style: format entire depot with nixpkgs-fmt

This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>

corp/website/default.nix

@@ -30,7 +30,8 @@ let
       </style>
     '';
   };
-in pkgs.runCommandNoCC "corp-website" {} ''
+in
+pkgs.runCommandNoCC "corp-website" { } ''
   mkdir $out
   cp ${index} $out/index.html
 ''

default.nix

@@ -4,14 +4,16 @@
 
 { nixpkgsBisectPath ? null
 , parentTargetMap ? null
-, nixpkgsConfig ? {}, ... }@args:
+, nixpkgsConfig ? { }
+, ...
+}@args:
 
 let
   inherit (builtins)
     filter
     ;
 
-  readTree = import ./nix/readTree {};
+  readTree = import ./nix/readTree { };
 
   # Disallow access to //users from other depot parts.
   usersFilter = readTree.restrictFolder {
@@ -70,7 +72,8 @@ let
   # Is this tree node eligible for build inclusion?
   eligible = node: (node ? outPath) && !(node.meta.ci.skip or false);
 
-in readTree.fix(self: (readDepot {
+in
+readTree.fix (self: (readDepot {
   depot = self;
 
   # Pass third_party as 'pkgs' (for compatibility with external
@@ -110,8 +113,10 @@ in readTree.fix(self: (readDepot {
   });
 
   # Derivation that gcroots all depot targets.
-  ci.gcroot = with self.third_party.nixpkgs; makeSetupHook {
-    name = "depot-gcroot";
-    deps = self.ci.targets;
-  } emptyFile;
+  ci.gcroot = with self.third_party.nixpkgs; makeSetupHook
+    {
+      name = "depot-gcroot";
+      deps = self.ci.targets;
+    }
+    emptyFile;
 })

fun/gemma/default.nix

@@ -33,7 +33,8 @@ let
       cp ${frontend} $out/index.html
     ''}/")
   '';
-in depot.nix.buildLisp.program {
+in
+depot.nix.buildLisp.program {
   name = "gemma";
 
   deps = with depot.third_party.lisp; [

fun/idual/default.nix

@@ -4,19 +4,20 @@ let
   inherit (pkgs) python3 python3Packages;
 
   opts = {
-    pname   = "idualctl";
+    pname = "idualctl";
     version = "0.1";
-    src     = ./.;
+    src = ./.;
 
     propagatedBuildInputs = [
       depot.third_party.python.broadlink
     ];
   };
   package = python3Packages.buildPythonPackage opts;
-  script  = python3Packages.buildPythonApplication opts;
-in depot.nix.readTree.drvTargets {
+  script = python3Packages.buildPythonApplication opts;
+in
+depot.nix.readTree.drvTargets {
   inherit script;
-  python  = python3.withPackages (_: [ package ]);
+  python = python3.withPackages (_: [ package ]);
   setAlarm = pkgs.writeShellScriptBin "set-alarm" ''
     echo "setting an alarm for ''${1}"
     ${pkgs.systemd}/bin/systemd-run --user --on-calendar="''${1} Europe/London" --unit=light-alarm.service

fun/owothia/default.nix

@@ -1,6 +1,7 @@
-{ depot ? (import ../../../. {})
+{ depot ? (import ../../../. { })
 , pkgs ? depot.third_party.nixpkgs
-, ... }:
+, ...
+}:
 
 let
   basePkg = pkgs.haskellPackages.callPackage ./pkg.nix { };

fun/owothia/pkg.nix

@@ -1,5 +1,15 @@
-{ mkDerivation, base, bytestring, chatter, containers, envy
-, irc-client, lens, lib, random, relude, text
+{ mkDerivation
+, base
+, bytestring
+, chatter
+, containers
+, envy
+, irc-client
+, lens
+, lib
+, random
+, relude
+, text
 }:
 mkDerivation {
   pname = "owothia";
@@ -8,8 +18,16 @@ mkDerivation {
   isLibrary = false;
   isExecutable = true;
   executableHaskellDepends = [
-    base bytestring chatter containers envy irc-client lens random
-    relude text
+    base
+    bytestring
+    chatter
+    containers
+    envy
+    irc-client
+    lens
+    random
+    relude
+    text
   ];
   license = "unknown";
   hydraPlatforms = lib.platforms.none;

fun/owothia/shell.nix

@@ -1,4 +1,4 @@
-{ pkgs ? (import ../../../. {}).third_party, ... }:
+{ pkgs ? (import ../../../. { }).third_party, ... }:
 
 let
   inherit (pkgs)

fun/uggc/default.nix

@@ -12,7 +12,8 @@ let
       gopkgs."github.com".pkg.browser.gopkg
     ];
   };
-in uggc.overrideAttrs(old: {
+in
+uggc.overrideAttrs (old: {
   buildCommand = old.buildCommand + ''
     install -D ${./uggc.desktop} $out/share/applications/uggc.desktop
     sed "s|@out@|$out|g" -i $out/share/applications/uggc.desktop

fun/🕰️/default.nix

@@ -38,6 +38,7 @@ let
       "ecl" # refuses to create non-ASCII paths even on POSIX…
     ];
   };
-in bin // {
+in
+bin // {
   inherit lib;
 }

nix/binify/default.nix

@@ -10,7 +10,7 @@
 # with `binify { exe = …; name = "hello" }`.
 { exe, name }:
 
-pkgs.runCommandLocal "${name}-bin" {} ''
+pkgs.runCommandLocal "${name}-bin" { } ''
   mkdir -p $out/bin
   ln -sT ${lib.escapeShellArg exe} $out/bin/${lib.escapeShellArg name}
 ''

nix/buildGo/default.nix

@@ -4,8 +4,9 @@
 # buildGo provides Nix functions to build Go packages in the style of Bazel's
 # rules_go.
 
-{ pkgs ? import <nixpkgs> {}
-, ... }:
+{ pkgs ? import <nixpkgs> { }
+, ...
+}:
 
 let
   inherit (builtins)
@@ -40,7 +41,7 @@ let
 
   xFlags = x_defs: spaceOut (map (k: "-X ${k}=${x_defs."${k}"}") (attrNames x_defs));
 
-  pathToName = p: replaceStrings ["/"] ["_"] (toString p);
+  pathToName = p: replaceStrings [ "/" ] [ "_" ] (toString p);
 
   # Add an `overrideGo` attribute to a function result that works
   # similar to `overrideAttrs`, but is used specifically for the
@@ -52,49 +53,50 @@ let
   # High-level build functions
 
   # Build a Go program out of the specified files and dependencies.
-  program = { name, srcs, deps ? [], x_defs ? {} }:
-  let uniqueDeps = allDeps (map (d: d.gopkg) deps);
-  in runCommand name {} ''
-    ${go}/bin/go tool compile -o ${name}.a -trimpath=$PWD -trimpath=${go} ${includeSources uniqueDeps} ${spaceOut srcs}
-    mkdir -p $out/bin
-    export GOROOT_FINAL=go
-    ${go}/bin/go tool link -o $out/bin/${name} -buildid nix ${xFlags x_defs} ${includeLibs uniqueDeps} ${name}.a
-  '';
+  program = { name, srcs, deps ? [ ], x_defs ? { } }:
+    let uniqueDeps = allDeps (map (d: d.gopkg) deps);
+    in runCommand name { } ''
+      ${go}/bin/go tool compile -o ${name}.a -trimpath=$PWD -trimpath=${go} ${includeSources uniqueDeps} ${spaceOut srcs}
+      mkdir -p $out/bin
+      export GOROOT_FINAL=go
+      ${go}/bin/go tool link -o $out/bin/${name} -buildid nix ${xFlags x_defs} ${includeLibs uniqueDeps} ${name}.a
+    '';
 
   # Build a Go library assembled out of the specified files.
   #
   # This outputs both the sources and compiled binary, as both are
   # needed when downstream packages depend on it.
-  package = { name, srcs, deps ? [], path ? name, sfiles ? [] }:
-  let
-    uniqueDeps = allDeps (map (d: d.gopkg) deps);
+  package = { name, srcs, deps ? [ ], path ? name, sfiles ? [ ] }:
+    let
+      uniqueDeps = allDeps (map (d: d.gopkg) deps);
 
-    # The build steps below need to be executed conditionally for Go
-    # assembly if the analyser detected any *.s files.
-    #
-    # This is required for several popular packages (e.g. x/sys).
-    ifAsm = do: lib.optionalString (sfiles != []) do;
-    asmBuild = ifAsm ''
-      ${go}/bin/go tool asm -trimpath $PWD -I $PWD -I ${go}/share/go/pkg/include -D GOOS_linux -D GOARCH_amd64 -gensymabis -o ./symabis ${spaceOut sfiles}
-      ${go}/bin/go tool asm -trimpath $PWD -I $PWD -I ${go}/share/go/pkg/include -D GOOS_linux -D GOARCH_amd64 -o ./asm.o ${spaceOut sfiles}
-    '';
-    asmLink = ifAsm "-symabis ./symabis -asmhdr $out/go_asm.h";
-    asmPack = ifAsm ''
-      ${go}/bin/go tool pack r $out/${path}.a ./asm.o
-    '';
+      # The build steps below need to be executed conditionally for Go
+      # assembly if the analyser detected any *.s files.
+      #
+      # This is required for several popular packages (e.g. x/sys).
+      ifAsm = do: lib.optionalString (sfiles != [ ]) do;
+      asmBuild = ifAsm ''
+        ${go}/bin/go tool asm -trimpath $PWD -I $PWD -I ${go}/share/go/pkg/include -D GOOS_linux -D GOARCH_amd64 -gensymabis -o ./symabis ${spaceOut sfiles}
+        ${go}/bin/go tool asm -trimpath $PWD -I $PWD -I ${go}/share/go/pkg/include -D GOOS_linux -D GOARCH_amd64 -o ./asm.o ${spaceOut sfiles}
+      '';
+      asmLink = ifAsm "-symabis ./symabis -asmhdr $out/go_asm.h";
+      asmPack = ifAsm ''
+        ${go}/bin/go tool pack r $out/${path}.a ./asm.o
+      '';
 
-    gopkg = (runCommand "golib-${name}" {} ''
-      mkdir -p $out/${path}
-      ${srcList path (map (s: "${s}") srcs)}
-      ${asmBuild}
-      ${go}/bin/go tool compile -pack ${asmLink} -o $out/${path}.a -trimpath=$PWD -trimpath=${go} -p ${path} ${includeSources uniqueDeps} ${spaceOut srcs}
-      ${asmPack}
-    '') // {
-      inherit gopkg;
-      goDeps = uniqueDeps;
-      goImportPath = path;
-    };
-  in gopkg;
+      gopkg = (runCommand "golib-${name}" { } ''
+        mkdir -p $out/${path}
+        ${srcList path (map (s: "${s}") srcs)}
+        ${asmBuild}
+        ${go}/bin/go tool compile -pack ${asmLink} -o $out/${path}.a -trimpath=$PWD -trimpath=${go} -p ${path} ${includeSources uniqueDeps} ${spaceOut srcs}
+        ${asmPack}
+      '') // {
+        inherit gopkg;
+        goDeps = uniqueDeps;
+        goImportPath = path;
+      };
+    in
+    gopkg;
 
   # Build a tree of Go libraries out of an external Go source
   # directory that follows the standard Go layout and was not built
@@ -110,10 +112,10 @@ let
   };
 
   # Build a Go library out of the specified protobuf definition.
-  proto = { name, proto, path ? name, goPackage ? name, extraDeps ? [] }: (makeOverridable package) {
+  proto = { name, proto, path ? name, goPackage ? name, extraDeps ? [ ] }: (makeOverridable package) {
     inherit name path;
     deps = [ protoLibs.goProto.proto.gopkg ] ++ extraDeps;
-    srcs = lib.singleton (runCommand "goproto-${name}.pb.go" {} ''
+    srcs = lib.singleton (runCommand "goproto-${name}.pb.go" { } ''
       cp ${proto} ${baseNameOf proto}
       ${protobuf}/bin/protoc --plugin=${protoLibs.goProto.protoc-gen-go.gopkg}/bin/protoc-gen-go \
         --go_out=plugins=grpc,import_path=${baseNameOf path}:. ${baseNameOf proto}
@@ -124,7 +126,8 @@ let
   # Build a Go library out of the specified gRPC definition.
   grpc = args: proto (args // { extraDeps = [ protoLibs.goGrpc.gopkg ]; });
 
-in {
+in
+{
   # Only the high-level builder functions are exposed, but made
   # overrideable.
   program = makeOverridable program;

nix/buildGo/example/default.nix

@@ -8,7 +8,7 @@
 # users a quick introduction to how to use buildGo.
 
 let
-  buildGo = import ../default.nix {};
+  buildGo = import ../default.nix { };
 
   # Example use of buildGo.package, which creates an importable Go
   # package from the specified source files.
@@ -29,7 +29,8 @@ let
   # Example use of buildGo.program, which builds an executable using
   # the specified name and dependencies (which in turn must have been
   # created via buildGo.package etc.)
-in buildGo.program {
+in
+buildGo.program {
   name = "example";
 
   srcs = [

nix/buildGo/external/default.nix

@@ -17,12 +17,12 @@ let
 
   inherit (pkgs) lib runCommand go jq ripgrep;
 
-  pathToName = p: replaceStrings ["/"] ["_"] (toString p);
+  pathToName = p: replaceStrings [ "/" ] [ "_" ] (toString p);
 
   # Collect all non-vendored dependencies from the Go standard library
   # into a file that can be used to filter them out when processing
   # dependencies.
-  stdlibPackages = runCommand "stdlib-pkgs.json" {} ''
+  stdlibPackages = runCommand "stdlib-pkgs.json" { } ''
     export HOME=$PWD
     export GOPATH=/dev/null
     ${go}/bin/go list std | \
@@ -45,20 +45,28 @@ let
   };
 
   mkset = path: value:
-    if path == [] then { gopkg = value; }
+    if path == [ ] then { gopkg = value; }
     else { "${head path}" = mkset (tail path) value; };
 
   last = l: elemAt l ((length l) - 1);
 
   toPackage = self: src: path: depMap: entry:
     let
-      localDeps = map (d: lib.attrByPath (d ++ [ "gopkg" ]) (
-        throw "missing local dependency '${lib.concatStringsSep "." d}' in '${path}'"
-      ) self) entry.localDeps;
+      localDeps = map
+        (d: lib.attrByPath (d ++ [ "gopkg" ])
+          (
+            throw "missing local dependency '${lib.concatStringsSep "." d}' in '${path}'"
+          )
+          self)
+        entry.localDeps;
 
-      foreignDeps = map (d: lib.attrByPath [ d.path ] (
-        throw "missing foreign dependency '${d.path}' in '${path}, imported at ${d.position}'"
-      ) depMap) entry.foreignDeps;
+      foreignDeps = map
+        (d: lib.attrByPath [ d.path ]
+          (
+            throw "missing foreign dependency '${d.path}' in '${path}, imported at ${d.position}'"
+          )
+          depMap)
+        entry.foreignDeps;
 
       args = {
         srcs = map (f: src + ("/" + f)) entry.files;
@@ -74,22 +82,28 @@ let
       binArgs = args // {
         name = (last ((lib.splitString "/" path) ++ entry.locator));
       };
-    in if entry.isCommand then (program binArgs) else (package libArgs);
+    in
+    if entry.isCommand then (program binArgs) else (package libArgs);
 
-in { src, path, deps ? [] }: let
+in
+{ src, path, deps ? [ ] }:
+let
   # Build a map of dependencies (from their import paths to their
   # derivation) so that they can be conditionally imported only in
   # sub-packages that require them.
-  depMap = listToAttrs (map (d: {
-    name = d.goImportPath;
-    value = d;
-  }) (map (d: d.gopkg) deps));
+  depMap = listToAttrs (map
+    (d: {
+      name = d.goImportPath;
+      value = d;
+    })
+    (map (d: d.gopkg) deps));
 
   name = pathToName path;
-  analysisOutput = runCommand "${name}-structure.json" {} ''
+  analysisOutput = runCommand "${name}-structure.json" { } ''
     ${analyser}/bin/analyser -path ${path} -source ${src} > $out
   '';
   analysis = fromJSON (readFile analysisOutput);
-in lib.fix(self: foldl' lib.recursiveUpdate {} (
+in
+lib.fix (self: foldl' lib.recursiveUpdate { } (
   map (entry: mkset entry.locator (toPackage self src path depMap entry)) analysis
 ))

nix/buildGo/proto.nix

@@ -8,7 +8,8 @@
 
 let
   inherit (builtins) fetchGit map;
-in rec {
+in
+rec {
   goProto = external {
     path = "github.com/golang/protobuf";
     src = fetchGit {

nix/buildLisp/default.nix

@@ -4,7 +4,7 @@
 # buildLisp is designed to enforce conventions and do away with the
 # free-for-all of existing Lisp build systems.
 
-{ pkgs ? import <nixpkgs> {}, ... }:
+{ pkgs ? import <nixpkgs> { }, ... }:
 
 let
   inherit (builtins) map elemAt match filter;
@@ -70,11 +70,16 @@ let
   implFilter = impl: xs:
     let
       isFilterSet = x: builtins.isAttrs x && !(lib.isDerivation x);
-    in builtins.map (
-      x: if isFilterSet x then x.${impl.name} or x.default else x
-    ) (builtins.filter (
-      x: !(isFilterSet x) || x ? ${impl.name} || x ? default
-    ) xs);
+    in
+    builtins.map
+      (
+        x: if isFilterSet x then x.${impl.name} or x.default else x
+      )
+      (builtins.filter
+        (
+          x: !(isFilterSet x) || x ? ${impl.name} || x ? default
+        )
+        xs);
 
   # Generates lisp code which instructs the given lisp implementation to load
   # all the given dependencies.
@@ -103,17 +108,21 @@ let
   # 'allDeps' flattens the list of dependencies (and their
   # dependencies) into one ordered list of unique deps which
   # all use the given implementation.
-  allDeps = impl: deps: let
-    # The override _should_ propagate itself recursively, as every derivation
-    # would only expose its actually used dependencies. Use implementation
-    # attribute created by withExtras if present, override in all other cases
-    # (mainly bundled).
-    deps' = builtins.map (dep: dep."${impl.name}" or (dep.overrideLisp (_: {
-      implementation = impl;
-    }))) deps;
-  in (lib.toposort dependsOn (lib.unique (
-    lib.flatten (deps' ++ (map (d: d.lispDeps) deps'))
-  ))).result;
+  allDeps = impl: deps:
+    let
+      # The override _should_ propagate itself recursively, as every derivation
+      # would only expose its actually used dependencies. Use implementation
+      # attribute created by withExtras if present, override in all other cases
+      # (mainly bundled).
+      deps' = builtins.map
+        (dep: dep."${impl.name}" or (dep.overrideLisp (_: {
+          implementation = impl;
+        })))
+        deps;
+    in
+    (lib.toposort dependsOn (lib.unique (
+      lib.flatten (deps' ++ (map (d: d.lispDeps) deps'))
+    ))).result;
 
   # 'allNative' extracts all native dependencies of a dependency list
   # to ensure that library load paths are set correctly during all
@@ -138,42 +147,49 @@ let
   withExtras = f: args:
     let
       drv = (makeOverridable f) args;
-    in lib.fix (self:
-      drv.overrideLisp (old:
-        let
-          implementation = old.implementation or defaultImplementation;
-          brokenOn = old.brokenOn or [];
-          targets = lib.subtractLists (brokenOn ++ [ implementation.name ])
-            (builtins.attrNames impls);
-        in {
-          passthru = (old.passthru or {}) // {
-            repl = implementation.lispWith [ self ];
+    in
+    lib.fix (self:
+      drv.overrideLisp
+        (old:
+          let
+            implementation = old.implementation or defaultImplementation;
+            brokenOn = old.brokenOn or [ ];
+            targets = lib.subtractLists (brokenOn ++ [ implementation.name ])
+              (builtins.attrNames impls);
+          in
+          {
+            passthru = (old.passthru or { }) // {
+              repl = implementation.lispWith [ self ];
 
-            # meta is done via passthru to minimize rebuilds caused by overriding
-            meta = (old.passthru.meta or {}) // {
-              inherit targets;
-            };
-          } // builtins.listToAttrs (builtins.map (impl: {
-            inherit (impl) name;
-            value = self.overrideLisp (_: {
-              implementation = impl;
-            });
-          }) (builtins.attrValues impls));
-        }) // {
-          overrideLisp = new: withExtras f (args // new args);
-        });
+              # meta is done via passthru to minimize rebuilds caused by overriding
+              meta = (old.passthru.meta or { }) // {
+                inherit targets;
+              };
+            } // builtins.listToAttrs (builtins.map
+              (impl: {
+                inherit (impl) name;
+                value = self.overrideLisp (_: {
+                  implementation = impl;
+                });
+              })
+              (builtins.attrValues impls));
+          }) // {
+        overrideLisp = new: withExtras f (args // new args);
+      });
 
   # 'testSuite' builds a Common Lisp test suite that loads all of srcs and deps,
   # and then executes expression to check its result
-  testSuite = { name, expression, srcs, deps ? [], native ? [], implementation }:
+  testSuite = { name, expression, srcs, deps ? [ ], native ? [ ], implementation }:
     let
       lispDeps = allDeps implementation (implFilter implementation deps);
       lispNativeDeps = allNative native lispDeps;
       filteredSrcs = implFilter implementation srcs;
-    in runCommandNoCC name {
-      LD_LIBRARY_PATH = lib.makeLibraryPath lispNativeDeps;
-      LANG = "C.UTF-8";
-    } ''
+    in
+    runCommandNoCC name
+      {
+        LD_LIBRARY_PATH = lib.makeLibraryPath lispNativeDeps;
+        LANG = "C.UTF-8";
+      } ''
       echo "Running test suite ${name}"
 
       ${implementation.runScript} ${
@@ -452,15 +468,16 @@ let
           } $@
         '';
 
-      bundled = name: runCommandNoCC "${name}-cllib" {
-        passthru = {
-          lispName = name;
-          lispNativeDeps = [];
-          lispDeps = [];
-          lispBinary = false;
-          repl = impls.ecl.lispWith [ (impls.ecl.bundled name) ];
-        };
-      } ''
+      bundled = name: runCommandNoCC "${name}-cllib"
+        {
+          passthru = {
+            lispName = name;
+            lispNativeDeps = [ ];
+            lispDeps = [ ];
+            lispBinary = false;
+            repl = impls.ecl.lispWith [ (impls.ecl.bundled name) ];
+          };
+        } ''
         mkdir -p "$out"
         ln -s "${ecl-static}/lib/ecl-${ecl-static.version}/${name}.${impls.ecl.faslExt}" -t "$out"
         ln -s "${ecl-static}/lib/ecl-${ecl-static.version}/lib${name}.a" "$out/${name}.a"
@@ -489,7 +506,8 @@ let
 
       # See https://ccl.clozure.com/docs/ccl.html#building-definitions
       faslExt =
-        /**/ if targetPlatform.isPowerPC && targetPlatform.is32bit then "pfsl"
+        /**/
+        if targetPlatform.isPowerPC && targetPlatform.is32bit then "pfsl"
         else if targetPlatform.isPowerPC && targetPlatform.is64bit then "p64fsl"
         else if targetPlatform.isx86_64 && targetPlatform.isLinux then "lx64fsl"
         else if targetPlatform.isx86_32 && targetPlatform.isLinux then "lx32fsl"
@@ -572,7 +590,7 @@ let
             lib.optionalString (deps != [])
               "--load ${writeText "load.lisp" (impls.ccl.genLoadLisp lispDeps)}"
           } "$@"
-      '';
+        '';
     };
   };
 
@@ -586,37 +604,42 @@ let
   library =
     { name
     , implementation ? defaultImplementation
-    , brokenOn ? [] # TODO(sterni): make this a warning
+    , brokenOn ? [ ] # TODO(sterni): make this a warning
     , srcs
-    , deps ? []
-    , native ? []
+    , deps ? [ ]
+    , native ? [ ]
     , tests ? null
-    , passthru ? {}
+    , passthru ? { }
     }:
     let
       filteredDeps = implFilter implementation deps;
       filteredSrcs = implFilter implementation srcs;
       lispNativeDeps = (allNative native filteredDeps);
       lispDeps = allDeps implementation filteredDeps;
-      testDrv = if ! isNull tests
-        then testSuite {
-          name = tests.name or "${name}-test";
-          srcs = filteredSrcs ++ (tests.srcs or []);
-          deps = filteredDeps ++ (tests.deps or []);
-          expression = tests.expression;
-          inherit implementation;
-        }
+      testDrv =
+        if ! isNull tests
+        then
+          testSuite
+            {
+              name = tests.name or "${name}-test";
+              srcs = filteredSrcs ++ (tests.srcs or [ ]);
+              deps = filteredDeps ++ (tests.deps or [ ]);
+              expression = tests.expression;
+              inherit implementation;
+            }
         else null;
-    in lib.fix (self: runCommandNoCC "${name}-cllib" {
-      LD_LIBRARY_PATH = lib.makeLibraryPath lispNativeDeps;
-      LANG = "C.UTF-8";
-      passthru = passthru // {
-        inherit lispNativeDeps lispDeps;
-        lispName = name;
-        lispBinary = false;
-        tests = testDrv;
-      };
-    } ''
+    in
+    lib.fix (self: runCommandNoCC "${name}-cllib"
+      {
+        LD_LIBRARY_PATH = lib.makeLibraryPath lispNativeDeps;
+        LANG = "C.UTF-8";
+        passthru = passthru // {
+          inherit lispNativeDeps lispDeps;
+          lispName = name;
+          lispBinary = false;
+          tests = testDrv;
+        };
+      } ''
       ${if ! isNull testDrv
         then "echo 'Test ${testDrv} succeeded'"
         else "echo 'No tests run'"}
@@ -637,13 +660,13 @@ let
   program =
     { name
     , implementation ? defaultImplementation
-    , brokenOn ? [] # TODO(sterni): make this a warning
+    , brokenOn ? [ ] # TODO(sterni): make this a warning
     , main ? "${name}:main"
     , srcs
-    , deps ? []
-    , native ? []
+    , deps ? [ ]
+    , native ? [ ]
     , tests ? null
-    , passthru ? {}
+    , passthru ? { }
     }:
     let
       filteredSrcs = implFilter implementation srcs;
@@ -656,45 +679,53 @@ let
         deps = lispDeps;
         srcs = filteredSrcs;
       };
-      testDrv = if ! isNull tests
-        then testSuite {
-          name = tests.name or "${name}-test";
-          srcs =
-            ( # testSuite does run implFilter as well
-              filteredSrcs ++ (tests.srcs or []));
-          deps = filteredDeps ++ (tests.deps or []);
-          expression = tests.expression;
-          inherit implementation;
-        }
+      testDrv =
+        if ! isNull tests
+        then
+          testSuite
+            {
+              name = tests.name or "${name}-test";
+              srcs =
+                (
+                  # testSuite does run implFilter as well
+                  filteredSrcs ++ (tests.srcs or [ ])
+                );
+              deps = filteredDeps ++ (tests.deps or [ ]);
+              expression = tests.expression;
+              inherit implementation;
+            }
         else null;
-    in lib.fix (self: runCommandNoCC "${name}" {
-      nativeBuildInputs = [ makeWrapper ];
-      LD_LIBRARY_PATH = libPath;
-      LANG = "C.UTF-8";
-      passthru = passthru // {
-        lispName = name;
-        lispDeps = [ selfLib ];
-        lispNativeDeps = native;
-        lispBinary = true;
-        tests = testDrv;
-      };
-    } (''
-      ${if ! isNull testDrv
-        then "echo 'Test ${testDrv} succeeded'"
-        else ""}
-      mkdir -p $out/bin
-
-      ${implementation.runScript} ${
-        implementation.genDumpLisp {
-          inherit name main;
-          deps = ([ selfLib ] ++ lispDeps);
-        }
+    in
+    lib.fix (self: runCommandNoCC "${name}"
+      {
+        nativeBuildInputs = [ makeWrapper ];
+        LD_LIBRARY_PATH = libPath;
+        LANG = "C.UTF-8";
+        passthru = passthru // {
+          lispName = name;
+          lispDeps = [ selfLib ];
+          lispNativeDeps = native;
+          lispBinary = true;
+          tests = testDrv;
+        };
       }
-    '' + lib.optionalString implementation.wrapProgram ''
-      wrapProgram $out/bin/${name} \
-        --prefix LD_LIBRARY_PATH : "${libPath}" \
-        --add-flags "\$NIX_BUILDLISP_LISP_ARGS --"
-    ''));
+      (''
+        ${if ! isNull testDrv
+          then "echo 'Test ${testDrv} succeeded'"
+          else ""}
+        mkdir -p $out/bin
+
+        ${implementation.runScript} ${
+          implementation.genDumpLisp {
+            inherit name main;
+            deps = ([ selfLib ] ++ lispDeps);
+          }
+        }
+      '' + lib.optionalString implementation.wrapProgram ''
+        wrapProgram $out/bin/${name} \
+          --prefix LD_LIBRARY_PATH : "${libPath}" \
+          --add-flags "\$NIX_BUILDLISP_LISP_ARGS --"
+      ''));
 
   # 'bundled' creates a "library" which makes a built-in package available,
   # such as any of SBCL's sb-* packages or ASDF. By default this is done
@@ -714,11 +745,13 @@ let
         }:
         implementation.bundled or (defaultBundled implementation) name;
 
-    in (makeOverridable bundled') {
+    in
+    (makeOverridable bundled') {
       inherit name;
     };
 
-in {
+in
+{
   library = withExtras library;
   program = withExtras program;
   inherit bundled;

nix/buildLisp/example/default.nix

@@ -14,15 +14,16 @@ let
     ];
   };
 
-# Example Lisp program.
-#
-# This builds & writes an executable for a program using the library
-# above to disk.
-#
-# By default, buildLisp.program expects the entry point to be
-# `$name:main`. This can be overridden by configuring the `main`
-# attribute.
-in buildLisp.program {
+  # Example Lisp program.
+  #
+  # This builds & writes an executable for a program using the library
+  # above to disk.
+  #
+  # By default, buildLisp.program expects the entry point to be
+  # `$name:main`. This can be overridden by configuring the `main`
+  # attribute.
+in
+buildLisp.program {
   name = "example";
   deps = [ libExample ];
 

nix/buildManPages/default.nix

@@ -13,9 +13,9 @@ let
     ;
 
   bins = getBins mandoc [ "mandoc" ]
-      // getBins gzip   [ "gzip" ]
-      // getBins coreutils [ "mkdir" "ln" "cp" ]
-      ;
+    // getBins gzip [ "gzip" ]
+    // getBins coreutils [ "mkdir" "ln" "cp" ]
+  ;
 
   defaultGzip = true;
 
@@ -35,41 +35,68 @@ let
     }:
     { content
     , ...
-    }@page: let
+    }@page:
+    let
       source = builtins.toFile (basename false page) content;
-    in runExecline (basename gzip page) {} ([
-      (if requireLint then "if" else "foreground") [
-        bins.mandoc "-mdoc" "-T" "lint" source
+    in
+    runExecline (basename gzip page) { } ([
+      (if requireLint then "if" else "foreground")
+      [
+        bins.mandoc
+        "-mdoc"
+        "-T"
+        "lint"
+        source
       ]
-      "importas" "out" "out"
+      "importas"
+      "out"
+      "out"
     ] ++ (if gzip then [
-      "redirfd" "-w" "1" "$out"
-      bins.gzip "-c" source
+      "redirfd"
+      "-w"
+      "1"
+      "$out"
+      bins.gzip
+      "-c"
+      source
     ] else [
-      bins.cp "--reflink=auto" source "$out"
+      bins.cp
+      "--reflink=auto"
+      source
+      "$out"
     ]));
 
   buildManPages =
     name:
-    { derivationArgs ? {}
+    { derivationArgs ? { }
     , gzip ? defaultGzip
     , ...
     }@args:
     pages:
-    runExecline "${name}-man-pages" {
-      inherit derivationArgs;
-    } ([
-      "importas" "out" "out"
-    ] ++ lib.concatMap ({ name, section, content }@page: [
-      "if" [ bins.mkdir "-p" (manDir page) ]
-      "if" [
-        bins.ln "-s"
-        (buildManPage args page)
-        (target gzip page)
-      ]
-    ]) pages);
+    runExecline "${name}-man-pages"
+      {
+        inherit derivationArgs;
+      }
+      ([
+        "importas"
+        "out"
+        "out"
+      ] ++ lib.concatMap
+        ({ name, section, content }@page: [
+          "if"
+          [ bins.mkdir "-p" (manDir page) ]
+          "if"
+          [
+            bins.ln
+            "-s"
+            (buildManPage args page)
+            (target gzip page)
+          ]
+        ])
+        pages);
 
-in {
+in
+{
   __functor = _: buildManPages;
 
   single = buildManPage;

nix/buildkite/default.nix

@@ -29,7 +29,8 @@ let
     unsafeDiscardStringContext;
 
   inherit (pkgs) lib runCommandNoCC writeText;
-in rec {
+in
+rec {
   # Creates a Nix expression that yields the target at the specified
   # location in the repository.
   #
@@ -42,14 +43,15 @@ in rec {
       descend = expr: attr: "builtins.getAttr \"${attr}\" (${expr})";
       targetExpr = foldl' descend "import ./. {}" target.__readTree;
       subtargetExpr = descend targetExpr target.__subtarget;
-    in if target ? __subtarget then subtargetExpr else targetExpr;
+    in
+    if target ? __subtarget then subtargetExpr else targetExpr;
 
   # Create a pipeline label from the target's tree location.
   mkLabel = target:
     let label = concatStringsSep "/" target.__readTree;
     in if target ? __subtarget
-      then "${label}:${target.__subtarget}"
-      else label;
+    then "${label}:${target.__subtarget}"
+    else label;
 
   # Determine whether to skip a target if it has not diverged from the
   # HEAD branch.
@@ -74,33 +76,36 @@ in rec {
 
   # Create a pipeline step from a single target.
   mkStep = headBranch: parentTargetMap: target:
-  let
-    label = mkLabel target;
-    drvPath = unsafeDiscardStringContext target.drvPath;
-    shouldSkip' = shouldSkip parentTargetMap;
-  in {
-    label = ":nix: " + label;
-    key = hashString "sha1" label;
-    skip = shouldSkip' label drvPath;
-    command = mkBuildCommand target drvPath;
-    env.READTREE_TARGET = label;
+    let
+      label = mkLabel target;
+      drvPath = unsafeDiscardStringContext target.drvPath;
+      shouldSkip' = shouldSkip parentTargetMap;
+    in
+    {
+      label = ":nix: " + label;
+      key = hashString "sha1" label;
+      skip = shouldSkip' label drvPath;
+      command = mkBuildCommand target drvPath;
+      env.READTREE_TARGET = label;
 
-    # Add a dependency on the initial static pipeline step which
-    # always runs. This allows build steps uploaded in batches to
-    # start running before all batches have been uploaded.
-    depends_on = ":init:";
-  };
+      # Add a dependency on the initial static pipeline step which
+      # always runs. This allows build steps uploaded in batches to
+      # start running before all batches have been uploaded.
+      depends_on = ":init:";
+    };
 
   # Helper function to inelegantly divide a list into chunks of at
   # most n elements.
   #
   # This works by assigning each element a chunk ID based on its
   # index, and then grouping all elements by their chunk ID.
-  chunksOf = n: list: let
-    chunkId = idx: toString (idx / n + 1);
-    assigned = lib.imap1 (idx: value: { inherit value ; chunk = chunkId idx; }) list;
-    unchunk = mapAttrs (_: elements: map (e: e.value) elements);
-  in unchunk (lib.groupBy (e: e.chunk) assigned);
+  chunksOf = n: list:
+    let
+      chunkId = idx: toString (idx / n + 1);
+      assigned = lib.imap1 (idx: value: { inherit value; chunk = chunkId idx; }) list;
+      unchunk = mapAttrs (_: elements: map (e: e.value) elements);
+    in
+    unchunk (lib.groupBy (e: e.chunk) assigned);
 
   # Define a build pipeline chunk as a JSON file, using the pipeline
   # format documented on
@@ -120,104 +125,112 @@ in rec {
     attrValues (mapAttrs (makePipelineChunk name) (chunksOf 192 steps));
 
   # Create a pipeline structure for the given targets.
-  mkPipeline = {
-    # HEAD branch of the repository on which release steps, GC
-    # anchoring and other "mainline only" steps should run.
-    headBranch,
+  mkPipeline =
+    {
+      # HEAD branch of the repository on which release steps, GC
+      # anchoring and other "mainline only" steps should run.
+      headBranch
+    , # List of derivations as read by readTree (in most cases just the
+      # output of readTree.gather) that should be built in Buildkite.
+      #
+      # These are scheduled as the first build steps and run as fast as
+      # possible, in order, without any concurrency restrictions.
+      drvTargets
+    , # Derivation map of a parent commit. Only targets which no longer
+      # correspond to the content of this map will be built. Passing an
+      # empty map will always build all targets.
+      parentTargetMap ? { }
+    , # A list of plain Buildkite step structures to run alongside the
+      # build for all drvTargets, but before proceeding with any
+      # post-build actions such as status reporting.
+      #
+      # Can be used for things like code formatting checks.
+      additionalSteps ? [ ]
+    , # A list of plain Buildkite step structures to run after all
+      # previous steps succeeded.
+      #
+      # Can be used for status reporting steps and the like.
+      postBuildSteps ? [ ]
+    }:
+    let
+      # Convert a target into all of its build and post-build steps,
+      # treated separately as they need to be in different chunks.
+      targetToSteps = target:
+        let
+          step = mkStep headBranch parentTargetMap target;
 
-    # List of derivations as read by readTree (in most cases just the
-    # output of readTree.gather) that should be built in Buildkite.
-    #
-    # These are scheduled as the first build steps and run as fast as
-    # possible, in order, without any concurrency restrictions.
-    drvTargets,
+          # Split build/post-build steps
+          splitExtraSteps = partition ({ postStep, ... }: postStep)
+            (attrValues (mapAttrs
+              (name: value: {
+                inherit name value;
+                postStep = (value ? prompt) || (value.postBuild or false);
+              })
+              (target.meta.ci.extraSteps or { })));
 
-    # Derivation map of a parent commit. Only targets which no longer
-    # correspond to the content of this map will be built. Passing an
-    # empty map will always build all targets.
-    parentTargetMap ? {},
+          mkExtraStep' = { name, value, ... }: mkExtraStep step name value;
+          extraBuildSteps = map mkExtraStep' splitExtraSteps.wrong; # 'wrong' -> no prompt
+          extraPostSteps = map mkExtraStep' splitExtraSteps.right; # 'right' -> has prompt
+        in
+        {
+          buildSteps = [ step ] ++ extraBuildSteps;
+          postSteps = extraPostSteps;
+        };
 
-    # A list of plain Buildkite step structures to run alongside the
-    # build for all drvTargets, but before proceeding with any
-    # post-build actions such as status reporting.
-    #
-    # Can be used for things like code formatting checks.
-    additionalSteps ? [],
+      # Combine all target steps into separate build and post-build step lists.
+      steps = foldl'
+        (acc: t: {
+          buildSteps = acc.buildSteps ++ t.buildSteps;
+          postSteps = acc.postSteps ++ t.postSteps;
+        })
+        { buildSteps = [ ]; postSteps = [ ]; }
+        (map targetToSteps drvTargets);
 
-    # A list of plain Buildkite step structures to run after all
-    # previous steps succeeded.
-    #
-    # Can be used for status reporting steps and the like.
-    postBuildSteps ? []
-  }: let
-    # Convert a target into all of its build and post-build steps,
-    # treated separately as they need to be in different chunks.
-    targetToSteps = target: let
-      step = mkStep headBranch parentTargetMap target;
+      buildSteps =
+        # Add build steps for each derivation target and their extra
+        # steps.
+        steps.buildSteps
 
-      # Split build/post-build steps
-      splitExtraSteps = partition ({ postStep, ... }: postStep)
-       (attrValues (mapAttrs (name: value: {
-         inherit name value;
-         postStep = (value ? prompt) || (value.postBuild or false);
-        }) (target.meta.ci.extraSteps or {})));
+        # Add additional steps (if set).
+        ++ additionalSteps;
 
-      mkExtraStep' = { name, value, ... }: mkExtraStep step name value;
-      extraBuildSteps = map mkExtraStep' splitExtraSteps.wrong; # 'wrong' -> no prompt
-      extraPostSteps = map mkExtraStep' splitExtraSteps.right; # 'right' -> has prompt
-    in {
-      buildSteps = [ step ] ++ extraBuildSteps;
-      postSteps = extraPostSteps;
-    };
+      postSteps =
+        # Add post-build steps for each derivation target.
+        steps.postSteps
 
-    # Combine all target steps into separate build and post-build step lists.
-    steps = foldl' (acc: t: {
-      buildSteps = acc.buildSteps ++ t.buildSteps;
-      postSteps = acc.postSteps ++ t.postSteps;
-    }) { buildSteps = []; postSteps = []; } (map targetToSteps drvTargets);
+        # Add any globally defined post-build steps.
+        ++ postBuildSteps;
 
-    buildSteps =
-      # Add build steps for each derivation target and their extra
-      # steps.
-      steps.buildSteps
-
-      # Add additional steps (if set).
-      ++ additionalSteps;
-
-    postSteps =
-      # Add post-build steps for each derivation target.
-      steps.postSteps
-
-      # Add any globally defined post-build steps.
-      ++ postBuildSteps;
-
-    buildChunks = pipelineChunks "build" buildSteps;
-    postBuildChunks = pipelineChunks "post" postSteps;
-    chunks = buildChunks ++ postBuildChunks;
-  in runCommandNoCC "buildkite-pipeline" {} ''
-    mkdir $out
-    echo "Generated ${toString (length chunks)} pipeline chunks"
-    ${
-      lib.concatMapStringsSep "\n"
-        (chunk: "cp ${chunk.path} $out/${chunk.filename}") chunks
-    }
-  '';
+      buildChunks = pipelineChunks "build" buildSteps;
+      postBuildChunks = pipelineChunks "post" postSteps;
+      chunks = buildChunks ++ postBuildChunks;
+    in
+    runCommandNoCC "buildkite-pipeline" { } ''
+      mkdir $out
+      echo "Generated ${toString (length chunks)} pipeline chunks"
+      ${
+        lib.concatMapStringsSep "\n"
+          (chunk: "cp ${chunk.path} $out/${chunk.filename}") chunks
+      }
+    '';
 
   # Create a drvmap structure for the given targets, containing the
   # mapping of all target paths to their derivations. The mapping can
   # be persisted for future use.
-  mkDrvmap = drvTargets: writeText "drvmap.json" (toJSON (listToAttrs (map (target: {
-    name = mkLabel target;
-    value = {
-      drvPath = unsafeDiscardStringContext target.drvPath;
+  mkDrvmap = drvTargets: writeText "drvmap.json" (toJSON (listToAttrs (map
+    (target: {
+      name = mkLabel target;
+      value = {
+        drvPath = unsafeDiscardStringContext target.drvPath;
 
-      # Include the attrPath in the output to reconstruct the drv
-      # without parsing the human-readable label.
-      attrPath = target.__readTree ++ lib.optionals (target ? __subtarget) [
-        target.__subtarget
-      ];
-    };
-  }) drvTargets)));
+        # Include the attrPath in the output to reconstruct the drv
+        # without parsing the human-readable label.
+        attrPath = target.__readTree ++ lib.optionals (target ? __subtarget) [
+          target.__subtarget
+        ];
+      };
+    })
+    drvTargets)));
 
   # Implementation of extra step logic.
   #
@@ -278,34 +291,37 @@ in rec {
 
   # Create the Buildkite configuration for an extra step, optionally
   # wrapping it in a gate group.
-  mkExtraStep = parent: key: {
-    command,
-    label ? key,
-    prompt ? false,
-    needsOutput ? false,
-    branches ? null,
-    alwaysRun ? false,
-    postBuild ? false
-  }@cfg: let
-    parentLabel = parent.env.READTREE_TARGET;
+  mkExtraStep = parent: key: { command
+                             , label ? key
+                             , prompt ? false
+                             , needsOutput ? false
+                             , branches ? null
+                             , alwaysRun ? false
+                             , postBuild ? false
+                             }@cfg:
+    let
+      parentLabel = parent.env.READTREE_TARGET;
 
-    step = {
-      label = ":gear: ${label} (from ${parentLabel})";
-      skip = if alwaysRun then false else parent.skip or false;
-      depends_on = lib.optional (!alwaysRun && !needsOutput) parent.key;
-      branches = if branches != null then lib.concatStringsSep " " branches else null;
+      step = {
+        label = ":gear: ${label} (from ${parentLabel})";
+        skip = if alwaysRun then false else parent.skip or false;
+        depends_on = lib.optional (!alwaysRun && !needsOutput) parent.key;
+        branches = if branches != null then lib.concatStringsSep " " branches else null;
 
-      command = pkgs.writeShellScript "${key}-script" ''
-        set -ueo pipefail
-        ${lib.optionalString needsOutput "echo '~~~ Preparing build output of ${parentLabel}'"}
-        ${lib.optionalString needsOutput parent.command}
-        echo '+++ Running extra step command'
-        exec ${command}
-      '';
-    };
-  in if (isString prompt)
-    then mkGatedStep {
-      inherit step label parent prompt;
-    }
+        command = pkgs.writeShellScript "${key}-script" ''
+          set -ueo pipefail
+          ${lib.optionalString needsOutput "echo '~~~ Preparing build output of ${parentLabel}'"}
+          ${lib.optionalString needsOutput parent.command}
+          echo '+++ Running extra step command'
+          exec ${command}
+        '';
+      };
+    in
+    if (isString prompt)
+    then
+      mkGatedStep
+        {
+          inherit step label parent prompt;
+        }
     else step;
 }

nix/drvSeqL/default.nix

@@ -17,9 +17,10 @@ let
   drvSeqL = defun [ (list drv) drv drv ]
     (drvDeps: drvOut:
       let
-        drvOutOutputs = drvOut.outputs or ["out"];
+        drvOutOutputs = drvOut.outputs or [ "out" ];
       in
-        pkgs.runCommandLocal drvOut.name {
+      pkgs.runCommandLocal drvOut.name
+        {
           # we inherit all attributes in order to replicate
           # the original derivation as much as possible
           outputs = drvOutOutputs;
@@ -29,15 +30,18 @@ let
         }
         # the outputs of the original derivation are replicated
         # by creating a symlink to the old output path
-        (lib.concatMapStrings (output: ''
-          target=${lib.escapeShellArg drvOut.${output}}
-          # if the target is already a symlink, follow it until it’s not;
-          # this is done to prevent too many dereferences
-          target=$(readlink -e "$target")
-          # link to the output
-          ln -s "$target" "${"$"}${output}"
-        '') drvOutOutputs));
+        (lib.concatMapStrings
+          (output: ''
+            target=${lib.escapeShellArg drvOut.${output}}
+            # if the target is already a symlink, follow it until it’s not;
+            # this is done to prevent too many dereferences
+            target=$(readlink -e "$target")
+            # link to the output
+            ln -s "$target" "${"$"}${output}"
+          '')
+          drvOutOutputs));
 
-in {
+in
+{
   __functor = _: drvSeqL;
 }

nix/emptyDerivation/default.nix

@@ -14,7 +14,8 @@ let
     inherit (depot.nix.runTestsuite) runTestsuite it assertEq;
   };
 
-in {
+in
+{
   __functor = _: emptyDerivation;
   inherit tests;
 }

nix/emptyDerivation/emptyDerivation.nix

@@ -11,7 +11,7 @@
 
 let
   bins = getBins pkgs.s6-portable-utils [ "s6-touch" ]
-      // getBins pkgs.execline [ "importas" "exec" ];
+    // getBins pkgs.execline [ "importas" "exec" ];
 
   emptiness = {
     name = "empty-derivation";
@@ -21,12 +21,16 @@ let
 
     builder = bins.exec;
     args = [
-      bins.importas "out" "out"
-      bins.s6-touch "$out"
+      bins.importas
+      "out"
+      "out"
+      bins.s6-touch
+      "$out"
     ];
   };
 
-in (derivation emptiness) // {
+in
+(derivation emptiness) // {
   # This allows us to call the empty derivation
   # like a function and override fields/add new fields.
   __functor = _: overrides:

nix/emptyDerivation/tests.nix

@@ -10,10 +10,17 @@ let
   ];
 
   fooOut = emptyDerivation {
-    builder = writeExecline "foo-builder" {} [
-      "importas" "out" "out"
-      "redirfd" "-w" "1" "$out"
-      bins.s6-echo "-n" "foo"
+    builder = writeExecline "foo-builder" { } [
+      "importas"
+      "out"
+      "out"
+      "redirfd"
+      "-w"
+      "1"
+      "$out"
+      bins.s6-echo
+      "-n"
+      "foo"
     ];
   };
 
@@ -26,7 +33,8 @@ let
       "bar")
   ];
 
-in runTestsuite "emptyDerivation" [
+in
+runTestsuite "emptyDerivation" [
   empty
   overrideBuilder
 ]

nix/escapeExecline/default.nix

@@ -16,14 +16,17 @@ let
   #   escapeExecline [ "if" [ "somecommand" ] "true" ]
   #   == ''"if" { "somecommand" } "true"''
   escapeExecline = execlineList: lib.concatStringsSep " "
-    (let
-      go = arg:
-        if      builtins.isString arg then [(escapeExeclineArg arg)]
-        else if builtins.isPath arg then [(escapeExeclineArg "${arg}")]
-        else if lib.isDerivation arg then [(escapeExeclineArg arg)]
-        else if builtins.isList arg then [ "{" ] ++ builtins.concatMap go arg ++ [ "}" ]
-        else abort "escapeExecline can only hande nested lists of strings, was ${lib.generators.toPretty {} arg}";
-     in builtins.concatMap go execlineList);
+    (
+      let
+        go = arg:
+          if builtins.isString arg then [ (escapeExeclineArg arg) ]
+          else if builtins.isPath arg then [ (escapeExeclineArg "${arg}") ]
+          else if lib.isDerivation arg then [ (escapeExeclineArg arg) ]
+          else if builtins.isList arg then [ "{" ] ++ builtins.concatMap go arg ++ [ "}" ]
+          else abort "escapeExecline can only hande nested lists of strings, was ${lib.generators.toPretty {} arg}";
+      in
+      builtins.concatMap go execlineList
+    );
 
 in
 escapeExecline

nix/getBins/default.nix

@@ -26,14 +26,16 @@
 
 let
   getBins = drv: xs:
-    let f = x:
-      # TODO(Profpatsch): typecheck
-      let x' = if builtins.isString x then { use = x; as = x; } else x;
-      in {
-        name = x'.as;
-        value = "${lib.getBin drv}/bin/${x'.use}";
-      };
-    in builtins.listToAttrs (builtins.map f xs);
+    let
+      f = x:
+        # TODO(Profpatsch): typecheck
+        let x' = if builtins.isString x then { use = x; as = x; } else x;
+        in {
+          name = x'.as;
+          value = "${lib.getBin drv}/bin/${x'.use}";
+        };
+    in
+    builtins.listToAttrs (builtins.map f xs);
 
 
   tests = import ./tests.nix {
@@ -42,7 +44,8 @@ let
     inherit (depot.nix.runTestsuite) assertEq it runTestsuite;
   };
 
-in {
+in
+{
   __functor = _: getBins;
   inherit tests;
 }

nix/getBins/tests.nix

@@ -5,11 +5,11 @@ let
   drv2 = writeScriptBin "goodbye" "tschau";
 
   bins = getBins drv [
-            "hello"
-            { use = "hello"; as = "also-hello"; }
-          ]
-      // getBins drv2 [ "goodbye" ]
-      ;
+    "hello"
+    { use = "hello"; as = "also-hello"; }
+  ]
+  // getBins drv2 [ "goodbye" ]
+  ;
 
   simple = it "path is equal to the executable name" [
     (assertEq "path"
@@ -33,8 +33,8 @@ let
   ];
 
 in
-  runTestsuite "getBins" [
-    simple
-    useAs
-    secondDrv
-  ]
+runTestsuite "getBins" [
+  simple
+  useAs
+  secondDrv
+]

nix/mergePatch/default.nix

@@ -8,31 +8,31 @@
   For example, given the following original document:
 
   {
-    a = "b";
-    c = {
+  a = "b";
+  c = {
       d = "e";
       f = "g";
-    }
+  }
   }
 
   Changing the value of `a` and removing `f` can be achieved by merging the patch
 
   {
-    a = "z";
-    c.f = null;
+  a = "z";
+  c.f = null;
   }
 
   which results in
 
   {
-    a = "z";
-    c = {
+  a = "z";
+  c = {
       d = "e";
-    };
+  };
   }
 
   Pseudo-code:
-    define MergePatch(Target, Patch):
+  define MergePatch(Target, Patch):
       if Patch is an Object:
         if Target is not an Object:
           Target = {} # Ignore the contents and set it to an empty Object
@@ -55,19 +55,19 @@ let
   mergePatch = target: patch:
     if lib.isAttrs patch
     then
-      let target' = if lib.isAttrs target then target else {};
+      let target' = if lib.isAttrs target then target else { };
       in foldlAttrs
-          (acc: patchEl:
-            if patchEl.value == null
-            then removeAttrs acc [ patchEl.name ]
-            else acc // {
-              ${patchEl.name} =
-                mergePatch
-                  (acc.${patchEl.name} or "unnused")
-                  patchEl.value;
-            })
-          target'
-          patch
+        (acc: patchEl:
+          if patchEl.value == null
+          then removeAttrs acc [ patchEl.name ]
+          else acc // {
+            ${patchEl.name} =
+              mergePatch
+                (acc.${patchEl.name} or "unnused")
+                patchEl.value;
+          })
+        target'
+        patch
     else patch;
 
   inherit (depot.nix.runTestsuite)
@@ -93,46 +93,49 @@ let
       };
       emptyPatch = it "the empty patch returns the original target" [
         (assertEq "id"
-          (mergePatch testTarget {})
+          (mergePatch testTarget { })
           testTarget)
       ];
       nonAttrs = it "one side is a non-attrset value" [
         (assertEq "target is a value means the value is replaced by the patch"
           (mergePatch 42 testPatch)
-          (mergePatch {} testPatch))
+          (mergePatch { } testPatch))
         (assertEq "patch is a value means it replaces target alltogether"
           (mergePatch testTarget 42)
           42)
       ];
       rfcExamples = it "the examples from the RFC" [
         (assertEq "a subset is deleted and overwritten"
-          (mergePatch testTarget testPatch) {
+          (mergePatch testTarget testPatch)
+          {
             a = "z";
             c = {
               d = "e";
             };
           })
         (assertEq "a more complicated example from the example section"
-          (mergePatch {
-            title = "Goodbye!";
+          (mergePatch
+            {
+              title = "Goodbye!";
               author = {
                 givenName = "John";
                 familyName = "Doe";
               };
-            tags = [ "example" "sample" ];
-            content = "This will be unchanged";
-          } {
-            title = "Hello!";
-            phoneNumber = "+01-123-456-7890";
-            author.familyName = null;
-            tags = [ "example" ];
-          })
+              tags = [ "example" "sample" ];
+              content = "This will be unchanged";
+            }
+            {
+              title = "Hello!";
+              phoneNumber = "+01-123-456-7890";
+              author.familyName = null;
+              tags = [ "example" ];
+            })
           {
             title = "Hello!";
             phoneNumber = "+01-123-456-7890";
-              author = {
-                givenName = "John";
-              };
+            author = {
+              givenName = "John";
+            };
             tags = [ "example" ];
             content = "This will be unchanged";
           })
@@ -144,42 +147,45 @@ let
             (assertEq "test number ${toString index}"
               (mergePatch target patch)
               res);
-          in it "the test suite from the RFC" [
-              (r 1  {"a" = "b";}       {"a" = "c";}       {"a" = "c";})
-              (r 2  {"a" = "b";}       {"b" = "c";}       {"a" = "b"; "b" = "c";})
-              (r 3  {"a" = "b";}       {"a" = null;}      {})
-              (r 4  {"a" = "b"; "b" = "c";}
-                    {"a" = null;}
-                    {"b" = "c";})
-              (r 5  {"a" = ["b"];}     {"a" = "c";}       {"a" = "c";})
-              (r 6  {"a" = "c";}       {"a" = ["b"];}     {"a" = ["b"];})
-              (r 7  {"a" = {"b" = "c";}; }
-                    {"a" = {"b" = "d"; "c" = null;};}
-                    {"a" = {"b" = "d";};})
-              (r 8  {"a" = [{"b" = "c";}];}
-                    {"a" = [1];}
-                    {"a" = [1];})
-              (r 9  ["a" "b"]          ["c" "d"]       ["c" "d"])
-              (r 10 {"a" = "b";}       ["c"]           ["c"])
-              (r 11 {"a" = "foo";}     null            null)
-              (r 12 {"a" = "foo";}     "bar"           "bar")
-              (r 13 {"e" = null;}      {"a" = 1;}      {"e" = null; "a" = 1;})
-              (r 14 [1 2]
-                    {"a" = "b"; "c" = null;}
-                    {"a" = "b";})
-              (r 15 {}
-                {"a" = {"bb" = {"ccc" = null;};};}
-                {"a" = {"bb" = {};};})
-            ];
+        in
+        it "the test suite from the RFC" [
+          (r 1 { "a" = "b"; } { "a" = "c"; } { "a" = "c"; })
+          (r 2 { "a" = "b"; } { "b" = "c"; } { "a" = "b"; "b" = "c"; })
+          (r 3 { "a" = "b"; } { "a" = null; } { })
+          (r 4 { "a" = "b"; "b" = "c"; }
+            { "a" = null; }
+            { "b" = "c"; })
+          (r 5 { "a" = [ "b" ]; } { "a" = "c"; } { "a" = "c"; })
+          (r 6 { "a" = "c"; } { "a" = [ "b" ]; } { "a" = [ "b" ]; })
+          (r 7 { "a" = { "b" = "c"; }; }
+            { "a" = { "b" = "d"; "c" = null; }; }
+            { "a" = { "b" = "d"; }; })
+          (r 8 { "a" = [{ "b" = "c"; }]; }
+            { "a" = [ 1 ]; }
+            { "a" = [ 1 ]; })
+          (r 9 [ "a" "b" ] [ "c" "d" ] [ "c" "d" ])
+          (r 10 { "a" = "b"; } [ "c" ] [ "c" ])
+          (r 11 { "a" = "foo"; } null null)
+          (r 12 { "a" = "foo"; } "bar" "bar")
+          (r 13 { "e" = null; } { "a" = 1; } { "e" = null; "a" = 1; })
+          (r 14 [ 1 2 ]
+            { "a" = "b"; "c" = null; }
+            { "a" = "b"; })
+          (r 15 { }
+            { "a" = { "bb" = { "ccc" = null; }; }; }
+            { "a" = { "bb" = { }; }; })
+        ];
 
-    in runTestsuite "mergePatch" [
+    in
+    runTestsuite "mergePatch" [
       emptyPatch
       nonAttrs
       rfcExamples
       rfcTests
     ];
 
-in {
+in
+{
   __functor = _: mergePatch;
 
   inherit tests;

nix/netstring/attrsToKeyValList.nix

@@ -28,6 +28,6 @@ attrs:
 lib.concatStrings
   (lib.mapAttrsToList
     (k: v: depot.nix.netstring.fromString
-       ( depot.nix.netstring.fromString k
-       + depot.nix.netstring.fromString v))
+      (depot.nix.netstring.fromString k
+        + depot.nix.netstring.fromString v))
     attrs)

nix/nint/default.nix

@@ -6,9 +6,11 @@ let
     ;
 in
 
-  rustSimpleBin {
-    name = "nint";
-    dependencies = [
-      depot.third_party.rust-crates.serde_json
-    ];
-  } (builtins.readFile ./nint.rs)
+rustSimpleBin
+{
+  name = "nint";
+  dependencies = [
+    depot.third_party.rust-crates.serde_json
+  ];
+}
+  (builtins.readFile ./nint.rs)

nix/readTree/default.nix

@@ -43,10 +43,13 @@ let
       children = readDir path;
       isVisible = f: f == ".skip-subtree" || (substring 0 1 f) != ".";
       names = filter isVisible (attrNames children);
-    in listToAttrs (map (name: {
-      inherit name;
-      value = children.${name};
-    }) names);
+    in
+    listToAttrs (map
+      (name: {
+        inherit name;
+        value = children.${name};
+      })
+      names);
 
   # Create a mark containing the location of this attribute and
   # a list of all child attribute names added by readTree.
@@ -57,12 +60,13 @@ let
 
   # Import a file and enforce our calling convention
   importFile = args: scopedArgs: path: parts: filter:
-  let
-      importedFile = if scopedArgs != {}
-                     then builtins.scopedImport scopedArgs path
-                     else import path;
+    let
+      importedFile =
+        if scopedArgs != { }
+        then builtins.scopedImport scopedArgs path
+        else import path;
       pathType = builtins.typeOf importedFile;
-  in
+    in
     if pathType != "lambda"
     then builtins.throw "readTree: trying to import ${toString path}, but it’s a ${pathType}, you need to make it a function like { depot, pkgs, ... }"
     else importedFile (filter parts (argsWithPath args parts));
@@ -76,8 +80,9 @@ let
       dir = readDirVisible initPath;
       joinChild = c: initPath + ("/" + c);
 
-      self = if rootDir
-        then { __readTree = []; }
+      self =
+        if rootDir
+        then { __readTree = [ ]; }
         else importFile args scopedArgs initPath parts argsFilter;
 
       # Import subdirectories of the current one, unless the special
@@ -88,33 +93,41 @@ let
       # should be ignored, but its content is not inspected by
       # readTree
       filterDir = f: dir."${f}" == "directory";
-      children = if hasAttr ".skip-subtree" dir then [] else map (c: {
-        name = c;
-        value = readTree {
-          inherit argsFilter scopedArgs;
-          args = args;
-          initPath = (joinChild c);
-          rootDir = false;
-          parts = (parts ++ [ c ]);
-        };
-      }) (filter filterDir (attrNames dir));
+      children = if hasAttr ".skip-subtree" dir then [ ] else
+      map
+        (c: {
+          name = c;
+          value = readTree {
+            inherit argsFilter scopedArgs;
+            args = args;
+            initPath = (joinChild c);
+            rootDir = false;
+            parts = (parts ++ [ c ]);
+          };
+        })
+        (filter filterDir (attrNames dir));
 
       # Import Nix files
-      nixFiles = if hasAttr ".skip-subtree" dir then []
+      nixFiles =
+        if hasAttr ".skip-subtree" dir then [ ]
         else filter (f: f != null) (map nixFileName (attrNames dir));
-      nixChildren = map (c: let
-        p = joinChild (c + ".nix");
-        childParts = parts ++ [ c ];
-        imported = importFile args scopedArgs p childParts argsFilter;
-      in {
-        name = c;
-        value =
-          if isAttrs imported
-          then imported // marker childParts {}
-          else imported;
-      }) nixFiles;
+      nixChildren = map
+        (c:
+          let
+            p = joinChild (c + ".nix");
+            childParts = parts ++ [ c ];
+            imported = importFile args scopedArgs p childParts argsFilter;
+          in
+          {
+            name = c;
+            value =
+              if isAttrs imported
+              then imported // marker childParts { }
+              else imported;
+          })
+        nixFiles;
 
-      nodeValue = if dir ? "default.nix" then self else {};
+      nodeValue = if dir ? "default.nix" then self else { };
 
       allChildren = listToAttrs (
         if dir ? "default.nix"
@@ -123,9 +136,9 @@ let
       );
 
     in
-      if isAttrs nodeValue
-      then nodeValue // allChildren // (marker parts allChildren)
-      else nodeValue;
+    if isAttrs nodeValue
+    then nodeValue // allChildren // (marker parts allChildren)
+    else nodeValue;
 
   # Function which can be used to find all readTree targets within an
   # attribute set.
@@ -143,40 +156,42 @@ let
   #             should be included in the build.
   gather = eligible: node:
     if node ? __readTree then
-      # Include the node itself if it is eligible.
-      (if eligible node then [ node ] else [])
+    # Include the node itself if it is eligible.
+      (if eligible node then [ node ] else [ ])
       # Include eligible children of the node
       ++ concatMap (gather eligible) (map (attr: node."${attr}") node.__readTreeChildren)
       # Include specified sub-targets of the node
       ++ filter eligible (map
-           (k: (node."${k}" or {}) // {
-             # Keep the same tree location, but explicitly mark this
-             # node as a subtarget.
-             __readTree = node.__readTree;
-             __readTreeChildren = [];
-             __subtarget = k;
-           })
-           (node.meta.targets or []))
-    else [];
+        (k: (node."${k}" or { }) // {
+          # Keep the same tree location, but explicitly mark this
+          # node as a subtarget.
+          __readTree = node.__readTree;
+          __readTreeChildren = [ ];
+          __subtarget = k;
+        })
+        (node.meta.targets or [ ]))
+    else [ ];
 
   # Determine whether a given value is a derivation.
   # Copied from nixpkgs/lib for cases where lib is not available yet.
   isDerivation = x: isAttrs x && x ? type && x.type == "derivation";
-in {
+in
+{
   inherit gather;
 
   __functor = _:
     { path
     , args
     , filter ? (_parts: x: x)
-    , scopedArgs ? {} }:
-      readTree {
-        inherit args scopedArgs;
-        argsFilter = filter;
-        initPath = path;
-        rootDir = true;
-        parts = [];
-      };
+    , scopedArgs ? { }
+    }:
+    readTree {
+      inherit args scopedArgs;
+      argsFilter = filter;
+      initPath = path;
+      rootDir = true;
+      parts = [ ];
+    };
 
   # In addition to readTree itself, some functionality is exposed that
   # is useful for users of readTree.
@@ -193,7 +208,7 @@ in {
   #               which should be able to access the restricted folder.
   #
   #   reason: Textual explanation for the restriction (included in errors)
-  restrictFolder = { folder, exceptions ? [], reason }: parts: args:
+  restrictFolder = { folder, exceptions ? [ ], reason }: parts: args:
     if (elemAt parts 0) == folder || elem parts exceptions
     then args
     else args // {
@@ -224,8 +239,8 @@ in {
   drvTargets = attrs: attrs // {
     meta = {
       targets = builtins.filter
-      (x: isDerivation attrs."${x}")
-      (builtins.attrNames attrs);
-    } // (attrs.meta or {});
+        (x: isDerivation attrs."${x}")
+        (builtins.attrNames attrs);
+    } // (attrs.meta or { });
   };
 }

nix/readTree/tests/default.nix

@@ -10,13 +10,13 @@ let
 
   tree-ex = depot.nix.readTree {
     path = ./test-example;
-    args = {};
+    args = { };
   };
 
   example = it "corresponds to the README example" [
     (assertEq "third_party attrset"
       (lib.isAttrs tree-ex.third_party
-      && (! lib.isDerivation tree-ex.third_party))
+        && (! lib.isDerivation tree-ex.third_party))
       true)
     (assertEq "third_party attrset other attribute"
       tree-ex.third_party.favouriteColour
@@ -37,7 +37,7 @@ let
 
   tree-tl = depot.nix.readTree {
     path = ./test-tree-traversal;
-    args = {};
+    args = { };
   };
 
   traversal-logic = it "corresponds to the traversal logic in the README" [
@@ -82,7 +82,7 @@ let
       "Picked up through the drv")
     (assertEq "default.nix drv is not changed by readTree"
       tree-tl.default-nix.can-be-drv
-      (import ./test-tree-traversal/default-nix/can-be-drv/default.nix {}))
+      (import ./test-tree-traversal/default-nix/can-be-drv/default.nix { }))
   ];
 
   # these each call readTree themselves because the throws have to happen inside assertThrows
@@ -90,7 +90,7 @@ let
     (assertThrows "this file is not a function"
       (depot.nix.readTree {
         path = ./test-wrong-not-a-function;
-        args = {};
+        args = { };
       }).not-a-function)
     # can’t test for that, assertThrows can’t catch this error
     # (assertThrows "this file is a function but doesn’t have dots"
@@ -99,12 +99,13 @@ let
 
   read-markers = depot.nix.readTree {
     path = ./test-marker;
-    args = {};
+    args = { };
   };
 
   assertMarkerByPath = path:
     assertEq "${lib.concatStringsSep "." path} is marked correctly"
-      (lib.getAttrFromPath path read-markers).__readTree path;
+      (lib.getAttrFromPath path read-markers).__readTree
+      path;
 
   markers = it "marks nodes correctly" [
     (assertMarkerByPath [ "directory-marked" ])
@@ -119,7 +120,8 @@ let
       read-markers.directory-marked.nested.__readTreeChildren [ ])
   ];
 
-in runTestsuite "readTree" [
+in
+runTestsuite "readTree" [
   example
   traversal-logic
   wrong

nix/readTree/tests/test-marker/directory-marked/default.nix

@@ -1,3 +1,3 @@
 { ... }:
 
-{}
+{ }

nix/readTree/tests/test-marker/directory-marked/nested/default.nix

@@ -1,3 +1,3 @@
 { ... }:
 
-{}
+{ }

nix/readTree/tests/test-marker/file-children/one.nix

@@ -1,3 +1,3 @@
 { ... }:
 
-{}
+{ }

nix/readTree/tests/test-marker/file-children/two.nix

@@ -1,3 +1,3 @@
 { ... }:
 
-{}
+{ }

nix/renderMarkdown/default.nix

@@ -3,6 +3,6 @@
 
 with depot.nix.yants;
 
-defun [ path drv ] (file: pkgs.runCommandNoCC "${file}.rendered.html" {} ''
+defun [ path drv ] (file: pkgs.runCommandNoCC "${file}.rendered.html" { } ''
   cat ${file} | ${depot.tools.cheddar}/bin/cheddar --about-filter ${file} > $out
 '')

nix/runExecline/default.nix

@@ -9,7 +9,7 @@ let
   runExeclineLocal = name: args: execline:
     runExecline name
       (args // {
-        derivationArgs = args.derivationArgs or {} // {
+        derivationArgs = args.derivationArgs or { } // {
           preferLocalBuild = true;
           allowSubstitutes = false;
         };
@@ -23,7 +23,8 @@ let
     inherit pkgs;
   };
 
-in {
+in
+{
   __functor = _: runExecline;
   local = runExeclineLocal;
   inherit tests;

nix/runExecline/runExecline.nix

@@ -35,32 +35,32 @@
 
 let
   bins = getBins pkgs.execline [
-           "execlineb"
-           { use = "if"; as = "execlineIf"; }
-           "redirfd"
-           "importas"
-           "exec"
-         ]
-      // getBins pkgs.s6-portable-utils [
-           "s6-cat"
-           "s6-grep"
-           "s6-touch"
-           "s6-test"
-           "s6-chmod"
-         ];
+    "execlineb"
+    { use = "if"; as = "execlineIf"; }
+    "redirfd"
+    "importas"
+    "exec"
+  ]
+  // getBins pkgs.s6-portable-utils [
+    "s6-cat"
+    "s6-grep"
+    "s6-touch"
+    "s6-test"
+    "s6-chmod"
+  ];
 
 in
 
 # TODO: move name into the attrset
 name:
 {
-# a string to pass as stdin to the execline script
-stdin ? ""
-# a program wrapping the acutal execline invocation;
-# should be in Bernstein-chaining style
+  # a string to pass as stdin to the execline script
+  stdin ? ""
+  # a program wrapping the acutal execline invocation;
+  # should be in Bernstein-chaining style
 , builderWrapper ? bins.exec
-# additional arguments to pass to the derivation
-, derivationArgs ? {}
+  # additional arguments to pass to the derivation
+, derivationArgs ? { }
 }:
 # the execline script as a nested list of string,
 # representing the blocks;
@@ -90,33 +90,33 @@ derivation (derivationArgs // {
   passAsFile = [
     "_runExeclineScript"
     "_runExeclineStdin"
-  ] ++ derivationArgs.passAsFile or [];
+  ] ++ derivationArgs.passAsFile or [ ];
 
   # the default, exec acts as identity executable
   builder = builderWrapper;
 
   args = [
-    bins.importas            # import script file as $script
-    "-ui"                    # drop the envvar afterwards
-    "script"                 # substitution name
+    bins.importas # import script file as $script
+    "-ui" # drop the envvar afterwards
+    "script" # substitution name
     "_runExeclineScriptPath" # passed script file
 
-    bins.importas            # do the same for $stdin
+    bins.importas # do the same for $stdin
     "-ui"
     "stdin"
     "_runExeclineStdinPath"
 
-    bins.redirfd             # now we
-    "-r"                     # read the file
-    "0"                      # into the stdin of execlineb
-    "$stdin"                 # that was given via stdin
+    bins.redirfd # now we
+    "-r" # read the file
+    "0" # into the stdin of execlineb
+    "$stdin" # that was given via stdin
 
-    bins.execlineb           # the actual invocation
+    bins.execlineb # the actual invocation
     # TODO(Profpatsch): depending on the use-case, -S0 might not be enough
     # in all use-cases, then a wrapper for execlineb arguments
     # should be added (-P, -S, -s).
-    "-S0"                    # set $@ inside the execline script
-    "-W"                     # die on syntax error
-    "$script"                # substituted by importas
+    "-S0" # set $@ inside the execline script
+    "-W" # die on syntax error
+    "$script" # substituted by importas
   ];
 })

nix/runExecline/tests.nix

@@ -1,23 +1,29 @@
-{ stdenv, pkgs, runExecline, runExeclineLocal, getBins, writeScript
-# https://www.mail-archive.com/skaware@list.skarnet.org/msg01256.html
-, coreutils }:
+{ stdenv
+, pkgs
+, runExecline
+, runExeclineLocal
+, getBins
+, writeScript
+  # https://www.mail-archive.com/skaware@list.skarnet.org/msg01256.html
+, coreutils
+}:
 
 let
 
   bins = getBins coreutils [ "mv" ]
-      // getBins pkgs.execline [
-           "execlineb"
-           { use = "if"; as = "execlineIf"; }
-           "redirfd"
-           "importas"
-         ]
-      // getBins pkgs.s6-portable-utils [
-           "s6-chmod"
-           "s6-grep"
-           "s6-touch"
-           "s6-cat"
-           "s6-test"
-         ];
+    // getBins pkgs.execline [
+    "execlineb"
+    { use = "if"; as = "execlineIf"; }
+    "redirfd"
+    "importas"
+  ]
+    // getBins pkgs.s6-portable-utils [
+    "s6-chmod"
+    "s6-grep"
+    "s6-touch"
+    "s6-cat"
+    "s6-test"
+  ];
 
   # execline block of depth 1
   block = args: builtins.map (arg: " ${arg}") args ++ [ "" ];
@@ -31,49 +37,80 @@ let
     builder = bins.execlineIf;
     args =
       (block [
-        bins.redirfd "-r" "0" file   # read file to stdin
-        bins.s6-grep "-F" "-q" line   # and grep for the line
+        bins.redirfd
+        "-r"
+        "0"
+        file # read file to stdin
+        bins.s6-grep
+        "-F"
+        "-q"
+        line # and grep for the line
       ])
       ++ [
         # if the block succeeded, touch $out
-        bins.importas "-ui" "out" "out"
-        bins.s6-touch "$out"
+        bins.importas
+        "-ui"
+        "out"
+        "out"
+        bins.s6-touch
+        "$out"
       ];
     preferLocalBuild = true;
     allowSubstitutes = false;
   };
 
   # basic test that touches out
-  basic = runExeclineLocal "run-execline-test-basic" {
-  } [
-      "importas" "-ui" "out" "out"
-      "${bins.s6-touch}" "$out"
+  basic = runExeclineLocal "run-execline-test-basic"
+    { } [
+    "importas"
+    "-ui"
+    "out"
+    "out"
+    "${bins.s6-touch}"
+    "$out"
   ];
 
   # whether the stdin argument works as intended
-  stdin = fileHasLine "foo" (runExeclineLocal "run-execline-test-stdin" {
-    stdin = "foo\nbar\nfoo";
-  } [
-      "importas" "-ui" "out" "out"
-      # this pipes stdout of s6-cat to $out
-      # and s6-cat redirects from stdin to stdout
-      "redirfd" "-w" "1" "$out" bins.s6-cat
+  stdin = fileHasLine "foo" (runExeclineLocal "run-execline-test-stdin"
+    {
+      stdin = "foo\nbar\nfoo";
+    } [
+    "importas"
+    "-ui"
+    "out"
+    "out"
+    # this pipes stdout of s6-cat to $out
+    # and s6-cat redirects from stdin to stdout
+    "redirfd"
+    "-w"
+    "1"
+    "$out"
+    bins.s6-cat
   ]);
 
 
-  wrapWithVar = runExeclineLocal "run-execline-test-wrap-with-var" {
-    builderWrapper = writeScript "var-wrapper" ''
-      #!${bins.execlineb} -S0
-      export myvar myvalue $@
-    '';
-  } [
-    "importas" "-ui" "v" "myvar"
-    "if" [ bins.s6-test "myvalue" "=" "$v" ]
-      "importas" "out" "out"
-      bins.s6-touch "$out"
+  wrapWithVar = runExeclineLocal "run-execline-test-wrap-with-var"
+    {
+      builderWrapper = writeScript "var-wrapper" ''
+        #!${bins.execlineb} -S0
+        export myvar myvalue $@
+      '';
+    } [
+    "importas"
+    "-ui"
+    "v"
+    "myvar"
+    "if"
+    [ bins.s6-test "myvalue" "=" "$v" ]
+    "importas"
+    "out"
+    "out"
+    bins.s6-touch
+    "$out"
   ];
 
-in [
+in
+[
   basic
   stdin
   wrapWithVar

nix/runTestsuite/default.nix

@@ -38,11 +38,11 @@ let
     ;
 
   bins = depot.nix.getBins pkgs.coreutils [ "printf" ]
-      // depot.nix.getBins pkgs.s6-portable-utils [ "s6-touch" "s6-false" "s6-cat" ];
+    // depot.nix.getBins pkgs.s6-portable-utils [ "s6-touch" "s6-false" "s6-cat" ];
 
   # Returns true if the given expression throws when `deepSeq`-ed
   throws = expr:
-    !(builtins.tryEval (builtins.deepSeq expr {})).success;
+    !(builtins.tryEval (builtins.deepSeq expr { })).success;
 
   # rewrite the builtins.partition result
   # to use `ok` and `err` instead of `right` and `wrong`.
@@ -99,11 +99,12 @@ let
     (context: desc: res:
       if res
       then { yep = { test = desc; }; }
-      else { nope = {
-        test = desc;
-        inherit context;
-      };
-    });
+      else {
+        nope = {
+          test = desc;
+          inherit context;
+        };
+      });
 
   # assert that left and right values are equal
   assertEq = defun [ string any any AssertResult ]
@@ -111,7 +112,7 @@ let
       let
         context = { not-equal = { inherit left right; }; };
       in
-        assertBoolContext context desc (left == right));
+      assertBoolContext context desc (left == right));
 
   # assert that the expression throws when `deepSeq`-ed
   assertThrows = defun [ string any AssertResult ]
@@ -119,7 +120,7 @@ let
       let
         context = { should-throw = { inherit expr; }; };
       in
-        assertBoolContext context desc (throws expr));
+      assertBoolContext context desc (throws expr));
 
   # assert that the expression does not throw when `deepSeq`-ed
   assertDoesNotThrow = defun [ string any AssertResult ]
@@ -144,31 +145,50 @@ let
           yep = _: true;
           nope = _: false;
         };
-        res = partitionTests (it:
-          (partitionTests goodAss it.asserts).err == []
-        ) itResults;
-        prettyRes = lib.generators.toPretty {} res;
+        res = partitionTests
+          (it:
+            (partitionTests goodAss it.asserts).err == [ ]
+          )
+          itResults;
+        prettyRes = lib.generators.toPretty { } res;
       in
-        if res.err == []
-        then depot.nix.runExecline.local "testsuite-${name}-successful" {} [
-          "importas" "out" "out"
+      if res.err == [ ]
+      then
+        depot.nix.runExecline.local "testsuite-${name}-successful" { } [
+          "importas"
+          "out"
+          "out"
           # force derivation to rebuild if test case list changes
-          "ifelse" [ bins.s6-false ] [
-            bins.printf "" (builtins.hashString "sha512" prettyRes)
+          "ifelse"
+          [ bins.s6-false ]
+          [
+            bins.printf
+            ""
+            (builtins.hashString "sha512" prettyRes)
           ]
-          "if" [ bins.printf "%s\n" "testsuite ${name} successful!" ]
-          bins.s6-touch "$out"
+          "if"
+          [ bins.printf "%s\n" "testsuite ${name} successful!" ]
+          bins.s6-touch
+          "$out"
         ]
-        else depot.nix.runExecline.local "testsuite-${name}-failed" {
-          stdin = prettyRes + "\n";
-        } [
-          "importas" "out" "out"
-          "if" [ bins.printf "%s\n" "testsuite ${name} failed!" ]
-          "if" [ bins.s6-cat ]
-          "exit" "1"
+      else
+        depot.nix.runExecline.local "testsuite-${name}-failed"
+          {
+            stdin = prettyRes + "\n";
+          } [
+          "importas"
+          "out"
+          "out"
+          "if"
+          [ bins.printf "%s\n" "testsuite ${name} failed!" ]
+          "if"
+          [ bins.s6-cat ]
+          "exit"
+          "1"
         ]);
 
-in {
+in
+{
   inherit
     assertEq
     assertThrows

nix/sparseTree/default.nix

@@ -45,14 +45,16 @@ let
     let
       withLeading = p: if builtins.substring 0 1 p == "/" then p else "/" + p;
       fullPath =
-        /**/ if builtins.isPath path then path
+        /**/
+        if builtins.isPath path then path
         else if builtins.isString path then (root + withLeading path)
         else builtins.throw "Unsupported path type ${builtins.typeOf path}";
       strPath = toString fullPath;
       contextPath = "${fullPath}";
       belowRoot = builtins.substring rootLength (-1) strPath;
       prefix = builtins.substring 0 rootLength strPath;
-    in assert toString root == prefix; {
+    in
+    assert toString root == prefix; {
       src = contextPath;
       dst = belowRoot;
     };
@@ -61,10 +63,12 @@ let
 in
 
 # TODO(sterni): teach readTree to also read symlinked directories,
-# so we ln -sT instead of cp -aT.
-pkgs.runCommandNoCC "sparse-${builtins.baseNameOf root}" {} (
-  lib.concatMapStrings ({ src, dst }: ''
-    mkdir -p "$(dirname "$out${dst}")"
-    cp -aT --reflink=auto "${src}" "$out${dst}"
-  '') symlinks
+  # so we ln -sT instead of cp -aT.
+pkgs.runCommandNoCC "sparse-${builtins.baseNameOf root}" { } (
+  lib.concatMapStrings
+    ({ src, dst }: ''
+      mkdir -p "$(dirname "$out${dst}")"
+      cp -aT --reflink=auto "${src}" "$out${dst}"
+    '')
+    symlinks
 )

nix/tag/default.nix

@@ -4,22 +4,24 @@ let
   # if so sets `isTag` to `true` and sets the name and value.
   # If not, sets `isTag` to `false` and sets `errmsg`.
   verifyTag = tag:
-    let cases = builtins.attrNames tag;
-        len = builtins.length cases;
+    let
+      cases = builtins.attrNames tag;
+      len = builtins.length cases;
     in
     if builtins.length cases == 1
-    then let name = builtins.head cases; in {
-      isTag = true;
-      name = name;
-      val = tag.${name};
-      errmsg = null;
-    }
+    then
+      let name = builtins.head cases; in {
+        isTag = true;
+        name = name;
+        val = tag.${name};
+        errmsg = null;
+      }
     else {
       isTag = false;
       errmsg =
-        ( "match: an instance of a sum is an attrset "
-        + "with exactly one element, yours had ${toString len}"
-        + ", namely: ${lib.generators.toPretty {} cases}" );
+        ("match: an instance of a sum is an attrset "
+          + "with exactly one element, yours had ${toString len}"
+          + ", namely: ${lib.generators.toPretty {} cases}");
       name = null;
       val = null;
     };
@@ -63,21 +65,22 @@ let
   #   ] 1
   #   => { smol = 1; }
   discrDef = defTag: fs: v:
-    let res = lib.findFirst
-                (t: t.val v)
-                null
-                (map assertIsTag fs);
+    let
+      res = lib.findFirst
+        (t: t.val v)
+        null
+        (map assertIsTag fs);
     in
-      if res == null
-      then { ${defTag} = v; }
-      else { ${res.name} = v; };
+    if res == null
+    then { ${defTag} = v; }
+    else { ${res.name} = v; };
 
   # Like `discrDef`, but fail if there is no match.
   discr = fs: v:
     let res = discrDef null fs v; in
-      assert lib.assertMsg (res != null)
-        "tag.discr: No predicate found that matches ${lib.generators.toPretty {} v}";
-      res;
+    assert lib.assertMsg (res != null)
+      "tag.discr: No predicate found that matches ${lib.generators.toPretty {} v}";
+    res;
 
   # The canonical pattern matching primitive.
   # A sum value is an attribute set with one element,
@@ -104,17 +107,17 @@ let
   match = sum: matcher:
     let cases = builtins.attrNames sum;
     in assert
-      let len = builtins.length cases; in
-        lib.assertMsg (len == 1)
-          ( "match: an instance of a sum is an attrset "
-          + "with exactly one element, yours had ${toString len}"
-          + ", namely: ${lib.generators.toPretty {} cases}" );
+    let len = builtins.length cases; in
+    lib.assertMsg (len == 1)
+      ("match: an instance of a sum is an attrset "
+        + "with exactly one element, yours had ${toString len}"
+        + ", namely: ${lib.generators.toPretty {} cases}");
     let case = builtins.head cases;
     in assert
-        lib.assertMsg (matcher ? ${case})
-        ( "match: \"${case}\" is not a valid case of this sum, "
+    lib.assertMsg (matcher ? ${case})
+      ("match: \"${case}\" is not a valid case of this sum, "
         + "the matcher accepts: ${lib.generators.toPretty {}
-            (builtins.attrNames matcher)}" );
+            (builtins.attrNames matcher)}");
     matcher.${case} sum.${case};
 
   # A `match` with the arguments flipped.
@@ -148,15 +151,16 @@ let
       ;
   };
 
-in {
-   inherit
-     verifyTag
-     tagName
-     tagValue
-     discr
-     discrDef
-     match
-     matchLam
-     tests
-     ;
+in
+{
+  inherit
+    verifyTag
+    tagName
+    tagValue
+    discr
+    discrDef
+    match
+    matchLam
+    tests
+    ;
 }

nix/tag/tests.nix

@@ -17,7 +17,7 @@ let
         errmsg = null;
       })
     (assertEq "is not Tag"
-      (removeAttrs (verifyTag { foo = "bar"; baz = 42; }) ["errmsg"])
+      (removeAttrs (verifyTag { foo = "bar"; baz = 42; }) [ "errmsg" ])
       {
         isTag = false;
         name = null;
@@ -41,7 +41,8 @@ let
       (discr [
         { bool = lib.isBool; }
         { int = lib.isInt; }
-      ] true)
+      ]
+        true)
       { bool = true; })
     (assertEq "fallback to default"
       (discrDef "def" [
@@ -53,19 +54,24 @@ let
 
   match-test = it "can match things" [
     (assertEq "match example"
-      (let
-        success = { res = 42; };
-        failure = { err = "no answer"; };
-        matcher = {
-          res = i: i + 1;
-          err = _: 0;
-        };
-      in {
-        one = match success matcher;
-        two = match failure matcher;
+      (
+        let
+          success = { res = 42; };
+          failure = { err = "no answer"; };
+          matcher = {
+            res = i: i + 1;
+            err = _: 0;
+          };
+        in
+        {
+          one = match success matcher;
+          two = match failure matcher;
+        }
+      )
+      {
+        one = 43;
+        two = 0;
       })
-      { one = 43;
-        two = 0; })
     (assertEq "matchLam & pipe"
       (lib.pipe { foo = 42; } [
         (matchLam {
@@ -81,8 +87,8 @@ let
   ];
 
 in
-  runTestsuite "tag" [
-    isTag-test
-    discr-test
-    match-test
-  ]
+runTestsuite "tag" [
+  isTag-test
+  discr-test
+  match-test
+]

nix/tailscale/default.nix

@@ -27,4 +27,5 @@ let
     # Actual ACL entries
     ACLs = list acl;
   };
-in config: pkgs.writeText "tailscale-acl.json" (toJSON (aclConfig config))
+in
+config: pkgs.writeText "tailscale-acl.json" (toJSON (aclConfig config))

nix/utils/default.nix

@@ -34,14 +34,14 @@ let
         basename = builtins.unsafeDiscardStringContext
           (builtins.baseNameOf strPath);
       in
-        # If p is a direct child of storeDir, we need to remove
+      # If p is a direct child of storeDir, we need to remove
         # the leading hash as well to make sure that:
         # `storePathName drv == storePathName (toString drv)`.
-        if noStoreDir == basename
-        then builtins.substring 33 (-1) basename
-        else basename
+      if noStoreDir == basename
+      then builtins.substring 33 (-1) basename
+      else basename
     else builtins.throw "Don't know how to get (base)name of "
-      + lib.generators.toPretty {} p;
+      + lib.generators.toPretty { } p;
 
   /* Query the type of a path exposing the same information as would be by
      `builtins.readDir`, but for a single, specific target path.
@@ -106,7 +106,7 @@ let
       # We need to call toString to prevent unsafeDiscardStringContext
       # from importing a path into store which messes with base- and
       # dirname of course.
-      path'= builtins.unsafeDiscardStringContext (toString path);
+      path' = builtins.unsafeDiscardStringContext (toString path);
       # To read the containing directory we absolutely need
       # to keep the string context, otherwise a derivation
       # would not be realized before our check (at eval time)
@@ -120,20 +120,22 @@ let
       # directory. If not, either the target doesn't exist or is a regular file.
       # TODO(sterni): is there a way to check reliably if the symlink target exists?
       isSymlinkDir = builtins.pathExists (path' + "/.");
-    in {
+    in
+    {
       ${thisPathType} =
-        /**/ if thisPathType != "symlink" then true
-        else if isSymlinkDir              then "directory"
-        else                                   "regular-or-missing";
+        /**/
+        if thisPathType != "symlink" then true
+        else if isSymlinkDir then "directory"
+        else "regular-or-missing";
     };
 
   pathType' = path:
     let
       p = pathType path;
     in
-      if p ? missing
-      then builtins.throw "${lib.generators.toPretty {} path} does not exist"
-      else p;
+    if p ? missing
+    then builtins.throw "${lib.generators.toPretty {} path} does not exist"
+    else p;
 
   /* Check whether the given path is a directory.
      Throws if the path in question doesn't exist.
@@ -151,9 +153,11 @@ let
 
      Type: path(-like) -> bool
   */
-  realPathIsDirectory = path: let
-    pt = pathType' path;
-  in pt ? directory || pt.symlink or null == "directory";
+  realPathIsDirectory = path:
+    let
+      pt = pathType' path;
+    in
+    pt ? directory || pt.symlink or null == "directory";
 
   /* Check whether the given path is a regular file.
      Throws if the path in question doesn't exist.
@@ -169,7 +173,8 @@ let
   */
   isSymlink = path: pathType' path ? symlink;
 
-in {
+in
+{
   inherit
     storePathName
     pathType

nix/utils/tests/default.nix

@@ -26,38 +26,53 @@ let
   pathPredicates = it "judges paths correctly" (lib.flatten [
     # isDirectory
     (assertUtilsPred "directory isDirectory"
-      (isDirectory ./directory) true)
+      (isDirectory ./directory)
+      true)
     (assertUtilsPred "symlink not isDirectory"
-      (isDirectory ./symlink-directory) false)
+      (isDirectory ./symlink-directory)
+      false)
     (assertUtilsPred "file not isDirectory"
-      (isDirectory ./directory/file) false)
+      (isDirectory ./directory/file)
+      false)
     # realPathIsDirectory
     (assertUtilsPred "directory realPathIsDirectory"
-      (realPathIsDirectory ./directory) true)
+      (realPathIsDirectory ./directory)
+      true)
     (assertUtilsPred "symlink to directory realPathIsDirectory"
-      (realPathIsDirectory ./symlink-directory) true)
+      (realPathIsDirectory ./symlink-directory)
+      true)
     (assertUtilsPred "realPathIsDirectory resolves chained symlinks"
-      (realPathIsDirectory ./symlink-symlink-directory) true)
+      (realPathIsDirectory ./symlink-symlink-directory)
+      true)
     # isRegularFile
     (assertUtilsPred "file isRegularFile"
-      (isRegularFile ./directory/file) true)
+      (isRegularFile ./directory/file)
+      true)
     (assertUtilsPred "symlink not isRegularFile"
-      (isRegularFile ./symlink-file) false)
+      (isRegularFile ./symlink-file)
+      false)
     (assertUtilsPred "directory not isRegularFile"
-      (isRegularFile ./directory) false)
+      (isRegularFile ./directory)
+      false)
     # isSymlink
     (assertUtilsPred "symlink to file isSymlink"
-      (isSymlink ./symlink-file) true)
+      (isSymlink ./symlink-file)
+      true)
     (assertUtilsPred "symlink to directory isSymlink"
-      (isSymlink ./symlink-directory) true)
+      (isSymlink ./symlink-directory)
+      true)
     (assertUtilsPred "symlink to symlink isSymlink"
-      (isSymlink ./symlink-symlink-file) true)
+      (isSymlink ./symlink-symlink-file)
+      true)
     (assertUtilsPred "symlink to missing file isSymlink"
-      (isSymlink ./missing) true)
+      (isSymlink ./missing)
+      true)
     (assertUtilsPred "directory not isSymlink"
-      (isSymlink ./directory) false)
+      (isSymlink ./directory)
+      false)
     (assertUtilsPred "file not isSymlink"
-      (isSymlink ./directory/file) false)
+      (isSymlink ./directory/file)
+      false)
     # missing files throw
     (assertThrows "isDirectory throws on missing file"
       (isDirectory ./does-not-exist))
@@ -89,15 +104,18 @@ let
 
   storePathNameTests = it "correctly gets the basename of a store path" [
     (assertEq "base name of a derivation"
-      (storePathName depot.tools.cheddar) depot.tools.cheddar.name)
+      (storePathName depot.tools.cheddar)
+      depot.tools.cheddar.name)
     (assertEq "base name of a store path string"
-      (storePathName cheddarStorePath) depot.tools.cheddar.name)
+      (storePathName cheddarStorePath)
+      depot.tools.cheddar.name)
     (assertEq "base name of a path within a store path"
       (storePathName "${cheddarStorePath}/bin/cheddar") "cheddar")
     (assertEq "base name of a path"
       (storePathName ../default.nix) "default.nix")
     (assertEq "base name of a cleanSourced path"
-      (storePathName cleanedSource) cleanedSource.name)
+      (storePathName cleanedSource)
+      cleanedSource.name)
   ];
 in
 

nix/writeElispBin/default.nix

@@ -1,6 +1,6 @@
 { depot, pkgs, ... }:
 
-{ name, src, deps ? (_: []), emacs ? pkgs.emacs27-nox }:
+{ name, src, deps ? (_: [ ]), emacs ? pkgs.emacs27-nox }:
 
 let
   inherit (pkgs) emacsPackages emacsPackagesGen;
@@ -8,11 +8,13 @@ let
 
   finalEmacs = (emacsPackagesGen emacs).emacsWithPackages deps;
 
-  srcFile = if isString src
+  srcFile =
+    if isString src
     then toFile "${name}.el" src
     else src;
 
-in depot.nix.writeScriptBin name ''
+in
+depot.nix.writeScriptBin name ''
   #!/bin/sh
   ${finalEmacs}/bin/emacs --batch --no-site-file --script ${srcFile} $@
 ''

nix/writeExecline/default.nix

@@ -14,9 +14,10 @@ name:
   # "env": don’t substitute, set # and 0…n environment vaariables, where n=$#
   # "none": don’t substitute or set any positional arguments
   # "env-no-push": like "env", but bypass the push-phase. Not recommended.
-  argMode ? "var",
-  # Number of arguments to be substituted as variables (passed to "var"/"-s" or "var-full"/"-S"
-  readNArgs ? 0,
+  argMode ? "var"
+, # Number of arguments to be substituted as variables (passed to "var"/"-s" or "var-full"/"-S"
+  readNArgs ? 0
+,
 }:
 # Nested list of lists of commands.
 # Inner lists are translated to execline blocks.
@@ -24,7 +25,7 @@ argList:
 
 let
   env =
-    if      argMode == "var" then "s${toString readNArgs}"
+    if argMode == "var" then "s${toString readNArgs}"
     else if argMode == "var-full" then "S${toString readNArgs}"
     else if argMode == "env" then ""
     else if argMode == "none" then "P"
@@ -32,7 +33,7 @@ let
     else abort ''"${toString argMode}" is not a valid argMode, use one of "var", "var-full", "env", "none", "env-no-push".'';
 
 in
-  depot.nix.writeScript name ''
-    #!${pkgs.execline}/bin/execlineb -W${env}
-    ${depot.nix.escapeExecline argList}
-  ''
+depot.nix.writeScript name ''
+  #!${pkgs.execline}/bin/execlineb -W${env}
+  ${depot.nix.escapeExecline argList}
+''

nix/writeScript/default.nix

@@ -5,25 +5,31 @@
 
 let
   bins = depot.nix.getBins pkgs.s6-portable-utils [
-           "s6-cat"
-           "s6-chmod"
-         ];
+    "s6-cat"
+    "s6-chmod"
+  ];
 
 in
 name:
 # string of the executable script that is put in $out
 script:
 
-depot.nix.runExecline name {
+depot.nix.runExecline name
+{
   stdin = script;
   derivationArgs = {
     preferLocalBuild = true;
     allowSubstitutes = false;
   };
 } [
-  "importas" "out" "out"
+  "importas"
+  "out"
+  "out"
   # this pipes stdout of s6-cat to $out
   # and s6-cat redirects from stdin to stdout
-  "if" [ "redirfd" "-w" "1" "$out" bins.s6-cat ]
-  bins.s6-chmod "0755" "$out"
+  "if"
+  [ "redirfd" "-w" "1" "$out" bins.s6-cat ]
+  bins.s6-chmod
+  "0755"
+  "$out"
 ]

nix/writers/default.nix

@@ -2,62 +2,71 @@
 
 let
   bins = depot.nix.getBins pkgs.s6-portable-utils [ "s6-ln" "s6-ls" "s6-touch" ]
-    ;
+  ;
 
-  linkTo = name: path: depot.nix.runExecline.local name {} [
-    "importas" "out" "out"
-    bins.s6-ln "-s" path "$out"
+  linkTo = name: path: depot.nix.runExecline.local name { } [
+    "importas"
+    "out"
+    "out"
+    bins.s6-ln
+    "-s"
+    path
+    "$out"
   ];
 
   # Build a rust executable, $out is the executable.
-  rustSimple = args@{name, ...}: src:
+  rustSimple = args@{ name, ... }: src:
     linkTo name "${rustSimpleBin args src}/bin/${name}";
 
   # Like `rustSimple`, but put the binary in `$out/bin/`.
-  rustSimpleBin = {
-    name,
-    dependencies ? [],
-    doCheck ? true,
-  }: src:
+  rustSimpleBin =
+    { name
+    , dependencies ? [ ]
+    , doCheck ? true
+    ,
+    }: src:
     (if doCheck then testRustSimple else pkgs.lib.id)
-    (pkgs.buildRustCrate ({
-      pname = name;
-      version = "1.0.0";
-      crateName = name;
-      crateBin = [ name ];
-      dependencies = dependencies;
-      src = pkgs.runCommandLocal "write-main.rs" {
-        src = src;
-        passAsFile = [ "src" ];
-      } ''
-        mkdir -p $out/src/bin
-        cp "$srcPath" $out/src/bin/${name}.rs
-        find $out
-      '';
-    }));
+      (pkgs.buildRustCrate ({
+        pname = name;
+        version = "1.0.0";
+        crateName = name;
+        crateBin = [ name ];
+        dependencies = dependencies;
+        src = pkgs.runCommandLocal "write-main.rs"
+          {
+            src = src;
+            passAsFile = [ "src" ];
+          } ''
+          mkdir -p $out/src/bin
+          cp "$srcPath" $out/src/bin/${name}.rs
+          find $out
+        '';
+      }));
 
   # Build a rust library, that can be used as dependency to `rustSimple`.
   # Wrapper around `pkgs.buildRustCrate`, takes all its arguments.
-  rustSimpleLib = {
-    name,
-    dependencies ? [],
-    doCheck ? true,
-  }: src:
+  rustSimpleLib =
+    { name
+    , dependencies ? [ ]
+    , doCheck ? true
+    ,
+    }: src:
     (if doCheck then testRustSimple else pkgs.lib.id)
-    (pkgs.buildRustCrate ({
-      pname = name;
-      version = "1.0.0";
-      crateName = name;
-      dependencies = dependencies;
-      src = pkgs.runCommandLocal "write-lib.rs" {
-        src = src;
-        passAsFile = [ "src" ];
-      } ''
-        mkdir -p $out/src
-        cp "$srcPath" $out/src/lib.rs
-        find $out
-      '';
-    }));
+      (pkgs.buildRustCrate ({
+        pname = name;
+        version = "1.0.0";
+        crateName = name;
+        dependencies = dependencies;
+        src = pkgs.runCommandLocal "write-lib.rs"
+          {
+            src = src;
+            passAsFile = [ "src" ];
+          } ''
+          mkdir -p $out/src
+          cp "$srcPath" $out/src/lib.rs
+          find $out
+        '';
+      }));
 
   /* Takes a `buildRustCrate` derivation as an input,
     * builds it with `{ buildTests = true; }` and runs
@@ -72,19 +81,30 @@ let
   testRustSimple = rustDrv:
     let
       crate = buildTests: rustDrv.override { inherit buildTests; };
-      tests = depot.nix.runExecline.local "${rustDrv.name}-tests-run" {} [
-        "importas" "out" "out"
-        "if" [
-          "pipeline" [ bins.s6-ls "${crate true}/tests" ]
-          "forstdin" "-o0" "test"
-          "importas" "test" "test"
+      tests = depot.nix.runExecline.local "${rustDrv.name}-tests-run" { } [
+        "importas"
+        "out"
+        "out"
+        "if"
+        [
+          "pipeline"
+          [ bins.s6-ls "${crate true}/tests" ]
+          "forstdin"
+          "-o0"
+          "test"
+          "importas"
+          "test"
+          "test"
           "${crate true}/tests/$test"
         ]
-        bins.s6-touch "$out"
+        bins.s6-touch
+        "$out"
       ];
-    in depot.nix.drvSeqL [ tests ] (crate false);
+    in
+    depot.nix.drvSeqL [ tests ] (crate false);
 
-in {
+in
+{
   inherit
     rustSimple
     rustSimpleBin

nix/writers/tests/rust.nix

@@ -11,15 +11,20 @@ let
     coreutils
     ;
 
-  run = drv: depot.nix.runExecline.local "run-${drv.name}" {} [
-    "if" [ drv ]
-    "importas" "out" "out"
-    "${coreutils}/bin/touch" "$out"
+  run = drv: depot.nix.runExecline.local "run-${drv.name}" { } [
+    "if"
+    [ drv ]
+    "importas"
+    "out"
+    "out"
+    "${coreutils}/bin/touch"
+    "$out"
   ];
 
-  rustTransitiveLib = rustSimpleLib {
-    name = "transitive";
-  } ''
+  rustTransitiveLib = rustSimpleLib
+    {
+      name = "transitive";
+    } ''
     pub fn transitive(s: &str) -> String {
       let mut new = s.to_string();
       new.push_str(" 1 2 3");
@@ -37,10 +42,11 @@ let
     }
   '';
 
-  rustTestLib = rustSimpleLib {
-    name = "test_lib";
-    dependencies = [ rustTransitiveLib ];
-  } ''
+  rustTestLib = rustSimpleLib
+    {
+      name = "test_lib";
+      dependencies = [ rustTransitiveLib ];
+    } ''
     extern crate transitive;
     use transitive::{transitive};
     pub fn test() -> String {
@@ -48,10 +54,11 @@ let
     }
   '';
 
-  rustWithLib = run (rustSimple {
-    name = "rust-with-lib";
-    dependencies = [ rustTestLib ];
-  } ''
+  rustWithLib = run (rustSimple
+    {
+      name = "rust-with-lib";
+      dependencies = [ rustTestLib ];
+    } ''
     extern crate test_lib;
 
     fn main() {
@@ -60,7 +67,8 @@ let
   '');
 
 
-in depot.nix.readTree.drvTargets {
+in
+depot.nix.readTree.drvTargets {
   inherit
     rustTransitiveLib
     rustWithLib

nix/yants/default.nix

@@ -6,10 +6,10 @@
 #
 # All types (should) compose as expected.
 
-{ lib ?  (import <nixpkgs> {}).lib, ... }:
+{ lib ? (import <nixpkgs> { }).lib, ... }:
 
 with builtins; let
-  prettyPrint = lib.generators.toPretty {};
+  prettyPrint = lib.generators.toPretty { };
 
   # typedef' :: struct {
   #   name = string;
@@ -34,41 +34,44 @@ with builtins; let
   #
   # This function is the low-level primitive used to create types. For
   # many cases the higher-level 'typedef' function is more appropriate.
-  typedef' = { name, checkType
-             , checkToBool ? (result: result.ok)
-             , toError ? (_: result: result.err)
-             , def ? null
-             , match ? null }: {
-    inherit name checkToBool toError;
+  typedef' =
+    { name
+    , checkType
+    , checkToBool ? (result: result.ok)
+    , toError ? (_: result: result.err)
+    , def ? null
+    , match ? null
+    }: {
+      inherit name checkToBool toError;
 
-    # check :: a -> bool
-    #
-    # This function is used to determine whether a given type is
-    # conformant.
-    check = value: checkToBool (checkType value);
+      # check :: a -> bool
+      #
+      # This function is used to determine whether a given type is
+      # conformant.
+      check = value: checkToBool (checkType value);
 
-    # checkType :: a -> struct { ok = bool; err = option string; }
-    #
-    # This function checks whether the passed value is type conformant
-    # and returns an optional type error string otherwise.
-    inherit checkType;
+      # checkType :: a -> struct { ok = bool; err = option string; }
+      #
+      # This function checks whether the passed value is type conformant
+      # and returns an optional type error string otherwise.
+      inherit checkType;
 
-    # __functor :: a -> a
-    #
-    # This function checks whether the passed value is type conformant
-    # and throws an error if it is not.
-    #
-    # The name of this function is a special attribute in Nix that
-    # makes it possible to execute a type attribute set like a normal
-    # function.
-    __functor = self: value:
-    let result = self.checkType value;
-    in if checkToBool result then value
-       else throw (toError value result);
-  };
+      # __functor :: a -> a
+      #
+      # This function checks whether the passed value is type conformant
+      # and throws an error if it is not.
+      #
+      # The name of this function is a special attribute in Nix that
+      # makes it possible to execute a type attribute set like a normal
+      # function.
+      __functor = self: value:
+        let result = self.checkType value;
+        in if checkToBool result then value
+        else throw (toError value result);
+    };
 
   typeError = type: val:
-  "expected type '${type}', but value '${prettyPrint val}' is of type '${typeOf val}'";
+    "expected type '${type}', but value '${prettyPrint val}' is of type '${typeOf val}'";
 
   # typedef :: string -> (a -> bool) -> type
   #
@@ -85,27 +88,34 @@ with builtins; let
       });
   };
 
-  checkEach = name: t: l: foldl' (acc: e:
-    let res = t.checkType e;
+  checkEach = name: t: l: foldl'
+    (acc: e:
+      let
+        res = t.checkType e;
         isT = t.checkToBool res;
-    in {
-      ok = acc.ok && isT;
-      err = if isT
-        then acc.err
-        else acc.err + "${prettyPrint e}: ${t.toError e res}\n";
-    }) { ok = true; err = "expected type ${name}, but found:\n"; } l;
-in lib.fix (self: {
+      in
+      {
+        ok = acc.ok && isT;
+        err =
+          if isT
+          then acc.err
+          else acc.err + "${prettyPrint e}: ${t.toError e res}\n";
+      })
+    { ok = true; err = "expected type ${name}, but found:\n"; }
+    l;
+in
+lib.fix (self: {
   # Primitive types
-  any      = typedef "any" (_: true);
-  unit     = typedef "unit" (v: v == {});
-  int      = typedef "int" isInt;
-  bool     = typedef "bool" isBool;
-  float    = typedef "float" isFloat;
-  string   = typedef "string" isString;
-  path     = typedef "path" (x: typeOf x == "path");
-  drv      = typedef "derivation" (x: isAttrs x && x ? "type" && x.type == "derivation");
+  any = typedef "any" (_: true);
+  unit = typedef "unit" (v: v == { });
+  int = typedef "int" isInt;
+  bool = typedef "bool" isBool;
+  float = typedef "float" isFloat;
+  string = typedef "string" isString;
+  path = typedef "path" (x: typeOf x == "path");
+  drv = typedef "derivation" (x: isAttrs x && x ? "type" && x.type == "derivation");
   function = typedef "function" (x: isFunction x || (isAttrs x && x ? "__functor"
-                                                 && isFunction x.__functor));
+    && isFunction x.__functor));
 
   # Type for types themselves. Useful when defining polymorphic types.
   type = typedef "type" (x:
@@ -124,7 +134,7 @@ in lib.fix (self: {
       in {
         ok = isNull v || (self.type t).checkToBool res;
         err = "expected type ${name}, but value does not conform to '${t.name}': "
-         + t.toError v res;
+          + t.toError v res;
       };
   };
 
@@ -136,7 +146,8 @@ in lib.fix (self: {
   list = t: typedef' rec {
     name = "list<${t.name}>";
 
-    checkType = v: if isList v
+    checkType = v:
+      if isList v
       then checkEach name (self.type t) v
       else {
         ok = false;
@@ -147,7 +158,8 @@ in lib.fix (self: {
   attrs = t: typedef' rec {
     name = "attrs<${t.name}>";
 
-    checkType = v: if isAttrs v
+    checkType = v:
+      if isAttrs v
       then checkEach name (self.type t) (attrValues v)
       else {
         ok = false;
@@ -172,20 +184,23 @@ in lib.fix (self: {
       # checkField checks an individual field of the struct against
       # its definition and creates a typecheck result. These results
       # are aggregated during the actual checking.
-      checkField = def: name: value: let result = def.checkType value; in rec {
-        ok = def.checkToBool result;
-        err = if !ok && isNull value
-          then "missing required ${def.name} field '${name}'\n"
-          else "field '${name}': ${def.toError value result}\n";
-      };
+      checkField = def: name: value:
+        let result = def.checkType value; in rec {
+          ok = def.checkToBool result;
+          err =
+            if !ok && isNull value
+            then "missing required ${def.name} field '${name}'\n"
+            else "field '${name}': ${def.toError value result}\n";
+        };
 
       # checkExtraneous determines whether a (closed) struct contains
       # any fields that are not part of the definition.
       checkExtraneous = def: has: acc:
         if (length has) == 0 then acc
         else if (hasAttr (head has) def)
-          then checkExtraneous def (tail has) acc
-          else checkExtraneous def (tail has) {
+        then checkExtraneous def (tail has) acc
+        else
+          checkExtraneous def (tail has) {
             ok = false;
             err = acc.err + "unexpected struct field '${head has}'\n";
           };
@@ -197,85 +212,102 @@ in lib.fix (self: {
           init = { ok = true; err = ""; };
           extraneous = checkExtraneous def (attrNames value) init;
 
-          checkedFields = map (n:
-            let v = if hasAttr n value then value."${n}" else null;
-            in checkField def."${n}" n v) (attrNames def);
+          checkedFields = map
+            (n:
+              let v = if hasAttr n value then value."${n}" else null;
+              in checkField def."${n}" n v)
+            (attrNames def);
 
-          combined = foldl' (acc: res: {
-            ok = acc.ok && res.ok;
-            err = if !res.ok then acc.err + res.err else acc.err;
-          }) init checkedFields;
-        in {
+          combined = foldl'
+            (acc: res: {
+              ok = acc.ok && res.ok;
+              err = if !res.ok then acc.err + res.err else acc.err;
+            })
+            init
+            checkedFields;
+        in
+        {
           ok = combined.ok && extraneous.ok;
           err = combined.err + extraneous.err;
         };
 
       struct' = name: def: typedef' {
         inherit name def;
-        checkType = value: if isAttrs value
+        checkType = value:
+          if isAttrs value
           then (checkStruct (self.attrs self.type def) value)
           else { ok = false; err = typeError name value; };
 
-          toError = _: result: "expected '${name}'-struct, but found:\n" + result.err;
+        toError = _: result: "expected '${name}'-struct, but found:\n" + result.err;
       };
-    in arg: if isString arg then (struct' arg) else (struct' "anon" arg);
+    in
+    arg: if isString arg then (struct' arg) else (struct' "anon" arg);
 
   # Enums & pattern matching
   enum =
-  let
-    plain = name: def: typedef' {
-      inherit name def;
+    let
+      plain = name: def: typedef' {
+        inherit name def;
 
-      checkType = (x: isString x && elem x def);
-      checkToBool = x: x;
-      toError = value: _: "'${prettyPrint value} is not a member of enum ${name}";
-    };
-    enum' = name: def: lib.fix (e: (plain name def) // {
-      match = x: actions: deepSeq (map e (attrNames actions)) (
-      let
-        actionKeys = attrNames actions;
-        missing = foldl' (m: k: if (elem k actionKeys) then m else m ++ [ k ]) [] def;
-      in if (length missing) > 0
-        then throw "Missing match action for members: ${prettyPrint missing}"
-        else actions."${e x}");
-    });
-  in arg: if isString arg then (enum' arg) else (enum' "anon" arg);
+        checkType = (x: isString x && elem x def);
+        checkToBool = x: x;
+        toError = value: _: "'${prettyPrint value} is not a member of enum ${name}";
+      };
+      enum' = name: def: lib.fix (e: (plain name def) // {
+        match = x: actions: deepSeq (map e (attrNames actions)) (
+          let
+            actionKeys = attrNames actions;
+            missing = foldl' (m: k: if (elem k actionKeys) then m else m ++ [ k ]) [ ] def;
+          in
+          if (length missing) > 0
+          then throw "Missing match action for members: ${prettyPrint missing}"
+          else actions."${e x}"
+        );
+      });
+    in
+    arg: if isString arg then (enum' arg) else (enum' "anon" arg);
 
   # Sum types
   #
   # The representation of a sum type is an attribute set with only one
   # value, where the key of the value denotes the variant of the type.
   sum =
-  let
-    plain = name: def: typedef' {
-      inherit name def;
-      checkType = (x:
-        let variant = elemAt (attrNames x) 0;
-        in if isAttrs x && length (attrNames x) == 1 && hasAttr variant def
-          then let t = def."${variant}";
-                   v = x."${variant}";
-                   res = t.checkType v;
-               in if t.checkToBool res
-                  then { ok = true; }
-                  else {
-                    ok = false;
-                    err = "while checking '${name}' variant '${variant}': "
-                          + t.toError v res;
-                  }
+    let
+      plain = name: def: typedef' {
+        inherit name def;
+        checkType = (x:
+          let variant = elemAt (attrNames x) 0;
+          in if isAttrs x && length (attrNames x) == 1 && hasAttr variant def
+          then
+            let
+              t = def."${variant}";
+              v = x."${variant}";
+              res = t.checkType v;
+            in
+            if t.checkToBool res
+            then { ok = true; }
+            else {
+              ok = false;
+              err = "while checking '${name}' variant '${variant}': "
+                + t.toError v res;
+            }
           else { ok = false; err = typeError name x; }
-      );
-    };
-    sum' = name: def: lib.fix (s: (plain name def) // {
-    match = x: actions:
-    let variant = deepSeq (s x) (elemAt (attrNames x) 0);
-        actionKeys = attrNames actions;
-        defKeys = attrNames def;
-        missing = foldl' (m: k: if (elem k actionKeys) then m else m ++ [ k ]) [] defKeys;
-    in if (length missing) > 0
-      then throw "Missing match action for variants: ${prettyPrint missing}"
-      else actions."${variant}" x."${variant}";
-    });
-    in arg: if isString arg then (sum' arg) else (sum' "anon" arg);
+        );
+      };
+      sum' = name: def: lib.fix (s: (plain name def) // {
+        match = x: actions:
+          let
+            variant = deepSeq (s x) (elemAt (attrNames x) 0);
+            actionKeys = attrNames actions;
+            defKeys = attrNames def;
+            missing = foldl' (m: k: if (elem k actionKeys) then m else m ++ [ k ]) [ ] defKeys;
+          in
+          if (length missing) > 0
+          then throw "Missing match action for variants: ${prettyPrint missing}"
+          else actions."${variant}" x."${variant}";
+      });
+    in
+    arg: if isString arg then (sum' arg) else (sum' "anon" arg);
 
   # Typed function definitions
   #
@@ -289,15 +321,19 @@ in lib.fix (self: {
       mkFunc = sig: f: {
         inherit sig;
         __toString = self: foldl' (s: t: "${s} -> ${t.name}")
-                                  "λ :: ${(head self.sig).name}" (tail self.sig);
+          "λ :: ${(head self.sig).name}"
+          (tail self.sig);
         __functor = _: f;
       };
 
-      defun' = sig: func: if length sig > 2
+      defun' = sig: func:
+        if length sig > 2
         then mkFunc sig (x: defun' (tail sig) (func ((head sig) x)))
         else mkFunc sig (x: ((head (tail sig)) (func ((head sig) x))));
 
-    in sig: func: if length sig < 2
+    in
+    sig: func:
+      if length sig < 2
       then (throw "Signature must at least have two types (a -> b)")
       else defun' sig func;
 
@@ -311,21 +347,22 @@ in lib.fix (self: {
   # depend on the value being of the wrapped type.
   restrict = name: pred: t:
     let restriction = "${t.name}[${name}]"; in typedef' {
-    name = restriction;
-    checkType = v:
-      let res = t.checkType v;
-      in
+      name = restriction;
+      checkType = v:
+        let res = t.checkType v;
+        in
         if !(t.checkToBool res)
         then res
         else
           let
             iok = pred v;
-          in if isBool iok then {
+          in
+          if isBool iok then {
             ok = iok;
             err = "${prettyPrint v} does not conform to restriction '${restriction}'";
           } else
-            # use throw here to avoid spamming the build log
+          # use throw here to avoid spamming the build log
             throw "restriction '${restriction}' predicate returned unexpected value '${prettyPrint iok}' instead of boolean";
-  };
+    };
 
 })

nix/yants/tests/default.nix

@@ -25,7 +25,7 @@ let
   };
 
   testPrimitives = it "checks that all primitive types match" [
-    (assertDoesNotThrow "unit type" (unit {}))
+    (assertDoesNotThrow "unit type" (unit { }))
     (assertDoesNotThrow "int type" (int 15))
     (assertDoesNotThrow "bool type" (bool false))
     (assertDoesNotThrow "float type" (float 13.37))
@@ -44,7 +44,7 @@ let
   # Test that structures work as planned.
   person = struct "person" {
     name = string;
-    age  = int;
+    age = int;
 
     contact = option (struct {
       email = string;
@@ -55,7 +55,7 @@ let
   testStruct = it "checks that structures work as intended" [
     (assertDoesNotThrow "person struct" (person {
       name = "Brynhjulf";
-      age  = 42;
+      age = 42;
       contact.email = "brynhjulf@yants.nix";
     }))
   ];
@@ -70,7 +70,8 @@ let
 
   testEnum = it "checks enum definitions and matching" [
     (assertEq "enum is matched correctly"
-      "It is in fact red!" (colour.match "red" colourMatcher))
+      "It is in fact red!"
+      (colour.match "red" colourMatcher))
     (assertThrows "out of bounds enum fails"
       (colour.match "alpha" (colourMatcher // {
         alpha = "This should never happen";
@@ -97,7 +98,8 @@ let
   testSum = it "checks sum types definitions and matching" [
     (assertDoesNotThrow "creature sum type" some-human)
     (assertEq "sum type is matched correctly"
-      "It's a human named Brynhjulf" (creature.match some-human {
+      "It's a human named Brynhjulf"
+      (creature.match some-human {
         human = v: "It's a human named ${v.name}";
         pet = v: "It's not supposed to be a pet!";
       })
@@ -106,7 +108,7 @@ let
 
   # Test curried function definitions
   func = defun [ string int string ]
-  (name: age: "${name} is ${toString age} years old");
+    (name: age: "${name} is ${toString age} years old");
 
   testFunctions = it "checks function definitions" [
     (assertDoesNotThrow "function application" (func "Brynhjulf" 42))
@@ -144,13 +146,13 @@ let
   ];
 
 in
-  runTestsuite "yants" [
-    testPrimitives
-    testPoly
-    testStruct
-    testEnum
-    testSum
-    testFunctions
-    testTypes
-    testRestrict
-  ]
+runTestsuite "yants" [
+  testPrimitives
+  testPoly
+  testStruct
+  testEnum
+  testSum
+  testFunctions
+  testTypes
+  testRestrict
+]

ops/dns/default.nix

@@ -2,11 +2,12 @@
 { depot, pkgs, ... }:
 
 let
-  checkZone = zone: file: pkgs.runCommandNoCC "${zone}-check" {} ''
+  checkZone = zone: file: pkgs.runCommandNoCC "${zone}-check" { } ''
     ${pkgs.bind}/bin/named-checkzone -i local ${zone} ${file} | tee $out
   '';
 
-in depot.nix.readTree.drvTargets {
+in
+depot.nix.readTree.drvTargets {
   nixery-dev = checkZone "nixery.dev" ./nixery.dev.zone;
   tvl-fyi = checkZone "tvl.fyi" ./tvl.fyi.zone;
   tvl-su = checkZone "tvl.su" ./tvl.su.zone;

ops/glesys/default.nix

@@ -2,7 +2,7 @@
 
 depot.nix.readTree.drvTargets {
   # Provide a Terraform wrapper with the right provider installed.
-  terraform = pkgs.terraform.withPlugins(_: [
+  terraform = pkgs.terraform.withPlugins (_: [
     depot.third_party.terraform-provider-glesys
   ]);
 }

ops/journaldriver/default.nix

@@ -4,6 +4,8 @@ depot.third_party.naersk.buildPackage {
   src = ./.;
 
   buildInputs = with pkgs; [
-    pkgconfig openssl systemd.dev
+    pkgconfig
+    openssl
+    systemd.dev
   ];
 }

ops/keycloak/default.nix

@@ -2,7 +2,7 @@
 
 depot.nix.readTree.drvTargets {
   # Provide a Terraform wrapper with the right provider installed.
-  terraform = pkgs.terraform.withPlugins(p: [
+  terraform = pkgs.terraform.withPlugins (p: [
     p.keycloak
   ]);
 }

ops/kontemplate/release.nix

@@ -10,13 +10,17 @@
 # This file is the Nix derivation used to build release binaries for
 # several different architectures and operating systems.
 
-let pkgs = import ((import <nixpkgs> {}).fetchFromGitHub {
-  owner = "NixOS";
-  repo = "nixpkgs-channels";
-  rev = "541d9cce8af7a490fb9085305939569567cb58e6";
-  sha256 = "0jgz72hhzkd5vyq5v69vpljjlnf0lqaz7fh327bvb3cvmwbfxrja";
-}) {};
-in with pkgs; buildGoPackage rec {
+let
+  pkgs = import
+    ((import <nixpkgs> { }).fetchFromGitHub {
+      owner = "NixOS";
+      repo = "nixpkgs-channels";
+      rev = "541d9cce8af7a490fb9085305939569567cb58e6";
+      sha256 = "0jgz72hhzkd5vyq5v69vpljjlnf0lqaz7fh327bvb3cvmwbfxrja";
+    })
+    { };
+in
+with pkgs; buildGoPackage rec {
   name = "kontemplate-${version}";
   version = "canon";
   src = ./.;
@@ -29,8 +33,8 @@ in with pkgs; buildGoPackage rec {
   # reason for setting the 'allowGoReference' flag.
   dontStrip = true; # Linker configuration handles stripping
   allowGoReference = true;
-  CGO_ENABLED="0";
-  GOCACHE="off";
+  CGO_ENABLED = "0";
+  GOCACHE = "off";
 
   # Configure release builds via the "build-matrix" script:
   buildInputs = [ git ];

ops/machines/whitby/default.nix

@@ -4,7 +4,8 @@
 let
   inherit (builtins) listToAttrs;
   inherit (lib) range;
-in {
+in
+{
   imports = [
     "${depot.path}/ops/modules/atward.nix"
     "${depot.path}/ops/modules/clbot.nix"
@@ -55,7 +56,13 @@ in {
 
     initrd = {
       availableKernelModules = [
-        "igb" "xhci_pci" "nvme" "ahci" "usbhid" "usb_storage" "sr_mod"
+        "igb"
+        "xhci_pci"
+        "nvme"
+        "ahci"
+        "usbhid"
+        "usb_storage"
+        "sr_mod"
       ];
 
       # Enable SSH in the initrd so that we can enter disk encryption
@@ -189,7 +196,7 @@ in {
         ++ lukegb.keys.all
         ++ [ grfn.keys.whitby ]
         ++ sterni.keys.all
-        ;
+      ;
     };
   };
 
@@ -205,7 +212,8 @@ in {
   age.secrets =
     let
       secretFile = name: depot.ops.secrets."${name}.age";
-    in {
+    in
+    {
       clbot.file = secretFile "clbot";
       gerrit-queue.file = secretFile "gerrit-queue";
       grafana.file = secretFile "grafana";
@@ -509,15 +517,16 @@ in {
       job_name = "node";
       scrape_interval = "5s";
       static_configs = [{
-        targets = ["localhost:${toString config.services.prometheus.exporters.node.port}"];
+        targets = [ "localhost:${toString config.services.prometheus.exporters.node.port}" ];
       }];
-    } {
-      job_name = "nginx";
-      scrape_interval = "5s";
-      static_configs = [{
-        targets = ["localhost:${toString config.services.prometheus.exporters.nginx.port}"];
+    }
+      {
+        job_name = "nginx";
+        scrape_interval = "5s";
+        static_configs = [{
+          targets = [ "localhost:${toString config.services.prometheus.exporters.nginx.port}" ];
+        }];
       }];
-    }];
   };
 
   services.grafana = {
@@ -526,58 +535,62 @@ in {
     domain = "status.tvl.su";
     rootUrl = "https://status.tvl.su";
     analytics.reporting.enable = false;
-    extraOptions = let
-      options = {
-        auth = {
-          generic_oauth = {
-            enabled = true;
-            client_id = "grafana";
-            scopes = "openid profile email";
-            name = "TVL";
-            email_attribute_path = "mail";
-            login_attribute_path = "sub";
-            name_attribute_path = "displayName";
-            auth_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/auth";
-            token_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/token";
-            api_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/userinfo";
+    extraOptions =
+      let
+        options = {
+          auth = {
+            generic_oauth = {
+              enabled = true;
+              client_id = "grafana";
+              scopes = "openid profile email";
+              name = "TVL";
+              email_attribute_path = "mail";
+              login_attribute_path = "sub";
+              name_attribute_path = "displayName";
+              auth_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/auth";
+              token_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/token";
+              api_url = "https://auth.tvl.fyi/auth/realms/TVL/protocol/openid-connect/userinfo";
 
-            # Give lukegb, grfn, tazjin "Admin" rights.
-            role_attribute_path = "((sub == 'lukegb' || sub == 'grfn' || sub == 'tazjin') && 'Admin') || 'Editor'";
+              # Give lukegb, grfn, tazjin "Admin" rights.
+              role_attribute_path = "((sub == 'lukegb' || sub == 'grfn' || sub == 'tazjin') && 'Admin') || 'Editor'";
 
-            # Allow creating new Grafana accounts from OAuth accounts.
-            allow_sign_up = true;
+              # Allow creating new Grafana accounts from OAuth accounts.
+              allow_sign_up = true;
+            };
+
+            anonymous = {
+              enabled = true;
+              org_name = "The Virus Lounge";
+              org_role = "Viewer";
+            };
+
+            basic.enabled = false;
+            oauth_auto_login = true;
+            disable_login_form = true;
           };
-
-          anonymous = {
-            enabled = true;
-            org_name = "The Virus Lounge";
-            org_role = "Viewer";
-          };
-
-          basic.enabled = false;
-          oauth_auto_login = true;
-          disable_login_form = true;
         };
-      };
-      inherit (builtins) typeOf replaceStrings listToAttrs concatLists;
-      inherit (lib) toUpper mapAttrsToList nameValuePair concatStringsSep;
+        inherit (builtins) typeOf replaceStrings listToAttrs concatLists;
+        inherit (lib) toUpper mapAttrsToList nameValuePair concatStringsSep;
 
-      # Take ["auth" "generic_oauth" "enabled"] and turn it into OPTIONS_GENERIC_OAUTH_ENABLED.
-      encodeName = raw: replaceStrings ["."] ["_"] (toUpper (concatStringsSep "_" raw));
+        # Take ["auth" "generic_oauth" "enabled"] and turn it into OPTIONS_GENERIC_OAUTH_ENABLED.
+        encodeName = raw: replaceStrings [ "." ] [ "_" ] (toUpper (concatStringsSep "_" raw));
 
-      # Turn an option value into a string, but we want bools to be sensible strings and not "1" or "".
-      optionToString = value:
-        if (typeOf value) == "bool" then
-          if value then "true" else "false"
-        else builtins.toString value;
+        # Turn an option value into a string, but we want bools to be sensible strings and not "1" or "".
+        optionToString = value:
+          if (typeOf value) == "bool" then
+            if value then "true" else "false"
+          else builtins.toString value;
 
-      # Turn an nested options attrset into a flat listToAttrs-compatible list.
-      encodeOptions = prefix: inp: concatLists (mapAttrsToList (name: value:
-        if (typeOf value) == "set"
-          then encodeOptions (prefix ++ [name]) value
-          else [ (nameValuePair (encodeName (prefix ++ [name])) (optionToString value)) ]
-        ) inp);
-    in listToAttrs (encodeOptions [] options);
+        # Turn an nested options attrset into a flat listToAttrs-compatible list.
+        encodeOptions = prefix: inp: concatLists (mapAttrsToList
+          (name: value:
+            if (typeOf value) == "set"
+            then encodeOptions (prefix ++ [ name ]) value
+            else [ (nameValuePair (encodeName (prefix ++ [ name ])) (optionToString value)) ]
+          )
+          inp);
+      in
+      listToAttrs (encodeOptions [ ] options);
 
     provision = {
       enable = true;
@@ -623,8 +636,8 @@ in {
 
   security.sudo.extraRules = [
     {
-      groups = ["wheel"];
-      commands = [{ command = "ALL"; options = ["NOPASSWD"]; }];
+      groups = [ "wheel" ];
+      commands = [{ command = "ALL"; options = [ "NOPASSWD" ]; }];
     }
   ];
 
@@ -705,7 +718,7 @@ in {
     };
 
     # Set up a user & group for git shenanigans
-    groups.git = {};
+    groups.git = { };
     users.git = {
       group = "git";
       isSystemUser = true;

ops/modules/atward.nix

@@ -3,7 +3,8 @@
 let
   cfg = config.services.depot.atward;
   description = "atward - (attempt to) cleverly route queries";
-in {
+in
+{
   options.services.depot.atward = {
     enable = lib.mkEnableOption description;
 

ops/modules/auto-deploy.nix

@@ -45,7 +45,8 @@ let
     # NixOS in $STATE_DIRECTORY
     (cd / && ${rebuild-system}/bin/rebuild-system)
   '';
-in {
+in
+{
   options.services.depot.auto-deploy = {
     enable = lib.mkEnableOption description;
 

ops/modules/automatic-gc.nix

@@ -29,7 +29,8 @@ let
       echo "Skipping GC, enough space available"
     fi
   '';
-in {
+in
+{
   options.services.depot.automatic-gc = {
     enable = lib.mkEnableOption description;
 

ops/modules/clbot.nix

@@ -21,7 +21,7 @@ let
       (attrValues (mapAttrs (key: value: "-${key} \"${toString value}\"") flags));
 
   # Escapes a unit name for use in systemd
-  systemdEscape = name: removeSuffix "\n" (readFile (runCommandNoCC "unit-name" {} ''
+  systemdEscape = name: removeSuffix "\n" (readFile (runCommandNoCC "unit-name" { } ''
     ${pkgs.systemd}/bin/systemd-escape '${name}' >> $out
   ''));
 
@@ -42,7 +42,8 @@ let
       };
     };
   };
-in {
+in
+{
   options.services.depot.clbot = {
     enable = mkEnableOption description;
 
@@ -68,7 +69,7 @@ in {
     # (notably the SSH private key) readable by this user outside of
     # the module.
     users = {
-      groups.clbot = {};
+      groups.clbot = { };
 
       users.clbot = {
         group = "clbot";

ops/modules/default.nix

@@ -1,2 +1,2 @@
 # Make readTree happy at this level.
-_: {}
+_: { }

ops/modules/gerrit-queue.nix

@@ -8,7 +8,8 @@ let
     inherit default;
     type = lib.types.str;
   };
-in {
+in
+{
   options.services.depot.gerrit-queue = {
     enable = lib.mkEnableOption description;
     gerritUrl = mkStringOption "https://cl.tvl.fyi";

ops/modules/git-serving.nix

@@ -12,7 +12,8 @@
 
 let
   cfg = config.services.depot.git-serving;
-in {
+in
+{
   options.services.depot.git-serving = with lib; {
     enable = mkEnableOption "Enable cgit & josh configuration";
 

ops/modules/irccat.nix

@@ -27,7 +27,8 @@ let
 
     exec ${depot.third_party.irccat}/bin/irccat
   '';
-in {
+in
+{
   options.services.depot.irccat = {
     enable = lib.mkEnableOption description;
 

ops/modules/monorepo-gerrit.nix

@@ -9,12 +9,13 @@ let
     exec -a ${name} ${depot.ops.besadii}/bin/besadii "$@"
   '';
 
-  gerritHooks = pkgs.runCommandNoCC "gerrit-hooks" {} ''
+  gerritHooks = pkgs.runCommandNoCC "gerrit-hooks" { } ''
     mkdir -p $out
     ln -s ${besadiiWithConfig "change-merged"} $out/change-merged
     ln -s ${besadiiWithConfig "patchset-created"} $out/patchset-created
   '';
-in {
+in
+{
   services.gerrit = {
     enable = true;
     listenAddress = "[::]:4778"; # 4778 - grrt

ops/modules/nixery.nix

@@ -6,7 +6,8 @@ let
   cfg = config.services.depot.nixery;
   description = "Nixery - container images on-demand";
   storagePath = "/var/lib/nixery/${pkgs.nixpkgsCommits.unstable}";
-in {
+in
+{
   options.services.depot.nixery = {
     enable = lib.mkEnableOption description;
 

ops/modules/oauth2_proxy.nix

@@ -19,7 +19,8 @@ let
     reverse_proxy = true
     set_xauthrequest = true
   '';
-in {
+in
+{
   options.services.depot.oauth2_proxy = {
     enable = lib.mkEnableOption description;
 

ops/modules/owothia.nix

@@ -4,7 +4,8 @@
 let
   cfg = config.services.depot.owothia;
   description = "owothia - i'm a service owo";
-in {
+in
+{
   options.services.depot.owothia = {
     enable = lib.mkEnableOption description;
 

ops/modules/panettone.nix

@@ -2,7 +2,8 @@
 
 let
   cfg = config.services.depot.panettone;
-in {
+in
+{
   options.services.depot.panettone = with lib; {
     enable = mkEnableOption "Panettone issue tracker";
 
@@ -62,23 +63,26 @@ in {
       assertion =
         cfg.dbHost != "localhost" || config.services.postgresql.enable;
       message = "Panettone requires a postgresql database";
-    } {
-      assertion =
-        cfg.dbHost != "localhost" || config.services.postgresql.enableTCPIP;
-      message = "Panettone can only connect to the postgresql database over TCP";
-    } {
-      assertion =
-        cfg.dbHost != "localhost" || (lib.any
-          (user: user.name == cfg.dbUser)
-          config.services.postgresql.ensureUsers);
-      message = "Panettone requires a database user";
-    } {
-      assertion =
-        cfg.dbHost != "localhost" || (lib.any
-          (db: db == cfg.dbName)
-          config.services.postgresql.ensureDatabases);
-      message = "Panettone requires a database";
-    }];
+    }
+      {
+        assertion =
+          cfg.dbHost != "localhost" || config.services.postgresql.enableTCPIP;
+        message = "Panettone can only connect to the postgresql database over TCP";
+      }
+      {
+        assertion =
+          cfg.dbHost != "localhost" || (lib.any
+            (user: user.name == cfg.dbUser)
+            config.services.postgresql.ensureUsers);
+        message = "Panettone requires a database user";
+      }
+      {
+        assertion =
+          cfg.dbHost != "localhost" || (lib.any
+            (db: db == cfg.dbName)
+            config.services.postgresql.ensureDatabases);
+        message = "Panettone requires a database";
+      }];
 
     systemd.services.panettone = {
       wantedBy = [ "multi-user.target" ];

ops/modules/paroxysm.nix

@@ -3,7 +3,8 @@
 let
   cfg = config.services.depot.paroxysm;
   description = "TVL's majestic IRC bot";
-in {
+in
+{
   options.services.depot.paroxysm.enable = lib.mkEnableOption description;
 
   config = lib.mkIf cfg.enable {

ops/modules/quassel.nix

@@ -8,7 +8,8 @@ let
     enableDaemon = true;
     withKDE = false;
   };
-in {
+in
+{
   options.services.depot.quassel = with lib; {
     enable = mkEnableOption "Quassel IRC daemon";
 
@@ -70,7 +71,7 @@ in {
         group = "quassel";
       };
 
-      groups.quassel = {};
+      groups.quassel = { };
     };
   };
 }

ops/modules/restic.nix

@@ -14,7 +14,8 @@ let
     inherit default;
     type = lib.types.str;
   };
-in {
+in
+{
   options.services.depot.restic = {
     enable = lib.mkEnableOption description;
     bucketEndpoint = mkStringOption "objects.dc-sto1.glesys.net";

ops/modules/smtprelay.nix

@@ -27,8 +27,9 @@ let
   prepareArgs = args:
     concatStringsSep " "
       (attrValues (mapAttrs (key: value: "-${key} \"${toString value}\"")
-                            (args // overrideArgs)));
-in {
+        (args // overrideArgs)));
+in
+{
   options.services.depot.smtprelay = {
     enable = mkEnableOption description;
 

ops/modules/sourcegraph.nix

@@ -4,7 +4,8 @@
 
 let
   cfg = config.services.depot.sourcegraph;
-in {
+in
+{
   options.services.depot.sourcegraph = with lib; {
     enable = mkEnableOption "SourceGraph code search engine";
 
@@ -51,7 +52,8 @@ in {
       # Sourcegraph needs a higher nofile limit, it logs warnings
       # otherwise (unclear whether it actually affects the service).
       extraOptions = [
-        "--ulimit" "nofile=10000:10000"
+        "--ulimit"
+        "nofile=10000:10000"
       ];
     };
   };

ops/modules/tvl-buildkite.nix

@@ -13,7 +13,7 @@ let
 
   # All Buildkite hooks are actually besadii, but it's being invoked
   # with different names.
-  buildkiteHooks = pkgs.runCommandNoCC "buildkite-hooks" {} ''
+  buildkiteHooks = pkgs.runCommandNoCC "buildkite-hooks" { } ''
     mkdir -p $out/bin
     ln -s ${besadiiWithConfig "post-command"} $out/bin/post-command
   '';
@@ -22,7 +22,8 @@ let
     echo 'username=buildkite'
     echo "password=$(jq -r '.gerritPassword' /run/agenix/buildkite-besadii-config)"
   '';
-in {
+in
+{
   options.services.depot.buildkite = {
     enable = lib.mkEnableOption description;
     agentCount = lib.mkOption {
@@ -33,39 +34,43 @@ in {
 
   config = lib.mkIf cfg.enable {
     # Run the Buildkite agents using the default upstream module.
-    services.buildkite-agents = builtins.listToAttrs (map (n: rec {
-      name = "whitby-${toString n}";
-      value = {
-        inherit name;
-        enable = true;
-        tokenPath = "/run/agenix/buildkite-agent-token";
-        hooks.post-command = "${buildkiteHooks}/bin/post-command";
+    services.buildkite-agents = builtins.listToAttrs (map
+      (n: rec {
+        name = "whitby-${toString n}";
+        value = {
+          inherit name;
+          enable = true;
+          tokenPath = "/run/agenix/buildkite-agent-token";
+          hooks.post-command = "${buildkiteHooks}/bin/post-command";
 
-        runtimePackages = with pkgs; [
-          bash
-          coreutils
-          credentialHelper
-          curl
-          git
-          gnutar
-          gzip
-          jq
-          nix
-        ];
-      };
-    }) agents);
+          runtimePackages = with pkgs; [
+            bash
+            coreutils
+            credentialHelper
+            curl
+            git
+            gnutar
+            gzip
+            jq
+            nix
+          ];
+        };
+      })
+      agents);
 
     # Set up a group for all Buildkite agent users
     users = {
-      groups.buildkite-agents = {};
-      users = builtins.listToAttrs (map (n: rec {
-        name = "buildkite-agent-whitby-${toString n}";
-        value = {
-          isSystemUser = true;
-          group = lib.mkForce "buildkite-agents";
-          extraGroups = [ name "docker" ];
-        };
-      }) agents);
+      groups.buildkite-agents = { };
+      users = builtins.listToAttrs (map
+        (n: rec {
+          name = "buildkite-agent-whitby-${toString n}";
+          value = {
+            isSystemUser = true;
+            group = lib.mkForce "buildkite-agents";
+            extraGroups = [ name "docker" ];
+          };
+        })
+        agents);
     };
   };
 }

ops/modules/tvl-slapd/default.nix

@@ -26,7 +26,8 @@ let
 
   inherit (depot.ops) users;
 
-in {
+in
+{
   services.openldap = {
     enable = true;
 
@@ -48,7 +49,7 @@ in {
 
       "cn=schema".includes =
         map (schema: "${pkgs.openldap}/etc/schema/${schema}.ldif")
-            [ "core" "cosine" "inetorgperson" "nis" ];
+          [ "core" "cosine" "inetorgperson" "nis" ];
     };
 
     # Contents are immutable at runtime, and adding user accounts etc.

ops/pipelines/depot.nix

@@ -16,9 +16,10 @@ let
     drvTargets = depot.ci.targets;
     additionalSteps = [ protoCheck ];
 
-    parentTargetMap = if (externalArgs ? parentTargetMap)
+    parentTargetMap =
+      if (externalArgs ? parentTargetMap)
       then builtins.fromJSON (builtins.readFile externalArgs.parentTargetMap)
-      else {};
+      else { };
 
     postBuildSteps = [
       # After successful builds, create a gcroot for builds on canon.
@@ -40,7 +41,8 @@ let
   };
 
   drvmap = depot.nix.buildkite.mkDrvmap depot.ci.targets;
-in pkgs.runCommandNoCC "depot-pipeline" {} ''
+in
+pkgs.runCommandNoCC "depot-pipeline" { } ''
   mkdir $out
   cp -r ${pipeline}/* $out
   cp ${drvmap} $out/drvmap.json

ops/secrets/mkSecrets.nix

@@ -22,6 +22,6 @@ in
 
 defun [ path (attrs agenixSecret) (attrs any) ]
   (path: secrets:
-    depot.nix.readTree.drvTargets
-      # Import each secret into the Nix store
-      (builtins.mapAttrs (name: _: "${path}/${name}") secrets))
+  depot.nix.readTree.drvTargets
+    # Import each secret into the Nix store
+    (builtins.mapAttrs (name: _: "${path}/${name}") secrets))

ops/secrets/secrets.nix

@@ -15,7 +15,8 @@ let
   whitby = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILNh/w4BSKov0jdz3gKBc98tpoLta5bb87fQXWBhAl2I";
 
   default.publicKeys = tazjin ++ grfn ++ sterni ++ [ whitby ];
-in {
+in
+{
   "besadii.age" = default;
   "buildkite-agent-token.age" = default;
   "buildkite-graphql-token.age" = default;

third_party/abseil_cpp/default.nix

@@ -8,7 +8,7 @@ in pkgs.abseil-cpp.override {
 
 /* TODO(tazjin): update abseil subtree
 
-fullLlvm11Stdenv.mkDerivation rec {
+  fullLlvm11Stdenv.mkDerivation rec {
   pname = "abseil-cpp";
   version = "20200519-768eb2ca+tvl-1";
   src = ./.;
@@ -17,15 +17,15 @@ fullLlvm11Stdenv.mkDerivation rec {
   # doCheck = true;
 
   cmakeFlags = [
-    "-DCMAKE_CXX_STANDARD=17"
-    #"-DABSL_RUN_TESTS=1"
+  "-DCMAKE_CXX_STANDARD=17"
+  #"-DABSL_RUN_TESTS=1"
   ];
 
   meta = with lib; {
-    description = "An open-source collection of C++ code designed to augment the C++ standard library";
-    homepage = https://abseil.io/;
-    license = licenses.asl20;
-    maintainers = [ maintainers.andersk ];
+  description = "An open-source collection of C++ code designed to augment the C++ standard library";
+  homepage = https://abseil.io/;
+  license = licenses.asl20;
+  maintainers = [ maintainers.andersk ];
   };
-}
+  }
 */

third_party/agenix/default.nix

@@ -9,7 +9,8 @@ let
   agenix = import src {
     inherit pkgs;
   };
-in {
+in
+{
   inherit src;
   cli = agenix.agenix;
 }

third_party/arion/default.nix

@@ -1,8 +1,10 @@
 { pkgs, ... }:
 
-(import (pkgs.fetchFromGitHub {
-  owner = "hercules-ci";
-  repo = "arion";
-  rev = "db6d4d7490dff363de60cebbece3ae9361e3ce43";
-  sha256 = "0d8nqmc7fjshigax2g47ips262v8ml27x0ksq59kmprgb7ckzi5l";
-}) { inherit pkgs; }).arion
+(import
+  (pkgs.fetchFromGitHub {
+    owner = "hercules-ci";
+    repo = "arion";
+    rev = "db6d4d7490dff363de60cebbece3ae9361e3ce43";
+    sha256 = "0d8nqmc7fjshigax2g47ips262v8ml27x0ksq59kmprgb7ckzi5l";
+  })
+  { inherit pkgs; }).arion

third_party/bat_syntaxes/default.nix

@@ -8,7 +8,8 @@
 
 let
   inherit (pkgs) bat runCommandNoCC;
-in runCommandNoCC "bat-syntaxes.bin" {} ''
+in
+runCommandNoCC "bat-syntaxes.bin" { } ''
   export HOME=$PWD
   mkdir -p .config/bat/syntaxes
   cp ${./Prolog.sublime-syntax} .config/bat/syntaxes

third_party/cgit/default.nix

@@ -2,7 +2,8 @@
 
 let
   inherit (pkgs) stdenv gzip bzip2 xz luajit zlib autoconf openssl pkgconfig;
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "cgit";
   version = "master";
   src = ./.;

third_party/clj2nix/default.nix

@@ -5,4 +5,5 @@ pkgs.callPackage "${(pkgs.fetchFromGitHub {
   repo = "clj2nix";
   rev = "3d0a38c954c8e0926f57de1d80d357df05fc2f94";
   sha256 = "0y77b988qdgsrp4w72v1f5rrh33awbps2qdgp2wr2nmmi44541w5";
-})}/clj2nix.nix" {}
+})}/clj2nix.nix"
+{ }

third_party/default.nix

@@ -24,32 +24,33 @@
   # be able to pass `specialArgs`. We depend on this because `depot`
   # needs to be partially evaluated in NixOS configuration before
   # module imports are resolved.
-  nixos = {
-    configuration,
-    specialArgs ? {},
-    system ? builtins.currentSystem,
-    ...
-  }:
-  let
-    eval = import "${pkgs.path}/nixos/lib/eval-config.nix" {
-      inherit specialArgs system;
-      modules = [
-        configuration
-        (import "${depot.path + "/ops/modules/default-imports.nix"}")
-      ];
-    };
+  nixos =
+    { configuration
+    , specialArgs ? { }
+    , system ? builtins.currentSystem
+    , ...
+    }:
+    let
+      eval = import "${pkgs.path}/nixos/lib/eval-config.nix" {
+        inherit specialArgs system;
+        modules = [
+          configuration
+          (import "${depot.path + "/ops/modules/default-imports.nix"}")
+        ];
+      };
 
-    # This is for `nixos-rebuild build-vm'.
-    vmConfig = (import "${pkgs.path}/nixos/lib/eval-config.nix" {
-      inherit specialArgs system;
-      modules = [
-        configuration
-        "${pkgs.path}/nixos/modules/virtualisation/qemu-vm.nix"
-      ];
-    }).config;
-  in {
-    inherit (eval) pkgs config options;
-    system = eval.config.system.build.toplevel;
-    vm = vmConfig.system.build.vm;
-  };
+      # This is for `nixos-rebuild build-vm'.
+      vmConfig = (import "${pkgs.path}/nixos/lib/eval-config.nix" {
+        inherit specialArgs system;
+        modules = [
+          configuration
+          "${pkgs.path}/nixos/modules/virtualisation/qemu-vm.nix"
+        ];
+      }).config;
+    in
+    {
+      inherit (eval) pkgs config options;
+      system = eval.config.system.build.toplevel;
+      vm = vmConfig.system.build.vm;
+    };
 }

third_party/dhall/default.nix

@@ -5,11 +5,14 @@ let
   # broken most of the time. The binaries are also fully static
   # builds, instead of the half-static crap that nixpkgs produces.
   easy-dhall-nix =
-    import (builtins.fetchTarball {
-      url = "https://github.com/justinwoo/easy-dhall-nix/archive/eae7f64c4d6c70681e5a56c84198236930ba425e.tar.gz";
-      sha256 = "1y2x15v8a679vlpxazjpibfwajp6zph60f8wjcm4xflbvazk0dx7";
-    }) { inherit pkgs; };
-in {
+    import
+      (builtins.fetchTarball {
+        url = "https://github.com/justinwoo/easy-dhall-nix/archive/eae7f64c4d6c70681e5a56c84198236930ba425e.tar.gz";
+        sha256 = "1y2x15v8a679vlpxazjpibfwajp6zph60f8wjcm4xflbvazk0dx7";
+      })
+      { inherit pkgs; };
+in
+{
   dhall = easy-dhall-nix.dhall-simple;
   dhall-bash = easy-dhall-nix.dhall-bash-simple;
   dhall-docs = easy-dhall-nix.dhall-docs-simple;

third_party/elmPackages_0_18/default.nix

@@ -7,9 +7,11 @@
 
 { pkgs, ... }:
 
-(import (pkgs.fetchFromGitHub {
-  owner = "NixOS";
-  repo = "nixpkgs";
-  rev = "14f9ee66e63077539252f8b4550049381a082518";
-  sha256 = "1wn7nmb1cqfk2j91l3rwc6yhimfkzxprb8wknw5wi57yhq9m6lv1";
-}) {}).elmPackages
+(import
+  (pkgs.fetchFromGitHub {
+    owner = "NixOS";
+    repo = "nixpkgs";
+    rev = "14f9ee66e63077539252f8b4550049381a082518";
+    sha256 = "1wn7nmb1cqfk2j91l3rwc6yhimfkzxprb8wknw5wi57yhq9m6lv1";
+  })
+  { }).elmPackages

third_party/gerrit_plugins/builder.nix

@@ -1,33 +1,35 @@
 { depot, pkgs, ... }:
 {
-  buildGerritBazelPlugin = {
-    name,
-    src,
-    depsOutputHash,
-    overlayPluginCmd ? ''
-      cp -R "${src}" "$out/plugins/${name}"
-    '',
-    postPatch ? "",
-  }: ((depot.third_party.gerrit.override {
-    name = "${name}.jar";
+  buildGerritBazelPlugin =
+    { name
+    , src
+    , depsOutputHash
+    , overlayPluginCmd ? ''
+        cp -R "${src}" "$out/plugins/${name}"
+      ''
+    , postPatch ? ""
+    ,
+    }: ((depot.third_party.gerrit.override {
+      name = "${name}.jar";
 
-    src = pkgs.runCommandLocal "${name}-src" {} ''
-      cp -R "${depot.third_party.gerrit.src}" "$out"
-      chmod +w "$out/plugins"
-      ${overlayPluginCmd}
-    '';
+      src = pkgs.runCommandLocal "${name}-src" { } ''
+        cp -R "${depot.third_party.gerrit.src}" "$out"
+        chmod +w "$out/plugins"
+        ${overlayPluginCmd}
+      '';
 
-    bazelTarget = "//plugins/${name}";
-  }).overrideAttrs (super: {
-    deps = super.deps.overrideAttrs (superDeps: {
-      outputHash = depsOutputHash;
-    });
-    installPhase = ''
-      cp "bazel-bin/plugins/${name}/${name}.jar" "$out"
-    '';
-    postPatch = if super ? postPatch then ''
-      ${super.postPatch}
-      ${postPatch}
-    '' else postPatch;
-  }));
+      bazelTarget = "//plugins/${name}";
+    }).overrideAttrs (super: {
+      deps = super.deps.overrideAttrs (superDeps: {
+        outputHash = depsOutputHash;
+      });
+      installPhase = ''
+        cp "bazel-bin/plugins/${name}/${name}.jar" "$out"
+      '';
+      postPatch =
+        if super ? postPatch then ''
+          ${super.postPatch}
+          ${postPatch}
+        '' else postPatch;
+    }));
 }

third_party/gerrit_plugins/default.nix

@@ -2,7 +2,8 @@
 
 let
   inherit (import ./builder.nix args) buildGerritBazelPlugin;
-in depot.nix.readTree.drvTargets {
+in
+depot.nix.readTree.drvTargets {
   # https://gerrit.googlesource.com/plugins/owners
   owners = buildGerritBazelPlugin rec {
     name = "owners";

third_party/gerrit_plugins/oauth/default.nix

@@ -2,7 +2,8 @@
 
 let
   inherit (import ../builder.nix args) buildGerritBazelPlugin;
-in buildGerritBazelPlugin rec {
+in
+buildGerritBazelPlugin rec {
   name = "oauth";
   depsOutputHash = "sha256:0j86amkw54y177s522hc988hqg034fsrkywbsb9a7h14zwcqbran";
   src = pkgs.fetchgit {

third_party/git/default.nix

@@ -2,8 +2,8 @@
 # `pkgs.srcOnly`.
 { pkgs, ... }:
 
-pkgs.git.overrideAttrs(old: {
-  patches = (old.patches or []) ++ [
+pkgs.git.overrideAttrs (old: {
+  patches = (old.patches or [ ]) ++ [
     ./0001-feat-third_party-git-date-add-dottime-format.patch
   ];
 })

third_party/gitignoreSource/default.nix

@@ -1,14 +1,17 @@
 { pkgs, ... }:
 
 let
-  gitignoreNix = import (pkgs.fetchFromGitHub {
-    owner = "hercules-ci";
-    repo = "gitignore";
-    rev = "f9e996052b5af4032fe6150bba4a6fe4f7b9d698";
-    sha256 = "0jrh5ghisaqdd0vldbywags20m2cxpkbbk5jjjmwaw0gr8nhsafv";
-  }) { inherit (pkgs) lib; };
+  gitignoreNix = import
+    (pkgs.fetchFromGitHub {
+      owner = "hercules-ci";
+      repo = "gitignore";
+      rev = "f9e996052b5af4032fe6150bba4a6fe4f7b9d698";
+      sha256 = "0jrh5ghisaqdd0vldbywags20m2cxpkbbk5jjjmwaw0gr8nhsafv";
+    })
+    { inherit (pkgs) lib; };
 
-in {
+in
+{
   __functor = _: gitignoreNix.gitignoreSource;
 
   # expose extra functions here

third_party/gopkgs/github.com/charmbracelet/bubbletea/default.nix

@@ -3,15 +3,17 @@
 depot.nix.buildGo.external {
   path = "github.com/charmbracelet/bubbletea";
   src =
-    let gitSrc = pkgs.fetchFromGitHub {
+    let
+      gitSrc = pkgs.fetchFromGitHub {
         owner = "charmbracelet";
         repo = "bubbletea";
         rev = "v0.13.1";
         sha256 = "0yf2fjkvx8ym9n6f3qp2z7sxs0qsfpj148sfvbrp38k67s3h20cs";
       };
-    # The examples/ directory is fairly extensive,
-    # but it also adds most of the dependencies.
-    in pkgs.runCommand gitSrc.name {} ''
+      # The examples/ directory is fairly extensive,
+      # but it also adds most of the dependencies.
+    in
+    pkgs.runCommand gitSrc.name { } ''
       mkdir -p $out
       ln -s "${gitSrc}"/* $out
       rm -r $out/examples

third_party/grpc/default.nix

@@ -5,7 +5,7 @@
   stdenv = pkgs.fullLlvm11Stdenv;
   abseil-cpp = depot.third_party.abseil_cpp;
   re2 = depot.third_party.re2;
-}).overrideAttrs(orig: rec {
+}).overrideAttrs (orig: rec {
   cmakeFlags = orig.cmakeFlags ++ [
     "-DCMAKE_CXX_STANDARD_REQUIRED=ON"
     "-DCMAKE_CXX_STANDARD=17"

third_party/gtest/default.nix

@@ -2,7 +2,7 @@
 
 (pkgs.gtest.override {
   stdenv = pkgs.fullLlvm11Stdenv;
-}).overrideAttrs(_: {
+}).overrideAttrs (_: {
   src = pkgs.fetchFromGitHub {
     owner = "google";
     repo = "googletest";

third_party/josh/default.nix

@@ -8,7 +8,8 @@ let
     rev = "69dc986e506ba5631c8bbf52835da076a18ec8dc";
     hash = "sha256:0ybc6ivjkm7bchaszs9lhbl1gbjnyhwq7a3vw6jml3ama84l52lb";
   };
-in depot.third_party.naersk.buildPackage {
+in
+depot.third_party.naersk.buildPackage {
   inherit src;
 
   buildInputs = with pkgs; [
@@ -18,8 +19,11 @@ in depot.third_party.naersk.buildPackage {
   ];
 
   cargoBuildOptions = x: x ++ [
-    "-p" "josh"
-    "-p" "josh-proxy"
-    "-p" "josh-ui"
+    "-p"
+    "josh"
+    "-p"
+    "josh-proxy"
+    "-p"
+    "josh-ui"
   ];
 }

third_party/lisp/bordeaux-threads.nix

@@ -5,7 +5,8 @@
 let
   src = with pkgs; srcOnly lispPackages.bordeaux-threads;
   getSrc = f: "${src}/src/${f}";
-in depot.nix.buildLisp.library {
+in
+depot.nix.buildLisp.library {
   name = "bordeaux-threads";
   deps = [ depot.third_party.lisp.alexandria ];