feat: Add git-hooks.nix

.flake8

@@ -8,14 +8,3 @@ ignore =
   E731,
   # line break before binary operator (not PEP8-compliant)
   W503
-
-[isort]
-# For black compat: https://github.com/ambv/black#how-black-wraps-lines
-combine_as_imports = true
-default_section = THIRDPARTY
-force_grid_wrap = 0
-include_trailing_comma = true
-known_first_party = bda,bds,clubs,cof,events,gestioncof,kfet,petitscours,shared
-line_length = 88
-multi_line_output = 3
-sections = FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER

.forgejo/workflows/pre-commit.yaml

@@ -0,0 +1,15 @@
+jobs:
+  pre-commit:
+    runs-on: nix
+    steps:
+    - uses: actions/checkout@v3
+    - name: Check stage pre-commit
+      run: nix-shell -A pre-commit --run 'pre-commit run --all-files --hook-stage
+        pre-commit --show-diff-on-failure'
+    - name: Check stage pre-push
+      run: nix-shell -A pre-commit --run 'pre-commit run --all-files --hook-stage
+        pre-push --show-diff-on-failure'
+name: Run pre-commit on all files
+'on':
+- push
+- pull_request

.gitignore

@@ -21,3 +21,4 @@ media/
 # VSCode
 .vscode/
 .direnv
+.pre-commit-config.yaml

default.nix

@@ -7,7 +7,13 @@ let
   ###
   # Pkgs configuration
 
-  inherit (pkgs.lib) mapAttrs' nameValuePair removeSuffix;
+  inherit (pkgs.lib)
+    genAttrs
+    mapAttrs
+    mapAttrs'
+    nameValuePair
+    removeSuffix
+    ;
 
   nix-pkgs = import sources.nix-pkgs { inherit pkgs; };
   kat-pkgs = import sources.kat-pkgs { inherit pkgs; };
@@ -50,11 +56,20 @@ let
       )
     ) (builtins.readDir ./workflows);
   };
+
+  git-hooks = (import sources.git-hooks).run {
+    src = ./.;
+
+    hooks = genAttrs [ "black" "isort" "commitizen" ] (_: {
+      enable = true;
+    });
+  };
 in
 
 {
   devShell = pkgs.mkShell {
     shellHook = ''
+      ${git-hooks.shellHook}
       ${workflows.shellHook}
       if [ ! -d .static ]; then
         mkdir .static
@@ -104,6 +119,12 @@ in
         ]
       ))
       pkgs.npins
-    ];
+    ] ++ git-hooks.enabledPackages;
+
+    passthru = mapAttrs (name: value: pkgs.mkShell (value // { inherit name; })) {
+      pre-commit.shellHook = git-hooks.shellHook;
     };
+  };
+
+  preferLocalBuild = true;
 }

npins/sources.json

@@ -1,5 +1,17 @@
 {
   "pins": {
+    "git-hooks": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "cachix",
+        "repo": "git-hooks.nix"
+      },
+      "branch": "master",
+      "revision": "a5a961387e75ae44cc20f0a57ae463da5e959656",
+      "url": "https://github.com/cachix/git-hooks.nix/archive/a5a961387e75ae44cc20f0a57ae463da5e959656.tar.gz",
+      "hash": "0pfpiz3z2l5l3h9ml1z75zn11jbq2qhb1ph8jn277ds6x8dl0mnw"
+    },
     "kat-pkgs": {
       "type": "Git",
       "repository": {

workflows/pre-commit.nix

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+{ ... }:
+
+{
+  name = "Run pre-commit on all files";
+  on = [
+    "push"
+    "pull_request"
+  ];
+
+  jobs.pre-commit = {
+    runs-on = "nix";
+    steps =
+      [ { uses = "actions/checkout@v3"; } ]
+      ++ (builtins.map
+        (stage: {
+          name = "Check stage ${stage}";
+          run = "nix-shell -A pre-commit --run 'pre-commit run --all-files --hook-stage ${stage} --show-diff-on-failure'";
+        })
+        [
+          "pre-commit"
+          "pre-push"
+        ]
+      );
+  };
+}