convert anoia.fs to use lualinux

modules/dhcp6c/acquire-delegated-prefix.nix

@@ -3,8 +3,9 @@
 , linotify
 , anoia
 , lua
+, lualinux
 }:
 writeFennel "acquire-delegated-prefix" {
-  packages = [ linotify anoia lua.pkgs.luafilesystem ];
+  packages = [ linotify anoia lualinux ];
   mainFunction = "run";
 } ./acquire-delegated-prefix.fnl

modules/dhcp6c/acquire-wan-address.nix

@@ -2,9 +2,10 @@
   writeFennel
 , linotify
 , anoia
+, lualinux
 , lua
 }:
 writeFennel "acquire-wan-address" {
-  packages = [ linotify anoia lua.pkgs.luafilesystem ];
+  packages = [ linotify anoia lualinux ];
   mainFunction = "run";
 } ./acquire-wan-address.fnl

pkgs/anoia/Makefile

@@ -2,7 +2,9 @@
 default: fs.lua init.lua nl.lua svc.lua
 
 test:
+	ln -s . anoia
 	fennel test.fnl
+	fennel test-svc.fnl
 
 %.lua: %.fnl
 	fennel --compile $< > $@

pkgs/anoia/default.nix

@@ -1,6 +1,7 @@
 {
   fennel
 , stdenv
+, linotify
 , lua
 , lualinux
 }:
@@ -10,7 +11,7 @@ in stdenv.mkDerivation {
   version = "0.1";
   src = ./.;
   nativeBuildInputs = [ fennel ];
-  buildInputs = with lua.pkgs; [ luafilesystem lualinux ];
+  buildInputs = with lua.pkgs; [ linotify lualinux ];
   outputs = [ "out" "dev" ];
 
   doCheck = true;

pkgs/anoia/fs.fnl

@@ -11,9 +11,20 @@
 
 (fn ifmt-bits [mode] (and mode (band mode 0xf000)))
 
+(fn file-type [pathname]
+  (. {
+      S_IFDIR :directory
+      S_IFSOCK :socket
+      S_IFLNK :link
+      S_IFREG :file
+      S_IFBLK :block-device
+      S_IFCHR :character-device
+      S_IFIFO :fifo
+      }
+     (ifmt-bits (ll.lstat3 pathname))))
+
 (fn directory? [pathname]
-  (let [(mode size mtime) (ll.lstat3 pathname)]
-    (= (ifmt-bits mode) S_IFDIR)))
+  (= (file-type pathname) :directory))
 
 (fn mktree [pathname]
   (if (or (= pathname "") (= pathname "/"))
@@ -24,18 +35,25 @@
         (or (directory? parent) (mktree parent))
         (assert (ll.mkdir pathname)))))
 
+(fn dir [name]
+  (let [dp (assert (ll.opendir name) name)]
+    (fn []
+      (match (ll.readdir dp)
+        (name type) (values name type)
+        (nil err) (do (if err (print err)) (ll.closedir dp) nil)))))
+
 (fn rmtree [pathname]
-  (case (ifmt-bits (ll.lstat3 pathname))
+  (case (file-type pathname)
     nil true
-    S_IFDIR
+    :directory
     (do
-      (each [f (lfs.dir pathname)]
+      (each [f (dir pathname)]
         (when (not (or (= f ".") (= f "..")))
           (rmtree ( .. pathname "/" f)))
-        (lfs.rmdir pathname)))
-    S_IFREG
+        (ll.rmdir pathname)))
+    :file
     (os.remove pathname)
-    S_IFLNK
+    :link
     (os.remove pathname)
     unknown
     (error (.. "can't remove " pathname " of mode \"" unknown "\""))))
@@ -45,5 +63,7 @@
  : mktree
  : rmtree
  : directory?
+ : dir
+ : file-type
  :symlink (fn [from to] (ll.symlink from to))
  }

pkgs/anoia/svc.fnl

@@ -1,7 +1,6 @@
 (local inotify (require :inotify))
 (local { : file-exists? } (require :anoia))
-(local { : directory? } (require :anoia.fs))
-(local lfs (require :lfs))
+(local { : file-type : dir &as fs } (require :anoia.fs))
 
 (fn read-line [name]
   (with-open [f (assert (io.open name :r) (.. "can't open file " name))]
@@ -20,15 +19,15 @@
     handle))
 
 (fn read-value [pathname]
-  (case (lfs.symlinkattributes pathname)
+  (case (file-type pathname)
     nil nil
-    {:mode "directory"}
-    (collect [f (lfs.dir pathname)]
+    :directory
+    (collect [f (fs.dir pathname)]
       (when (not (or (= f ".") (= f "..")))
         (values f (read-value ( .. pathname "/" f)))))
-    {:mode "file"}
+    :file
     (read-line pathname)
-    {:mode "link"}
+    :link
     (read-line pathname)
     unknown
     (error (.. "can't read " pathname " of kind \"" unknown.mode "\""))))

pkgs/anoia/test-svc.fnl

@@ -1,4 +1,4 @@
-(local svc (require :anoia.svc))
+(local svc (require :svc))
 (local { : view } (require :fennel))
 
 (local ex (svc.open "./example-output"))

pkgs/devout/default.nix

@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   installPhase = ''
     mkdir -p $out/bin
     cp -p ${writeFennel "devout" {
-      packages = [fennel anoia nellie lua.pkgs.luafilesystem lualinux];
+      packages = [fennel anoia nellie lualinux];
       mainFunction = "run";
     } ./devout.fnl} $out/bin/devout
   '';

pkgs/fennelrepl/default.nix

@@ -19,7 +19,6 @@ let packages = [
       lualinux
       netlink-lua
       lua.pkgs.readline
-      lua.pkgs.luafilesystem
     ];
     join = ps: builtins.concatStringsSep ";" ps;
     luapath = join (builtins.map (f: