Generate the module-list.nix which index all valid modules.

Non-valid modules are commented inside the generated list.

Move module paths which are not the module directory into the legacy.nix file.

svn path=/nixos/branches/modular-nixos/; revision=15751

maintainers/scripts/gen-module-list.sh

@@ -0,0 +1,55 @@
+#!/bin/sh
+
+prog=$0
+
+usage(){
+  echo 1>&2 "
+$prog module-dir
+
+This script generate the index file inside the module directory.
+"
+  exit 1
+}
+
+: ${NIXPKGS=/etc/nixos/nixpkgs}
+
+is_module(){
+  local file=$1
+  echo "
+    let
+      appIfFun = f: x: if builtins.isFunction f then f x else f;
+    in
+      builtins.isAttrs (
+        appIfFun (import $file) {
+          pkgs = (import $NIXPKGS) {};
+          config = {};
+          dummy = 42;
+        }
+      )
+  " | nix-instantiate - --eval-only
+}
+
+generate_index(){
+  local path="$1"
+  cd "$path"
+  echo -n "$path: " 1>&2
+  { echo "[ # This file have been generated by $(basename $prog)";
+    for file in : $(find ./ -wholename '*.impl[./]*' -or -wholename './module-list.nix' -or -type f -name '*.nix' -print); do
+       [ "$file" = ':' ] && continue;
+       echo -n . 1>&2
+       if test "$(is_module "$file" 2> /dev/null)" = "Bool(True)"; then
+         echo "  $file"
+       else
+         echo "##### $file"
+         is_module "$file" 2>&1 | sed 's/^/# /'
+       fi
+    done
+    echo ']';
+  } > ./module-list.nix
+  echo 1>&2
+  cd - > /dev/null
+}
+
+[ $# -eq 1 ] || usage;
+
+generate_index "$1"