Only read overlays ending in .nix

For example, this prevents Nix from barfing on editor backup files in ~/.nixpkgs/overlays.
2017-02-01 16:07:54 +01:00
parent 05ee54782e
commit 86fe7a40ac
1 changed files with 3 additions and 1 deletions
@@ -29,7 +29,9 @@
      dirCheck = dir: dir != "" && pathExists (dir + "/.");
      overlays = dir:
        let content = readDir dir; in
-        map (n: import "${dir}/${n}") (sort lessThan (attrNames content));
+        map (n: import "${dir}/${n}")
+          (builtins.filter (n: builtins.match ".*\.nix" n != null)
+            (sort lessThan (attrNames content)));
    in
      if dirEnv != "" then
        if dirCheck dirEnv then overlays dirEnv