Add meta.maintainers option

1 files changed, 54 insertions, 0 deletions

diff --git a/modules/meta.nix b/modules/meta.nix
new file mode 100644
index 0000000..4ce0efc
--- /dev/null
+++ b/modules/meta.nix
@@ -0,0 +1,54 @@
+# This module was derived from
+# https://github.com/NixOS/nixpkgs/blob/000387627d26f245a6d9a0a7a60b7feddecaeec0/nixos/modules/misc/meta.nix
+{ lib, ... }:
+
+with lib;
+
+let
+  maintainer = mkOptionType {
+    name = "maintainer";
+    check = email: elem email (attrValues lib.maintainers);
+    merge = loc: defs: listToAttrs (singleton (nameValuePair (last defs).file (last defs).value));
+  };
+
+  listOfMaintainers = types.listOf maintainer // {
+    # Returns list of
+    #   { "module-file" = [
+    #        "maintainer1 <first@nixos.org>"
+    #        "maintainer2 <second@nixos.org>" ];
+    #   }
+    merge = loc: defs:
+      zipAttrs
+        (flatten (imap1 (n: def: imap1 (m: def':
+          maintainer.merge (loc ++ ["[${toString n}-${toString m}]"])
+            [{ inherit (def) file; value = def'; }]) def.value) defs));
+  };
+
+in
+
+{
+  options = {
+    meta = {
+
+      maintainers = mkOption {
+        type = listOfMaintainers;
+        internal = true;
+        default = [];
+        example = [ lib.maintainers.all ];
+        description = ''
+          List of maintainers of each module.  This option should be defined at
+          most once per module.
+
+          NOTE: <literal>lib</literal> comes from Nixpkgs, which can go out of
+          sync with nix-darwin. For this reason, use definitions like
+          <literal>maintainers.alice or "alice"</literal>.
+        '';
+      };
+
+    };
+  };
+
+  meta.maintainers = [
+    maintainers.roberth or "roberth"
+  ];
+}