1 files changed, 25 insertions, 0 deletions
diff --git a/old/modules/common/nixpkgs.nix b/old/modules/common/nixpkgs.nix
new file mode 100644
index 00000000..486cf020
--- /dev/null
+++ b/old/modules/common/nixpkgs.nix
@@ -0,0 +1,25 @@
+{ lib, ... }:
+
+with lib;
+
+{
+  options = {
+    nixpkgs.url = mkOption {
+      type = types.str;
+      description = "URL of the nixpkgs repository.";
+    };
+    nixpkgs.rev = mkOption {
+      type = types.str;
+      default = "origin/master";
+      description = "Revision of the remote repository.";
+    };
+    nixpkgs.dirty = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        If nixpkgs.url is a local path, then use that as it is.
+        TODO this break if URL is not a local path.
+      '';
+    };
+  };
+}