trivionomicon/modules/nix-registry: initial commit

1 files changed, 23 insertions, 0 deletions

diff --git a/modules/nix-registry/hm.nix b/modules/nix-registry/hm.nix
new file mode 100644
index 0000000..1c57e95
--- /dev/null
+++ b/modules/nix-registry/hm.nix
@@ -0,0 +1,23 @@
+{
+  pkgs,
+  lib,
+  cfg,
+  flakes,
+  ...
+}: let
+  registryName = name:
+    if name == "self"
+    then cfg.renameSelf
+    else name;
+
+  registryFilter = {
+    nixpkgs = true;
+    unstable = true;
+    self = cfg.renameSelf != null;
+  };
+in {
+  nix.registry =
+    lib.mapAttrs'
+    (name: value: lib.nameValuePair (registryName name) {flake = value;})
+    (lib.filterAttrs (name: _: registryFilter.${name} or cfg.allInputs) flakes);
+}