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packages/overlays: use builtins.readDir for dynamic package discovery

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Instead of manually listing packages, the overlay now reads the
packages/ directory and automatically includes all .nix files
(except overlays.nix itself) as overlay attributes.

This makes adding new packages simpler - just add the file and it
will automatically be included in the overlay.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
William 2026-02-07 08:08:59 -03:00
parent 29f7621d42
commit 124d414359
1 changed files with 18 additions and 8 deletions
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26
packages/overlays.nix
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@ -1,12 +1,22 @@
{ inputs, ... }:
let
packageDir = builtins.readDir ./.;
# Filter to .nix files, excluding overlays.nix
isPackageFile = name:
name != "overlays.nix" && builtins.match ".*\\.nix$" name != null;
# Extract package name from filename (e.g., "foo-bar.nix" -> "foo-bar")
toPackageName = filename:
builtins.head (builtins.match "(.+)\\.nix$" filename);
packageNames = map toPackageName (builtins.filter isPackageFile (builtins.attrNames packageDir));
in
{
flake.overlays.default = final: prev: {
base16-schemes = inputs.self.packages.${final.system}.base16-schemes;
claude-desktop = inputs.self.packages.${final.system}.claude-desktop;
fastfetch = inputs.self.packages.${final.system}.fastfetch;
hm-cli = inputs.self.packages.${final.system}.hm-cli;
kwrite = inputs.self.packages.${final.system}.kwrite;
toggleaudiosink = inputs.self.packages.${final.system}.toggleaudiosink;
};
flake.overlays.default = final: prev:
builtins.listToAttrs (map (name: {
inherit name;
value = inputs.self.packages.${final.system}.${name};
}) packageNames);
}