chore: initial commit

lib/modules/cocogitto.nix

@@ -0,0 +1,59 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkOption mkIf types;
+  cfg = config.cocogitto;
+
+  # we need a newer version than in nixpkgs, since the PR which adds `--config`
+  # didn't land in a release yet
+  cocogitto = pkgs.cocogitto.overrideAttrs (_prev: {
+    version = "2025-09-11";
+    src = pkgs.fetchFromGitHub {
+      owner = "oknozor";
+      repo = "cocogitto";
+      rev = "031cc238cb3e3e8aa3a525c1df089c3e70020efc";
+      hash = "sha256-fyhugacBLJPMqHWxoxBTFhIE3wHDB9xdrqJYzJc36I0=";
+    };
+  });
+
+  configFile = (pkgs.formats.toml {}).generate "cog.toml" cfg.config;
+  cogAlias = pkgs.writeTextFile {
+    name = "cog-alias";
+    destination = "/bin/${cfg.alias}";
+    executable = true;
+    text =
+      # sh
+      ''
+        ${cocogitto}/bin/cog --config "${configFile}" ''${@:1}
+      '';
+  };
+in {
+  options.cocogitto = {
+    enable =
+      mkEnableOption "Cocogitto"
+      // {
+        default = cfg.config != {};
+      };
+    alias = mkOption {
+      type = types.str;
+      default = "cog";
+      description = ''
+        Alias for `cog`.
+      '';
+    };
+    config = mkOption {
+      type = types.attrs;
+      default = {};
+      description = ''
+        Configure cocogitto here.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    packages = [cogAlias];
+  };
+}