feat: add gitbutler

modules/programs/gitbutler/default.nix

@@ -0,0 +1,24 @@
+{ config
+, pkgs
+, lib
+, ...
+}:
+
+let
+  inherit (lib) mkEnableOption mkIf mkOption types;
+
+  cfg = config.my.programs.gitbutler;
+in
+{
+  options.my.programs.gitbutler = {
+    enable = mkEnableOption "gitbutler";
+    package = mkOption {
+      default = pkgs.callPackage ./package.nix { };
+      type = types.package;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ cfg.package ];
+  };
+}

modules/programs/gitbutler/package.nix

@@ -0,0 +1,16 @@
+{ fetchzip, appimageTools }:
+
+let
+  pname = "git-butler";
+  version = "0.12.4";
+  buildNum = "994";
+
+  srcZipped = fetchzip {
+    url = "https://releases.gitbutler.com/releases/release/${version}-${buildNum}/linux/x86_64/git-butler_${version}_amd64.AppImage.tar.gz";
+    hash = "sha256-+QP+H0bVSLbobv/W6lFBbl08RnwKvG8BVo68bwMrAzM=";
+  };
+in
+appimageTools.wrapType2 {
+  inherit pname version;
+  src = "${srcZipped}/git-butler_${version}_amd64.AppImage";
+}