gitUpdater: init

- Add the 'gitUpdater' helper function to update git based packages, using the
'genericUpdater' function.
- Rework argument passing to the `list-git-tags' and 'list-archive-two-level-versions' scripts.
- Replace 'genericUpdater' plus 'list-git-tags' by 'gitUpdater'

2 files changed, 4 insertions, 1 deletions

diff --git a/pkgs/data/fonts/iosevka/update-default.sh b/pkgs/data/fonts/iosevka/update-default.sh
index 208ea6101ac2..8d918058988a 100755
--- a/pkgs/data/fonts/iosevka/update-default.sh
+++ b/pkgs/data/fonts/iosevka/update-default.sh
@@ -8,7 +8,7 @@ repo=https://github.com/be5invis/Iosevka
 
 # Discover the latest version.
 current_version=$(nix-instantiate "$nixpkgs" --eval --strict -A iosevka.version | tr -d '"')
-new_version=$(list-git-tags "$repo" | sort --reverse --version-sort | awk 'match($0, /^v([0-9.]+)$/, m) { print m[1]; exit; }')
+new_version=$(list-git-tags --url="$repo" | sort --reverse --version-sort | awk 'match($0, /^v([0-9.]+)$/, m) { print m[1]; exit; }')
 if [[ "$new_version" == "$current_version" ]]; then
     echo "iosevka: no update found"
     exit
diff --git a/pkgs/data/themes/marwaita/default.nix b/pkgs/data/themes/marwaita/default.nix
index 966cb1c4f6f8..1e1fa617e028 100644
--- a/pkgs/data/themes/marwaita/default.nix
+++ b/pkgs/data/themes/marwaita/default.nix
@@ -5,6 +5,7 @@
 , gtk-engine-murrine
 , gtk_engines
 , librsvg
+, gitUpdater
 }:
 
 stdenv.mkDerivation rec {
@@ -37,6 +38,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = gitUpdater {inherit pname version; };
+
   meta = with lib; {
     description = "GTK theme supporting Budgie, Pantheon, Mate, Xfce4 and GNOME desktops";
     homepage = "https://www.pling.com/p/1239855/";