gnome-extension-manager: init at 0.2.3

pkgs/default.nix

@@ -14,6 +14,7 @@ let
       gnome-search-provider-recoll = callPackage ./gnome-search-provider-recoll.nix { };
       gnome-shell-extension-burn-my-windows =
         callPackage ./gnome-shell-extension-burn-my-windows.nix { };
+      gnome-extension-manager = callPackage ./gnome-extension-manager.nix { };
       gnome-shell-extension-desktop-cube =
         callPackage ./gnome-shell-extension-desktop-cube.nix { };
       gnome-shell-extension-fly-pie =

pkgs/gnome-extension-manager.nix

@@ -0,0 +1,54 @@
+{ stdenv, lib, fetchFromGitHub, wrapGAppsHook4, libadwaita, meson, ninja
+, gettext, gtk4, appstream-glib, desktop-file-utils, gobject-introspection
+, blueprint-compiler, pkg-config, json-glib, libsoup_3, glib, python3 }:
+
+stdenv.mkDerivation rec {
+  pname = "gnome-extension-manager";
+  version = "0.2.3";
+
+  src = fetchFromGitHub {
+    owner = "mjakeman";
+    repo = "extension-manager";
+    rev = "v${version}";
+    sha256 = "sha256-4qfhRzPI9qPqTO5LTPP8PZLAiCmywC8j9L6Mi5sko6U=";
+  };
+
+  nativeBuildInputs = [
+    appstream-glib
+    desktop-file-utils
+    wrapGAppsHook4
+    libadwaita
+    meson
+    pkg-config
+    ninja
+    gettext
+    python3
+  ];
+
+  buildInputs = [
+    blueprint-compiler
+    gtk4
+    gobject-introspection
+    json-glib
+    libsoup_3
+    glib.dev
+    glib
+  ];
+
+  # See https://github.com/NixOS/nixpkgs/issues/36468.
+  mesonFlags = [ "-Dc_args=-I${glib.dev}/include/gio-unix-2.0" ];
+
+  postPatch = ''
+    chmod +x build-aux/meson/postinstall.py
+    patchShebangs build-aux/meson/postinstall.py
+
+    # Just to make sure.
+    substituteInPlace build-aux/meson/postinstall.py \
+      --replace "gtk-update-icon-cache" "gtk4-update-icon-cache"
+  '';
+
+  meta = with lib; {
+    description = "Desktop app for managing GNOME shell extensions";
+    homepage = "https://github.com/mjakeman/extension-manager";
+  };
+}