ci: test gtk-ng

.github/workflows/test.yml

@@ -25,6 +25,7 @@ jobs:
       - flatpak
       - test
       - test-gtk
+      - test-gtk-ng
       - test-sentry-linux
       - test-macos
       - pinact
@@ -529,6 +530,9 @@ jobs:
       - name: Test GTK Build
         run: nix develop -c zig build -Dapp-runtime=gtk -Demit-docs -Demit-webdata
 
+      - name: Test GTK-NG Build
+        run: nix develop -c zig build -Dapp-runtime=gtk-ng -Demit-docs -Demit-webdata
+
       # This relies on the cache being populated by the commands above.
       - name: Test System Build
         run: nix develop -c zig build --system ${ZIG_GLOBAL_CACHE_DIR}/p
@@ -582,6 +586,55 @@ jobs:
             -Dgtk-x11=${{ matrix.x11 }} \
             -Dgtk-wayland=${{ matrix.wayland }}
 
+  test-gtk-ng:
+    strategy:
+      fail-fast: false
+      matrix:
+        x11: ["true", "false"]
+        wayland: ["true", "false"]
+    name: GTK x11=${{ matrix.x11 }} wayland=${{ matrix.wayland }}
+    runs-on: namespace-profile-ghostty-sm
+    needs: test
+    env:
+      ZIG_LOCAL_CACHE_DIR: /zig/local-cache
+      ZIG_GLOBAL_CACHE_DIR: /zig/global-cache
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Setup Cache
+        uses: namespacelabs/nscloud-cache-action@c343d6c4c2c3268bbec55c542f096f74130eb22c # v1.2.12
+        with:
+          path: |
+            /nix
+            /zig
+
+      # Install Nix and use that to run our tests so our environment matches exactly.
+      - uses: cachix/install-nix-action@c134e4c9e34bac6cab09cf239815f9339aaaf84e # v31.5.1
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
+        with:
+          name: ghostty
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+
+      - name: Test
+        run: |
+          nix develop -c \
+            zig build \
+            -Dapp-runtime=gtk-ng \
+            -Dgtk-x11=${{ matrix.x11 }} \
+            -Dgtk-wayland=${{ matrix.wayland }} \
+            test
+
+      - name: Build
+        run: |
+          nix develop -c \
+            zig build \
+            -Dapp-runtime=gtk-ng \
+            -Dgtk-x11=${{ matrix.x11 }} \
+            -Dgtk-wayland=${{ matrix.wayland }}
+
   test-sentry-linux:
     strategy:
       fail-fast: false