ci: move github workflows to gitea

.gitea/workflows/build.yml

@@ -0,0 +1,61 @@
+name: "CI"
+on:
+  pull_request:
+  push:
+jobs:
+
+  checks:
+    strategy:
+      matrix:
+        check:
+          # - nixpkgs-fmt
+          # - deadnix
+          - nur
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v23
+      - name: Check ${{ matrix.check }}
+        # Depends on nixos/nix#7759 to simply `nix flake check`
+        run: nix run .#checks.$(nix eval --raw --impure --expr "builtins.currentSystem").${{ matrix.check }}
+
+  build-and-update:
+    strategy:
+      matrix:
+        # Set this to notify the global nur package registry that changes are
+        # available.
+        #
+        # The repo name as used in
+        # https://github.com/nix-community/NUR/blob/master/repos.json
+        nurRepo:
+          - xeals
+        # Set this to cache your build results in cachix for faster builds
+        # in CI and for everyone who uses your cache.
+        #
+        # Format: Your cachix cache host name without the ".cachix.org" suffix.
+        # Example: mycache (for mycache.cachix.org)
+        #
+        # For this to work, you also need to set the CACHIX_SIGNING_KEY secret
+        # in your repository settings in Github found at https://github.com/<your_githubname>/nur-packages/settings/secrets
+        cachixName:
+          - xeals
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    - name: Install nix
+      uses: cachix/install-nix-action@v23
+    - name: Show nixpkgs version
+      run: nix eval --impure --expr '(import ./flake-compat.nix { src = ./.; }).lib.version'
+    - name: Setup cachix
+      uses: cachix/cachix-action@v12
+      if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
+      with:
+        name: ${{ matrix.cachixName }}
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - name: Build nix packages
+      run: nix develop .#ci -c nix-build-uncached ci.nix -A cacheOutputs
+    - name: Trigger NUR update
+      if: ${{ matrix.nurRepo != '<YOUR_REPO_NAME>' }}
+      run: curl -XPOST "https://nur-update.nix-community.org/update?repo=${{ matrix.nurRepo }}"