build: add auto release

.gitea/workflows/nix-flake-release.yml

@@ -0,0 +1,52 @@
+name: check-flake
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: "main"
+      - name: Setup sudo (required for the next step)
+        run: apt-get update && apt-get install -y sudo
+      - name: Setup nix
+        uses: cachix/install-nix-action@v30
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+          github_access_token: ${{ secrets.GH_ACCESS_TOKEN }}
+          nix_path: nixpkgs=channel:nixos-24.05
+      - uses: cachix/cachix-action@v15
+        with:
+          name: palkx
+          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
+          extraPullNames: nix-community
+      - name: Build nix flake
+        run: |
+          while true; do sleep 1; rm -rf /homeless-shelter; done &
+          nix build
+      - name: Check nix flake
+        run: nix flake check --all-systems
+
+  release:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Semver release
+        uses: cocogitto/cocogitto-action@v3
+        id: release
+        with:
+          release: true
+          git-user: "Cog Bot"
+          git-user-email: "mycoolproject@org.org"
+      # The version number is accessible as a github action output
+      - name: Print version
+        run: "echo '${{ steps.release.outputs.version }}'"