Simplify CI

.github/workflows/ci.yml

@@ -4,62 +4,27 @@ on:
   push:
   pull_request:
 
-# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
-# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
+defaults:
+  run:
+    shell: "nix shell nixpkgs#git-lfs --command {0}"
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
     container: nixpkgs/nix-flakes:nixos-24.05
     steps:
-      - name: Setup NIX CI Environment
-        run: |
-          nix profile install nixpkgs#git-lfs nixpkgs#gnused
-          echo "substituters = https://nixpkgs-cache.qo.is?priority=39" >> /etc/nix/nix.conf
-          echo "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" >> /etc/nix/nix.conf
-          mkdir -p ~/.config/nix && cp /etc/nix/nix.conf ~/.config/nix/
-      - name: Checkout Repository
-        shell: "nix shell nixpkgs#git-lfs nixpkgs#gnused --command {0}"
-        run: |
-          git config --global credential.helper store
-          git config --global advice.detachedHead false
-          git lfs install
-          AUTH_URL=`echo -n "$GITHUB_SERVER_URL" | sed "s%https://%https://oauth2:$GITHUB_TOKEN@%"`
-          # Disable clone protection to pull LFS as well
-          GIT_CLONE_PROTECTION_ACTIVE=false git clone --branch $GITHUB_REF_NAME --recurse-submodules $AUTH_URL/$GITHUB_REPOSITORY .
-      - name: Run Nix Build
-        shell: "nix shell nixpkgs#git-lfs --command {0}"
-        run: nix build .
-      - name: Run Nix Checks
-        shell: "nix shell nixpkgs#git-lfs --command {0}"
+      - name: Initialize CI
+        uses: https://git.qo.is/qo.is/actions-nix-init@main
+
+      - name: Build
+        run: nix build
+
+      - name: Run Checks
         run: nix flake check
-      - name: Deploy page
+
+      - name: Deploy
         if: success() && github.ref == 'refs/heads/main'
-        shell: "nix shell nixpkgs#git-lfs --command {0}"
         run: |
           mkdir ~/.ssh/
           (umask 0077 && printf "%s" "${{ secrets.SSH_DEPLOY_KEY }}" > ~/.ssh/id_ed25519 && echo >> ~/.ssh/id_ed25519)
           echo -e "Host lindberg-webapps.backplane.net.qo.is\n    StrictHostKeyChecking no" >> ~/.ssh/config
           nix run .#deploy
-#      - uses: actions/upload-pages-artifact@v3
-#        with:
-#          path: result/
-
-#  deploy:
-#    environment:
-#      name: github-pages
-#      url: ${{ steps.deployment.outputs.page_url }}
-#    runs-on: ubuntu-latest
-#    needs: build
-#    permissions:
-#      pages: write      # to deploy to Pages
-#      id-token: write   # to verify the deployment originates from an appropriate source
-#    steps:
-#      - name: Deploy to GitHub Pages
-#        id: deployment
-#        uses: actions/deploy-pages@v4
-#        with:
-#          preview: true