feat(ci): use garnix cache instead of nixbuild

.github/workflows/deploy-explorer.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - master
+  pull_request:
   workflow_dispatch:
 
 concurrency:
@@ -14,37 +15,86 @@ env:
   NODE_OPTIONS: '--no-warnings'
 
 jobs:
-  build:
+  garnix:
+    name: Wait on Garnix CI
     runs-on: ubuntu-latest
+    steps:
+      - name: Wait on Garnix CI Check Suite
+        env: 
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
+          REF: ${{ github.head_ref }}
+        run: |
+          sleep 15
+          
+          status=''
+          
+          while [[ $status != 'completed' ]]; do
+            check_suites=$(gh api \
+              -H "Accept: application/vnd.github+json" \
+              -H "X-GitHub-Api-Version: 2022-11-28" \
+              "/repos/$REPO/commits/$REF/check-suites")
+              
+            status=$(echo "$check_suites" | jq -r '.check_suites | .[] | select(.app.name == "Garnix CI") | .status')
+            sleep 15
+          done
+
+          conclusion=$(echo "$check_suites" | jq -r '.check_suites | .[] | select(.app.name == "Garnix CI") | .conclusion')
+
+          case "$conclusion" in
+            failure | timed_out | action_required | stale | startup_failure)
+              echo "ERROR: Garnix CI concluded with $conclusion"
+              exit 1
+              ;;
+            *)
+              echo "INFO: Garnix CI concluded with $conclusion"
+              ;;
+          esac
+
+  deploy-preview:
+    runs-on: ['ubuntu-latest']
+    needs: [garnix]
     permissions:
       contents: read
+      pull-requests: write
+    env:
+      npm_config_yes: true
+    environment: 'app-preview'
+    if: github.event_name == 'pull_request'
     steps:
       - uses: actions/checkout@v4
         with:
           lfs: true
-      - uses: nixbuild/nix-quick-install-action@v26
-        with:
-          nix_on_tmpfs: false
-          nix_conf: |
-            experimental-features = nix-command flakes
-            access-tokens = ${{ secrets.GITHUB_TOKEN }}
-      - uses: nixbuild/nixbuild-action@812f1ab2b51842b0d44b9b79574611502d6940a0
-        with:
-          nixbuild_token: ${{secrets.NIXBUILD_TOKEN}}
-      - name: Build explorer
+      - uses: nixbuild/nix-quick-install-action@v28
+      - name: Fetch from Cache
         run: |
-          touch build.json
-          nix build .#packages.x86_64-linux.explorer \
-            --print-build-logs \
-            --eval-store auto \
-            --store ssh-ng://eu.nixbuild.net \
-            --builders "" --max-jobs 2 \
-            --show-trace \
-            --json
+          nix develop
+          nix build .#explorer
+      - name: '[preview] 🔶 Publish to Cloudflare Pages'
+        env:
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_WORKERS_API_TOKEN }}
+        run: npx --yes wrangler@latest pages --project-name="app" deploy result >> /tmp/app_deploy.txt
+      - name: Set Deploy Output
+        run: |
+          {
+            echo 'DEPLOY_OUTPUT<<EOF'
+            tail -n 2 /tmp/app_deploy.txt
+            echo 'EOF'
+          } >> $GITHUB_ENV
+      - name: Comment Site Deploy Results
+        uses: thollander/actions-comment-pull-request@v2
+        with:
+          message: |
+            # App 🤌
+            ${{ env.DEPLOY_OUTPUT }}
+
+            **${{ env.LAST_UPDATED_AT }}**
+          comment_tag: deploy-app-preview-result
 
   deploy-production:
     runs-on: 'ubuntu-latest'
-    needs: [ build ]
+    needs: [garnix]
     env:
       npm_config_yes: true
     environment: 'explorer-production'
@@ -53,14 +103,11 @@ jobs:
       - uses: actions/checkout@v4
         with:
           lfs: true
-      - uses: nixbuild/nix-quick-install-action@v26
-      - uses: nixbuild/nixbuild-action@812f1ab2b51842b0d44b9b79574611502d6940a0
-        with:
-          nixbuild_token: ${{ secrets.NIXBUILD_TOKEN }}
-      - run: mkdir dump
-      - run: nix copy --to file://`pwd`/dump --from ssh-ng://eu.nixbuild.net `nix eval --raw .#packages.x86_64-linux.explorer` --extra-experimental-features nix-command
-      - run: cat dump/nar/*.nar.xz | xz -dc | nix-store --restore result
-
+      - uses: nixbuild/nix-quick-install-action@v28
+      - name: Fetch from Cache
+        run: |
+          nix develop
+          nix build .#explorer
       - name: '[production] 🔶 Publish to Cloudflare Pages'
         env:
           CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}