PSR-12, build script, fixes

.github/workflows/build.yml

@@ -0,0 +1,66 @@
+name: Build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+  release:
+    types: [ created ]
+
+jobs:
+  build-phar:
+    runs-on: ubuntu-latest
+    name: Build PHAR
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '8.1' ]
+    steps:
+      -   name: Checkout
+          uses: actions/checkout@v3
+          with:
+            fetch-depth: 0
+
+      -   name: Setup PHP
+          uses: shivammathur/setup-php@v2
+          with:
+            php-version: ${{ matrix.php }}
+            ini-values: phar.readonly=0
+            tools: composer
+            coverage: none
+
+      -   name: Install Composer dependencies
+          uses: ramsey/composer-install@v2
+
+      -   name: Build PHAR
+          run: |
+            cp application application.phar
+            composer build -- --build-version
+
+      # Smoke test
+      -   name: Ensure the PHAR works
+          run: builds/branch-usage-checker --version
+
+      -   uses: actions/upload-artifact@v3
+          name: Upload the PHAR artifact
+          with:
+            name: branch-usage-checker
+            path: builds/branch-usage-checker
+
+  publish-phar:
+    runs-on: ubuntu-latest
+    name: Publish the PHAR
+    needs:
+      - 'build-phar'
+    if: github.event_name == 'release'
+    steps:
+      -   uses: actions/download-artifact@v3
+          with:
+            name: branch-usage-checker
+            path: builds/
+
+      -   name: Upload box.phar
+          uses: softprops/action-gh-release@v1
+          with:
+            token: ${{ secrets.GITHUB_TOKEN }}
+            files: builds/branch-usage-checker