feat(ci) Automatically prepare release

Signed-off-by: Pierre PÉRONNET <pierre.peronnet@datadoghq.com>

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+name: Release
+
+on:
+  push:
+    branches: [ "main" ]
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v3
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Build release
+      run: composer run-script build
+
+    - name: Version
+      id: version
+      run: |-
+        echo P2CF_VERSION="$(composer run-script version)" >> "$GITHUB_OUTPUT"
+        git log $(git describe --tags --abbrev=0)..HEAD --oneline > changes.txt
+
+    - uses: ncipollo/release-action@v1
+      with:
+        artifacts: "p2cf.zip"
+        bodyFile: changes.txt
+        tag: "v${{ steps.version.outputs.P2CF_VERSION }}"
+        artifactErrorsFailBuild: true
+        draft: true

.gitignore

@@ -7,3 +7,6 @@ bin
 *.bak
 .phpunit.result.cache
 junit-result.xml
+
+build
+p2cf.zip

build.lst

@@ -0,0 +1,6 @@
+classes/
+css/
+js/
+languages/*.json
+languages/*.mo
+vendor/

composer.json

@@ -18,6 +18,13 @@
             "./bin/install-wp-tests.sh wordpress root root localhost latest true",
             "phpunit --no-interaction --log-junit junit-result.xml"
         ],
+        "build": [
+            "composer install --dev --prefer-dist --no-interaction --no-progress --no-suggest",
+            "composer run-script i18n-build",
+            "composer install --no-dev --prefer-dist --optimize-autoloader --no-interaction --no-progress --no-suggest",
+            "composer dump-autoload --no-dev --optimize --classmap-authoritative",
+            "zip -9vr p2cf.zip . -i@build.lst -i *.php"
+        ],
         "test": [
             "phpunit"
         ]