DEV: Release using the REL commit instead of git tag (#2500)

The git tag is automatically added

Co-authored-by: Stefan <[email protected]>

.github/workflows/release.yaml

@@ -6,18 +6,45 @@
 name: Publish Python Package to PyPI
 on:
  push:
- tags:
- - '*.*.*'
+ branches:
+ - main
+permissions:
+ contents: write
 
 jobs:
  build_and_publish:
  name: Publish a new version of pypdf
  runs-on: ubuntu-latest
+ if: "${{ startsWith(github.event.head_commit.message, 'REL: ') }}"
 
  steps:
  # Ensure it's on PyPI
  - name: Checkout Repository
  uses: actions/checkout@v4
+ - name: Extract version from commit message
+ id: extract_version
+ run: |
+ VERSION=$(echo "${{ github.event.head_commit.message }}" | grep -oP '(?<=REL: )\d+\.\d+\.\d+')
+ echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+ - name: Extract tag message from commit message
+ id: extract_message
+ run: |
+ VERSION="${{ steps.extract_version.outputs.version }}"
+ delimiter="$(openssl rand -hex 8)"
+ MESSAGE=$(echo "${{ github.event.head_commit.message }}" | sed "0,/REL: $VERSION/s///" )
+ echo "message<<${delimiter}" >> $GITHUB_OUTPUT
+ echo "$MESSAGE" >> $GITHUB_OUTPUT
+ echo "${delimiter}" >> $GITHUB_OUTPUT
+
+ - name: Create Git Tag
+ run: |
+ VERSION="${{ steps.extract_version.outputs.version }}"
+ MESSAGE="${{ steps.extract_message.outputs.message }}"
+ git config user.name github-actions
+ git config user.email [email protected]
+ git tag "$VERSION" -m "$MESSAGE"
+ git push origin $VERSION
 
  - name: Set up Python
  uses: actions/setup-python@v5