Release pipeline

Author: HardNorth

.github/workflows/release.yml

@@ -1,26 +1,121 @@
 name: Upload Python Package
 
 on:
-  release:
-    types: [published]
+  push:
+    branches: ['master']
+    paths-ignore:
+      - '.github/**'
+      - CHANGELOG.md
+      - README.rst
+      - CONTRIBUTING.rst
+
+env:
+  VERSION_FILE: setup.py
+  VERSION_EXTRACT_PATTERN: >-
+    __version__\s*=\s*'([^']+)
+  VERSION_REPLACE_PATTERN: >-
+    __version__ = '\1'
+  TMP_SUFFIX: _updated
+  CHANGE_LOG_FILE: CHANGELOG.md
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+
+    - name: Generate versions
+      uses: HardNorth/[email protected]
+      with:
+        version-source: file
+        version-file: ${{ env.VERSION_FILE }}
+        version-file-extraction-pattern: ${{ env.VERSION_EXTRACT_PATTERN }}
+
+    - name: Setup git credentials
+      uses: oleksiyrudenko/gha-git-credentials@v2
+      with:
+        name: 'reportportal.io'
+        email: '[email protected]'
+        token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Tagging new version
+      id: newVersionTag
+      run: |
+        git tag -a ${{ env.RELEASE_VERSION }} -m "Release ${{ env.RELEASE_VERSION }}"
+        git push --tags
+
     - name: Set up Python
       uses: actions/setup-python@v1
       with:
         python-version: '3.6'
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine
+
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
         python setup.py sdist bdist_wheel
         twine upload dist/*
+
+    - name: Update CHANGELOG.md
+      id: changelogUpdate
+      run: |
+        sed '/\[Unreleased\]/q' ${{ env.CHANGE_LOG_FILE }} >> ${{ env.CHANGE_LOG_FILE }}${{ env.TMP_SUFFIX }}
+        sed -E '1,/#?#\s*\[Unreleased\]/d' ${{ env.CHANGE_LOG_FILE }} | sed -E '/#?#\s*\[/q' | \
+        { echo -e '\n## [${{ env.RELEASE_VERSION }}]'; sed '$d'; } >> ${{ env.CHANGE_LOG_FILE }}${{ env.TMP_SUFFIX }}
+        grep -E '#?#\s*\[[0-9]' ${{ env.CHANGE_LOG_FILE }} | head -n1 >> ${{ env.CHANGE_LOG_FILE }}${{ env.TMP_SUFFIX }}
+        sed -E '1,/#?#\s*\[[0-9]/d' ${{ env.CHANGE_LOG_FILE }} >> ${{ env.CHANGE_LOG_FILE }}${{ env.TMP_SUFFIX }}
+        rm ${{ env.CHANGE_LOG_FILE }}
+        mv ${{ env.CHANGE_LOG_FILE }}${{ env.TMP_SUFFIX }} ${{ env.CHANGE_LOG_FILE }}
+        git add ${{ env.CHANGE_LOG_FILE }}
+        git commit -m "Changelog update"
+        git push
+
+    - name: Read changelog Entry
+      id: readChangelogEntry
+      uses: mindsers/[email protected]
+      with:
+        version: ${{ env.RELEASE_VERSION }}
+        path: ./${{ env.CHANGE_LOG_FILE }}
+
+    - name: Create Release
+      id: createRelease
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ env.RELEASE_VERSION }}
+        release_name: Release ${{ env.RELEASE_VERSION }}
+        body: ${{ steps.readChangelogEntry.outputs.log_entry }}
+        draft: false
+        prerelease: false
+
+    - name: Checkout develop branch
+      uses: actions/checkout@v2
+      with:
+        ref: 'develop'
+        fetch-depth: 0
+
+    - name: Merge release branch into develop
+      id: mergeIntoDevelop
+      run: |
+        git merge -m 'Merge master branch into develop after a release' origin/master
+        git status | (! grep -Fq 'both modified:') || git status | grep -F 'both modified:' \
+        | { echo -e 'Unable to merge master into develop, merge conflicts:'; (! grep -Eo '[^ ]+$') }
+
+    - name: Update version file
+      id: versionFileUpdate
+      run: |
+        export CURRENT_VERSION_VALUE=`echo '${{ env.CURRENT_VERSION }}' | sed -E 's/(.*)/${{ env.VERSION_REPLACE_PATTERN }}/'`
+        export NEXT_VERSION_VALUE=`echo '${{ env.NEXT_VERSION }}' | sed -E 's/(.*)/${{ env.VERSION_REPLACE_PATTERN }}/'`
+        sed "s/${CURRENT_VERSION_VALUE}/${NEXT_VERSION_VALUE}/g" ${{ env.VERSION_FILE }} > ${{ env.VERSION_FILE }}${{ env.TMP_SUFFIX }}
+        rm ${{ env.VERSION_FILE }}
+        mv ${{ env.VERSION_FILE }}${{ env.TMP_SUFFIX }} ${{ env.VERSION_FILE }}
+        git add ${{ env.VERSION_FILE }}
+        git commit -m "Version update"
+        git push origin develop