Create release branch workflow for blog: Azure Functions Environment Separation with Linux Apps

create-release-branch.yml

# Release branch process
# Creates new release branch with version name
# Saves version name to artifact for release process
# Inspired by: https://riggaroo.dev/using-github-actions-to-automate-our-release-process/

name: Create Release Branch

on:
  workflow_dispatch:
    inputs:
      version_name:
        description: "Name of function version (i.e. 2.3.0)"
        required: true
      corvidae_release_name:
        description: Corvidae release version (optional, i.e. 7)
        required: false

jobs:
  create_release:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Create release branch
        run: git checkout -b release/v${{ github.event.inputs.version_name }}

      - name: Initialise mandatory git config
        run: |
          git config user.name "GitHub Actions"
          git config user.email noreply@github.com

      - name: Update changelog
        uses: thomaseizinger/keep-a-changelog-new-release@v1
        with:
          version: ${{ github.event.inputs.version_name }}

      - name: Save version to file
        run: echo "${{ github.event.inputs.version_name }}" > VERSION

      - name: Commit changelog and VERSION
        id: make-commit
        run: |
          git add CHANGELOG.md VERSION
          git commit -m "Prepare release ${{ github.event.inputs.version_name }}"
          echo "::set-output name=commit::$(git rev-parse HEAD)"

      - name: Push new branch
        run: git push origin release/v${{ github.event.inputs.version_name }}

      - name: Create PR into master
        uses: thomaseizinger/create-pull-request@1.0.0
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          head: release/v${{ github.event.inputs.version_name }}
          base: master
          title: v${{ github.event.inputs.version_name }} into master
          reviewers: ${{ github.event.issue.user.login }}
          body: |
            Release PR for version ${{ github.event.inputs.version_name }}.
            Version name and code commit updated: ${{ steps.make-commit.outputs.commit }}
            For Corvidae release: ${{ github.event.inputs.corvidae_release_name }}

      - name: Create PR into develop
        uses: thomaseizinger/create-pull-request@1.0.0
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          head: release/v${{ github.event.inputs.version_name }}
          base: develop
          title: v${{ github.event.inputs.version_name }} into develop
          reviewers: ${{ github.event.issue.user.login }}
          body: |
            Release PR for version ${{ github.event.inputs.version_name }}.
            Version name and code commit updated: ${{ steps.make-commit.outputs.commit }}
            For Corvidae release: ${{ github.event.inputs.corvidae_release_name }}