gitflow.yml

name: Git Flow

on:
  workflow_run:
    workflows: [ "Changelog generator" ]
    types:
      - completed
jobs:
  gitflow:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    name: Git Flow
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          ref: master
          fetch-depth: 0

      - name: Set local user
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"

      - name: Get latest tag
        run: |
          tag_check=$(git describe --exact-match `git rev-parse HEAD` | head -1)
          echo "tag=$tag_check" >> $GITHUB_ENV

      - name: Clear release branch
        run: |
          branch_check=$(git branch -r | grep release/${{ env.tag }} | sed 's/remotes\/origin\///' | sed 's/origin\///' | sed 's/* //' | sed -r '/^\s*$/d' | head -1)
          if [[ $branch_check ]]; then
            git push "https://$GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY.git" --delete $branch_check
          fi

      - name: Checkout develop and pull latest develop
        run: |
          git checkout develop
          git pull "https://$GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY.git" develop

      - name: Pull master into develop
        run: |
          Conflicts=$(git pull "https://$GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY.git" master -q --ff || echo "fatal: Not possible to fast-forward, aborting")
          AbortingMsg='aborting'

          if [[ "$Conflicts" == *"$AbortingMsg"* ]]; then
            exit 1
          fi

      - name: Pushing develop to origin if pulling successfully
        if: success()
        run: |
          git push "https://$GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY.git" develop:develop