quay/.github/workflows/prepare-release.yml

---
name: Prepare Release

on:
  workflow_dispatch:
    inputs:
      branch:
        description: 'the branch to prepare the release against'
        required: true
        default: 'master'
      tag:
        description: 'the tag to be released'
        required: true
      jira:
        description: 'PROJQUAY jira release issue'
        required: true

jobs:
  prepare:
    name: Prepare Release
    runs-on: 'ubuntu-latest'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.inputs.branch }}
      - name: Changelog
        run: |
          curl -o /tmp/git-chglog.tar.gz -fsSL\
            https://github.com/git-chglog/git-chglog/releases/download/v0.15.4/git-chglog_0.15.4_linux_amd64.tar.gz
          tar xvf /tmp/git-chglog.tar.gz --directory /tmp
          chmod u+x /tmp/git-chglog
          echo "creating change log for tag: ${{ github.event.inputs.tag }}"

          # Get the y stream version from the tag
          Y_STREAM_VERSION=$(echo "${{ github.event.inputs.tag }}" | sed 's/^v//' | awk -F'.' '{print $2}')

          # build the regex in the form of "v3.(6|7|8|9).*" for the y-stream
          for (( i=6; i<=$Y_STREAM_VERSION; i++ )); do
              if [ -z "$Y_STREAM_REGEX" ]; then
                  Y_STREAM_REGEX="$i"
              else
                  Y_STREAM_REGEX="${Y_STREAM_REGEX}|${i}"
              fi
          done
          TAG_PATTERN="v3.($Y_STREAM_REGEX).*"

          # Generate the changelog using the tag pattern
          /tmp/git-chglog --next-tag "${{ github.event.inputs.tag }}" --tag-filter-pattern $TAG_PATTERN -o CHANGELOG.md v3.6.0-alpha.4..
      - name: Modify changelog URL to point to current y-stream
        run: |
          echo "modifying changelog URL to point to current y-stream release."
          QUAY_VERSION=$(echo ${{ github.event.inputs.branch }} | cut -d'-' -f2)
          sed -in --regexp-extended "s/\/[0-9\.]+\//\/$QUAY_VERSION\//" CHANGELOG.md
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3.5.1
        with:
          title: "${{ github.event.inputs.tag }} Changelog Bump"
          body: "This is an automated changelog commit."
          commit-message: "chore: ${{ github.event.inputs.tag }} changelog bump (${{ github.event.inputs.jira }})"
          branch: "ready-${{ github.event.inputs.tag }}"
          signoff: true
          delete-branch: true