create-draft-release.yml

name: Create or Update Draft Release

on:
  push:
    branches:
    - main
    - v*
    - '!v*-*'
  repository_dispatch:
    types: [ version-bump ]
  workflow_dispatch:
    inputs:
      version:
        description: 'Version of the release to cut (e.g. 1.2.3)'
        required: false

concurrency: release

jobs:
  unit:
    name: Unit Tests
    runs-on: ubuntu-22.04
    steps:
    - name: Setup Go
      uses: actions/setup-go@v3
      with:
        go-version: 'stable'
    - name: Checkout
      uses: actions/checkout@v3
    - name: Run Unit Tests
      run: ./scripts/unit.sh

  release:
    name: Release
    runs-on: ubuntu-22.04
    needs: unit
    steps:
    - name: Setup Go
      uses: actions/setup-go@v3
      with:
        go-version: 'stable'
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-tags: true
    - name: Reset Draft Release
      id: reset
      uses: paketo-buildpacks/github-config/actions/release/reset-draft@main
      with:
        repo: ${{ github.repository }}
        token: ${{ github.token }}
    - name: Calculate Semver Tag
      if: github.event.inputs.version == ''
      id: semver
      uses: paketo-buildpacks/github-config/actions/tag/calculate-semver@main
      with:
        repo: ${{ github.repository }}
        token: ${{ github.token }}
        ref-name: ${{ github.ref_name }}
    - name: Set Release Tag
      id: tag
      run: |
        tag="${{ github.event.inputs.version }}"
        if [ -z "${tag}" ]; then
          tag="${{ steps.semver.outputs.tag }}"
        fi
        echo "tag=${tag}" >> "$GITHUB_OUTPUT"
    - name: Create Release
      uses: paketo-buildpacks/github-config/actions/release/create@main
      with:
        repo: ${{ github.repository }}
        token: ${{ secrets.PAKETO_BOT_GITHUB_TOKEN }}
        tag_name: v${{ steps.tag.outputs.tag }}
        target_commitish: ${{ github.sha }}
        name: v${{ steps.tag.outputs.tag }}
        draft: true

  failure:
    name: Alert on Failure
    runs-on: ubuntu-22.04
    needs: [ unit, release ]
    if: ${{ always() && needs.unit.result == 'failure' || needs.release.result == 'failure' }}
    steps:
    - name: File Failure Alert Issue
      uses: paketo-buildpacks/github-config/actions/issue/file@main
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        repo: ${{ github.repository }}
        label: "failure:release"
        comment_if_exists: true
        issue_title: "Failure: Create Draft Release workflow"
        issue_body: |
          Create Draft Release workflow [failed](https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}).
        comment_body: |
           Another failure occurred: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}