Auto Release workflow (mietzen/porkbun-ddns)

The Auto Release workflow from mietzen/porkbun-ddns, explained and optimized by Latchkey.

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Source: mietzen/porkbun-ddns.github/workflows/auto-release.ymlLicense MITView source

What it does

This is the Auto Release workflow from the mietzen/porkbun-ddns repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: "Auto Release"
on:
  pull_request:
    types:
      - closed

jobs:
  auto-release:
    if: github.event.pull_request.merged == true && github.event.pull_request.user.login == 'dependabot[bot]' && contains(github.event.pull_request.labels.*.name, 'docker')
    name: "Auto Release"
    runs-on: "ubuntu-latest"
    steps:
      - id: get-version
        run: |
          LATEST_TAG=$(curl -s "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/latest" | jq -r '.name')
          URL='https://gist.githubusercontent.com/mietzen/cd33efb65f91619201a45ac50dcfc29e/raw/bump-version'
          echo "version=v$(wget -qO - ${URL} | bash -s ${LATEST_TAG} bug)" >> $GITHUB_OUTPUT
      - uses: actions/create-github-app-token@v3
        id: generate-token
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PRIVATE_KEY }}
      - uses: "softprops/action-gh-release@v3"
        with:
          token: ${{ steps.generate-token.outputs.token }}
          tag_name: ${{ steps.get-version.outputs.version }}
          generate_release_notes: true

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: "Auto Release"
on:
  pull_request:
    types:
      - closed
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  auto-release:
    timeout-minutes: 30
    if: github.event.pull_request.merged == true && github.event.pull_request.user.login == 'dependabot[bot]' && contains(github.event.pull_request.labels.*.name, 'docker')
    name: "Auto Release"
    runs-on: "ubuntu-latest"
    steps:
      - id: get-version
        run: |
          LATEST_TAG=$(curl -s "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/latest" | jq -r '.name')
          URL='https://gist.githubusercontent.com/mietzen/cd33efb65f91619201a45ac50dcfc29e/raw/bump-version'
          echo "version=v$(wget -qO - ${URL} | bash -s ${LATEST_TAG} bug)" >> $GITHUB_OUTPUT
      - uses: actions/create-github-app-token@v3
        id: generate-token
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PRIVATE_KEY }}
      - uses: "softprops/action-gh-release@v3"
        with:
          token: ${{ steps.generate-token.outputs.token }}
          tag_name: ${{ steps.get-version.outputs.version }}
          generate_release_notes: true

What changed

Cancel superseded runs when a branch or PR gets a newer push.
Add a job timeout so a hung step cannot burn hours of runner time.

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/create-github-app-token