Publish workflow (mergestat/mergestat-lite)

The Publish workflow from mergestat/mergestat-lite, explained and optimized by Latchkey.

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Source: mergestat/mergestat-lite.github/workflows/release.ymlLicense MITView source

What it does

This is the Publish workflow from the mergestat/mergestat-lite 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: Publish

on:
  push:
    tags:
      - 'v*'

jobs:
  publish:
    name: Publish for ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            asset_name: mergestat-linux-amd64
          # - os: windows-latest
          #   asset_name: mergestat-windows-amd64
          - os: macos-latest
            asset_name: mergestat-macos-amd64

    steps:
    - name: Set up Go 1.19
      uses: actions/setup-go@v5
      with:
        go-version: 1.19.4
      id: go

    - name: Check out source
      uses: actions/checkout@v4
      with:
        submodules: recursive

    - name: Install libgit2
      run: make libgit2

    - name: Build
      run: make

    - name: Compress
      run: tar -czvf mergestat.tar.gz -C .build/ .

    - name: Upload binaries to release
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: mergestat.tar.gz
        asset_name: ${{ matrix.asset_name }}.tar.gz
        tag: ${{ github.ref }}

The same workflow, on Latchkey

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

name: Publish
 
on:
  push:
    tags:
      - 'v*'
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  publish:
    timeout-minutes: 30
    name: Publish for ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            asset_name: mergestat-linux-amd64
          # - os: windows-latest
          #   asset_name: mergestat-windows-amd64
          - os: macos-latest
            asset_name: mergestat-macos-amd64
 
    steps:
    - name: Set up Go 1.19
      uses: actions/setup-go@v5
      with:
        go-version: 1.19.4
      id: go
 
    - name: Check out source
      uses: actions/checkout@v4
      with:
        submodules: recursive
 
    - name: Install libgit2
      run: make libgit2
 
    - name: Build
      run: make
 
    - name: Compress
      run: tar -czvf mergestat.tar.gz -C .build/ .
 
    - name: Upload binaries to release
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: mergestat.tar.gz
        asset_name: ${{ matrix.asset_name }}.tar.gz
        tag: ${{ github.ref }}

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.

1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

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/setup-go actions/checkout