Core Lint workflow (SurgeDM/Surge)

The Core Lint workflow from SurgeDM/Surge, explained and optimized by Latchkey.

What it does

This is the Core Lint workflow from the SurgeDM/Surge 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

name: Core Lint

on:
  push:
    branches:
      - main
    paths-ignore:
      - "extension/**"
  pull_request:
    paths-ignore:
      - "extension/**"

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  golangci:
    name: lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
      - name: golangci-lint
        run: go run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest run
      - name: unicode lint
        run: go test ./internal/lint/...

The same workflow, on Latchkey

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

name: Core Lint
 
on:
  push:
    branches:
      - main
    paths-ignore:
      - "extension/**"
  pull_request:
    paths-ignore:
      - "extension/**"
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  golangci:
    timeout-minutes: 30
    name: lint
    runs-on: latchkey-small
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.25.0'
      - name: golangci-lint
        run: go run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest run
      - name: unicode lint
        run: go test ./internal/lint/...
 

What changed

• Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
• 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