build-arm workflow (ungoogled-software/ungoogled-chromium-windows)

The build-arm workflow from ungoogled-software/ungoogled-chromium-windows, explained and optimized by Latchkey.

What it does

This is the build-arm workflow from the ungoogled-software/ungoogled-chromium-windows repository, a real project running GitHub Actions. It is shown here with attribution under its BSD-3-Clause license.

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

The workflow

name: build-arm
on:
  workflow_dispatch:
  push:
    tags:
      - '*'

permissions:
  contents: read

concurrency:
  group: build-arm-${{ github.ref }}
  cancel-in-progress: false

jobs:
  build:
    uses: ./.github/workflows/reusable-build.yml
    with:
      arm: true

The same workflow, on Latchkey

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

name: build-arm
on:
  workflow_dispatch:
  push:
    tags:
      - '*'
 
permissions:
  contents: read
 
concurrency:
  group: build-arm-${{ github.ref }}
  cancel-in-progress: false
 
jobs:
  build:
    timeout-minutes: 30
    uses: ./.github/workflows/reusable-build.yml
    with:
      arm: true
 

What changed

• 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.