CodeQL workflow (junegunn/fzf)

The CodeQL workflow from junegunn/fzf, explained and optimized by Latchkey.

CI health: C - fair

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Source: junegunn/fzf.github/workflows/codeql-analysis.ymlLicense MITView source

What it does

This is the CodeQL workflow from the junegunn/fzf 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)

# https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning
name: CodeQL

on:
  push:
    branches: [ master, devel ]
  pull_request:
    branches: [ master ]
  workflow_dispatch:

permissions:
  contents: read

jobs:
  analyze:
    permissions:
      actions: read  # for github/codeql-action/init to get workflow details
      contents: read  # for actions/checkout to fetch code
      security-events: write  # for github/codeql-action/autobuild to send a status report
    name: Analyze
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        language: ['go']

    steps:
    - name: Checkout repository
      uses: actions/checkout@v7
      with:
        fetch-depth: 0

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v4
      with:
        languages: ${{ matrix.language }}

    - name: Autobuild
      uses: github/codeql-action/autobuild@v4

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v4

The same workflow, on Latchkey

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

# https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning
name: CodeQL
 
on:
  push:
    branches: [ master, devel ]
  pull_request:
    branches: [ master ]
  workflow_dispatch:
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  analyze:
    timeout-minutes: 30
    permissions:
      actions: read  # for github/codeql-action/init to get workflow details
      contents: read  # for actions/checkout to fetch code
      security-events: write  # for github/codeql-action/autobuild to send a status report
    name: Analyze
    runs-on: latchkey-small
 
    strategy:
      fail-fast: false
      matrix:
        language: ['go']
 
    steps:
    - name: Checkout repository
      uses: actions/checkout@v7
      with:
        fetch-depth: 0
 
    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v4
      with:
        languages: ${{ matrix.language }}
 
    - name: Autobuild
      uses: github/codeql-action/autobuild@v4
 
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v4

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.
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/checkout github/codeql-action