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CodeQL workflow (expressjs/morgan)

The CodeQL workflow from expressjs/morgan, explained and optimized by Latchkey.

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Source: expressjs/morgan.github/workflows/codeql.ymlLicense MITView source

What it does

This is the CodeQL workflow from the expressjs/morgan 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)
# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
#
# ******** NOTE ********
# We have attempted to detect the languages in your repository. Please check
# the `language` matrix defined below to confirm you have the correct set of
# supported CodeQL languages.
#
name: "CodeQL"

on:
  push:
    branches: ["master"]
  pull_request:
    # The branches below must be a subset of the branches above
    branches: ["master"]
  schedule:
    - cron: "0 0 * * 1"

permissions:
  contents: read

jobs:
  analyze:
    name: Analyze
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        language: ["javascript"]
        # CodeQL supports [ $supported-codeql-languages ]
        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support

    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
        with:
          languages: ${{ matrix.language }}
          # If you wish to specify custom queries, you can do so here or in a config file.
          # By default, queries listed here will override any specified in a config file.
          # Prefix the list here with "+" to use these queries and those in the config file.

      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
      # If this step fails, then you should remove it and run the build manually (see below)
      - name: Autobuild
        uses: github/codeql-action/autobuild@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2

      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun

      #   If the Autobuild fails above, remove it and uncomment the following three lines.
      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.

      # - run: |
      #   echo "Run, Build Application using script"
      #   ./location_of_script_within_repo/buildscript.sh

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
        with:
          category: "/language:${{matrix.language}}"

The same workflow, on Latchkey

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

# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
#
# ******** NOTE ********
# We have attempted to detect the languages in your repository. Please check
# the `language` matrix defined below to confirm you have the correct set of
# supported CodeQL languages.
#
name: "CodeQL"
 
on:
  push:
    branches: ["master"]
  pull_request:
    # The branches below must be a subset of the branches above
    branches: ["master"]
  schedule:
    - cron: "0 0 * * 1"
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  analyze:
    timeout-minutes: 30
    name: Analyze
    runs-on: latchkey-small
    permissions:
      actions: read
      contents: read
      security-events: write
 
    strategy:
      fail-fast: false
      matrix:
        language: ["javascript"]
        # CodeQL supports [ $supported-codeql-languages ]
        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
 
    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
        with:
          languages: ${{ matrix.language }}
          # If you wish to specify custom queries, you can do so here or in a config file.
          # By default, queries listed here will override any specified in a config file.
          # Prefix the list here with "+" to use these queries and those in the config file.
 
      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
      # If this step fails, then you should remove it and run the build manually (see below)
      - name: Autobuild
        uses: github/codeql-action/autobuild@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
 
      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
 
      #   If the Autobuild fails above, remove it and uncomment the following three lines.
      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
 
      # - run: |
      #   echo "Run, Build Application using script"
      #   ./location_of_script_within_repo/buildscript.sh
 
      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4.35.2
        with:
          category: "/language:${{matrix.language}}"
 

What changed

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