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CodeQL workflow (trpc/trpc)

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

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

What it does

This is the CodeQL workflow from the trpc/trpc 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: [main, 0.x]
  pull_request:
    # The branches below must be a subset of the branches above
    branches: [main]
  schedule:
    - cron: '27 0 * * 0'

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

    strategy:
      fail-fast: false
      matrix:
        language: ['typescript']
        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
        # Learn more:
        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@v4
        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.
          # queries: ./path/to/local/query, your-org/your-repo/queries@main

      # 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@v4

      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 https://git.io/JvXDl

      # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
      #    and modify them (or add more) to build your code if your project
      #    uses a compiled language

      #- run: |
      #   make bootstrap
      #   make release

      - 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.

# 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: [main, 0.x]
  pull_request:
    # The branches below must be a subset of the branches above
    branches: [main]
  schedule:
    - cron: '27 0 * * 0'
 
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: ['typescript']
        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
        # Learn more:
        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
 
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
 
      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@v4
        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.
          # queries: ./path/to/local/query, your-org/your-repo/queries@main
 
      # 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@v4
 
      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 https://git.io/JvXDl
 
      # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
      #    and modify them (or add more) to build your code if your project
      #    uses a compiled language
 
      #- run: |
      #   make bootstrap
      #   make release
 
      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v4
 

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