Lint Code Base workflow (BretFisher/udemy-docker-mastery)

The Lint Code Base workflow from BretFisher/udemy-docker-mastery, explained and optimized by Latchkey.

CI health: C - fair

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Source: BretFisher/udemy-docker-mastery.github/workflows/call-super-linter.yamlLicense MITView source

What it does

This is the Lint Code Base workflow from the BretFisher/udemy-docker-mastery 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)

---
# template source: https://github.com/bretfisher/super-linter-workflow/blob/main/templates/call-super-linter.yaml
name: Lint Code Base

on:
  pull_request:

jobs:
  call-super-linter:
    name: Call Super-Linter

    permissions:
      contents: read # clone the repo to lint
      pull-requests: write # create a summary comment in PR
      statuses: write #read/write to repo custom statuses

    ### use Reusable Workflows to call my workflow remotely
    ### https://docs.github.com/en/actions/learn-github-actions/reusing-workflows
    ### you can also call workflows from inside the same repo via file path

    # NOTE: zizmor scanner rule ignore added because we control sha pins via reusable workflow, not calling workflow
    uses: bretfisher/super-linter-workflow/.github/workflows/reusable-super-linter.yaml@main # zizmor: ignore[unpinned-uses]

    ### Optional settings examples

    with:
      ### A regex to exclude files from linting
      ### defaults to empty
      filter-regex-exclude: .*compose-sample-3/html/.*,.*dockerfile-sample-5/.*

The same workflow, on Latchkey

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

---
# template source: https://github.com/bretfisher/super-linter-workflow/blob/main/templates/call-super-linter.yaml
name: Lint Code Base
 
on:
  pull_request:
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  call-super-linter:
    timeout-minutes: 30
    name: Call Super-Linter
 
    permissions:
      contents: read # clone the repo to lint
      pull-requests: write # create a summary comment in PR
      statuses: write #read/write to repo custom statuses
 
    ### use Reusable Workflows to call my workflow remotely
    ### https://docs.github.com/en/actions/learn-github-actions/reusing-workflows
    ### you can also call workflows from inside the same repo via file path
 
    # NOTE: zizmor scanner rule ignore added because we control sha pins via reusable workflow, not calling workflow
    uses: bretfisher/super-linter-workflow/.github/workflows/reusable-super-linter.yaml@main # zizmor: ignore[unpinned-uses]
 
    ### Optional settings examples
 
    with:
      ### A regex to exclude files from linting
      ### defaults to empty
      filter-regex-exclude: .*compose-sample-3/html/.*,.*dockerfile-sample-5/.*

What changed

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.

1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.