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Scorecard supply-chain security workflow (google/closure-compiler)

The Scorecard supply-chain security workflow from google/closure-compiler, explained and optimized by Latchkey.

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Source: google/closure-compiler.github/workflows/scorecard.ymlLicense Apache-2.0View source

What it does

This is the Scorecard supply-chain security workflow from the google/closure-compiler repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

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

The workflow

workflow (.yml)
# This workflow uses actions that are not certified by GitHub. They are provided
# by a third-party and are governed by separate terms of service, privacy
# policy, and support documentation.

name: Scorecard supply-chain security
on:
  # For Branch-Protection check. Only the default branch is supported. See
  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
  branch_protection_rule:
  # To guarantee Maintained check is occasionally updated. See
  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
  schedule:
    - cron: '43 23 * * 6'
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]

# Declare default permissions as read only.
permissions: read-all

jobs:
  analysis:
    name: Scorecard analysis
    runs-on: ubuntu-latest
    permissions:
      # Needed to upload the results to code-scanning dashboard.
      security-events: write
      # Needed to publish results and get a badge (see publish_results below).
      id-token: write
      # Uncomment the permissions below if installing in a private repository.
      # contents: read
      # actions: read

    steps:
      - name: "Checkout code"
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      # - name: "Run analysis"
      #   uses: ossf/scorecard-action@v2
      #   with:
      #     results_file: results.sarif
      #     results_format: sarif
      #     # (Optional) "write" PAT token. Uncomment the `repo_token` line below if:
      #     # - you want to enable the Branch-Protection check on a *public* repository, or
      #     # - you are installing Scorecard on a *private* repository
      #     # To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat.
      #     # repo_token: ${{ secrets.SCORECARD_TOKEN }}
      #
      #     # Public repositories:
      #     #   - Publish results to OpenSSF REST API for easy access by consumers
      #     #   - Allows the repository to include the Scorecard badge.
      #     #   - See https://github.com/ossf/scorecard-action#publishing-results.
      #     # For private repositories:
      #     #   - `publish_results` will always be set to `false`, regardless
      #     #     of the value entered here.
      #     publish_results: true

      # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
      # format to the repository Actions tab.
      - name: "Upload artifact"
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
        with:
          name: SARIF file
          path: results.sarif
          retention-days: 5

      # # Upload the results to GitHub's code scanning dashboard.
      # - name: "Upload to code-scanning"
      #   uses: github/codeql-action/upload-sarif@v3
      #   with:
      #     sarif_file: results.sarif

The same workflow, on Latchkey

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

# This workflow uses actions that are not certified by GitHub. They are provided
# by a third-party and are governed by separate terms of service, privacy
# policy, and support documentation.
 
name: Scorecard supply-chain security
on:
  # For Branch-Protection check. Only the default branch is supported. See
  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
  branch_protection_rule:
  # To guarantee Maintained check is occasionally updated. See
  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
  schedule:
    - cron: '43 23 * * 6'
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]
 
# Declare default permissions as read only.
permissions: read-all
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  analysis:
    timeout-minutes: 30
    name: Scorecard analysis
    runs-on: latchkey-small
    permissions:
      # Needed to upload the results to code-scanning dashboard.
      security-events: write
      # Needed to publish results and get a badge (see publish_results below).
      id-token: write
      # Uncomment the permissions below if installing in a private repository.
      # contents: read
      # actions: read
 
    steps:
      - name: "Checkout code"
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
 
      # - name: "Run analysis"
      #   uses: ossf/scorecard-action@v2
      #   with:
      #     results_file: results.sarif
      #     results_format: sarif
      #     # (Optional) "write" PAT token. Uncomment the `repo_token` line below if:
      #     # - you want to enable the Branch-Protection check on a *public* repository, or
      #     # - you are installing Scorecard on a *private* repository
      #     # To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat.
      #     # repo_token: ${{ secrets.SCORECARD_TOKEN }}
      #
      #     # Public repositories:
      #     #   - Publish results to OpenSSF REST API for easy access by consumers
      #     #   - Allows the repository to include the Scorecard badge.
      #     #   - See https://github.com/ossf/scorecard-action#publishing-results.
      #     # For private repositories:
      #     #   - `publish_results` will always be set to `false`, regardless
      #     #     of the value entered here.
      #     publish_results: true
 
      # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
      # format to the repository Actions tab.
      - name: "Upload artifact"
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
        with:
          name: SARIF file
          path: results.sarif
          retention-days: 5
 
      # # Upload the results to GitHub's code scanning dashboard.
      # - name: "Upload to code-scanning"
      #   uses: github/codeql-action/upload-sarif@v3
      #   with:
      #     sarif_file: results.sarif
 

What changed

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.

Actions used in this workflow