mega-linter.yml

##
# MegaLinter GitHub Action configuration file.
#
# @link https://megalinter.io
#
---
name: MegaLinter

on:
  ##
  # Run whenever Pull Requests merge into environment Branches.
  #
  # Later logic enforces a full code-wide test on only the `production` and `staging` Branches. The `main` Branch only
  # has changed files linted for efficiency.
  #
  # TEMPLATE TODO - Remove any environment Branches this project won't use.
  #
  push:
    branches:
      - main
      - production
      - staging

  ##
  # Run whenever a Pull Request occurs on any Branch, regardless of target.
  #
  # Later logic enforces linting on only changed files in these instances for efficiency.
  #
  pull_request:

##
# All steps should have read-only access, unless explicitly given.
#
permissions: read-all

##
# Environment configurations.
#
# @link https://docs.github.com/en/actions/learn-github-actions/contexts#env-context
#
env:
  ##
  # Automatically apply formatting fixes during linting for minor formatting and consistency problems.
  #
  # With this configuration, both `push` and `pull_request` events apply fixes directly into the commit, as opposed to
  # opening a separate Pull Request with the changes.
  #
  # @link https://megalinter.io/latest/config-apply-fixes/
  #
  APPLY_FIXES: all
  APPLY_FIXES_EVENT: all
  APPLY_FIXES_MODE: commit

##
# Cancel any in-progress GitHub Actions for the same Branch when triggering a new workflow.
#
# @link https://docs.github.com/en/actions/using-jobs/using-concurrency
#
concurrency:
  group: ${{ github.ref }}-${{ github.workflow }}
  cancel-in-progress: true

##
# Linting steps.
#
# @link https://docs.github.com/en/actions/using-jobs/using-jobs-in-a-workflow
#
jobs:
  build:
    name: MegaLinter
    runs-on: ubuntu-latest

    ##
    # This job's `GITHUB_TOKEN` or `PAT` must have these permissions.
    #
    # Always aim to provide as few permissions as possible for personal access tokens.
    #
    # @link https://docs.github.com/en/actions/security-guides/automatic-token-authentication
    #
    # TEMPLATE TODO - Adjust permissions to the minimum possible for how you use this linter.
    #
    permissions:
      contents: write
      issues: write
      pull-requests: write

    steps:
      ##
      # Checkout the Repository for linting.
      #
      # @link https://github.com/actions/checkout
      #
      - name: Checkout code
        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # @3.6.0
        with:
          token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}

          ##
          # A fetch depth of `0` pulls the entire Repository's history, Branches, and Tags. Limiting this to `1`
          # increases efficiency, but is only applicable for end-to-end code tests.
          #
          # End-to-end tests only occur when pushing to environment Branches, or when the `production` or `staging`
          # Branches have a Pull Request. Any Pull Requests into `main` tests only changed files, and therefore requires
          # requires a full checkout of the Repository.
          #
          fetch-depth: >-
            ${{
              (
                github.event_name == 'push' ||
                ( github.event_name == 'pull_request' && github.ref != 'refs/head/main' )
              )
              && 1
              || 0
            }}

      ##
      # Run MegaLinter.
      #
      # @link https://github.com/oxsecurity/megalinter
      #
      - name: Lint with MegaLinter
        id: ml

        ##
        # The template that generated this project uses the full MegaLinter image, by default, which is extremely large
        # and has numerous linters likely not needed by any one specific project.
        #
        # @link https://megalinter.io/flavors/
        #
        # TEMPLATE TODO - Select a more-specific MegaLinter flavor for the project and update the `uses` configuration
        # here to significantly increase GitHub Action performance.
        #
        uses: oxsecurity/megalinter@7e042c726c68415475b05a65a686c612120a1232 # @v7.7.0

        ##
        # Variables are overridden on GitHub workflows for certain conditions.
        #
        # https://megalinter.io/configuration/
        #
        env:
          ##
          # Lint the entire codebase any time a push, or merge, occurs on any environment Branch, or for any Pull
          # Requests that are on any Branch but `main`.
          #
          VALIDATE_ALL_CODEBASE: >-
            ${{
              (
                github.event_name == 'push' ||
                ( github.event_name == 'pull_request' && github.ref != 'refs/head/main' )
              )
              && 'true'
              || 'false'
            }}

          ##
          # This token is automatically created on the GitHub server.
          #
          # If running locally, provide this token with the `gh` utility. For example, with `act`:
          #
          # ```sh
          # act -s GITHUB_TOKEN="$(gh auth token)"
          # ```
          #
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

          ##
          # TEMPLATE TODO - Add custom environment variables here to override anything from the root .mega-linter.yml
          #

      ##
      # Upload MegaLinter artifacts.
      #
      # This stores each report and log from tests for reference after CI/CD.
      #
      # @link https://github.com/actions/upload-artifact
      # @link https://megalinter.io/latest/reporters/
      #
      - name: Archive production artifacts
        if: success() || failure()
        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # @3.1.3
        with:
          name: MegaLinter reports
          path: |
            megalinter-reports
            mega-linter.log

      ##
      # Create a Pull Request with any automatic fixes, if configured to do so.
      #
      # This doesn't currently work for Forks, only Pull Requests from the same Repository.
      #
      - name: Create Pull Request with applied fixes
        id: cpr
        if: |
          steps.ml.outputs.has_updated_sources == 1 &&
          (
            env.APPLY_FIXES_EVENT == 'all' ||
            env.APPLY_FIXES_EVENT == github.event_name
          ) &&
          env.APPLY_FIXES_MODE == 'pull_request' &&
          (
            github.event_name == 'push' ||
            github.event.pull_request.head.repo.full_name == github.repository
          ) &&
          !contains(github.event.head_commit.message, 'skip fix')
        uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38 # @5.0.2
        with:
          token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
          commit-message: "[MegaLinter] Apply linters automatic fixes"
          title: "[MegaLinter] Apply linters automatic fixes"
          labels: bot

      - name: Create Pull Request output
        if: |
          steps.ml.outputs.has_updated_sources == 1 &&
          (
            env.APPLY_FIXES_EVENT == 'all' ||
            env.APPLY_FIXES_EVENT == github.event_name
          ) &&
          env.APPLY_FIXES_MODE == 'pull_request' &&
          (
            github.event_name == 'push' ||
            github.event.pull_request.head.repo.full_name == github.repository
          ) &&
          !contains(github.event.head_commit.message, 'skip fix')
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"

      - name: Prepare commit
        if: |
          steps.ml.outputs.has_updated_sources == 1 &&
          (
            env.APPLY_FIXES_EVENT == 'all' ||
            env.APPLY_FIXES_EVENT == github.event_name
          ) &&
          env.APPLY_FIXES_MODE == 'commit' &&
          github.ref != 'refs/heads/main' &&
          (
            github.event_name == 'push' ||
            github.event.pull_request.head.repo.full_name == github.repository
          ) &&
          !contains(github.event.head_commit.message, 'skip fix')
        run: sudo chown -Rc $UID .git/

      - name: Commit and push applied linter fixes
        if: |
          steps.ml.outputs.has_updated_sources == 1 &&
          (
            env.APPLY_FIXES_EVENT == 'all' ||
            env.APPLY_FIXES_EVENT == github.event_name
          ) &&
          env.APPLY_FIXES_MODE == 'commit' &&
          github.ref != 'refs/heads/main' &&
          (
            github.event_name == 'push' ||
            github.event.pull_request.head.repo.full_name == github.repository
          ) &&
          !contains(github.event.head_commit.message, 'skip fix')
        uses: stefanzweifel/git-auto-commit-action@3ea6ae190baf489ba007f7c92608f33ce20ef04a # @4.16.0
        with:
          branch: ${{ github.event.pull_request.head.ref || github.head_ref || github.ref }}
          commit_message: "[MegaLinter] Apply linters fixes"
          commit_user_name: megalinter-bot
          commit_user_email: nicolas.vuillamy@ox.security