lint-mixins.yml

---
name: Mixin

permissions:
  contents: read

on:
  # To conserve resources we only run tests against main in PRs
  pull_request:
    branches:
      - master

jobs:
  check-for-changed-mixins:
    name: Check for changes
    runs-on: ubuntu-latest
    outputs:
      changed-mixins: ${{ steps.changed-mixins.outputs.all_changed_files }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.18
      
      - name: Install CI dependencies
        run: make install-ci-deps
      
      - name: Get changed mixins
        id: changed-mixins
        uses: tj-actions/changed-files@v44
        with:
          dir_names: true
          dir_names_exclude_current_dir: true
          dir_names_max_depth: 1
          files: | 
            **-mixin/
            **-observ-lib/
          matrix: true
          
      - name: List all changed mixins
        run: echo '${{ steps.changed-mixins.outputs.all_changed_files }}'

  lint-mixin:
    name: Run Mixtool
    runs-on: ubuntu-latest
    permissions:
      issues: write
      contents: write
      pull-requests: write
      repository-projects: write
    timeout-minutes: 15
    needs: [check-for-changed-mixins]
    strategy:
      matrix:
        mixin: ${{ fromJSON(needs.check-for-changed-mixins.outputs.changed-mixins) }}
      fail-fast: false
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.18
      
      - name: Install CI dependencies
        run: make install-ci-deps

      - name: Install Mixin dependencies
        working-directory: ./${{ matrix.mixin }}
        run: jb install

      - name: Lint Mixin
        working-directory: ./${{ matrix.mixin }}
        run: mixtool lint mixin.libsonnet