pr-check.yml

---
name: pr check

permissions:
  contents: read
  pull-requests: write
  id-token: write

on:
  pull_request:
    branches:
      - main
  workflow_dispatch:

jobs:
  libschanged:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Get list of changed libs
        id: libs
        run: |
          DIFF="$(git diff --name-only origin/${{ github.base_ref }} | xargs dirname | sort | uniq)"
          LIBDIFF="$(echo "${DIFF}" | grep '^platform/' || true)"
          if [ -z "${LIBDIFF}" ]; then
            echo "No libraries changed"
            echo "list=[]" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          LIBS=$(echo "${LIBDIFF}" | cut -d'/' -f2 | sort | uniq)
          JSONARRAY=$(echo "${LIBS}" | jq -R -s -c 'split("\n")'[:-1])
          echo "list=${JSONARRAY}" >> "$GITHUB_OUTPUT"
        shell: bash

    outputs:
      list: ${{ steps.libs.outputs.list }}

  checklib:
    needs: libschanged
    if: ${{ needs.libschanged.outputs.list != '[]' }}
    runs-on: ubuntu-latest
    environment: test
    strategy:
      matrix:
        lib: ${{ fromJson(needs.libschanged.outputs.list) }}
    steps:
      - name: Checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Set up go
        uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
        with:
          check-latest: true

      - name: Install alzlibtool
        run: go install github.com/Azure/alzlib/cmd/alzlibtool@v0.18.0

      - name: Azure login
        uses: azure/login@6c251865b4e6290e7b78be643ea2d005bc51f69a # v2.1.1
        with:
          client-id: ${{ vars.AZURE_CLIENT_ID }}
          tenant-id: ${{ vars.AZURE_TENANT_ID }}
          allow-no-subscriptions: true

      - name: Check lib
        run: |
          alzlibtool check library "platform/${{ matrix.lib }}"
        shell: bash