check_for_api_changes.yml

name: Check for api changes

on: pull_request

jobs:
  check-for-api-changes:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout master
        uses: actions/checkout@v3.5.3
        with:
          ref: ${{ github.base_ref }}

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: 17
          distribution: temurin
          cache: gradle

      - name: Generate the api file
        run: |
          ./gradlew exportApi --no-daemon

      - name: Save public.api from master
        run: |
          mkdir ~/common/ && \
          mkdir ~/generativeai/ && \
          mv generativeai/public.api ~/generativeai/public.api && \
          mv common/public.api ~/common/public.api

      - name: Checkout branch
        uses: actions/checkout@v3.5.3

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: 17
          distribution: temurin
          cache: gradle

      - name: Copy saved api to branch
        run: |
          mv ~/generativeai/public.api generativeai/public.api && \
          mv ~/common/public.api common/public.api

      - name: Run api warning task
        run: |
          ./gradlew warnAboutApiChanges --no-daemon

      - name: Add PR Comment
        if: ${{ hashFiles('api_changes.md') != '' }}
        uses: marocchino/sticky-pull-request-comment@v2.8.0
        with:
          header: api_changes
          path: build/api_changes.md

      - name: Remove old PR Comment
        if: ${{ hashFiles('api_changes.md') == '' }}
        uses: marocchino/sticky-pull-request-comment@v2.8.0
        with:
          header: api_changes
          delete: true