check-breaking-prs.yml

name: Check JDT.UI For Breaking PRs

on:
#   schedule:
    # - cron: '0 8 * * *'
  workflow_dispatch:

jobs:
  pr-verify-job:
    runs-on: ubuntu-latest
    env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        CC_LIST: '@rgrunber'
    steps:
      - uses: actions/checkout@v4
        with:
          repository: 'eclipse-jdt/eclipse.jdt.ui'
          fetch-depth: 2
          path: eclipse.jdt.ui
      - uses: actions/checkout@v4
        with:
          repository: 'eclipse-jdtls/eclipse.jdt.ls'
          fetch-depth: 2
          path: eclipse.jdt.ls
      - name: Cache Maven local repository
        uses: actions/cache@v4
        with:
          path: |
            ~/.m2/repository
            !~/.m2/repository/org/eclipse/jdt
          key: maven-local-${{ hashFiles('eclipse.jdt.ui/pom.xml') }}
      - name: Set Up Java
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'adopt'
      - name: Set up Maven
        uses: stCarolas/setup-maven@07fbbe97d97ef44336b7382563d66743297e442f # v4.5
        with:
          maven-version: 3.9.4
      - name:
        continue-on-error: true
        run: |
          PRS=`gh --repo=eclipse-jdt/eclipse.jdt.ui pr list --json number | jq .[].number`
          set +e
          for number in `echo ${PRS}`; do
            touchesFiles=`gh --repo=eclipse-jdt/eclipse.jdt.ui pr view ${number} --json files | jq .files[].path | grep 'org.eclipse.jdt.core.manipulation' | wc -l`
            alreadyCommented=`gh --repo=eclipse-jdt/eclipse.jdt.ui pr view ${number} --json comments | jq -r .comments[].body | grep 'eclipse-jdtls/eclipse.jdt.ls' | wc -l`
            if [ "${touchesFiles}" != "0" ] && [ "${alreadyCommented}" == "0" ]; then
              pushd eclipse.jdt.ui
              git fetch origin pull/${number}/head
              git checkout FETCH_HEAD
              mvn -B clean install -Pbuild-individual-bundles -pl org.eclipse.jdt.core.manipulation
              if [ $? -eq 0 ]; then
                popd
                pushd eclipse.jdt.ls
                mvn -B clean verify -DskipTests
                if [ $? -ne 0 ]; then
                  echo gh --repo=eclipse-jdt/eclipse.jdt.ui pr comment ${number} --body="This pull request may break the eclipse-jdtls/eclipse.jdt.ls project. CC'ing ${{ env.CC_LIST }} for awareness."
                fi
              fi
              popd
            fi
          done
          set -e