jar-on-demand.yaml

name: JAR on Demand

on:
  issue_comment:
    types: [created]

jobs:
  handle-request:
    if: github.event.issue.pull_request && contains(github.event.comment.body, '!!!jar')
    runs-on: ubuntu-latest
    steps:
      - name: Acknowledge request
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: >
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: 'Building JAR...'
              })
      - name: Install JDK
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
      - name: Lookup branches
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: >
            var pull_promise = github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });
            pull_promise.then(pull => {
              core.exportVariable("feature_repo", pull.data.head.repo.full_name);
              core.exportVariable("feature_ref", pull.data.head.ref);
              core.exportVariable("master_repo", pull.data.base.repo.full_name);
              core.exportVariable("master_ref", pull.data.base.ref);
            });
      - name: Check out feature branch
        uses: actions/checkout@v4
        with:
          repository: ${{ env.feature_repo }}
          ref: ${{ env.feature_ref }}
      - name: Build
        run: ./gradlew jar
      - name: Upload feature phases results
        uses: actions/upload-artifact@v4
        with:
          name: JAR
          path: build/libs/flix.jar
      - name: Comment phase report
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: >
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: "The JAR is available [HERE](" + "https://github.com/" + context.repo.owner + "/" + context.repo.repo + "/actions/runs/" + context.runId + ")."
              })