ci.yml

name: CI

on:
  push:
    branches: [ master, main ]
  pull_request:
    branches: [ master, main ]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 11
        uses: actions/setup-java@v4
        with:
          java-version: '11'
          distribution: 'temurin'

      - name: Cache Maven packages
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: Build and Test
        run: mvn clean test post-integration-test

  # Tags and releases the version declared in pom.xml once it reaches the
  # default branch. A version that is already tagged is left alone.
  release:
    needs: test
    if: github.event_name == 'push' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
    runs-on: ubuntu-latest
    permissions:
      contents: write
    concurrency:
      group: release
      cancel-in-progress: false
    outputs:
      tag: ${{ steps.version.outputs.tag }}
      created: ${{ steps.release.outputs.created }}
    steps:
      - uses: actions/checkout@v4

      - name: Read the version from pom.xml
        id: version
        run: |
          VERSION=$(awk '/<artifactId>ipdata-java-client<\/artifactId>/{f=1} f&&/<version>/{sub(/.*<version>/,"");sub(/<\/version>.*/,"");print;exit}' pom.xml)
          if [ -z "$VERSION" ]; then
            echo "::error file=pom.xml::Could not read the project version"
            exit 1
          fi
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=v$VERSION" >> "$GITHUB_OUTPUT"

      - name: Create the tag and the GitHub release
        id: release
        env:
          GH_TOKEN: ${{ github.token }}
          TAG: ${{ steps.version.outputs.tag }}
        run: |
          status=0
          git ls-remote --exit-code --tags origin "refs/tags/$TAG" > /dev/null || status=$?
          if [ "$status" -eq 0 ]; then
            echo "Tag $TAG already exists; nothing to release."
            echo "created=false" >> "$GITHUB_OUTPUT"
            exit 0
          elif [ "$status" -ne 2 ]; then
            echo "::error::git ls-remote failed with status $status"
            exit "$status"
          fi
          gh release create "$TAG" --target "$GITHUB_SHA" --title "$TAG" --generate-notes
          echo "Created tag and release $TAG."
          echo "created=true" >> "$GITHUB_OUTPUT"

  # A tag created with the workflow token does not trigger the Release
  # workflow on its own, so the Maven Central deploy runs in this run.
  publish:
    needs: release
    if: needs.release.outputs.created == 'true'
    uses: ./.github/workflows/release.yml
    with:
      tag: ${{ needs.release.outputs.tag }}
    secrets: inherit