release.yml

# Name of the action
name: Automatic Release

# Event to run on
on:
  # Will run on every push in the "main" branch
  push:
    branches:
    - main

permissions:
  contents: write

# Jobs that will execute
jobs:
  release:
    name: Release pushed tag
    runs-on: ubuntu-latest
    steps:
      # Checkout repo to bring the script to the repository directory
      - name: checkout repo
        uses: actions/checkout@v4
      - uses: actions/setup-java@v3
        with:
          distribution: temurin
          # Using Java 17 to enable usage of < and > in JavaDoc
          java-version: 17
      - name: Setup Gradle
        uses: gradle/gradle-build-action@v2
      - name: Execute Gradle build
        run: "./gradlew build"
      - name: Create release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPOSITORY_NAME: ${{ github.event.repository.name }}
          # Message specified in the commit
          COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
        run: |
          version=$(grep -Po "(?<=version = (\"|'))([^'\"]+)" build.gradle) && \
          java -jar build/libs/$REPOSITORY_NAME-$version.jar && \
          test "$(gh release list | grep -F "$version")" != "" && gh release delete "$version"; \
          gh release create "$version" \
              --repo="$GITHUB_REPOSITORY" \
              --title="$REPOSITORY_NAME $version" \
              --notes="$COMMIT_MESSAGE" \
              --latest build/libs/$REPOSITORY_NAME-$version.jar