release.yml

name: Build and Release

on:
  push:
    branches: [main]
    paths:
      - 'src/**'
      - 'build.gradle.kts'
      - 'gradle/**'
      - '.github/workflows/release.yml'
  pull_request:
    paths:
      - 'src/**'
      - 'build.gradle.kts'
      - 'gradle/**'
      - '.github/workflows/release.yml'
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (e.g. 0.3.0)'
        required: true
        type: string
      release_name:
        description: 'Optional release title override'
        required: false
        type: string
      prerelease:
        description: 'Mark as prerelease'
        required: true
        default: false
        type: boolean

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v4

      - name: Set up Java
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 25

      - name: Determine release metadata
        id: meta
        if: github.event_name != 'pull_request'
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            TAG="v${{ github.event.inputs.version }}"
            RELEASE_NAME="${{ github.event.inputs.release_name }}"
            [ -z "$RELEASE_NAME" ] && RELEASE_NAME="$TAG"
            [ "${{ github.event.inputs.prerelease }}" = "true" ] && PRERELEASE="true" || PRERELEASE="false"
          else
            VERSION=$(grep '^mod-version' gradle/libs.versions.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')
            TIMESTAMP=$(date -u +%Y%m%d-%H%M%S)
            TAG="v${VERSION}-dev.${TIMESTAMP}"
            RELEASE_NAME="Dev Build ${VERSION} (${TIMESTAMP})"
            PRERELEASE="true"
          fi
          {
            echo "tag_name=$TAG"
            echo "release_name=$RELEASE_NAME"
            echo "prerelease=$PRERELEASE"
          } >> "$GITHUB_OUTPUT"

      - name: Make Gradle wrapper executable
        run: chmod +x ./gradlew

      - name: Build with Gradle
        run: ./gradlew build --no-configuration-cache

      - name: Publish Release
        if: github.event_name != 'pull_request'
        uses: softprops/action-gh-release@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.meta.outputs.tag_name }}
          target_commitish: ${{ github.sha }}
          name: ${{ steps.meta.outputs.release_name }}
          prerelease: ${{ steps.meta.outputs.prerelease }}
          files: build/libs/*.jar
          fail_on_unmatched_files: true
          generate_release_notes: ${{ github.event_name == 'workflow_dispatch' }}