release.yml

name: Build and Release Addon

on:
  push:
    branches:
      - main
    paths:
      - '**/*.java'
      - 'webui/**'
      - 'src/main/resources/**'
      - 'build.gradle.kts'
      - 'gradle.properties'
      - 'gradle/libs.versions.toml'
      - '.github/workflows/release.yml'
  pull_request:
    paths:
      - '**/*.java'
      - 'webui/**'
      - 'src/main/resources/**'
      - 'build.gradle.kts'
      - 'gradle.properties'
      - 'gradle/libs.versions.toml'
      - '.github/workflows/release.yml'
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (e.g. 1.2.3)'
        required: true
        type: string
      release_name:
        description: 'Optional release title override'
        required: false
        type: string
      prerelease:
        description: 'Mark the manual release as a 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: 21

      - 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="${{ github.event.inputs.release_name }}"
            if [ -z "$RELEASE_NAME" ]; then
              RELEASE_NAME="$TAG"
            fi
            if [ "${{ github.event.inputs.prerelease }}" = "true" ]; then
              PRERELEASE="true"
            else
              PRERELEASE="false"
            fi
          else
            TAG="snapshot"
            RELEASE_NAME="Dev Build"
            PRERELEASE="true"
          fi
          {
            echo "tag_name=$TAG"
            echo "release_name=$RELEASE_NAME"
            echo "prerelease=$PRERELEASE"
          } >> "$GITHUB_OUTPUT"

      - name: Move snapshot tag to current commit
        if: github.event_name != 'pull_request' && github.event_name != 'workflow_dispatch'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -f snapshot "$GITHUB_SHA"
          git push --force "https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" refs/tags/snapshot

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

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

      - name: Remove old jar assets from target release
        if: github.event_name != 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const tag = '${{ steps.meta.outputs.tag_name }}';
            let release;
            try {
              release = await github.rest.repos.getReleaseByTag({
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag
              });
            } catch (error) {
              if (error.status === 404) {
                core.info(`Release for tag ${tag} does not exist yet; skipping cleanup.`);
                return;
              }
              throw error;
            }

            const jarAssets = release.data.assets.filter(asset => asset.name.endsWith('.jar'));
            for (const asset of jarAssets) {
              await github.rest.repos.deleteReleaseAsset({
                owner: context.repo.owner,
                repo: context.repo.repo,
                asset_id: asset.id
              });
              core.info(`Deleted old asset: ${asset.name}`);
            }

      - 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