release.yml

name: Release

on:
  release:
    types:
      - published

permissions:
  contents: write

jobs:
  publish:
    name: Publish
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up JDK
        uses: actions/setup-java@v5
        with:
          java-version: 25
          distribution: temurin
          cache: gradle

      - name: Prepare release metadata
        id: metadata
        shell: bash
        run: |
          set -euo pipefail

          release_name="$(jq -r '.release.name // ""' "$GITHUB_EVENT_PATH")"
          notes="$(jq -r '.release.body // ""' "$GITHUB_EVENT_PATH")"

          if [ -z "$notes" ]; then
            notes="${release_name:-Release}"
          fi

          {
            echo "changelog<<EOF"
            printf '%s\n' "$notes"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Publish release
        run: ./gradlew publishMods
        env:
          CHANGELOG: ${{ steps.metadata.outputs.changelog }}
          MODRINTH_TOKEN: ${{ secrets.MODRINTH_TOKEN }}

      - name: Locate release jars
        id: artifacts
        shell: bash
        run: |
          set -euo pipefail

          mapfile -t all_jars < <(find versions -path '*/build/libs/*.jar' -type f | sort)
          if [ "${#all_jars[@]}" -eq 0 ]; then
            echo "No jars found under versions/*/build/libs" >&2
            exit 1
          fi

          {
            echo "all_files<<EOF"
            printf '%s\n' "${all_jars[@]}"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Attach jars to GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.event.release.tag_name }}
          files: ${{ steps.artifacts.outputs.all_files }}