release.yml

# Performs all releases using a multipart approach
name: release

env:
  PROJECT_NAME: GraphLib
  JAVADOC_DIR: com/kneelawk/graphlib/graphlib-javadoc-xplat
  MAVEN_IDENTIFIER: 'com.kneelawk.graphlib:graphlib-core-xplat-intermediary'
  ROLE_ID: '1239437674058879047'

# Variant: github, maven+javadoc, discord

# Changes:
# 2023-04-22 - Kneelawk: Added changes & variant comments. Fixed Grab CF File ID task name. Renamed build job to
#                        build-release. Reformatted.
# 2023-04-22 - Kneelawk: Fix references to build job to point to build-release job.
# 2023-04-22 - Kneelawk: Copy gradle caches to prevent re-building in publishing jobs.
# 2023-05-02 - Kneelawk: Added javadoc publishing. Added maven job step for getting proper tag version by removing 'v'.
# 2023-05-08 - Kneelawk: Combined maven and javadoc steps.
# 2023-05-10 - Kneelawk: Copy all javadoc directories in the docs directory.
# 2023-05-10 - Kneelawk: Use regular publish gradle task.
# 2023-12-12 - Kneelawk: Switch back to single-job system to avoid uploading massive artifacts.

on:
  push:
    tags:
      # matches things like v0.3.3+1.18.2
      - 'v[0-9]+.[0-9]+.[0-9]+\+[0-9]+.[0-9]+.[0-9]+'
      # matches things like v0.4.0+1.19
      - 'v[0-9]+.[0-9]+.[0-9]+\+[0-9]+.[0-9]+'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Validate Gradle Wrapper
        uses: gradle/wrapper-validation-action@v1
      - name: Setup JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21
      - name: Make Gradle Wrapper Executable
        run: chmod +x ./gradlew
      - name: Build
        run: ./gradlew build
        env:
          RELEASE_TAG: ${{ github.ref_name }}
      - name: Capture Build Directory
        uses: actions/upload-artifact@v4
        with:
          name: build-dir
          path: build/
      - name: Github Release
        uses: softprops/action-gh-release@v2
        with:
          body_path: changelogs/changelog-${{ github.ref_name }}.md
          files: build/libs/*
        env:
          GITHUB_TOKEN: ${{ secrets.PUBLISH_TOKEN }}
      - name: Maven Release
        run: ./gradlew publish -PkneelawkUsername=${{ secrets.MAVEN_USERNAME }} -PkneelawkPassword=${{ secrets.MAVEN_PASSWORD }}
        env:
          RELEASE_TAG: ${{ github.ref_name }}
      # This is the mess that publishes discord notifications
      - name: Read Changelog File
        uses: juliangruber/read-file-action@v1
        id: changelog
        with:
          path: changelogs/changelog-${{ github.ref_name }}.md
      - name: Process Changelog for Announcement
        uses: actions/github-script@v7
        id: announcement_text
        env:
          CHANGELOG: ${{ steps.changelog.outputs.content }}
          TAG_VERSION: ${{ github.ref_name }}
        with:
          script: |
            let fullVersion = process.env.TAG_VERSION;
            let versions = fullVersion.split('+');
            let mavenVersion = fullVersion.substring(1);
            let lines = process.env.CHANGELOG.split('\n');
            let changesStart = lines.findIndex(line => line.startsWith('*'));
            lines.splice(0, changesStart);
            lines.unshift(`# ${process.env.PROJECT_NAME} Release`, `**<@&${process.env.ROLE_ID}> ${process.env.PROJECT_NAME} ${versions[0]} has been released for Minecraft ${versions[1]}!**`, '', '__Changes:__');
            lines.push("Available on Kneelawk's maven: https://maven.kneelawk.com/releases/", `With the identifier: \`${process.env.MAVEN_IDENTIFIER}:${mavenVersion}\``);
            lines.push(`Javadoc available at: https://maven.kneelawk.com/javadoc/releases/${process.env.JAVADOC_DIR}/${mavenVersion}`);
            return lines.join('\n');
          result-encoding: string
      - name: Make Release Announcement
        uses: Ilshidur/action-discord@0.3.2
        env:
          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
        with:
          args: ${{ steps.announcement_text.outputs.result }}