BuildMultiplatform.yml

name: Build Multiplatform
run-name: "Build Multiplatform #${{ github.run_number }}"

on:
  push:
    tags:
      - 'v*'
    branches:
      - main

jobs:
  modpack-info:
    name: Modpack Info
    runs-on: ubuntu-latest

    outputs:
      projectname: ${{ steps.info.outputs.projectname }}
      projectsuffix: ${{ steps.info.outputs.projectsuffix }}
      tag: ${{ steps.info.outputs.tag }}
      diff: ${{ steps.info.outputs.diff }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get modpack info
        id: info
        shell: bash
        run: |
          set +e

          # -- CHECK LOCKFILE --

          if [ ! -f pakku-lock.json ]; then
            echo "::error::Could not find pakku-lock.json" && exit 1
          fi

          manifestjson=`cat pakku-lock.json`

          # -- PROJECT NAME --

          projectname=`echo $(jq -r '.name' <<< "$manifestjson")`
          echo "projectname=$projectname" >> $GITHUB_OUTPUT

          # -- TAG --

          latest_tag=$(git describe --tags --abbrev=0)
          echo "tag=$latest_tag" >> $GITHUB_OUTPUT

          # -- PROJECT SUFFIX --

          if [[ ${{ startsWith(github.ref, 'refs/tags/v') }} == true ]]; then
            echo "projectsuffix=$latest_tag" >> $GITHUB_OUTPUT
          else
            echo "projectsuffix=build.${{ github.run_number }}" >> $GITHUB_OUTPUT
          fi

          # -- DIFF --

          previous_commit=$(git log -n 1 --skip 1 --pretty=format:"%h" -- $manifest)

          git show $previous_commit:./pakku-lock.json > ./pakku-lock-prev.json

          curl https://github.com/juraj-hrivnak/pakku/releases/latest/download/pakku.jar -o pakku.jar -L -J
          java -jar ./pakku.jar diff ./pakku-lock-prev.json ./pakku-lock.json --markdown PROJECTS_DIFF.md

          # -- OUTPUT DIFF --

          cat PROJECTS_DIFF.md >> $GITHUB_STEP_SUMMARY

          {
            echo 'diff<<EOF'
            cat PROJECTS_DIFF.md
            echo EOF
          } >> "$GITHUB_OUTPUT"

      - name: Send Discord message
        uses: "hugoalh/send-discord-webhook-ghaction@v6.0.2"
        if: ${{ steps.info.outputs.diff != '' }}
        with:
          key: ${{ secrets.DISCORD_WEBHOOK }}
          username: "GitHub"
          avatar_url: "https://github.githubassets.com/assets/GitHub-Mark-ea2971cee799.png"
          embeds: |
            [
              {
                "description": "${{ steps.info.outputs.diff }}",
                "color": "Discord Blurple",
              }
            ]

  build-modpack:
    name: Build Modpack
    runs-on: ubuntu-latest
    needs: [modpack-info]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Replace tokens
        shell: bash
        run: |
          set +e

          manifest="./pakku.json"
          custom_window_title="./config/fancymenu/config.txt"
          fancymenu="./config/fancymenu/customization/main_menu.txt"
          rich_presence="./config/DiscordRPC.cfg"
          grooovy="./groovy/runConfig.json"

          perl -i -pe "s/\@version\@/${{ needs.modpack-info.outputs.projectsuffix }}/g" $manifest
          perl -i -pe "s/\@version\@/${{ needs.modpack-info.outputs.projectsuffix }}/g" $custom_window_title
          perl -i -pe "s/\@version\@/${{ needs.modpack-info.outputs.projectsuffix }}/g" $fancymenu
          perl -i -pe "s/\@version\@/${{ needs.modpack-info.outputs.projectsuffix }}/g" $rich_presence
          perl -i -pe "s/\@version\@/${{ needs.modpack-info.outputs.projectsuffix }}/g" $grooovy

          cat <<< $(jq '.debug = false' $grooovy) > $grooovy

      - name: Export modpack
        run: |
          mkdir build
          curl https://github.com/juraj-hrivnak/pakku/releases/latest/download/pakku.jar -o pakku.jar -L -J
          java -jar ./pakku.jar export build

      - name: Upload modpacks
        uses: actions/upload-artifact@v4
        with:
          name: modpacks
          path: build/