BuildMultiplatform.yml

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

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

# Project IDs of the modpack.
# Note that CF_TOKEN and MR_TOKENT must be set up for this to work.
env:
  CF_PROJECT_ID: "399664"
  MR_PROJECT_ID: "ZmoIrOsS"

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 }}
      rel_type: ${{ steps.info.outputs.rel_type }}
      diff: ${{ steps.info.outputs.diff }}
      news: ${{ steps.info.outputs.news }}

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

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

          echo "🔎 Getting modpack info..."

          # -- CHECK LOCKFILE --

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

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

          config_file=`cat pakku.json`

          # -- PROJECT NAME --

          projectname=`echo $(jq -r '.name' <<< "$config_file")`
          echo "projectname=$projectname" >> $GITHUB_OUTPUT
          echo "📃 projectname=$projectname"
          echo -e "📃 projectname=$projectname" >> $GITHUB_STEP_SUMMARY

          # -- TAGS --

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

          # -- PROJECT SUFFIX --

          projectsuffix=build.${{ github.run_number }}

          if [[ ${{ startsWith(github.ref, 'refs/tags/v') }} == true ]]; then
            projectsuffix=$latest_tag
          fi

          echo "projectsuffix=$projectsuffix" >> $GITHUB_OUTPUT
          echo "📃 projectsuffix=$projectsuffix"
          echo -e "📃 projectsuffix=$projectsuffix" >> $GITHUB_STEP_SUMMARY

          # -- RELEASE TYPE

          rel_type="release"
          case $latest_tag in
            *alpha*) rel_type="alpha" ;;
            *beta*) rel_type="beta" ;;
            *) rel_type="release" ;;
          esac

          echo "rel_type=$rel_type" >> $GITHUB_OUTPUT
          echo "📃 rel_type=$rel_type"
          echo -e "📃 rel_type=$rel_type" >> $GITHUB_STEP_SUMMARY

          # -- DIFF --

          latest_tagged_commit=$(git rev-list -n 1 --pretty=format:"%h" $latest_tag | sed -n 2p)

          if [ "$latest_tag" = ${{ github.ref_name }} ]; then
            latest_tag_prev=$(git describe --tags --abbrev=0 $(git describe --tags --abbrev=0)^)
            latest_tagged_commit=$(git rev-list -n 1 --pretty=format:"%h" $latest_tag_prev | sed -n 2p)
          fi

          echo "📃 latest_tagged_commit=$latest_tagged_commit"
          echo -e "📃 latest_tagged_commit=$latest_tagged_commit" >> $GITHUB_STEP_SUMMARY

          git show $latest_tagged_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 -v --markdown PROJECTS_DIFF.md

          # -- OUTPUT DIFF --

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

          // -- CHANGELOG --

          changelog="./CHANGELOG.md"

          # Replace @mod_changes@
          mod_changes=$(cat PROJECTS_DIFF.md | sed -r 's/[/]/\\\//g')
          perl -i -pe "s/\@mod_changes\@/$mod_changes/g" $changelog

          # Get & upload @news@
          news=$(grep -Pzo '\@news\@\{\K[\s]\n*([\s\S]*)\n(?=\})' $changelog | sed '/^$/d' | sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g')
          echo news=$news >> $GITHUB_OUTPUT

          # Replace @news@
          perl -0777 -i -pe "s/\@news\@\{[\s]\n*([\s\S]*)\n\}\n/$news/g" $changelog

          echo -e "***" >> $GITHUB_STEP_SUMMARY
          cat $changelog >> $GITHUB_STEP_SUMMARY

          # Finally, Rename changelog
          mv $changelog "CHANGELOG-$projectsuffix.md"

      - name: Upload changelog
        uses: actions/upload-artifact@v4
        with:
          name: changelog
          path: CHANGELOG-*.md
      - name: Send Discord message
        uses: hugoalh/send-discord-webhook-ghaction@v7.0.1
        if: ${{ steps.info.outputs.diff != '' }}
        with:
          key: ${{ secrets.DISCORD_WEBHOOK_DEV }}
          username: "GitHub"
          avatar_url: "https://github.githubassets.com/assets/GitHub-Mark-ea2971cee799.png"
          content: ${{ steps.info.outputs.diff }}

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

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

      - name: Set GroovyScript debug mode to 'false'
        shell: bash
        run: |
          set +e

          grooovy="./groovy/runConfig.json"
          cat <<< $(jq '.debug = false' $grooovy) > $grooovy

      - name: Cache pakku
        uses: actions/cache@v4
        with:
          path: build/.cache
          key: ${{ runner.OS }}-pakku-cache-${{ hashFiles('build/.cache/') }}
          restore-keys: |
            ${{ runner.OS }}-pakku-cache-

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

      - name: Upload build
        uses: actions/upload-artifact@v4
        with:
          name: build
          path: |
            build/
            !build/.*

  release:
    name: Release
    runs-on: ubuntu-latest
    needs: [build-modpack]
    permissions:
      contents: write
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: changelog

      - uses: actions/download-artifact@v4
        with:
          name: build
          path: build

      - uses: Kir-Antipov/mc-publish@v3.3
        with:
          modrinth-id: ${{ env.MR_PROJECT_ID }}
          modrinth-token: ${{ secrets.MR_TOKEN }}
          files: build/modrinth/**

          game-versions: 1.12.2
          loaders: forge

          changelog-file: ./CHANGELOG-*.md

      - uses: Kir-Antipov/mc-publish@v3.3
        with:
          curseforge-id: ${{ env.CF_PROJECT_ID }}
          curseforge-token: ${{ secrets.CF_TOKEN }}
          files: build/curseforge/**

          game-versions: 1.12.2
          loaders: forge

          changelog-file: ./CHANGELOG-*.md

      - uses: Kir-Antipov/mc-publish@v3.3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          files: build/**

          game-versions: 1.12.2
          loaders: forge

          changelog-file: ./CHANGELOG-*.md

  update-changelogs:
    name: Update Changelogs
    runs-on: ubuntu-latest
    needs: [release]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download changelog
        uses: actions/download-artifact@v4
        with:
          name: changelog
          path: pax/changelogs

      - name: Move changelogs
        run: |
          rm CHANGELOG.md
          cp pax/changelogs/TEMPLATE.md CHANGELOG.md

      - name: Commit changelogs
        run: |
          git add .
          git config --local user.name "Juraj Hrivnak"
          git config --local user.email "juraj-hrivnak@users.noreply.github.com"
          git commit -m "Automatically update changelogs" -a

      - name: Push changelogs
        uses: ad-m/github-push-action@v0.8.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: main