split.yml

name: Packages Split

on:
  push:
    branches:
      - master
    tags:
      - '*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to split (leave empty for branch-only split)'
        required: false
        type: string

jobs:
  packages_split:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        package:
          - local_path: 'src/contracts'
            split_repository: 'PHP-CA-contracts'
            tag_suffix: ''
          - local_path: 'src/library'
            split_repository: 'PHP-CA-library'
            tag_suffix: ''
          - local_path: 'src/config-manager'
            split_repository: 'PHP-CA-config-manager'
            tag_suffix: ''
          - local_path: 'src/cli'
            split_repository: 'CLI-PHP-CA'
            tag_suffix: '-src'

    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Generate GitHub App token
        id: app-token
        uses: actions/create-github-app-token@v3
        with:
          app-id: ${{ secrets.SPLIT_APP_ID }}
          private-key: ${{ secrets.SPLIT_APP_PRIVATE_KEY }}
          owner: kduma-OSS-splits

      - name: Initialize split repo if empty
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
        run: |
          REPO="kduma-OSS-splits/${{ matrix.package.split_repository }}"
          TMPDIR=$(mktemp -d)
          git clone "https://x-access-token:${GH_TOKEN}@github.com/$REPO.git" "$TMPDIR" 2>&1 || true
          if ! git -C "$TMPDIR" rev-parse HEAD >/dev/null 2>&1; then
            echo "Repository $REPO is empty, initializing with empty commit on master..."
            git -C "$TMPDIR" checkout -b master
            git -C "$TMPDIR" config user.name "github-actions[bot]"
            git -C "$TMPDIR" config user.email "github-actions[bot]@users.noreply.github.com"
            git -C "$TMPDIR" commit --allow-empty -m "Initial commit"
            git -C "$TMPDIR" push origin master
            echo "Initialized $REPO with master branch"
          else
            echo "Repository $REPO already has commits, skipping initialization"
          fi
          rm -rf "$TMPDIR"

      - name: Resolve tag
        id: resolve-tag
        run: |
          if [[ "${{ github.event_name }}" == "workflow_dispatch" && -n "${{ inputs.tag }}" ]]; then
            SOURCE_TAG="${{ inputs.tag }}"
          elif [[ "${{ github.ref }}" == refs/tags/* ]]; then
            SOURCE_TAG="${{ github.ref_name }}"
          else
            SOURCE_TAG=""
          fi
          echo "source_tag=${SOURCE_TAG}" >> "$GITHUB_OUTPUT"
          if [[ -n "$SOURCE_TAG" ]]; then
            echo "split_tag=${SOURCE_TAG}${{ matrix.package.tag_suffix }}" >> "$GITHUB_OUTPUT"
          else
            echo "split_tag=" >> "$GITHUB_OUTPUT"
          fi

      - name: Checkout tag
        if: steps.resolve-tag.outputs.source_tag != ''
        run: git checkout "refs/tags/${{ steps.resolve-tag.outputs.source_tag }}"

      - name: Split (no tag)
        if: steps.resolve-tag.outputs.split_tag == ''
        uses: danharrin/monorepo-split-github-action@v2.4.0
        env:
          PAT: x-access-token:${{ steps.app-token.outputs.token }}
        with:
          package_directory: ${{ matrix.package.local_path }}
          repository_organization: 'kduma-OSS-splits'
          repository_name: ${{ matrix.package.split_repository }}
          branch: 'master'
          user_name: 'github-actions[bot]'
          user_email: 'github-actions[bot]@users.noreply.github.com'

      - name: Split (with tag)
        if: steps.resolve-tag.outputs.split_tag != ''
        uses: danharrin/monorepo-split-github-action@v2.4.0
        env:
          PAT: x-access-token:${{ steps.app-token.outputs.token }}
        with:
          tag: ${{ steps.resolve-tag.outputs.split_tag }}
          package_directory: ${{ matrix.package.local_path }}
          repository_organization: 'kduma-OSS-splits'
          repository_name: ${{ matrix.package.split_repository }}
          branch: 'master'
          user_name: 'github-actions[bot]'
          user_email: 'github-actions[bot]@users.noreply.github.com'