split-plugins.yml

name: Split Plugins

on:
  push:
    branches: [trunk]
    paths:
      - 'plugins/**'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  split:
    name: Split ${{ matrix.plugin.dir }} → ${{ matrix.plugin.repo }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        plugin:
          - { dir: 'internal-comments',                       repo: 'wp-internal-comments' }
          - { dir: 'linked-orders-for-woocommerce',           repo: 'wc-linked-orders' }
          - { dir: 'locked-payment-methods-for-woocommerce',  repo: 'wc-locked-payment-methods' }
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          # Don't install the credential helper that auths as github-actions[bot].
          # We push to the split repos via PAT embedded in the URL — the helper
          # would otherwise hijack the auth and fail with 403.
          persist-credentials: false

      - name: Install splitsh-lite
        run: |
          # v1.0.1 (2017) is the latest splitsh-lite release with a published
          # linux/amd64 binary; v2.0.0 was tagged in 2023 with no assets attached.
          # The tool's `--prefix` behavior hasn't materially changed since v1.
          curl -fsSL -o splitsh.tar.gz https://github.com/splitsh/lite/releases/download/v1.0.1/lite_linux_amd64.tar.gz
          tar -xzf splitsh.tar.gz
          sudo mv splitsh-lite /usr/local/bin/
          rm splitsh.tar.gz

      - name: Compute split SHA for plugins/${{ matrix.plugin.dir }}
        id: split
        run: |
          SHA=$(splitsh-lite --prefix=plugins/${{ matrix.plugin.dir }})
          echo "sha=$SHA" >> "$GITHUB_OUTPUT"
          echo "Split SHA: $SHA"

      - name: Push split to ahegyes/${{ matrix.plugin.repo }}
        env:
          TOKEN: ${{ secrets.MONOREPO_SPLIT_TOKEN }}
          SPLIT_SHA: ${{ steps.split.outputs.sha }}
          TARGET_REPO: ${{ matrix.plugin.repo }}
        run: |
          git push --force "https://x-access-token:${TOKEN}@github.com/ahegyes/${TARGET_REPO}.git" "${SPLIT_SHA}:refs/heads/trunk"