backport.yml

name: Port changes to PoB2
run-name: "Port PR #${{ github.event.pull_request.number || inputs.pr_number }} - ${{ github.event.pull_request.title || 'Manual dispatch' }}"

on:
  pull_request_target:
    types: [closed]
  workflow_dispatch:
    inputs:
      pr_number:
        description: PoB1 PR number to port
        required: true
        type: number

jobs:
  backport:
    if: github.event_name == 'workflow_dispatch' || (github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'pob2'))
    runs-on: ubuntu-latest
    steps:
      - name: Determine PR number
        run: |
          if [ "${{ github.event_name }}" = "pull_request_target" ]; then
            echo "PR_NUMBER=${{ github.event.pull_request.number }}" >> "$GITHUB_ENV"
          else
            echo "PR_NUMBER=${{ github.event.inputs.pr_number }}" >> "$GITHUB_ENV"
          fi

      - name: Fetch PR details
        id: payload
        uses: actions/github-script@v7
        with:
          result-encoding: string
          script: |
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: process.env.PR_NUMBER
            });
            const labels = pr.data.labels.map(l => l.name).join(',');
            return JSON.stringify({
              patch_url: pr.data.patch_url,
              msg: `Apply changes from ${pr.data.html_url}`,
              id: pr.data.number,
              title: pr.data.title,
              labels,
              name: pr.data.user.name || pr.data.user.login,
              user: pr.data.user.login,
            });

      - name: Notify PathOfBuilding-PoE2 repo
        uses: peter-evans/repository-dispatch@v3
        with:
          token: ${{ secrets.WIRES77_PAT }}
          repository: ${{ github.repository_owner }}/PathOfBuilding-PoE2
          event-type: port-changes
          client-payload: ${{ steps.payload.outputs.result }}