rocm-systems/.github/workflows/import_pr_list.yml

name: Import Subrepo PRs LIST

on:
  workflow_dispatch:
    inputs:
      subrepo-prefix:
        description: "super-repo path prefix (e.g., projects/rocblas)"
        required: true
      subrepo-pr-numbers:
        description: "Comma-separated list of Subrepo PR numbers to import"
        required: true
      subrepo-repo:
        description: "Full name of subrepo repo or fork (e.g., ROCm/rocBLAS or user/rocBLAS-fork)"
        required: true
      subrepo-upstream:
        description: "Canonical subrepo repo (e.g., ROCm/rocBLAS)"
        required: true
      super-repo-target-branch:
        description: "Target branch in the super-repo (default: develop)"
        required: false
        default: "develop"

jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Convert PR numbers to matrix
        id: set-matrix
        run: |
          echo "matrix=$COMPACT" >> $GITHUB_OUTPUT

  import:
    needs: generate-matrix
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        pr_number: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
    steps:
      - name: Validate maintainer permissions
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          echo "Actor is: ${{ github.actor }}"
          PERMISSION=$(gh api \
            repos/${{ github.repository }}/collaborators/${{ github.actor }}/permission \
            --jq .permission)
          if [[ "$PERMISSION" != "admin" && "$PERMISSION" != "maintain" ]]; then
            echo "❌ User ${{ github.actor }} is not authorized to run this workflow"
            exit 1
          fi

      - name: Generate a token
        id: generate-token
        uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PRIVATE_KEY }}
          owner: ${{ github.repository_owner }}

      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          sparse-checkout: |
            .github
            ${{ github.event.inputs.subrepo-prefix }}
          sparse-checkout-cone-mode: true
          token: ${{ steps.generate-token.outputs.token }}
          fetch-depth: 0  # for subtree operations

      - name: Set up Git user
        run: |
          git config user.name "systems-assistant[bot]"
          git config user.email "systems-assistant[bot]@users.noreply.github.com"

      - name: Fetch subrepo PR info using gh
        id: prdata
        env:
          GH_TOKEN: ${{ steps.generate-token.outputs.token }}
        run: |
          PR_JSON=$(gh pr view ${{ matrix.pr_number }} \
            --repo ${{ github.event.inputs.subrepo-upstream }} \
            --json title,body,headRefName,headRepository,isDraft \
            --jq '{title: .title, body: .body, head_ref: .headRefName, head_repo: .headRepository.cloneUrl, is_draft: .isDraft}')

          echo "$PR_JSON" > pr.json

          TITLE=$(jq -r .title pr.json | sed 's/`/\\`/g')
          echo "title=$TITLE" >> $GITHUB_OUTPUT

          {
            echo 'body<<EOF'
            jq -r .body pr.json
            echo 'EOF'
          } >> $GITHUB_OUTPUT

          echo "head_ref=$(jq -r .head_ref pr.json)" >> $GITHUB_OUTPUT
          echo "head_repo=$(jq -r .head_repo pr.json)" >> $GITHUB_OUTPUT
          echo "is_draft=$(jq -r .is_draft pr.json)" >> $GITHUB_OUTPUT

      - name: Create new branch for import
        id: import-branch
        run: |
          git fetch origin ${{ github.event.inputs.super-repo-target-branch }}
          git checkout ${{ github.event.inputs.super-repo-target-branch }}
          SANITIZED_BASE=$(echo "${{ github.event.inputs.super-repo-target-branch }}" | sed 's|/|_|g')
          SANITIZED_REPO=$(echo "${{ github.event.inputs.subrepo-repo }}" | sed 's|/|_|g')
          IMPORT_BRANCH="import/${SANITIZED_BASE}/${SANITIZED_REPO}/pr-${{ matrix.pr_number }}"
          echo "import_branch=$IMPORT_BRANCH" >> $GITHUB_OUTPUT
          git checkout -b "$IMPORT_BRANCH"

      - name: Pull subrepo changes
        run: |
          git subtree pull --prefix=${{ github.event.inputs.subrepo-prefix }} https://github.com/${{ github.event.inputs.subrepo-repo }} ${{ steps.prdata.outputs.head_ref }}
          git push origin ${{ steps.import-branch.outputs.import_branch }}

      - name: Create super-repo PR
        env:
          GH_TOKEN: ${{ steps.generate-token.outputs.token }}
        run: |
          IMPORT_BRANCH="${{ steps.import-branch.outputs.import_branch }}"
          PR_TITLE="${{ steps.prdata.outputs.title }}"
          UPSTREAM_REPO="${{ github.event.inputs.subrepo-upstream }}"
          SUBREPO_PR_NUMBER="${{ matrix.pr_number }}"
          SUBREPO_URL="https://github.com/$UPSTREAM_REPO/pull/$SUBREPO_PR_NUMBER"
          AUTHOR=$(gh pr view "$SUBREPO_PR_NUMBER" --repo "$UPSTREAM_REPO" --json author --jq .author.login)

          echo "${{ steps.prdata.outputs.body }}" > pr_body.txt
          {
            echo ""
            echo "---"
            echo "🔁 Imported from [$UPSTREAM_REPO#$SUBREPO_PR_NUMBER]($SUBREPO_URL)"
            echo "🧑‍💻 Originally authored by @$AUTHOR"
          } >> pr_body.txt

          DRAFT_FLAG=""
          if [[ "${{ steps.prdata.outputs.is_draft }}" == "true" ]]; then
            DRAFT_FLAG="--draft"
          fi

          gh pr create \
            --base "${{ github.event.inputs.super-repo-target-branch }}" \
            --head "$IMPORT_BRANCH" \
            --title "$PR_TITLE" \
            --label "imported pr" \
            $DRAFT_FLAG \
            --body-file pr_body.txt