# SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
# SPDX-License-Identifier: MIT
name: Update 3rdparty command

on:
  issue_comment:
    types: created

permissions:
  contents: read

jobs:
  rebase:
    runs-on: ubuntu-latest
    permissions:
      contents: none

    # On pull requests and if the comment starts with `/update-3rdparty`
    if: github.event.issue.pull_request != '' && startsWith(github.event.comment.body, '/update-3rdparty')

    steps:
      - name: Add reaction on start
        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v3.0.1
        with:
          token: ${{ secrets.COMMAND_BOT_PAT }}
          repository: ${{ github.event.repository.full_name }}
          comment-id: ${{ github.event.comment.id }}
          reactions: '+1'

      - name: Disabled on forks
        if: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
        run: |
          echo 'Can not execute /update-3rdparty on forks'
          exit 1

      - name: Init branch
        uses: xt0rted/pull-request-comment-branch@e8b8daa837e8ea7331c0003c9c316a64c6d8b0b1 # v1
        id: comment-branch

      - name: Checkout ${{ steps.comment-branch.outputs.head_ref }}
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false
          fetch-depth: 0
          token: ${{ secrets.COMMAND_BOT_PAT }}
          ref: ${{ steps.comment-branch.outputs.head_ref }}

      - name: Register server reference to fallback to master branch
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const baseRef = context.payload.pull_request.base.ref
            if (baseRef === 'main' || baseRef === 'master') {
              core.exportVariable('server_ref', 'master');
              console.log('Setting server_ref to master');
            } else {
              const regex = /^stable(\d+)$/
              const match = baseRef.match(regex)
              if (match) {
                core.exportVariable('server_ref', match[0]);
                console.log('Setting server_ref to ' + match[0]);
              } else {
                console.log('Not based on master/main/stable*, so skipping pull 3rdparty command');
              }
            }

      - name: Setup git
        run: |
          git config --local user.email 'nextcloud-command@users.noreply.github.com'
          git config --local user.name 'nextcloud-command'

      - name: Add reaction on failure
        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v3.0.1
        if: ${{ env.server_ref == '' }}
        with:
          token: ${{ secrets.COMMAND_BOT_PAT }}
          repository: ${{ github.event.repository.full_name }}
          comment-id: ${{ github.event.comment.id }}
          reactions: '-1'

      - name: Pull 3rdparty
        if: ${{ env.server_ref != '' }}
        run: git submodule foreach 'if [ "$sm_path" == "3rdparty" ]; then git pull origin '"'"'${{ env.server_ref }}'"'"'; fi'

      - name: Commit and push changes
        if: ${{ env.server_ref != '' }}
        run: |
          git add 3rdparty
          git commit -s -m 'Update submodule 3rdparty to latest ${{ env.server_ref }}'
          git push

      - name: Add reaction on failure
        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v3.0.1
        if: failure()
        with:
          token: ${{ secrets.COMMAND_BOT_PAT }}
          repository: ${{ github.event.repository.full_name }}
          comment-id: ${{ github.event.comment.id }}
          reactions: '-1'