block-merge-freeze.yml

# This workflow is provided via the organization template repository
#
# https://github.com/nextcloud/.github
# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization

name: Block merges during freezes

on:
  pull_request:
    types: [opened, ready_for_review, reopened, synchronize]

permissions:
  contents: read

concurrency:
  group: block-merge-freeze-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  block-merges-during-freeze:
    name: Block merges during freezes
    if: |
      github.event.pull_request.draft == false
      && (
        startsWith(github.base_ref, 'stable')
        || github.base_ref == 'main'
        || github.base_ref == 'master'
      )
    runs-on: ubuntu-latest-low
    steps:
      - name: Register server reference to fallback to master branch
        run: |
          server_ref="$(if [ "${{ github.base_ref }}" = "main" ]; then echo -n "master"; else echo -n "${{ github.base_ref }}"; fi)"
          echo "server_ref=$server_ref" >> $GITHUB_ENV
      - name: Download version.php from ${{ env.server_ref }}
        run: curl https://raw.githubusercontent.com/nextcloud/server/${{ env.server_ref }}/version.php --output version.php

      - name: Run check
        run: cat version.php | grep 'OC_VersionString' | grep -i -v 'RC'