check_duplicate_prs.yml

#/
# @license Apache-2.0
#
# Copyright (c) 2025 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#/

# Workflow name:
name: check_duplicate_prs

# Workflow triggers:
on:
  # Run the workflow daily at 3 AM UTC:
  schedule:
    - cron: '0 3 * * *'

  # Allow the workflow to be manually run:
  workflow_dispatch:
    inputs:
      debug:
        description: 'Enable debug output'
        required: false
        default: 'false'
        type: choice
        options:
          - 'true'
          - 'false'

# Global permissions:
permissions:
  # Allow read-only access to the repository contents:
  contents: read

# Workflow jobs:
jobs:

  # Define a job for checking duplicate PRs...
  check_duplicates:

    # Define a display name:
    name: 'Check Duplicate PRs'

    # Ensure the job does not run on forks:
    if: github.repository == 'stdlib-js/stdlib'

    # Define the type of virtual host machine:
    runs-on: ubuntu-latest

    # Define the sequence of job steps...
    steps:
      # Checkout the repository:
      - name: 'Checkout repository'
        # Pin action to full length commit SHA
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          # Ensure we have access to the scripts directory:
          sparse-checkout: |
            .github/workflows/scripts
          sparse-checkout-cone-mode: false
        timeout-minutes: 10

      # Check for duplicate PRs:
      - name: 'Check for duplicate PRs'
        env:
          GITHUB_TOKEN: ${{ secrets.STDLIB_BOT_PAT_REPO_WRITE }}
          DEBUG: ${{ inputs.debug || 'false' }}
        run: |
          . "$GITHUB_WORKSPACE/.github/workflows/scripts/check_duplicate_prs/run"
        timeout-minutes: 15