inactive-pr-reminder.yaml

# Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
#
# 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.

name: Inactive PR Reminder

on:
  schedule:
    - cron: '0 7 * * *'  # daily at 07:00 UTC
  workflow_dispatch: {}

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}

jobs:

  remind:
    name: Nudge Inactive PRs
    if: github.repository == 'nvidia/aicr'
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    timeout-minutes: 10
    steps:
      - name: Check for Inactive PRs
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3  # v9.0.0
        with:
          script: |
            const now = new Date();
            const msPerDay = 86400000;
            const skipLabels = ['lifecycle/frozen', 'do-not-merge'];

            const { data: prs } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              sort: 'updated',
              direction: 'asc',
              per_page: 100,
            });

            for (const pr of prs) {
              // Skip PRs with freeze labels
              if (pr.labels.some(l => skipLabels.includes(l.name))) continue;

              const updated = new Date(pr.updated_at);
              const daysInactive = Math.floor((now - updated) / msPerDay);

              // Target 14-29 day window (before stale bot at 30 days)
              if (daysInactive < 14 || daysInactive >= 30) continue;

              // Check if we already left a reminder. Paginate: an unpaginated
              // call returns only the 30 oldest comments, so on a busy PR the
              // reminder falls off page one and a duplicate goes out.
              const comments = await github.paginate(github.rest.issues.listComments, {
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: pr.number,
                per_page: 100,
              });
              const alreadyReminded = comments.some(c =>
                c.user.type === 'Bot' && c.body.includes('inactive for')
              );
              if (alreadyReminded) continue;

              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: pr.number,
                body: `@${pr.user.login} this PR has been inactive for ${daysInactive} days. Do you need help finishing it, or should we close it for now? Feel free to reopen anytime.`,
              });
            }