name: 'Close stale issues and PRs'
# See CONTIBUTING.md : "Issue Triage"
# See also: https://github.com/shap/shap/discussions/3051

on:
  schedule:
    # Run at 2:30 AM every day
    - cron: '30 2 * * *'
  # Enable manual run
  workflow_dispatch:

permissions:
  actions: write  # Workaround for https://github.com/actions/stale/issues/1090
  issues: write
  pull-requests: write

jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v9
        with:
          # See discussion on generous time limits:
          # https://github.com/shap/shap/discussions/3051
          days-before-stale: 730  # 2 years
          days-before-close: 90   # 3 months
          stale-issue-message: "This issue has been inactive for two years, so it's
            been automatically marked as 'stale'.
            \n\n
            We value your input! If this issue is still relevant, please leave a
            comment below. This will remove the 'stale' label and keep it open.
            \n\n
            If there's no activity in the next 90 days the issue will be closed."
          stale-pr-message: "We appreciate your contribution! This Pull Request has
            been inactive for two years, so it's been automatically marked as 'stale'.
            \n\n
            Please leave a comment if you would still like the PR to remain open, and
            the 'stale' label will be removed.
            \n\n
            Otherwise, if there is no activity in the next 90 days the PR will be
            closed."
          close-issue-message: "This issue has been automatically closed due to lack of
            recent activity.
            \n\n
            Your input is important to us! Please feel free to open a new issue if the
            problem persists or becomes relevant again."
          close-pr-message: "This PR has been automatically closed due to a lack of
            recent activity.
            \n\n
            We welcome your contributions! If your patch is still relevant, please
            don't hesitate to open a new PR."
          stale-issue-label: stale
          stale-pr-label: stale
          # If an issue or PR is marked with the "todo" label, never mark it as stale.
          exempt-issue-labels: todo
          exempt-pr-labels: todo
          operations-per-run: 500
          # Process the oldest issues first:
          ascending: true