action.yml

name: 'Mark issues as stale'
description: 'Mark issues and pull requests as stale when there is no activity for a certain amount of days'

inputs:
  token:
    description: 'GitHub token to use. If passed, takes precedence over the `app-id` and `app-private-key` inputs.'

  app-id:
    description: 'The app ID of the app.'

  private-key:
    description: 'The private key of the app.'

  days-before-stale:
    description: 'Amount of days before an issue or pr is marked as stale.'
    default: '60'

  days-before-issue-stale:
    description: 'Amount of days before an issue is marked as stale.'

  days-before-pr-stale:
    description: 'Amount of days before an issue is marked as stale.'

  days-before-issue-close:
    description: 'Amount of days before an issue is closed.'
    default: '14'

  days-before-pr-close:
    description: 'Amount of days before a pull request is closed.'
    default: '-1'

outputs:
  staled-issues-prs:
    description: 'List of all staled issues and pull requests.'
    value: ${{ steps.stale.outputs.staled-issues-prs }}

  closed-issues-prs:
    description: 'List of all closed issues and pull requests.'
    value: ${{ steps.stale.outputs.closed-issues-prs }}

runs:
  using: composite
  steps:
    - uses: myparcelnl/actions/get-github-token@v4
      id: token
      with:
        token: ${{ inputs.token }}
        app-id: ${{ inputs.app-id }}
        private-key: ${{ inputs.private-key }}

    - uses: actions/stale@v9
      id: stale
      with:
        repo-token: ${{ steps.token.outputs.token }}

        # Messages
        stale-issue-message: 'This issue is stale because it has been open for ${{ inputs.days-before-stale }} days with no activity. Remove stale label or comment to make it active again.'
        stale-pr-message: 'This pull request is stale because it has been open for ${{ inputs.days-before-stale }} days with no activity. Remove stale label or comment to make it active again.'
        close-issue-message: 'This issue was closed because it has been stalled for ${{ inputs.days-before-close }} days with no activity.'

        # Marking as stale
        days-before-stale: ${{ inputs.days-before-stale }}
        days-before-issue-stale: ${{ inputs.days-before-issue-stale }}
        days-before-pr-stale: ${{ inputs.days-before-pr-stale }}

        # Closing
        days-before-issue-close: ${{ inputs.days-before-issue-close }}
        days-before-pr-close: ${{ inputs.days-before-pr-close }}

        # Exemptions
        exempt-all-milestones: true
        exempt-pr-labels: dependencies

        # Labels
        stale-issue-label: stale
        stale-pr-label: stale