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Note: This repository has been archived and moved to cdklabs/github-merit-badger.

🦡

GitHub Merit Badger

Welcome to the GitHub Merit Badger! This is a GitHub Action that can add well-known merit badges to pull requests that come in to your repository. It will gamify contributions and galvanize the open-source community to contribute more and more to your project!

Getting Started

This Action is meant to be run on pull requests only. The below example calls this GitHub Action with the following rules:

  • Contributors with no merged PRs in the repository are labeled first-time-contributor.
  • Contributors with 1 - 4 merged PRs are labeled repeat-contributor.
  • Contributors with 5+ merged PRs are labeled allstar-contributor.
name: add-merit-badger
on:
  pull_request_target:
    types:
      - opened

jobs:
  merit-badges:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - uses: aws-github-ops/github-merit-badger@main
        id: github-merit-badger
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          badges: '[first-time-contributor,repeat-contributor,allstar-contributor]'
          thresholds: '[0,1,5]'

When pull requests are opened in a repository with this action, the github-merit-badger action will run and a label with the correct badge name will be added to the pull request.

Different Kinds of Badgers

The way this action works is that it exposes different classes of Badgers via the badge-type property. Right now, there are 2 classes of Badgers available: AchievementBadger and LeaderboardBadger.

Achievement Badger

AchievementBadger is the default, so examples without a badge-type property will utilize the AchievementBadger. This Badger calculates a rating based on how many pull requests a user has successfully merged to the repository. This rating is then compared to the values inside threshold, resulting in the corresponding badge being labeled on the incoming pull request.

Leaderboard Badger

LeaderboardBadger can be used by setting badge-type: 'leaderboard' in the GitHub Workflow. This Badger will calculate a value based on how a user compares to other contributors in the repository. For example, if a user has successfully merged 5 pull requests prior to opening the newest one, LeaderboardBadger will see how that ranks against other contributors and return a value based on that. If 5 pull requests is good for 8th place, then the value of 8 is returned and compared to the values inside threshold.

Consider the following example usage:

steps:
  - uses: aws-github-ops/github-merit-badger@main
    id: github-merit-badger
    with:
      github-token: ${{ secrets.GITHUB_TOKEN }}
      badges: '[1st! :trophy:,top 3 :fire:,top 5 :sunglasses:]'
      thresholds: '[1,3,5]'
      badge-type: 'leaderboard'

When kaizencc@ submits a PR, the Action will find that he has submitted 25 lifetime PRs to the repository, which is good for 2nd place. kaizencc@ will thus receive the top 3 :fire: badge on their PR.

Badge Descriptions

In addition to adding labels on pull requests, this GitHub Action can also write custom comments on each PR explaining what the badges mean. To include this functionality, add the badge-descriptions paramater to the action, where each description matches 1 to 1 with the badges parameter:

steps:
  - uses: aws-github-ops/github-merit-badger@main
    id: github-merit-badger
    with:
      github-token: ${{ secrets.GITHUB_TOKEN }}
      badges: '[first-time-contributor,repeat-contributor,allstar-contributor]'
      thresholds: '[0,1,5]'
      badge-descriptions: '[this is your first contribution!,you've been here before, welcome back!,you've made so many contributions that we think you rock!]'

If a user, kaizencc, opens a PR to a repository they frequent, this will produce a comment saying:

Welcome kaizencc@! You are an allstar contributor, which means that you've made so many contributions that we think you rock! Keep up the good work!

Additional Filters

In the basic use case, the Action scoures the full history of pull requests in your repository and filters for a specific username. You can specify additional filters on the basic use case to customize for the specific use case you want.

Days

Specify a number of days you want the Action to look at. For example, if you specify 30 days, then the Action will only look at the pull request history from the past 30 days.

steps:
  - uses: aws-github-ops/github-merit-badger@main
    id: github-merit-badger
    with:
      github-token: ${{ secrets.GITHUB_TOKEN }}
      badges: '[first-time-contributor,repeat-contributor,allstar-contributor]'
      thresholds: '[0,1,5]'
      days: 365

In the above example, your badge is only valid on contributions from the past year, which is similar to airline frequent flyer programs. If you don't continue to contribute, your badge may be removed!

Ignore Usernames

Specify a list of usernames that the Action should ignore. This is useful if you want to create badges for the community, but you don't want to add labels to the core maintainers.

steps:
  - uses: aws-github-ops/github-merit-badger@main
    id: github-merit-badger
    with:
      github-token: ${{ secrets.GITHUB_TOKEN }}
      badges: '[first-time-contributor,repeat-contributor,allstar-contributor]'
      thresholds: '[0,1,5]'
      ignore-usernames: '[kaizencc]'

Title Prefixes

Specify a list of title prefixes that the Action should accept. For example, the below code will only count PRs with titles that begin with feat or fix. It will ignore PRs with other titles like chore or refactor.

steps: 
  - uses: aws-github-ops/github-merit-badger@main
    id: github-merit-badger
    with:
      github-token: ${{ secrets.GITHUB_TOKEN }}
      badges: '[first-time-contributor,repeat-contributor,allstar-contributor]'
      thresholds: '[0,1,5]'
      title-prefixes: '[feat,fix]'

When kaizencc@ submits a PR, the Action will find that he has submitted 25 lifetime PRs to the repository, which is good for 2nd place. kaizencc@ will thus receive the top 3 :fire: badge on their PR.

Security

See CONTRIBUTING for more information.

License

This project is licensed under the Apache-2.0 License.