Lunda

With ❤️ from the human and the robot who finally played the symphony

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Lunda is a lightweight, smart, and friendly GitHub Action tool designed to help developers and security-focused teams detect forgotten branches — branches that haven’t seen activity for a long time and may introduce maintenance or security risks.

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🚀 Features

• Detects inactive branches based on a configurable threshold
• Ignores main branches (main and master) by default
• Lists forgotten branches with their last commit date
• Easy to integrate as a GitHub Action
• Extensible: notifications (Slack, Teams, email) or auto-cleanup
• Helps maintain repository hygiene and reduces security risks from stale code

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🛠️ Usage

Lunda is now an official GitHub Action. You can integrate it directly into your repository workflows.

Example Workflow

name: Scan Forgotten Branches

on:
  workflow_dispatch: # Run manually
  schedule:
    - cron: '0 12 * * 1' # Every Monday at 12:00

jobs:
  scan:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: your-username/lunda@v1
        with:
          days_threshold: 60 # optional, defaults to 90

Inputs

• days_threshold (optional) – Number of days a branch can be inactive before being flagged. Default is 90.

Lunda will scan your repository for branches inactive longer than the threshold and list them in the workflow logs.

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⚙️ Script Configuration

    const DAYS_THRESHOLD = 90; // number of inactivity days

• Adjust DAYS_THRESHOLD to match your repository’s activity
• main and master are always ignored

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📄 License

MIT License

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With love — and for your repo’s safety — Lunda!