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Turn your Git Repository into a SQLite Database

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# BranchBase

[![CI](https://github.com/shayonj/branch_base/actions/workflows/ci.yaml/badge.svg?branch=main)](https://github.com/shayonj/branch_base/actions/workflows/ci.yaml)
[![Gem Version](https://badge.fury.io/rb/branch_base.svg?2)](https://badge.fury.io/rb/branch_base)

`branch_base` is a Ruby gem to synchronize data from a Git repository into a SQLite database. It provides a CLI to easily build and store the data, including commits, branches, and file changes, into a SQLite database.

You can now easily run, any kind of analytics on your Git directory using the SQLite database.

![](https://raw.githubusercontent.com/shayonj/branch_base/main/assets/screenshot.png)

## Features ✨

- Synchronize Git repository data into a SQLite database.
- Query commit history, branch details, and file changes using SQL.
- Easy-to-use CLI for quick setup and execution.
- 📸 Check out the example below on how you can use `branch_base` to create a Spotify themed Git Wrapped using SQL

## Usage 🛠️

After installation, you can use `branch_base` to generate a SQLite Database of a Git repository:

```bash
$ branch_base sync ~/src/rails
```

## Git wrapped 📸

Easily generate a Git wrapped with some built-queries and style using `branch_base`

```bash
$ branch_base git-wrapped ~/src/rails
2023-12-03 11:40:50 -0500: INFO - BranchBase: Generating Git wrapped for /Users/shayon/src/rails...
2023-12-03 11:40:53 -0500: INFO - BranchBase: Git wrapped JSON stored in /Users/shayon/src/rails/git-wrapped.json
2023-12-03 11:40:53 -0500: INFO - BranchBase: Git wrapped HTML stored in /Users/shayon/src/rails/git-wrapped.html
```

![](https://raw.githubusercontent.com/shayonj/branch_base/main/assets/git-wrapped.png)

## Example SQL Queries 📊

Once your repository data is synchronized into a SQLite database, you can run various SQL queries to analyze the data. Here are some examples:

1. **List all commits**:

```sql
   SELECT * FROM commits;
   ```

2. **Find commits by a specific author**:

```sql
   SELECT * FROM commits WHERE author = 'John Doe';
   ```

3. **Get the number of commits in each branch**:

```sql
   SELECT branches.name, COUNT(commits.commit_hash) as commit_count
   FROM branches
   JOIN commits ON branches.head_commit = commits.commit_hash
   GROUP BY branches.name;
   ```

4. **List files changed in a specific commit**:

```sql
   SELECT files.file_path
   FROM commit_files
   JOIN files ON commit_files.file_id = files.file_id
   WHERE commit_files.commit_hash = 'ABC123';
   ```

5. **Count of Commits per Author**

```sql
   SELECT author, COUNT(*) as commit_count
   FROM commits
   GROUP BY author
   ORDER BY commit_count DESC;
   ```

6. **Authors Who Have Worked on a Specific File**

```sql
   SELECT files.file_path, commits.author, COUNT(*) as times_contributed
   FROM commits
   JOIN commit_files ON commits.commit_hash = commit_files.commit_hash
   JOIN files ON commit_files.file_id = files.file_id
   WHERE files.file_path LIKE '%connection_adapters/sqlite%'
   GROUP BY files.file_path, commits.author
   ORDER BY times_contributed DESC;
   ```

## Installation 📥

### Via RubyGems 💎

You can install `branch_base` directly using RubyGems:

```bash
$ gem install branch_base
```

### Via Docker 🐳

`branch_base` is also available as a Docker image, which can be used to run the tool without setting up a Ruby environment:

```bash
$ docker pull shayonj/branch_base:latest
```

To use `branch_base` with Docker, you can mount your Git repository as a volume:

```bash
$ docker run -v /repo/path:/repo shayonj/branch_base sync /repo
```

This command will create a SQLite database with the repository's data in the path where the command is called from

## Database Schema 🗺️

The SQLite database of the follow tables:

```
repositories ──────────────────────┬───────────────── files
  │                                │
  ├─ commits ────── commit_files ──┘
  │   │
  │   ├─ branch_commits ── branches
  │   │
  │   └─ commit_parents
  │
  └─ files (via latest_commit in commits)
```

In this schema:

- `repositories` has direct relationships with `commits` and `files` via `repo_id`
- `commits` is central, connecting to `commit_files`, `branch_commits`, and `commit_parents`, via `commit_hash`
- `commit_files` provides a link between `commits` and `files`.
- `branch_commits` joins `branches` with `commits`, via `branch_id` and `commit_hash`
- `branches` are linked back to `repositories`.
- `files` also connects back to `commits` through the `latest_commit`.

## Contributing 🤝

Contributions to `branch_base` are welcome!

## License 📜

Distributed under the MIT License. See `LICENSE` for more information.

## Development 💻

- Install ruby `3.1.4` using RVM ([instruction](https://rvm.io/rvm/install#any-other-system))
- `bundle exec rspec` for specs

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