What is Git Worktree and how is it used?

In Git, git worktree is a feature that allows you to manage multiple working directories linked to a single Git repository. This is useful for working on different branches simultaneously without the need to clone the repository multiple times.

Key Concepts

• Repository (.git directory): Stores the Git database, including commits, branches, and history.

• Worktree: An additional working directory tied to the same repository, allowing you to check out another branch or commit.

Setting Up a Worktree

1. Add a New Worktree

To create a new worktree, use:

git

For example:

git

This creates a new directory (../feature-branch) and checks out the feature branch there.

2. List Existing Worktrees

To see all worktrees linked to your repository:

git

This shows the paths and associated branches of all worktrees.

3. Remove a Worktree

To remove a worktree:

git

Ensure the worktree has no uncommitted changes before removing it.

Practical Use Cases

1. Simultaneous Branch Development: Work on multiple branches in parallel without switching back and forth.

   git worktree add ../bugfix-branch bugfix
   git
   
   

2. Isolated Testing: Test changes or builds in an isolated directory without affecting your main working directory.

3. Code Reviews: Check out a specific commit or branch for review in a separate directory.

   git