DevOps

How to Switch Branch in Git

How to switch branches in Git?

Introduction

One of the advantages of working in Git is that it provides the ability to work on multiple project features simultaneously by keeping the code in separate branches. The branches allow users to focus on the part of the project that needs immediate attention and later get to work on something else.

In this tutorial, you will learn how to switch branches in Git and efficiently manage your project development.

How to switch branches in Git?

Prerequisites

How to Switch Branches in Git?

There are two ways to switch branches in Git:

  • git checkout – used to switch between different branches or commits in a Git repository, allowing you to navigate and work on different project versions. The command also provides functionality for creating a new branch before switching when the -b option is specified.
  • git switch – a Git command introduced in version 2.23 that allows users to switch between branches in a repository, making it a more intuitive alternative to the git checkout command. If the branch doesn’t exist, specify the -c option to create it before switching.

The sections below offer detailed instructions on using each command to navigate a Git repository efficiently.

1. How To Switch to Main Branch in Git?

In Git, the main branch typically refers to the default and often the primary long-lived branch in a Git repository.

Note: The naming convention for the main branch has evolved in recent years due to discussions about inclusivity and terminology. Previously, the main branch was commonly called master, but the term is being replaced by the more neutral and inclusive term main.

Switch to the main branch with git checkout by running the following command:

git checkout main
Switching to the main branch using git checkout.

To switch to the main branch using git switch, run:

git switch main
Switching to the main branch using git switch.

Both commands switch from the current branch to the main branch in the Git repository. If your main branch is still using the term master, specify that keyword in the command instead of main.

2. How Do I Switch to Another Branch in Git?

To switch to another branch in Git, specify the branch name after git checkout or git switch command. To see a list of all the available branches in a repository, run:

git branch
Listing the available branches in Git.

The command outputs all the available branches in the local repository. For example, to switch to the test branch, run:

git checkout test

or

git switch test
Switching to a branch in Git.

The command switches from the current branch (new-feature) to the specified test branch.

It is also possible to use the -B option with the git checkout command to switch to another branch and to make the branch start from a specific commit.

The syntax is:

git checkout -B [branch] [start_point]

To find the exact starting point, list the commits in the repository using the git log command. Use this command:

git log --oneline --graph
Listing all the commits in a repository.

Choose the commit you want to start from and specify it in the command. For example, in the output above, the HEAD of the master branch is at 8666208, but we want to check out the commit just before HEAD (231b946). The command we must run is:

git checkout -B master 231b946
Checking out to a branch from a specific commit.

The command switches to the master branch and resets it to start from the specified commit.

3. How Do I Switch to a Remote Branch in Git?

If you want to switch to a remote branch, create a local tracking branch based on the remote branch and then switch to it. The git checkout and git switch commands allow you to switch to a remote branch in Git.

However, before running either command, it is necessary to fetch the remote branch using the git fetch command. The command retrieves the latest changes from the remote repository and ensures you get the latest branch version. Follow the steps below:

1. Run the git fetch command:

git fetch
Fetching the latest changes from a remote repository.

2. Use the following syntax to switch to the remote branch:

git checkout -t [repository_name]/[branch_name]

or

git switch -t [repository_name]/[branch_name]

The -t option instructs Git to create the branch and set it to track the upstream branch automatically. For example:

Switching to a branch and automatically tracking it.

In the example above, we switch to the test-branch branch and automatically set the remote tracking information. Consequently, any commits will be automatically pushed to the upstream branch.

Note: Check out our comparison article Git Switch vs. Checkout to learn more about switching branches.

What if Switching Branches in Git is Not Working?

The cause of git switch or git checkout not working when switching to a branch is usually because the branch does not exist yet. In that case, Git cannot switch to a non-existing branch. The error usually looks like this:

Error when switching to a branch.

The solution to the problem is to use the -b option with git checkout or the -c option with git switch. These commands instruct Git to create the branch first and then switch to it. The syntaxes for both commands are:

git switch -c [branch-name]

and

git checkout -b [branch-name]

For example:

Creating a new branch and switching to it.

The command instructs Git to create a new branch and then switches to that branch.

Conclusion

This tutorial has shown how to switch branches in Git using the git checkout and git switch methods. Although there is a move to use git switch more, git checkout is still a powerful command used interchangeably with git switch.

For more Git tutorials, see how to overwrite a local branch with a remote one or learn to compare two Git branches.

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