# How to Replace Master Branch in Git, Entirely, from Another Branch?

To replace the `master` branch entirely with the contents of another branch, you can use the `git checkout` and `git reset` commands. Here's how you can do it:

```bash
# Checkout the branch you want to replace master with
git checkout <branch-to-replace-master>

# Reset the master branch to the same commit as the branch
git reset --hard HEAD

# Force-push the updated master branch to the remote repository
git push --force origin master
```

Replace `<branch-to-replace-master>` with the name of the branch you want to replace `master` with.

### Note:

- This operation rewrites the history of the `master` branch, so use it with caution, especially if the `master` branch is shared with others.
- After running these commands, the `master` branch will be identical to the `<branch-to-replace-master>` branch, including its commit history and contents.
- Make sure to communicate with other collaborators if they are also working on the `master` branch to avoid conflicts.