Remove Unwanted Unstaged Changes in Tracked Files from a git Repository

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This article demonstrates how to discard undesired, unstaged changes to tracked files in a git repository with git checkout so that they do not wind up in your next commit.

Usage

$ git checkout -- [pathspec]

where pathspec can be a wildcard or file path value.

All Files

To discard changes to all unstaged files use the following command:

$ git checkout -- .

Files by Wildcard

To discard changes to files by wildcard (e.g. by specific file extension type) use a command like this:

$ git checkout -- "*.py"

The above command resets all files with a .py extension to the index versions.

Files by File Path

To discard changes for a specific file path, include the file path as the argument:

$ git checkout -- somefile.py

The above command will revert the file on the path somefile.py to the index version.

Reference

git checkout documentation