vim-gitgutter
A Vim plugin which shows git diff markers in the sign column
Vim-GitGutter is a plugin for Vim that surfaces version-control (Git) changes directly within your editing buffer by marking the sign column (the “gutter”) with indicators for added, removed or modified lines. As you edit files in a Git-tracked repository, Vim-GitGutter keeps the signs up-to-date (sometimes asynchronously) so you can immediately see which lines differ from the last committed state. Beyond mere visual indicators, it also allows you to preview changes (“hunks”), stage or undo...