Add summaries

content/cheat sheets/git.md

@@ -1,11 +1,13 @@
 ---
 Title: Some git tricks
 Date: 2019-04-22 17:00
+Modified: 2019-04-23 14:23
 Author: Fabrice
 Category: cheat sheets
 Tags: git, termtosvg
 Slug: git-tricks
 Header_Cover: images/cover_water.jpg
+Summary: A compilation of some `git` tricks I keep forgetting.
 ---
 
 Some [git](https://git-scm.com/) tricks I use from time to time and that I forgot everytime…
@@ -29,8 +31,16 @@ If you noticed that your folder grows, you can manually cast the garbage collect
 git gc --aggressive
 ```
 
+To commit a small part of the file (in an interactive way):
+```sh
+git commit -p <file>
+```
+
 Another useful trick is `git commit -v`, it allows reviewing your changes before committing.
 
 ![Example](/examples/git-cv.svg)
 
-
+A ncurse-based interface for git: [tig](https://jonas.github.io/tig/)
+```sh
+tig
+```