Add Staging Stashes Interactively as a git til.

README.md

@@ -28,6 +28,7 @@ smart people at [Hashrocket](http://hashrocket.com/).
 - [List Untracked Files](git/list-untracked-files.md)
 - [Single Key Presses in Interactive Mode](git/single-key-presses-in-interactive-mode.md)
 - [Staging Changes Within Vim](git/staging-changes-within-vim.md) 
+- [Staging Stashes Interactively](git/staging-stashes-interactively.md)
 - [Stashing Untracked Files](git/stashing-untracked-files.md)
 - [Verbose Commit Message](git/verbose-commit-message.md)
 

git/staging-stashes-interactively.md

@@ -0,0 +1,14 @@
+# Staging Stashes Interactively
+
+The `-p` flag can be used with `git stash`, just as it is used with `git add`,
+for interactively staging a stash.
+
+So, if you have changes in your working tree that you want to stash mixed
+with ones that you want to keep working with, then you can simply do:
+
+```
+git stash -p
+```
+
+Read more on [interactive
+staging](https://git-scm.com/book/en/v2/Git-Tools-Interactive-Staging).