Merge pull request git-tips#160 from lmarvaud/patch-1

Add change a branch base tips

Author: hemanth

README.md

@@ -166,6 +166,7 @@ P.S: All these commands are tested on `git version 2.7.4 (Apple Git-66)`.
 * [Show git status short](#show-git-status-short)
 * [Checkout a commit prior to a day ago](#checkout-a-commit-prior-to-a-day-ago)
 * [Push a new local branch to remote repository and track](#push-a-new-local-branch-to-remote-repository-and-track)
+* [Change a branch base](#change-a-branch-base)
 
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end toc -->
@@ -1167,5 +1168,10 @@ git checkout master@{yesterday}
 git push -u origin <branch_name>
 ```
 
+## Change a branch base
+```sh
+git rebase --onto <new_base> <old_base>
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->