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Friday, March 24, 2017

Git : Cherry-pick a commit in branch

Friends, it a very common situation that if you are in a new branch of your own but want to bring information or changes from another branch.

Sometimes you also land in a situation where you have been asked to cherry pick a commit. But you have no clue idea what it means! Trust me. That was the case with me when i heard this while I was in Symantec. The history is that we used Perforce for the version control, but a new team started using Git. And cherry picking was something that needed a beer to actually understand ;)

So what does cherry picking a commit in git mean? How do you do it?

Solution:
Cherry picking in git means to choose a commit from one branch and apply it onto another.
Note that it is different from merge and rebase which normally applies many commits onto a another branch.

Syntax:
git cherry-pick

Example:
First make sure you are on the branch you want apply the commit to. For instance suppose you have to bring changes in master itself:
git checkout master

Now Execute the following:
git cherry-pick
Eg: git cherry-pick 3d05ac6159e4de0bba404f40f8abdca3af1903d3


Voila!
You're done. Just check your branch for the new changes. The diff history will show you changes in that commit to enter in your branch as well.

CAUTION:
In case you get an error like:
fatal: bad object 02x661db5adf2anwarJamalFaizeacf09f048b8b11
It means that the branch information is not locally present. To solve this I have already written another post. Thank me for this ;)  http://www.w3lc.com/2017/03/fatal-bad-object-error-in-git-cherry.html


Note:
Do also read if you want to change the name of your git branch. The process to do so is explained fully on my earlier blog post:
W3LC: Rename Branch Name in Git

1 comment:

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