CHERRY PICK

 to select the best or most desirable

e.g.

We got an entry in the forum from a user asking several questions about merging and cherry-picking and I was about answering it when I realized the questions might be good for a wider audience, so here I’m writing a new blog post!

http://codicesoftware.blogspot.com/2012/05/cherry-pick-vs-merge.html

or

Is there a way to cherry pick packages from a ppa repository you add? That is, to exclude some from updating while including others?

http://askubuntu.com/questions/170235/how-do-i-cherry-pick-packages-from-a-ppa