Re: A git-mv question

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Ron Garret <ron1@xxxxxxxxxxx> writes:

> If I do a git-mv *and* edit the file all in one commit, does that get 
> recorded in a way that allows git to track the change through the 
> changed file name?  In other words, if I do just a git-mv (without 
> changing the file) git can track that by observing that two differently 
> named objects in two different commit trees contain the same blob.  But 
> if the file is edited then the blobs will be different.  Is git smart 
> enough to distinguish a git-mv and edit from, say, the equivalent git-rm 
> and git-add?  If so, how does it do it?

Git does not distinguish between git-mv and equivalent git-rm+git-add;
it employs heuristic similarity based (based on how contents of files
is similar to each other) rename detection.

Also worth noting is that git does consider only endpoints for rename
detection in diff and in merge; it does not check history if there
were clean rename / rename + edit.

-- 
Jakub Narebski
Poland
ShadeHawk on #git
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