Re: How to tell if a file was renamed between two commits

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Ron Garret <ron1@xxxxxxxxxxx> wrote:
> I'm trying to write a little utility that will extract all the revisions 
> of a particular file.  I start with a git rev-list HEAD -- filename, get 
> the tree objects with git cat-file commit, the file objects with git 
> ls-tree, and finally the file contents themselves with git cat-file 
> blob.  It works, except in the case where the file name was changed.  
> git rev-list is smart enough to track those name changes, but my little 
> revision tracker isn't.  It dies when suddenly there is no file with the 
> right name in the tree.
> 
> So... is there an easy way to work around this?  Is there a way to get, 
> say, rev-list to tell me when the file it is tracking changed names?  Or 
> a git-diff incantation?  I just need something that will tell me given 
> two commits and a file name whether the file was renamed between those 
> two commits and if so what its new name is.  There must be an easy way 
> to do this, but I can't figure out what it is.

Maybe use the -M flag to git log, or the --follow flag to
log/rev-list?

-- 
Shawn.
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