Re: sha1summ of complete directory?
On Wed, Jul 15, 2009 at 07:36:24AM -0700, Todd A. Jacobs wrote:
> On Mon, Jul 06, 2009 at 07:30:19PM -0500, Ron Johnson wrote:
>
> > How would one go about computing a *single* hash value for a complete
> > directory tree?
>
> You might want to look at how git does this. As I understand it, git
> stores hashes of trees, so the implementation may help you.
Not really... the hash git indexes with is that of the compressed object (which
is either a blob, tree, or commit). Tree and commit objects point at other
objects (which are also stored by hash). Blobs are the files themselves.
More info:
http://www.gitready.com/beginner/2009/02/17/how-git-stores-your-data.html
http://eagain.net/articles/git-for-computer-scientists/
Cheers,
--
Eric Gerlach, Network Administrator
Federation of Students
University of Waterloo
p: (519) 888-4567 x36329
e: egerlach@feds.uwaterloo.ca
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