Something like $Id$, $Revision$ or $Date$?

From: Michal Nazarewicz <mina86@tlen.pl>
Date: Nov 10, 2008, 00:22 UTC
Message-ID: <87ljvsjuq7.fsf@erwin.mina86.com>

Hello,

as probably many of you know CVS supported some magic tags which were replaced in committed files to a predefined value. For instance, if there was a "$Revision$" string in a file it would get replaced with "$Revision: x.y $" (or "$Revision: x.y.z.w $" and so on) where "x.y" is file's revision number.

Now, what I need is such feature in GIT. Upon committing I would like some magic string (say "$Date$") to be replaced with some value identifying uniquely given version of a file (a date of the commit would be sufficient).

I tried using some hooks for it but couldn't came up with anything that would actually work.

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