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

On Mon, 10 Nov 2008, Michal Nazarewicz wrote:

quoted

I would like the "$Id$" sequences to be updated automatically after a 
commit (ie. without the need to check out).  (Besides I would prefer 
$Date$ more but I can live with $Id$ I guess ;) ).

Johannes Schindelin [off-list ref] writes:

No, you don't.

At least most likely you do not want that behavior.  Typically, you have 
the $Id$ stuff in released versions to indicate what revision that version 
came from even if the files are no longer in a Git repository.

And you can have that without ever committing anything in-between, by 
using the export-subst attributes with git-archive.  Have a look at 
Documentation/gitattributes.txt (I agree it is underdocumented in 
git-archive.txt).

The thing is that for some repositories I don't distinguish anything
like a "release version" of files.  For instance, I have a repository
with my configuration files, and I want to be able to do

  scp emacs system-where-git-is-not-installed:.emacs

or attaching the file in an email without worrying about anything.
Instead, what you're describing would force me to do some voodoo magic
priory to sending the file.

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