Hi,

On Tue, May 2, 2017 at 1:48 PM, Delanoe Eric <e.dela...@gea.fr> wrote:
> Hello,
>
> We need a great deal of traceability for our source, made of many scripts in 
> interpreted languages, spread in many "independent" modules, as far as can be 
> ;-).
> In particular, somebody troubleshooting a script in production should be able 
> to know exactly the revision or commit ID (or tag label) of a given file, and 
> its location in the GIT source directory tree.
>
> Our old CVS... let's say it was its only advantage... was doing this with 
> keywords embedded in code comments: $Header$, $Id$, $Rev$, $File$ etc... When 
> a file was committed, its $Header$ keyword was expanded into a rich piece of 
> "version" information like '' $Header: 
> /cvsstore/SourcesOracle/Install/COMMUN/CST.sql,v 1.69.2.10 2017/04/14 
> 09:38:48 edelanoe $".
>
> Could this kind of "keyword expansion" feature be added into GIT ?

You can already do it with "smudge" and "clean" filters. Look for
"Keyword Expansion" in:

https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes

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