Re: [gentoo-dev] Usages of CVS $Header$ keyword in ebuilds - use cases wanted

["René 'Necoro' Neumann" <lists@necoro.eu>]

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Robin H. Johnson schrieb:
> On Wed, Aug 27, 2008 at 12:37:09AM +0200, Ren?? 'Necoro' Neumann wrote:
>> - --or: to have the unique rev-id instead of the branch-local rev-number--
>> bzr log -l1 --show-ids $FILE | grep "revision-id" | cut -f2 -d' '
> IIRC, the revision-id is just like the Git $Id$, it's a hex string, not
> an incremented counter like the revision number in CVS.
> 

True ... it usually looks like
author@doma.in-20080821233630-v94w5lkebavkx9ti

Though, if one enforces certain policies using the "main branch" located
on the server like disallowing pushing and only allowing merges, one can
safely use the branch-revno (which is incremental). Only oddity are
revnos of merged branches (e.g. "193.1.10")

Another approach would be to use the unix-timestamp of the last change.
Though it is not a unique identifier per se, it should be sufficient here.
It should be queriable in all VCS. Though it might be, that it is not
possible using standard CLI and requires a plugin in some way (but I
bet, an easy one ;))

- - Necoro
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