Re: patch: version_stamp.pl: Add Git commit info to version if 'git' is specified

On 2015-08-28 07:48:28 +0200, Fabien COELHO wrote:
> >Salesforce did something similar in their internal build, and TBH I do not
> >find it a good idea.  The basic problem is it's completely misleading to
> >equate the last commit with the source you actually built from, because
> >that might not have been an unmodified file set.
>
> Indeed. What I've done in an svn-based project is to build the stamp from
> the Makefile basically when linking, that is really as late as possible. The
> other good point is that svnversion adds 'M' for modified if the source tree
> has uncommitted changes.
>
> Maybe such an approach could be used with git to have something reliable.

I've done the same using the output $(git describe --tags --dirty) -
which will return something like REL9_5_ALPHA1-330-g8a7d070-dirty. That
is, the last tag, the number of commits since, the commit hash, and
whether the current build tree is dirty.