Re: [RFC PATCH] GIT-VERSION-GEN: set --abbrev=9 to match auto-scaling

> Ramsay Jones <ramsay@ramsayjones.plus.com> writes:
> 
>> As I said, the original version of the patch just removed the
>> --abbrev=7, but then I started to think about why you might have
>> used --abbrev in the first place (first in commit 9b88fcef7 and
>> again in commit bf505158d). Making sure to override the configuration
>> was the only thing I could come up with. So, I was hoping you could
>> remember why! :-P
> 
> Nope.  As a maintainer support script, the only thing I cared about
> it is that there is no -gXXXX at the end for anything I release ;-)
> 
>> (I assumed it was to force a measure of uniformity/reproducibility).
> 
> You cannot force uniformity/reproducibility with fixed abbrev,
> unless you set abbreviation length to 40, so you are correct to add
> "a measure of" there ;-)

>                            The first choice (i.e. 4) may have had a
> justification to force absolute minimum, and the second one (i.e. 7)
> may have had a justifiation to make it clear that we are using the
> same setting as the default, so in post-1.7.10 era, I think it is
> fine for us to just say "we have been using the same as default, so
> let's not specify anything explicitly".