Re: submodules again

[Jim Meyering]

Eric Blake wrote:
> On 03/21/2012 01:44 PM, Jim Meyering wrote:
>> git-submodule's --reference option looks like it does what you want.
>> However, balancing the repo duplication cost against the risk of error
>> described in git-clone's --reference and --shared descriptions, so far,
>> I have preferred to use more disk space.
>
> If you set GNULIB_SRCDIR in the environment, or use the --gnulib-srcdir
> option, that uses git-submodule --reference in cloning the submodule to
> save the disk space to begin with.

Ahh... so it does.
I always use --gnulib-srcdir but had not checked the actual usage.
54MiB per cloned gnulib/ subdir is not bad at all.  And when you have
5 or 10, the saved 32 MiB (size of .git/) per submodule makes a difference.

Thanks for the correction.