On Wednesday, August 14, 2013 04:51:14 pm Matthieu Moy 
> Antoine Pelisse <apeli...@gmail.com> writes:
> > On Wed, Aug 14, 2013 at 6:27 PM, Stefan Beller
> > 
> > <stefanbel...@googlemail.com> wrote:
> >>  builtin/repack.c               | 410
> >>  +++++++++++++++++++++++++++++++++++++++++
> >>  contrib/examples/git-repack.sh | 194
> >>  +++++++++++++++++++ git-repack.sh                  |
> >>  194 -------------------
> > 
> > I'm still not sure I understand the trade-off here.
> > 
> > Most of what git-repack does is compute some file
> > paths, (re)move those files and call git-pack-objects,
> > and potentially git-prune-packed and
> > git-update-server-info.
> > Maybe I'm wrong, but I have the feeling that the
> > correct tool for that is Shell, rather than C (and I
> > think the code looks less intuitive in C for that
> > matter).
> There's a real problem with git-repack being shell (I
> already mentionned it in the previous thread about the
> rewrite): it creates dependencies on a few external
> binaries, and a restricted server may not have them. I
> have this issue on a fusionforge server where Git repos
> are accessed in a chroot with very few commands
> available: everything went OK until the first project
> grew enough to require a "git gc --auto", and then it
> stopped accepting pushes for that project.
> I tracked down the origin of the problem and the
> sysadmins disabled auto-gc, but that's not a very
> satisfactory solution.
> C is rather painfull to write, but as a sysadmin, drop
> the binary on your server and it just works. That's
> really important. AFAIK, git-repack is the only
> remaining shell part on the server, and it's rather
> small. I'd really love to see it disapear.

I didn't review the proposed C version, but how was it 
planning on removing the dependencies on these binaries?  
Was it planning to reimplement mv, cp, find?  Were there 
other binaries that were problematic that you were thinking 
of?  From what I can tell it also uses test, mkdir, sed, 
chmod and naturally sh, that is 8 dependencies.  If those 
can't be depended upon for existing, perhaps git should just 
consider bundling busy-box or some other limited shell 
utils, or yikes!, even its own reimplementation of these 
instead of implementing these independently inside other git 


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