On Wed, Jul 06, 2011 at 11:55:36AM -0700, Junio C Hamano wrote:
> Josh Triplett <josh@xxxxxxxxxxxxxxxx> writes:
>
> > Change upload-pack and receive-pack to use the namespace-prefixed refs
> > when working with the repository, and use the unprefixed refs when
> > talking to the client, maintaining the masquerade. This allows
> > clone, pull, fetch, and push to work with a suitably configured
> > GIT_NAMESPACE.
> >
> > With appropriate configuration, this also allows http-backend to expose
> > namespaces as multiple repositories with different paths. This only
> > requires setting GIT_NAMESPACE, which http-backend passes through to
> > upload-pack and receive-pack.
> >
> > Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Jamey Sharp <jamey@xxxxxxxxxxx>
> > ---
> > builtin/receive-pack.c | 37 +++++++++++++++++++++++++++++++------
> > upload-pack.c | 15 ++++++++-------
> > 2 files changed, 39 insertions(+), 13 deletions(-)
> >
> > diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
> > index e1a687a..2d36378 100644
> > --- a/builtin/receive-pack.c
> > +++ b/builtin/receive-pack.c
> > @@ -120,9 +120,17 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void
> > return 0;
> > }
> >
> > +static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data)
> > +{
> > + path = strip_namespace(path);
> > + if (!path)
> > + path = ".have";
> > + return show_ref(path, sha1, flag, cb_data);
>
> At the first glance, this felt somewhat unoptimal as it forbids us from
> stuffing fake "ref" entries other than ".have" via the add_extra_ref()
> interface, and I wondered if it would make sense to do something like this
> instead:
>
> const char *ns_path = strip_namespace(path);
> if (!ns_path)
> ns_path = path;
> return show_ref(ns_path, sha1, flag, cb_data);
>
> But that is flawed, and I think your patch does the right thing. The
> justification is a bit subtle [*1*] and I think it needs to be explained
> in a comment around here, not just in the 0/4 cover letter message.
Will do. How does the following coment sound?
/* We advertise refs outside our current namespace as .have refs, so
* that the client can use them to minimize data transfer but will
* otherwise ignore them. */
- Josh Triplett
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