Re: [PATCH 2/2] git repack: keep commits hidden by a graft

["Björn Steinbrink" <B.Steinbrink@gmx.de>]

On 2009.07.23 22:13:43 -0700, Junio C Hamano wrote:
> Johannes Schindelin <johannes.schindelin@gmx.de> writes:
> 
> > diff --git a/commit.c b/commit.c
> > index a47fb4d..ef8e911 100644
> > --- a/commit.c
> > +++ b/commit.c
> > @@ -262,7 +262,7 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
> >  		    bufptr[47] != '\n')
> >  			return error("bad parents in commit %s", sha1_to_hex(item->object.sha1));
> >  		bufptr += 48;
> > -		if (graft)
> > +		if (graft && (graft->nr_parent < 0 || grafts_replace_parents))
> >  			continue;
> 
> Hmm, what is this "if it is negative" check for?  I did not see it
> mentioned in the proposed commit log message.

That's for the special grafts for shallow clones. They override the
other grafts, and are identified by the negative nr_parent value. Those
have to stay in effect as the original parents aren't present in the
repo.

Björn