From: Christian Couder <christian.couder@gmail.com>
Date: Fri, 06 Jun 2014 15:44:59 GMT
Subject: Re: [PATCH v3 1/4] replace: add --graft option
Message-ID: <CAP8UFD2u-DReCv2ZXhAzH_UMW5P--+a=AKS-N88xE6zmdWBLqQ@mail.gmail.com>
In-Reply-To: <CAP8UFD3k98_6Uh+noJgt4xqEooATVMAEf58FFkuy6rHBnP10zw@mail.gmail.com>

On Fri, Jun 6, 2014 at 5:29 PM, Christian Couder
<christian.couder@gmail.com> wrote:
>
> Yeah, or I could just rely on the fact that lookup_commit_or_die()
> already parses the commit, with something like this:
>
>       if (get_sha1(old_ref, old) < 0)
>               die(_("Not a valid object name: '%s'"), old_ref);
>
>       /* parse the commit buffer to make sure the commit is not corrupt */
>       commit = lookup_commit_or_die(old, old_ref);
>
>       /* find existing parents */
>       parent_start = buf.buf;
>       parent_start += 46; /* "tree " + "hex sha1" + "\n" */
>       parent_end = parent_start;

This last part should be:

        /* find existing parents */
        strbuf_addstr(&buf, commit->buffer);
        parent_start = buf.buf;
        parent_start += 46; /* "tree " + "hex sha1" + "\n" */
        parent_end = parent_start;
...

I will send an updated patch series soon.