On 14-05-30 01:52 PM, Junio C Hamano wrote:
> Marc Branchaud <marcn...@xiplink.com> writes:
>> On 14-05-29 06:42 PM, Junio C Hamano wrote:
>>> +The names of refs that are fetched, together with the object names
>>> +they point at, are written to `.git/FETCH_HEAD`. This information
>>> +is used by a later merge operation done by 'git merge'. In addition,
>> Isn't this merge stuff about pull, not fetch?
> It is true that "git pull" uses "git fetch" and .git/FETCH_HEAD is a
> documented mechanism between the two to communicate what commits the
> latter downloaded are to be merged by the former, and that is one of
> the reasons why we had the description here in the original before
> this patch. A user can also do this to refer to the tip of the
> single branch she fetched:
> git fetch origin master
> git log -p ..FETCH_HEAD
> git merge FETCH_HEAD
> Perhaps "is used ... by 'git merge'" can be rephrased somehow, like
> "can be used to refer to what was fetched"? Or we could go in the
> opposite direction and be more explicit, i.e.
> "git pull" calls "git fetch" internally, and this
> information is used by the former to learn what commits were
> fetched by the latter.
> I dunno.
Y'know, I've always been a bit confused by FETCH_HEAD, especially if the
fetch updates several remote-tracking branches.
The docs say that all the fetched refs are written to FETCH_HEAD (perhaps a
more accurate name would have been FETCH_HEADS?). If that's truly the case,
it seems weird to use FETCH_HEAD in log and merge commands. (My FETCH_HEAD
file currently has 1434 lines in it -- what does that mean, and what does it
imply for those log and merge commands?)
Perhaps FETCH_HEAD shouldn't be mentioned at all in the introductory part of
fetch's man page.
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