Re: When does git check for branch-X being uptodate with origin/branch-X?

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On Mon, Mar 21, 2016 at 3:42 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Stefan Beller <sbeller@xxxxxxxxxx> writes:
>
>> On> 494398473714dcbedb38b1ac79b531c7384b3bc4 Stefan Beller
>> <sbeller@xxxxxxxxxx> 1455150849 -0800 rebase -i (start): checkout
>> origin/master: fast-forward
>>
>> I do understand the "fetch --append origin fast-forward", (I assume
>> they are coming from regular fetches). But the "rebase -i (start):
>> checkout origin/master: fast-forward" seems to have recorded there in
>> error as I never rebased origin/master itself, but only other stuff on
>> top of origin/master.
>> Why would we have such an entry in there?
>
> You tell us--what did you do back then?  ;-)

I wish I knew, my memories are not as good as a disk.
It was Thursday 11th 2016, around 4:30 pm local time.
I would assume I exercised Git the "usual" way as always.

This entry doesn't appear in .git/logs/HEAD.

However
    grep -r "rebase -i (start): checkout origin/master: fast-forward"
-- .git/logs
yields
.git/logs/refs/remotes/origin/master
.git/logs/refs/remotes/origin/nd/exclusion-regression-fix
.git/logs/refs/remotes/origin/ew/connect-verbose
.git/logs/refs/remotes/origin/next
.git/logs/refs/remotes/kernelorg/todo
.git/logs/refs/remotes/kernelorg/master
.git/logs/refs/remotes/kernelorg/next
.git/logs/refs/remotes/kernelorg/next

For example I am pretty sure I never touched
origin/nd/exclusion-regression-fix and
origin/ew/connect-verbose
directly myself (i.e. checking them out or anything. The only way I
got in contact with
them is via "git fetch --all" and the remote side merging these
branches into various
other branches.

>
> It indeed looks strange.  You shouldn't be able to check out a
> remote-tracking branch, so any log for local operation would be in
> HEAD's reflog, but not in remotes' reflog.
>
> I was curious to see what kind of entries I have and I do not seem
> to have anything strange.
>
> $ find .git/logs/refs/remotes/ -type f -print0 |
>   xargs -0 sed -Ee '
>     s/^[0-9a-f]{40} [0-9a-f]{40} [^>]*> [0-9]* [-+][0-9]{4}       //
>   ' |
>   sort -u
> fetch --append l10n: fast-forward
> fetch git-gui: fast-forward
> fetch -v git-svn: fast-forward
> fetch -v paulus: fast-forward
> pull git-svn: fast-forward
> pull git-svn: forced-update
> pull -s subtree paulus: fast-forward
> pull -v git-svn ks/svn-pathnameencoding-4: storing head
> update by push
>
> Puzzled...

doing a similar thing here:
$ find .git/logs/refs/remotes/ -type f -print0 |   xargs -0 cat  |cut
-c134-|sort -u
fetch --append origin: fast-forward
fetch --append origin: forced-update
fetch --append origin: storing head
[omitting lots of other remotes which also have "fetch --append" lines]
rebase -i (start): checkout origin/master: fast-forward
rebase -i (start): checkout origin/master: storing head
update by push

As I have lots of terminals open, I suspect my confusing workflow doesn't
help either, i.e. a normal thing for me is:
term1: git rebase -i origin/master
term1: <resolve merge conflict, edit patches, etc>
term2: git fetch --all
term1: continue on <resolve merge conflict, edit patches, etc>
term1: actually finish the rebase

I tried reproducing this quickly, but I did not succeed. I'll try to
keep an eye on this.

Thanks,
Stefan
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