Björn Pettersson A <bjorn.a.petters...@ericsson.com> writes:
>> Ok, in that case I would expect the resulting history to look like
>> this:
>>
>> UL4->UC2->UL3->UL2->UL1->UL0->UC1 <- monorepo/master
>> | \
>> \ `---.
>> `------------. \
>> \|
>> ... ->DL2->DL1/DC2 <- zip/master
>> /
>> ... ->DC2--'
>>
>
> I still do not understand how that actually works technically, but maybe
> it does if you say so. But I also believe that "git log" etc on DL1/DC2
> will show that commit UL0 is part of my tree (which it isn't?). This will
> be really confusing when looking back at the history when debugging etc.
Yes, it will look like UL0 is part of your tree. The edge from
UL1->DL1, which looks redundant, is actually there as a visual reminder
of the state of the llvm tree.
Unfortunately, git just doesn't have a good way to express the kind of
history we're creating here. Since redundant edges are oddball in git
and git itself never creates them, I thought it would be strange enough
to stick out as a reminder.
If there's some other way to express this (Git notes? Commit message?)
that would be more helpful, I'd be happy to consider it.
-David
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