On Fri, Sep 16, 2016 at 11:19 AM, Lars Schneider
<larsxschnei...@gmail.com> wrote:
> This looks interesting! I ran into the same issue and added a parameter to 
> the p4 commands to retry (patch not yet proposed to the mailing list):
> https://github.com/autodesk-forks/git/commit/fcfc96a7814935ee6cefb9d69e44def30a90eabb

I was unaware of the retry flag to the p4 command, that seems like a
useful trick too. I think both approaches might pair nicely together
(p4 optimistically retrying, but still falling back to the latest git
checkpoint if we exhaust our N retry attempts).

> Would it make sense to print the "git-p4 resume command" in case an error 
> happens and checkpoints are written?

I was thinking something like this would be a good idea and would
certainly aide in usability. Resuming a sync is fairly
straight-forward (just re-execute the same command). Resuming a clone
is a bit more problematic, today if a depot path argument is provided
to the sync or clone command (and it is always required for clone), no
attempt is made to examine the existing git branches and limit to only
Perforce changes missing from git.

There is a lingering TODO in the script where we check the presence of
the depot path argument, with a suggestion that we should always make
an attempt to continue building upon existing history when it is
available. I think there might be a few edge cases around this
behavior that I'd need to think through. But, if I'm able to address
the TODO, then printing the command to resume the import should be
pretty straight-forward. I'll continue working on that next week.

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