cmt...@gmail.com wrote on Fri, 06 Sep 2013 15:03 -0400:
> Finally, I claim success! Unfortunately I did not try either of the OOM
> score or strace suggestions - sorry! After spending so much time on
> this, I've gotten to the point that I'm more interested in getting it to
> work than in figuring out why the direct approach isn't working; it
> sounds like you're both pretty confident that git is working as it
> should, and I don't maintain the system I'm doing this on so I don't
> doubt that there might be some artificial limit or other quirk here that
> we just aren't seeing.
>
> Anyway, what I found is that Pete's incremental method does work, I just
> have to know how to do it properly! This is what I WAS doing to
> generate the error message I pasted several posts ago:
>
> git clone //path/to/branch@<begin>,<stage1>
> cd branch
> git sync //path/to/branch@<stage2>
> # ERROR!
> # (I also tried //path/to/branch@<stage1+1>,<stage2>, same error)
>
> Eventually what happened is that I downloaded the free 20-user p4d, set
> up a very small repository with only 4 changes, and started some old
> fashioned trial-and-error. Here's what I should have been doing all
> along:
>
> git clone //path/to/branch@<begin>,<stage1>
> cd branch
> git sync //path/to/branch@<begin>,<stage2>
> git sync //path/to/branch@<begin>,<stage3>
> # and so on...
>
> And syncing a few thousand changes every day over the course of the past
> week, my git repo is finally up to the Perforce HEAD. So I suppose
> ultimately this was my own misunderstanding, partly because when you
> begin your range at the original first change number the output looks
> suspiciously like it's importing changes again that it's already
> imported. Maybe this is all documented somewhere, and if it is I just
> failed to find it.
>
> Thanks to both of you for all your help!
That you got it to work is the most important thing. Amazing all
the effort you put into it; a lesser hacker would have walked
away much earlier.
The changes don't overlap. If you give it a range that includes
changes already synced, git-p4 makes sure to start only at the
lowest change it has not yet seen. I'll see if I can update the
docs somewhere.
-- Pete
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