My svn repo has 17000+ files in 1000+ directories.  I managed to
narrow my problem down to this sequence of steps:

    mkdir poo
    cd poo
    git init
    git svn init file:///home/averyp/svn.bak/branches/MyBranch
    git svn fetch -r3095 2>&1 | tee git.out

Which culminates in:

    Checksum mismatch: ThirdParty/whateverdir/blahblah
    expected: c342eaa17fe219a764c06642bb951474
        got: 848bbb56e4c22755ffb687fb70ae1ac6

For extra excitement, if I run the same command multiple times, the
exact file (blahblah) with the checksum mismatch differs each time.
However, it tends to be a file approximately the same "distance" down
in the fetch: it's almost always in whateverdir, which contains only
333 out of the 17000 files.

This leads me to believe there's a race condition or buffer problem
somewhere causing the problem.  Using git-bisect, I discovered that it
works fine in git 1.5.5.1, and that this patch is the one to blame:

  commit ffe256f9bac8a40ff751a9341a5869d98f72c285
  Author: Adam Roben <aroben@apple.com>
  Date:   Fri May 23 16:19:41 2008 +0200

    git-svn: Speed up fetch

Figures. :)

Reverting it directly seems to cause a conflict, so I can't test for
sure that the latest master with this patch reverted would work
correctly.

Not quite sure what could be at fault here, or what to do next.
Unfortunately it's hard to assemble a test case for timing-related
problems like this.  Thoughts?

Thanks,

Avery
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