[BUG] Halt during fetch on MacOS

$ git --version  # This is just the git from MacPorts
git version 1.8.5.5
$ sw_vers
ProductName:    Mac OS X
ProductVersion: 10.8.5
BuildVersion:   12F45

test.sh
"""""""""""""""""""""""""""""""""""""
#!/bin/bash
rungit() {
    mkdir $1
    GIT_DIR=$1 git init --bare
    echo '[remote "aosp"]' > $1/config
    echo '    url =
https://android.googlesource.com/platform/external/tinyxml2' >>
$1/config
    GIT_DIR=$1 git fetch aosp +refs/heads/master:refs/remotes/aosp/master
    rm -rf $1
}

for i in $(seq 1 100)
do
    rungit testdir$i &
done
"""""""""""""""""""""""""""""""""""""""
$ ./test.sh  # Warning! This script fetches ~40MB of data

When everything cools, you can see that there are some fetches hanging (typically). $ ps | grep 'git fetch' ... 63310 ttys004 0:00.01 git fetch aosp +refs/heads/master:refs/remotes/aosp/master 63314 ttys004 0:00.01 git fetch aosp +refs/heads/master:refs/remotes/aosp/master 63319 ttys004 0:00.01 git fetch aosp +refs/heads/master:refs/remotes/aosp/master 63407 ttys004 0:00.00 git fetch aosp +refs/heads/master:refs/remotes/aosp/master 63414 ttys004 0:00.00 git fetch aosp +refs/heads/master:refs/remotes/aosp/master 63420 ttys004 0:00.00 git fetch aosp +refs/heads/master:refs/remotes/aosp/master ...

You can look at the parent process of each and see that one half spawned the other half, or you can look at the environment variables for each to see that there are two processes operating in the same directory for each directory where there's an issue. $ echo "$(for pid in $(ps | grep 'git fetch' | grep -o '^[0-9]*'); do ps -p $pid -wwwE | grep 'GIT_DIR=[^ ]*' -o; done)" | sort GIT_DIR=testdir14 GIT_DIR=testdir14 GIT_DIR=testdir32 GIT_DIR=testdir32 GIT_DIR=testdir47 GIT_DIR=testdir47

I've searched through the mailing list, but this doesn't seem to be a known issue. I've only seen this occur on macs (and with a good deal of regularity). It doesn't occur on my Ubuntu box.

~cco3