[[!comment format=mdwn
 username="http://joeyh.name/"
 ip="209.250.56.55"
 subject="comment 1"
 date="2014-07-09T18:20:13Z"
 content="""
mergeDirect locks .git/index, so no other git command should use it while the merge is in progress.

However, if the index file is deleted, and stageMerge runs, it stages deletion of all files. So that looks likely to be part of the story.
"""]]