git rebase --interactive problems

From: Dave Rodgman <dav1dr@eml.cc>
Date: Sep 7, 2009, 12:31 UTC
Message-ID: <1252326716.7497.1333578429@webmail.messagingengine.com>

When I try to do even the simplest rebase --interactive, I get a cryptic error message:

$ git rebase -i HEAD~2 <do nothing in the editor that appears, just save>

I then get:

/usr/lib/git-core/git-rebase--interactive: 1: arithmetic expression: expecting primary: "-c ^[^#] 2+-c ^[^#] 0"

and all I can do is git rebase --abort

Am I doing something wrong, or is this a bug? I am using git 1.6.4.2

thanks

Dave

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