Hallo Christian,

quoted text
> Something like:
> 
>  $ git bisect run ! grep string my_file
> 
> does not work right now, probably because '!' is a shell keyword.

I didn't check you patch in deep, but you should consider that the
special meaning of "!" isn't implemented in the original Bourne
Shell[1].

IIRC this or something similar was brought up some time ago and the
result was, that your script has to do the negation if needed.

Best regards
Uwe

[1] login@~ > uname -a
    SunOS login 5.10 Generic_118833-36 sun4u sparc

    login@~ > /bin/sh -c "! true"
    /bin/sh: !: not found

-- 
Uwe Kleine-K