[patch pasky] update gitcancel.sh to handle modes as well

Hi, gitcancel.sh do not handle mode changes: $ chmod -x Makefile $ git cancel patch: Only garbage was found in the patch input. Rather use checkout-cache to sync our tree, as should do the right thing instead of diffing (cancel imply just blow away everything). Signed-off-by:

Re: update gitcancel.sh to handle modes as well

Dear diary, on Fri, Apr 15, 2005 at 12:57:25AM CEST, I got a letter where Martin Schlemmer [EMAIL PROTECTED] told me that... Hi, gitcancel.sh do not handle mode changes: $ chmod -x Makefile $ git cancel patch: Only garbage was found in the patch input. Rather use