Create function to sq_quote into a buffer
Handle !'s for csh-based shells
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
A useful shell safety helper sq_expand() was hidden as a static
function in diff.c. Extract it out and make it available as
sq_quote().
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>