From: Junio C Hamano Date: Wed, 12 Mar 2008 22:45:43 GMT Subject: Re: [PATCH 04/16] grep portability fix: don't use "-e" or "-q" Message-ID: <7v63vr4l48.fsf@gitster.siamese.dyndns.org> In-Reply-To: <7vr6ef4mqa.fsf@gitster.siamese.dyndns.org> Junio C Hamano writes: > Jeff King writes: > >> System V versions of grep (such as Solaris /usr/bin/grep) >> don't understand either of these options. git's usage of > > It might be fair for other System V people to qualify the above statement > with "Historic System V" (personally I felt that Solaris without xpg4 was > unusable, and I wish you luck tackling it). > > More seriously, you would need to disable "when grepping work-tree, > running the native grep is faster and just as capable" optimization in > builtin-grep.c::grep_cache(). Treat these problematic System V platforms > as if they are not __unix__. > > I am surprised that you did not have issues with "tail -n$number". > Historic way to spell it was "tail -$number" wasn't it? Heh, I notice you had to deal with these issues in the later patches ;-)