Re: [PATCH] t5540-http-push.sh: avoid non-portable grep -P

From: Junio C Hamano <gitster@pobox.com>
Date: Feb 26, 2009, 22:37 UTC
Message-ID: <7veixkrfif.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <76718490902261419r314f6ea4r5eb02e9b5b0c40d0@mail.gmail.com>

Jay Soffian <jaysoffian@gmail.com> writes:

Show 12 quoted lines

> On Thu, Feb 26, 2009 at 4:48 PM, Junio C Hamano <gitster@pobox.com> wrote:
>> So perhaps define a variable:
>>
>> good="\"\(PUT\|MOVE\) .*/objects/$x2/${x38}_$x40 HTTP/[.0-9]*" 20[0-9]\""
>>
>> and grep for it?
>
> Hmpfh. According to my re_format man page:
>
> Obsolete (``basic'') regular expressions differ in several respects.
> `|' is an ordinary character and there is no equivalent for its
> functionality.

Ahh, you are right; there is no '|'-alternation in BRE.

We of course could do something like:

    good=" .*/objects/$x2/${x38}_$x40 HTTP/[.0-9]*" 20[0-9]\""
    grep -e "\"PUT $good" -e "\"MOVE $good"

But that's too ugly.

I don't mind Perl as we already depend on it; the looseness of the regexp stil bothers me somewhat, though...