From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 26 Feb 2009 20:30:27 GMT
Subject: Re: [PATCH] t5540-http-push.sh: avoid non-portable grep -P
Message-ID: <7vwsbdq6u4.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <1235677745-939-1-git-send-email-jaysoffian@gmail.com>

Jay Soffian <jaysoffian@gmail.com> writes:

> OS X's GNU grep does not support -P/--perl-regexp; use egrep instead,
> avoiding non-portable braces ({}) as well.
>
> Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
> ---
>  t/t5540-http-push.sh |    8 +++++++-
>  1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/t/t5540-http-push.sh b/t/t5540-http-push.sh
> index 11b3432..6a255a6 100755
> --- a/t/t5540-http-push.sh
> +++ b/t/t5540-http-push.sh
> @@ -94,9 +94,15 @@ test_expect_success 'MKCOL sends directory names with trailing slashes' '
>  
>  '
>  
> +x1="[a-z0-9]"

Why [a-z0-9] not [0-9a-f]?

> +x2="$x1$x1"
> +x5="$x1$x1$x1$x1$x1"
> +x38="$x5$x5$x5$x5$x5$x5$x5$x1$x1$x1"
> +x40="$x38$x2"
> +
>  test_expect_success 'PUT and MOVE sends object to URLs with SHA-1 hash suffix' '
>  
> -	grep -P "\"(?:PUT|MOVE) .+objects/[\da-z]{2}/[\da-z]{38}_[\da-z\-]{40} HTTP/[0-9.]+\" 20\d" \
> +	egrep "\"(PUT|MOVE) .+objects/$x2/${x38}_$x40 HTTP/[0-9.]+\" 20[0-9]" \
>  		< "$HTTPD_ROOT_PATH"/access.log

I'd rather see the basic BRE grep used if you are shooting for
portability.

There are some oddballs in the source (git-submodule.sh is a notable
offender) but none of the core-ish scripts uses egrep nor "grep -E".