From: Jonathan Nieder <jrnieder@gmail.com>
Date: Tue, 10 Apr 2012 14:04:21 GMT
Subject: Re: [PATCH] rev-parse --show-prefix: add in trailing newline
Message-ID: <20120410140421.GC2444@burratino>
In-Reply-To: <7v1unwwwov.fsf@alter.siamese.dyndns.org>

Junio C Hamano wrote:

> But it will break existing scripts if they expect the following to work:
>
> 	file="$(git rev-parse --show-prefix)/$1"
>         cd_to_toplevel
>         test -f "$file"

Huh?  I tried this:

	$ foo="$(printf '\n')/bar"
	$ printf '%s\n' "$foo"
	/bar

If that didn't work, it would mean that "git rev-parse --show-prefix"
would never work when the prefix is nonempty, because it is followed
by a newline.