Subject: Re: [PATCH] rev-parse --show-prefix: add in trailing newline

From: Jonathan Nieder <[email-masked]>
Date: Tue, 10 Apr 2012 09:04:21 -0500

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.