Re: bin/49595: unset built-in exits with failure if parameter not set

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR bin/49595; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: bin/49595: unset built-in exits with failure if parameter not set
Date: Tue, 11 Oct 2016 06:29:00 +0000

 On Mon, Oct 10, 2016 at 08:10:01PM +0000, William Ahern wrote:
  >  >  So are you talking about sh or ksh? Currently, sh does not exhibit
  >  >  this behavior, but ksh does.
  >  
  >  Oops. I didn't realize /bin/sh and /bin/ksh used different sources, and I
  >  analyzed and created a patch for the wrong implementation.
  >  
  >  This bug was fixed in sh in revision 1.43
  >  
  >    http://cvsweb.netbsd.org/bsdweb.cgi/src/bin/sh/var.c.diff?r1=1.42&r2=1.43&only_with_tag=MAIN&f=h
  >  
  >  but it never made it into the 6.1 branch. This issue is fixed in 7.0. Sorry
  >  for the noise.
 
 It's not noise :-)  just wanted to be clear on what you meant.
 
 I filed a request (pullup-6 #1412) to merge this change into the -6
 branch since it's pretty low risk.
 
 also, since you did the work, may as well fix ksh... although in
 general fixing ksh is rather like trying to bail with an eyedropper.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost