Bug#442077: su + ssh + false kills $PPID?

[Chet Ramey <chet.ramey@case.edu>]

Dan Jacobson wrote:
> Package: openssh-client
> Version: 1:4.6p1-5
> Severity: normal
> File: /usr/bin/ssh
> 
> Why does this script not finish, only when using su, and only when
> using ssh?
> 
> # cat script
> su my_username_here <<\EOEOE
> set -x
> echo $- #no -e here, see
> remote=my.remote.host.here
> false
> ssh $remote false #Why does this signal the parent to bomb out?
> echo never got here

Because ssh, like its predecessor rsh, consumes its standard input
unless given the -n option.  Its standard input is the same as its
parent's:  the contents of the here document.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		       Live Strong.  No day but today.
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/