[Bug 380761] [NEW] setting screen to start at login via screen-profiles breaks sh -lc

[Jordan]

Public bug reported:

Binary package hint: screen-profiles

The way that screen-profiles sets screen to start automatically at
login, by appending "[ -x /usr/bin/screen-launcher ] && /usr/bin/screen-
launcher" to the user's .profile, breaks "sh -lc command".  The
specified command will not be run until the .profile has been sourced
causing a screen session to be started with an interactive shell ( the
actual command specified will not be run until the user exits the
interactive shell and screen exits )

You can test this by running "screen-profiles" and choosing "Install
screen by default at login" then running:

sh -lc "echo hello world"

What should happen: sh should print "hello world" then exit

What does happen: An interactive screen session is started and hello
world is not printed until you exit this screen session

A possible fix for this would be to only run screen launcher if the
shell is an interactive shell. a way to do this that should work in
bash, dash, and ksh would be to add this to the .profile:

case $- in
*i*)
[ -x /usr/bin/screen-launcher ] && /usr/bin/screen-launcher ;;
esac

Description:	Ubuntu 9.04
Release:	9.04

screen-profiles 1.44-0ubuntu1.1

** Affects: screen-profiles (Ubuntu)
     Importance: Undecided
         Status: New

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setting screen to start at login via screen-profiles breaks sh -lc
https://bugs.launchpad.net/bugs/380761
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