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[Ove Risberg <1003845@xxxxxxxxxxxxxxxxxx>]

Run the attached "non-breaking-space" script with /bin/sh, /bin/dash and
/bin/bash.

All of them complains and and none of them prints out "Test".
Both /bin/sh and /bin/dash continues and print out "Hello" and exit with exitstatus 0.
Bash will crash and exit with exit status 2

Run the attached "normal-space" script with /bin/sh, /bin/dash and
/bin/bash.

All of them prints out both "Test" and "Hello" and exit with exitstatus
0.

The difference between the two scripts is that one of them contains one
UTF-8 non-breaking space just like the sssd.conf file.

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https://bugs.launchpad.net/bugs/1003845

Title:
  Invisible symbols in sssd upstart config causes sssd to not start if
  /bin/sh is a link to /bin/bash

Status in “sssd” package in Ubuntu:
  Fix Released
Status in “sssd” source package in Precise:
  In Progress

Bug description:
  This problem appeared when I changed /bin/sh link to /bin/bash.
  Somehow dash tolerates this bug described below.

  When trying to start sssd I've got:

  root@ubuntu-precise:~# start sssd
  start: Job failed to start

  
  The only trace in syslog was:

  May 24 11:11:59 ubuntu-precise kernel: [66576.880595] init: sssd pre-
  start process (9782) terminated with status 2

  
  I've took a look on /etc/init/sssd.conf and everything looks ok, but after some play I make it to start, and this is the difference to the original:

  root@ubuntu-precise:/etc/init# diff sssd.conf sssd.conf.orig
  19c19
  < 	test -f /etc/sssd/sssd.conf || { stop; exit 0; }
  ---
  > 	test -f /etc/sssd/sssd.conf || { stop; exit 0; }

  
  This looks bizzare for me, so I tried that:

  root@ubuntu-precise:/etc/init# cat -A sssd.conf|grep test
  ^Itest -f /etc/sssd/sssd.conf || { stop; exit 0; }$
  root@ubuntu-precise:/etc/init# cat -A sssd.conf.orig|grep test
  ^Itest -f /etc/sssd/sssd.conf ||M-BM- { stop; exit 0; }$
  root@ubuntu-precise:/etc/init#

  
  I have no idea what does "M-BM-" stand for, but I'm sure this is not how it should be.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: sssd 1.8.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Thu May 24 11:02:44 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   SHELL=/bin/bash
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: sssd
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.init.sssd.conf: 2012-05-24T10:54:11.246378

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