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[Launchpad Bug Tracker <1448690@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: isc-dhcp (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1448690

Title:
  /sbin/dhclient-script has bashisms

Status in isc-dhcp package in Ubuntu:
  Confirmed

Bug description:
  /sbin/dhclient-script calls /bin/sh, which is of course dash, but
  contains bash-specific functions:

  root@mystic:~# ifup br0
  Internet Systems Consortium DHCP Client 4.3.1
  Copyright 2004-2014 Internet Systems Consortium.
  All rights reserved.
  For info, please visit https://www.isc.org/software/dhcp/

  Listening on LPF/br0/00:1d:92:d7:ad:8a
  Sending on   LPF/br0/00:1d:92:d7:ad:8a
  Sending on   Socket/fallback
  DHCPREQUEST of 172.31.3.6 on br0 to 255.255.255.255 port 67 (xid=0x7488da46)
  DHCPACK of 172.31.3.6 from 172.31.3.4
  RTNETLINK answers: File exists
  bound to 172.31.3.6 -- renewal in 38988 seconds.
  /sbin/dhclient-script: 55: /sbin/dhclient-script: shopt: not found
  /sbin/dhclient-script: 60: /sbin/dhclient-script: [[: not found
  /sbin/dhclient-script: 60: /sbin/dhclient-script: [[: not found
  /sbin/dhclient-script: 68: /sbin/dhclient-script: shopt: not found
  root@mystic:~# head -n1 /sbin/dhclient-script 
  #!/bin/sh
  root@mystic:~# 

  Shebang line needs to be /bin/bash, or the script needs to be
  rewritten.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: isc-dhcp-client 4.3.1-5ubuntu2
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  Date: Sun Apr 26 10:29:56 2015
  EcryptfsInUse: Yes
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: isc-dhcp
  UpgradeStatus: Upgraded to vivid on 2015-04-24 (1 days ago)

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