Bug#462776: exim4-config: upgrade fails with dash as /bin/sh

[matthieu castet]

Package: exim4-config
Version: 4.69-1
Severity: important


If dash is /bin/sh

upgrade fails with :

undocumented line MAIN_TLS_ENABLE=1 found in
/etc/exim4/update-exim4.conf.conf, 
generating exim macro
sed: -e expression n°1, caractère 197: commande `s' inachevée
dpkg : erreur de traitement de exim4-config (--configure) :
 le sous-processus post-installation script a retourné une erreur de
 sortie d'état 1

-- Package-specific info:
Exim version 4.69 #1 built 22-Jan-2008 09:26:24
Copyright (c) University of Cambridge 2006
Berkeley DB: Berkeley DB 4.6.21: (September 27, 2007)
Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages
Lookups: lsearch wildlsearch nwildlsearch iplsearch cdb dbm dbmnz dnsdb dsearch nis nis0 passwd
Authenticators: cram_md5 plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp
Fixed never_users: 0
Size of off_t: 8
Configuration file is /var/lib/exim4/config.autogenerated
# /etc/exim4/update-exim4.conf.conf
#
# Edit this file and /etc/mailname by hand and execute update-exim4.conf
# yourself or use 'dpkg-reconfigure exim4-config'

dc_eximconfig_configtype='internet'
dc_other_hostnames='mut38-1-82-67-62-65.fbx.proxad.net:mat-pc.hd.free.fr:mat-pc.no-ip.org'
dc_local_interfaces=''
dc_readhost=''
dc_relay_domains=''
dc_minimaldns='true'
dc_relay_nets=''
dc_smarthost='smtp.free.fr'

CFILEMODE='644'
dc_use_split_config='false'
dc_hide_mailname='false'
dc_mailname_in_oh='true'

MAIN_TLS_ENABLE=1
dc_localdelivery='mail_spool'
mailname:mut38-1-82-67-62-65.fbx.proxad.net

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.23.11 (PREEMPT)
Locale: LANG=C, LC_CTYPE=C (charmap=ISO-8859-1) (ignored: LC_ALL set to fr_FR)
Shell: /bin/sh linked to /bin/bash

Versions of packages exim4-config depends on:
ii  adduser                       3.105      add and remove users and groups
ii  debconf [debconf-2.0]         1.5.18     Debian configuration management sy

exim4-config recommends no packages.

-- debconf information:
* exim4/dc_smarthost: smtp.free.fr
* exim4/dc_relay_domains:
  exim4/dc_localdelivery: mbox format in /var/mail/
  exim4/exim3_upgrade: true
* exim4/dc_eximconfig_configtype: internet site; mail is sent and received directly using SMTP
  exim4/dc_readhost:
  exim4/exim4-config-title:
* exim4/dc_noalias_regenerate: false
* exim4/dc_relay_nets:
* exim4/mailname: mut38-1-82-67-62-65.fbx.proxad.net
* exim4/dc_local_interfaces:
* exim4/dc_minimaldns: true
* exim4/dc_other_hostnames: mut38-1-82-67-62-65.fbx.proxad.net:mat-pc.hd.free.fr:mat-pc.no-ip.org
  exim4/no_config: true
* exim4/hide_mailname: false
* exim4/dc_postmaster: mat
* exim4/use_split_config: false
  exim4/internal/exim4-config.reconfigure: false