Bug#1144232: init script bug preventing removal

Package: sheepdog
Version: 0.8.3-5+b1
Severity: serious

While installing some other package:

Installing dependencies:
  libcurl4-gnutls  perl-modules-5.42

REMOVING:
  came  gnash-common  gosmore  libcupt3-0-downloadmethod-curl  libre-engine-re2-perl  sheepdog

Summary:
  Upgrading: 122, Installing: 2, Removing: 6, Not Upgrading: 552
  13 not fully installed or removed.
  Download size: 0 B / 16.5 MB
  Space needed: 3,286 kB / 2,719 MB available

Continue? [Y/n] 
Retrieving bug reports... Done
Parsing Found/Fixed information... Done
Reading changelogs... Done
Extracting templates from packages: 100%
(Reading database… 815453 files and directories currently installed.)
Removing sheepdog (0.8.3-5+b1)…
Failed to stop sheepdog.service: Unit sheepdog.service not loaded.
invoke-rc.d: initscript sheepdog, action "stop" failed.
dpkg: error processing package sheepdog (--remove):
 old sheepdog package prerm maintainer script subprocess failed with exit status 1
dpkg: too many errors, stopping
Errors were encountered while processing:
 sheepdog
Processing was halted because there were too many errors.
needrestart is being skipped since dpkg has failed
Error: Sub-process /usr/bin/dpkg returned an error code (1)


So let's add some "set -x" to prerm and init scripts:

(Reading database… 815453 files and directories currently installed.)
Removing sheepdog (0.8.3-5+b1)…
+ [ -x /etc/init.d/sheepdog ]
+ invoke-rc.d sheepdog stop
Failed to stop sheepdog.service: Unit sheepdog.service not loaded.
invoke-rc.d: initscript sheepdog, action "stop" failed.
+ exit 1
dpkg: error processing package sheepdog (--remove):
 old sheepdog package prerm maintainer script subprocess failed with exit status 1
dpkg: too many errors, stopping
Errors were encountered while processing:
 sheepdog
Processing was halted because there were too many errors.
needrestart is being skipped since dpkg has failed
Error: Sub-process /usr/bin/dpkg returned an error code (1)




-- System Information:
Debian Release: forky/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 7.2.0-rc7 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages sheepdog depends on:
ii  debconf [debconf-2.0]                 1.5.92
ii  dpkg                                  1.23.7
ii  libc6                                 2.42-17
ii  libcfg7                               3.1.10-3
ii  libcpg4                               3.1.10-3
ii  libcurl3t64-gnutls [libcurl3-gnutls]  8.20.0-2
ii  libfcgi0t64 [libfcgi0ldbl]            2.4.5-0.1+b2
ii  libfuse2t64 [libfuse2]                2.9.9-9+b2
ii  libzookeeper-mt2                      3.9.5-2

Versions of packages sheepdog recommends:
pn  corosync  <none>

sheepdog suggests no packages.

-- debconf information:
* sheepdog/start: false
* sheepdog/daemon_args:

-- 
08:29 <HE> Moin.
08:30 <aba> oh, die Studenten werden wach und ich bin noch nicht im Büro. Da
	habe ich wohl verschlafen