[Bug 1712735] Re: package open-vm-tools-desktop (not installed) failed to install/upgrade: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 5

[ChristianEhrhardt]

Fail is from ./open-vm-tools-desktop.prerm
+ ./open-vm-tools-desktop.prerm remove
+ pkill -USR1 -f (vmtoolsd.*vmusr|vmware-user)
+ true
+ [ -d /run/systemd/system ]
+ deb-systemd-invoke stop run-vmblock\x2dfuse.mount
+ [ -d /run/systemd/system ]
+ [ remove = remove ]
+ deb-systemd-invoke stop run-vmblockx2dfuse.mount
Failed to stop run-vmblockx2dfuse.mount: Unit run-vmblockx2dfuse.mount not loaded.

That is actually by:
# Automatically added by dh_systemd_start/10.7.2ubuntu2
if [ -d /run/systemd/system ] && [ "$1" = remove ]; then
        deb-systemd-invoke stop run-vmblock\x2dfuse.mount >/dev/null
fi
# End automatically added section

If e.g. installe din a container the modprobe fails anyway and it can't fuse.
There might be other reasons for the service to fail that are "ok" just like this.

Further more it seems "ok" to not start, see the || true
# Automatically added by dh_systemd_start/10.7.2ubuntu2
if [ -d /run/systemd/system ]; then
        systemctl --system daemon-reload >/dev/null || true
        deb-systemd-invoke start run-vmblock\x2dfuse.mount >/dev/null || true
fi
# End automatically added section


I wonder if it would be right to generate also the stop with a || true.
Maybe not as simple as that, but kind of a
1. stop it (ignore errors)
2. if not running, then all ok
3. only if after stop it is still running it is an error (e.g. can't remove while running)

But that is a generic thing so it should be filed to debhelper as well

** Also affects: debhelper (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1712735

Title:
  package open-vm-tools-desktop (not installed) failed to
  install/upgrade: le sous-processus script pre-removal installé a
  retourné une erreur de sortie d'état 5

Status in debhelper package in Ubuntu:
  New
Status in open-vm-tools package in Ubuntu:
  New

Bug description:
  Test Case:
  1. Install open-vm-tools-desktop
  2. Uninstall open-vm-tools-desktop

  ProblemType: Package
  DistroRelease: Ubuntu 17.10
  Package: open-vm-tools-desktop (not installed)
  ProcVersionSignature: Ubuntu 4.12.0-11.12-generic 4.12.5
  Uname: Linux 4.12.0-11-generic x86_64
  ApportVersion: 2.20.6-0ubuntu7
  Architecture: amd64
  Date: Wed Aug 23 09:58:14 2017
  ErrorMessage: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 5
  InstallationDate: Installed on 2013-09-03 (1450 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130902)
  Python3Details: /usr/bin/python3.6, Python 3.6.2, python3-minimal, 3.6.1-0ubuntu3
  PythonDetails: /usr/bin/python2.7, Python 2.7.13, python-minimal, 2.7.13-2
  RelatedPackageVersions:
   dpkg 1.18.24ubuntu1
   apt  1.5~beta1
  SourcePackage: open-vm-tools
  Title: package open-vm-tools-desktop (not installed) failed to install/upgrade: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 5
  UpgradeStatus: No upgrade log present (probably fresh install)

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