lxqt uninstalled network-manager and plasma-nm

[Uqbar]

Impact
======
Kubuntu 16.04 and 16.10 users who try to install 'lxqt' will have network-manager uninstalled. This is needlessly disruptive since network-manager should work fine and users may have already configured their networks with network-manager.

Test Case
=========
From Kubuntu, run
sudo apt install lxqt

Does apt say that it will remove network-manager?

Regression Potential
====================
Low. Maybe cmst integrates better with lxqt?

Other Info
==========
'lxqt' is the metapackage from Debian. For 16.10 and newer, it is recommended to install lubuntu-qt-desktop instead.

lxqt 4 recommends cmst. cmst depends on connman. network-manager conflicts with connman. This bug does not affect Ubuntu (Unity) where apt does not install cmst despite the recommends. I think the reason that it works in Ubuntu (Unity) is because Ubuntu (Unity) depends on indicator-network which depends on network-manager. Kubuntu only recommends plasma-nm which depends on network-manager. Because it was only a recommends, I think apt is happy to remove plasma-nm to fulfill the new cmst recommends.

Original Bug Report
===================
In order to test lxqt from the official repos I installed the package named "lxqt".
This is what happened:

[enzo@Feynman ~] sudo apt-get install lxqt
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  audacious audacious-plugins audacious-plugins-data cmst compton compton-conf connman gnome-user-guide gucharmap libaudcore3 libaudgui3 libaudtag2 libbinio1v5 libbonoboui2-0 libbonoboui2-common libc-ares2
  libconfig9 libcue1 libfluidsynth1 libfm-data libfm-extra4 libfm-gtk-data libfm-gtk4 libfm-modules libfm-qt2 libfm4 libgail18 libgnome2-0 libgnome2-bin libgnomecanvas2-0 libgnomecanvas2-common libgnomeui-0
  libgnomeui-common libgucharmap-2-90-7 libguess1 libjpeg-progs libjpeg9 liblxqt-globalkeys-ui0 liblxqt-globalkeys0 libmenu-cache-bin libmenu-cache3 libmms0 liboobs-1-5 libsdl2-2.0-0 libsidplayfp4 libsndio6.1
  libstatgrab10 libsysstat-qt5-0 libxcb-screensaver0 libyelp0 lximage-qt lxmenu-data lxqt-about lxqt-admin lxqt-common lxqt-config lxqt-core lxqt-globalkeys lxqt-openssh-askpass lxqt-panel lxqt-policykit
  lxqt-powermanagement lxqt-qtplugin lxqt-runner lxqt-sudo obconf-qt ofono pcmanfm-qt qlipper qpdfview qpdfview-djvu-plugin qpdfview-ps-plugin qpdfview-translations qps screengrab smplayer smplayer-l10n
  smplayer-themes smtube system-tools-backends xarchiver xscreensaver xscreensaver-data yelp yelp-xsl
Suggested packages:
  indicator-network libfm-tools nautilus-actions sidplayfp sndiod calibre juffed nomacs qtpass quassel | quassel-client trojita | claws-mail vokoscreen zim arj lhasa rar rpm unar xfishtank xdaliclock
  xscreensaver-gl fortune qcam | streamer gdm3 | kdm-gdmcompat
Recommended packages:
  perl5
The following packages will be REMOVED:
  network-manager plasma-nm
The following NEW packages will be installed:
  audacious audacious-plugins audacious-plugins-data cmst compton compton-conf connman gnome-user-guide gucharmap libaudcore3 libaudgui3 libaudtag2 libbinio1v5 libbonoboui2-0 libbonoboui2-common libc-ares2
  libconfig9 libcue1 libfluidsynth1 libfm-data libfm-extra4 libfm-gtk-data libfm-gtk4 libfm-modules libfm-qt2 libfm4 libgail18 libgnome2-0 libgnome2-bin libgnomecanvas2-0 libgnomecanvas2-common libgnomeui-0
  libgnomeui-common libgucharmap-2-90-7 libguess1 libjpeg-progs libjpeg9 liblxqt-globalkeys-ui0 liblxqt-globalkeys0 libmenu-cache-bin libmenu-cache3 libmms0 liboobs-1-5 libsdl2-2.0-0 libsidplayfp4 libsndio6.1
  libstatgrab10 libsysstat-qt5-0 libxcb-screensaver0 libyelp0 lximage-qt lxmenu-data lxqt lxqt-about lxqt-admin lxqt-common lxqt-config lxqt-core lxqt-globalkeys lxqt-openssh-askpass lxqt-panel lxqt-policykit
  lxqt-powermanagement lxqt-qtplugin lxqt-runner lxqt-sudo obconf-qt ofono pcmanfm-qt qlipper qpdfview qpdfview-djvu-plugin qpdfview-ps-plugin qpdfview-translations qps screengrab smplayer smplayer-l10n
  smplayer-themes smtube system-tools-backends xarchiver xscreensaver xscreensaver-data yelp yelp-xsl
0 upgraded, 86 newly installed, 2 to remove and 0 not upgraded.
Need to get 22,5 MB of archives.
After this operation, 105 MB of additional disk space will be used.

This means that network-manager and plasma-nm are to be uninstalled.
I have been left with my KDE system without connectivity even before logging out of the KDE session and logging into the LxQt one.
LxQt doesn't recommend connman, but it's a dependency.
Thus LxQt cannot run along with KDE and this is to be made clear to users.
As an option, connman is to be made an option, not a mandatory bit.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lxqt (not installed)
ProcVersionSignature: Ubuntu 4.4.0-38.57-lowlatency 4.4.19
Uname: Linux 4.4.0-38-lowlatency x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Oct 22 10:21:11 2016
SourcePackage: lxqt-metapackages
UpgradeStatus: No upgrade log present (probably fresh install)

[Alf Gaida (agaida)]

fixed in later versions of the package - i suggest for 16.04 wontfix

[Jeremy Bícha (jbicha)]

This needs a bit more testing before upload. Maybe ask a Kubuntu or Lubuntu developer to take a look.

[Jeremy Bícha (jbicha)]

Alf, this is still broken. I tested with Kubuntu 16.10 which has lxqt-metapackages 5 where this was supposedly fixed. The fix is a bit odd.
-Recommends: cmst
+Recommends: cmst, connman | network-manager

I didn't test this, but maybe this would work:
+Recommends: cmst | network-manager

[Alf Gaida (agaida)]

outdated - no need to fix anything

[Alf Gaida (agaida)]

current metapackages fix that - the advice was never: "Hey, just get the stuff from experimental and think it is fully functional!"

[Alf Gaida (agaida)]

current metapackages fix that