Bug#930019: default-jre wants to uninstall sysvinit-core to install systemd

[Trek]

On Wed, 17 Jul 2019 10:41:39 +0200
Emmanuel Bourg <ebourg at apache.org> wrote:

> I suspect openjdk-11 ends up pulling libpam-systemd in its dependency
> graph, which triggers #926316.

going up the reverse dependency tree it happens:

libpam-systemd (is needed by)
 dbus-user-session
  dconf-service
   dconf-gsettings-backend
    libgtk-3-common
     libgtk-3-0
      openjdk-11-jre
        default-jre

so to resolve the issue, you have three options:

1. openjdk-11-jre depends on libgtk2.0-0 or libgtk-3-0, so to fix it
   you can install libgtk2.0-0 and not libgtk-3-0

2. libgtk-3-common depends on dconf-gsettings-backend or
   gsettings-backend (provided by gconf-gsettings-backend), so you can
   install libgtk-3-0 and gconf-gsettings-backend without
   dconf-gsettings-backend

3. dconf-service depends on default-dbus-session-bus or
   dbus-session-bus (provided by dbus-x11), again you can install
   dbus-x11 instead of dbus-user-session and it will not require systemd

actually I prefer a fourth option, but it require a small patch to the
libgtk-3-0 binary package, to remove gsettings-backend from dependencies
and it runs fine, showing this message:

  GLib-GIO-Message: 11:19:12.298: Using the 'memory' GSettings backend.
  Your settings will not be saved or shared with other applications.

to apply the patch (attached) you should do as user:

fakeroot
apt download libgtk-3-common
dpkg-deb -R libgtk-3-common_3.24.5-1_all.deb libgtk-3-common
patch -d libgtk-3-common -p1 <libgtk-3-common-gsettings.patch
dpkg -b libgtk-3-common

and then you can install it as root:

dpkg -i libgtk-3-common.deb


this issue affects any application that depends on gtk3 if systemd is
not the installed

I hope this can help you
ciao!
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