GDM: Settings `IncludeAll=false` and `Include=username` do not have any effect

Submitted by Paul Menzel

Description

GDM 3.4.1-3 from Debian Sid/unstable is build with

--with-custom-conf=/etc/gdm3/daemon.conf

so the following file

    $ more /etc/gdm3/daemon.conf
    [daemon]
    [security]
    [xdmcp]
    [greeter]
    IncludeAll = false
    Include = joey

should only display the user joey in the user list. Unfortunately it does not work and all users are displayed.

Grepping GDM’s source it looks like that key is not used anymore.

/src/gdm(master) $ git grep GDM_KEY_INCLUDE_ALL common/gdm-settings-keys.h:#define GDM_KEY_INCLUDE_ALL "greeter/IncludeAll" paul@mattotaupa:~/src/gdm(master) $ gedit common/gdm-settings-keys.h & /src/gdm(master) $ git grep gdm-settings-keys common/Makefile.am: gdm-settings-keys.h
common/test-settings-client.c:#include "gdm-settings-keys.h" daemon/gdm-display.c:#include "gdm-settings-keys.h" daemon/gdm-server.c:#include "gdm-settings-keys.h" daemon/gdm-simple-slave.c:#include "gdm-settings-keys.h" daemon/gdm-simple-slave.c:#include "gdm-settings-keys.h" daemon/gdm-xdmcp-chooser-slave.c:#include "gdm-settings-keys.h" daemon/gdm-xdmcp-display-factory.c:#include "gdm-settings-keys.h" daemon/main.c:#include "gdm-settings-keys.h" daemon/session-worker-main.c:#include "gdm-settings-keys.h" daemon/simple-slave-main.c:#include "gdm-settings-keys.h" daemon/xdmcp-chooser-slave-main.c:#include "gdm-settings-keys.h" gui/simple-chooser/chooser-main.c:#include "gdm-settings-keys.h" gui/simple-chooser/gdm-host-chooser.c:#include "gdm-settings-keys.h" gui/simple-greeter/gdm-greeter-login-window.c:#include "gdm-settings-keys.h" gui/simple-greeter/gdm-user-chooser-widget.c:#include "gdm-settings-keys.h" gui/simple-greeter/greeter-main.c:#include "gdm-settings-keys.h"

Although I also could not find a commit where a line containing GDM_KEY_INCLUDE_ALL was removed.

Version: 3.4.x