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#!/bin/sh
set -e
. /usr/share/debconf/confmodule
THIS_PACKAGE=lightdm
DEFAULT_DISPLAY_MANAGER_FILE=/etc/X11/default-display-manager
# creating lightdm group if he isn't already there
if ! getent group lightdm >/dev/null; then
addgroup --system lightdm
fi
# creating lightdm user if he isn't already there
if ! getent passwd lightdm >/dev/null; then
adduser --system --ingroup lightdm --home /var/lib/lightdm lightdm
usermod -c "Light Display Manager" lightdm
usermod -d "/var/lib/lightdm" lightdm
usermod -g "lightdm" lightdm
usermod -s "/bin/false" lightdm
fi
mkdir -p /var/lib/lightdm
chown -R lightdm:lightdm /var/lib/lightdm
chmod 0750 /var/lib/lightdm
# debconf is not a registry, so we only fiddle with the default file if it
# does not exist
if [ ! -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
if db_get shared/default-x-display-manager; then
# workaround debconf passthru bug (#379198)
if [ -z "$RET" ]; then
$RET="$THIS_PACKAGE"
fi
if [ "$THIS_PACKAGE" != "$RET" ]; then
echo "Please be sure to run \"dpkg --configure $RET\"."
fi
if db_get "$RET"/daemon_name; then
echo "$RET" > $DEFAULT_DISPLAY_MANAGER_FILE
fi
fi
fi
# remove the displaced old default display manager file if it exists
if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp" ]; then
rm "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp"
fi
# debconf hangs if lightdm gets started below without this
db_stop || true
# update-rc.d levels
S=30
K=01
if [ -x /etc/init.d/lightdm ]; then
update-rc.d lightdm defaults $S $K >/dev/null 2>&1
fi
if [ "$1" = "configure" ];
then
# set default-display-manager systemd service link according to our config
if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE" -a -d /etc/systemd/system/ ]; then
SERVICE=/lib/systemd/system/$(basename $(cat "$DEFAULT_DISPLAY_MANAGER_FILE")).service
if [ -e "$SERVICE" ]; then
ln -sf "$SERVICE" /etc/systemd/system/display-manager.service
else
echo "ERROR: $SERVICE is the selected default display manager but does not exist" >&2
fi
fi
fi
#DEBHELPER#
exit 0
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