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