postinst is in lightdm 1.2.1-0ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
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set -e
if dpkg-maintscript-helper supports mv_conffile; then
dpkg-maintscript-helper mv_conffile \
/etc/lightdm.conf \
/etc/lightdm/lightdm.conf \
0.3.7-0ubuntu2 -- "$@"
fi
. /usr/share/debconf/confmodule
THIS_PACKAGE=lightdm
DEFAULT_DISPLAY_MANAGER_FILE=/etc/X11/default-display-manager
# creating lightdm group if he isn't already there
if ! getent group lightdm >/dev/null; then
addgroup --system lightdm
fi
# creating lightdm user if he isn't already there
if ! getent passwd lightdm >/dev/null; then
adduser --system --ingroup lightdm --home /var/lib/lightdm lightdm
usermod -c "Light Display Manager" lightdm
usermod -d "/var/lib/lightdm" lightdm
usermod -g "lightdm" lightdm
usermod -s "/bin/false" lightdm
fi
# Creating nopasswdlogin group if he isn't already there.
# That enables the password-less login feature in the users-admin
# tool of the gnome-system-tools for users that belong to it,
# and which is working thanks to LightDM's PAM policy.
if ! getent group nopasswdlogin >/dev/null; then
addgroup --system nopasswdlogin
fi
if [ -d /var/lib/lightdm ]; then
chown lightdm:lightdm /var/lib/lightdm
chmod 0750 /var/lib/lightdm
fi
# debconf is not a registry, so we only fiddle with the default file if it
# does not exist
if ! [ -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
DEFAULT_DISPLAY_MANAGER=
if db_get shared/default-x-display-manager; then
DEFAULT_DISPLAY_MANAGER="$RET"
fi
if [ -n "$DEFAULT_DISPLAY_MANAGER" ]; then
DAEMON_NAME=
if db_get "$DEFAULT_DISPLAY_MANAGER"/daemon_name; then
DAEMON_NAME="$RET"
fi
if [ -z "$DAEMON_NAME" ]; then
# if we were unable to determine the name of the selected daemon (for
# instance, if the selected default display manager doesn't provide a
# daemon_name question), guess
DAEMON_NAME=$(which "$DEFAULT_DISPLAY_MANAGER" 2>/dev/null)
fi
if [ -n "$DAEMON_NAME" ]; then
echo "$DAEMON_NAME" > "$DEFAULT_DISPLAY_MANAGER_FILE"
fi
fi
fi
# Registering the init scripts or starting the daemon may cause output to
# stdout, which can confuse debconf.
db_stop
# migrate gdm configuration on first-time installation
if [ -z "$2" ]; then
if grep -q '^AutomaticLoginEnable *= *true$' /etc/gdm/custom.conf 2>/dev/null; then
user=`sed -n '/^AutomaticLogin *=/ { s/^.*= *//; p }' /etc/gdm/custom.conf`
if [ -n "$user" ]; then
/usr/lib/lightdm/lightdm-set-defaults --keep-old --autologin="$user"
fi
fi
fi
# Automatically added by dh_installinit
update-rc.d -f lightdm remove >/dev/null || exit $?
# End automatically added section
exit 0
|