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131 lines
3.9 KiB
131 lines
3.9 KiB
#! /bin/sh
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set -e
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# source debconf library
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. /usr/share/debconf/confmodule
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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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DEFAULT_DISPLAY_MANAGER_FILE=/etc/X11/default-display-manager
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if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp" ]; then
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cp -Rp "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp" "$DEFAULT_DISPLAY_MANAGER_FILE"
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fi
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if [ ! -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
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DEFAULT_DISPLAY_MANAGER=kdm-trinity
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if db_get shared/default-x-display-manager; then
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DEFAULT_DISPLAY_MANAGER="$RET"
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fi
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if [ -n "$DEFAULT_DISPLAY_MANAGER" ]; then
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DAEMON_NAME=
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if db_get "$DEFAULT_DISPLAY_MANAGER"/daemon_name; then
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DAEMON_NAME="$RET"
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fi
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if [ ! -n "$DAEMON_NAME" ]; then
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# if we were unable to determine the name of the selected daemon (for
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# instance, if the selected default display manager doesn't provide a
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# daemon_name question), guess
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DAEMON_NAME=$(which "$DEFAULT_DISPLAY_MANAGER" 2>/dev/null)
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if [ ! -n "$DAEMON_NAME" ]; then
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echo .
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# FIXME - redo this part uses shell-lib.sh from xfree86
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#warn "unable to determine path to default X display manager" \
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# "$DEFAULT_DISPLAY_MANAGER; not updating" \
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# "$DEFAULT_DISPLAY_MANAGER_FILE"
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fi
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fi
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if [ -n "$DAEMON_NAME" ]; then
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# FIXME - redo this part uses shell-lib.sh from xfree86
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#observe "committing change of default X display manager"
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echo "$DAEMON_NAME" > "$DEFAULT_DISPLAY_MANAGER_FILE"
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fi
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fi
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fi
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# remove the displaced old default display manager file if it exists
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if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp" ]; then
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rm "$DEFAULT_DISPLAY_MANAGER_FILE.dpkg-tmp"
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fi
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# restarting the daemon may cause output to stdout
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db_stop
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# don't start kdm if we are upgrading without stopping it
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NOSTART=
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if [ -e /var/run/kdm-trinity.upgrade ]; then
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NOSTART=yes
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fi
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# or if we're currently in X on the display it attempts to manage by default
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for HOST in "" \
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"localhost" \
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"$(hostname 2> /dev/null)" \
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"$(hostname -f 2> /dev/null)"; do
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if echo "$DISPLAY" | grep -q "^$HOST:0.*"; then
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NOSTART=yes
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break
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fi
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done
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# or if it's already running
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if start-stop-daemon --stop --quiet --signal 0 --pid /var/run/kdm.pid --name kdm-trinity; then
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NOSTART=yes
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fi
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# or if the options file says not to
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if ! grep -qs ^restart-on-upgrade /etc/trinity/kdm/kdm.options; then
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NOSTART=yes
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fi
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# md5sum of the stock Xservers shipped with KDE 3.3.2, which shipped with Sarge
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SARGEXSERVERS=d3ab063f564492e0e31830f56ccd350e
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CONFIGLEVEL=`grep -s ^ConfigVersion= /etc/trinity/kdm/kdmrc | sed s/^ConfigVersion=//`
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if [ -e /etc/trinity/kdm/kdmrc ]; then
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if dpkg --compare-versions "$CONFIGLEVEL" ge "2.3"; then
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KDMRCUPDATED=yes
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fi
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fi
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if [ -e /etc/trinity/kdm/Xservers ]; then
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if [ `md5sum /etc/trinity/kdm/Xservers | sed s/\ .*$//` = $SARGEXSERVERS ]; then
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XSERVERSUNCHANGED=yes
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fi
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fi
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# With KDE 3.4, /etc/trinity/kdm/Xservers is no longer required, so we remove it, if
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# the user has updated their kdmrc (if they haven't, kdm notices and keeps using
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# Xservers), and if it wasn't touched, i.e. there are no local changes the user
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# will want to merge into kdmrc.
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case "$1" in
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configure)
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if [ ! -z $KDMRCUPDATED ] && [ ! -z $XSERVERSUNCHANGED ]; then
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echo "Removing obsolete /etc/trinity/kdm/Xservers (detected no user changes)."
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rm -f /etc/trinity/kdm/Xservers
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elif [ ! -z $KDMRCUPDATED ] && [ -e /etc/trinity/kdm/Xservers ]; then
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echo "Note that /etc/trinity/kdm/Xservers is no longer used by KDM."
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echo "You must merge your changes (if any) into /etc/trinity/kdm/kdmrc manually."
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echo "Otherwise, /etc/trinity/kdm/Xservers is safe to remove."
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fi
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rm -f /etc/init.d/kdm-trinity
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ln -s /lib/init/upstart-job /etc/init.d/kdm-trinity
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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*)
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echo "postinst called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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exit 0
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