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# -*- Mode: sh; indent-tabs-mode: nil; tab-width: 4 -*-
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# Copyright (C) 2011,2013 Canonical Ltd
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# Author: Michael Terry <michael.terry@canonical.com>
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 3 of the License.
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# See http://www.gnu.org/copyleft/gpl.html the full text of the license.
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# This wrapper merely ensures that init and friends live only as long as this
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# script does. Otherwise, it's very easy for some processes to not notice that
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# the session died. We could try to do this in-process, but we want to do this
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# cleanup even if the greeter aborts.
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trap cleanup TERM EXIT
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# Kill upstart and indicators
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if [ -n "$INIT_PID" ]; then
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if [ -n "$DBUS_PID" ]; then
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if [ -n "$CMD_PID" ]; then
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gdbus call --session --dest org.freedesktop.DBus --object-path /org/freedesktop/DBus --method org.freedesktop.DBus.UpdateActivationEnvironment "{'$1': '$2'}"
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if [ -n "$INIT_PID" ]; then
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initctl set-env --global "$1=$2"
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# Start dbus if it hasn't already been started for us (such as on the Desktop
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# images by dbus-launch). We don't want to use dbus-launch ourselves because
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# we don't want dbus-x11 on the Touch images.
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if [ -z "$DBUS_SESSION_BUS_ADDRESS" ]; then
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export DBUS_SESSION_BUS_ADDRESS=unix:abstract=$(mktemp -u /tmp/dbus-XXXXXXXXXX)
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DBUS_PID=$(dbus-daemon --fork --session --print-pid --address="$DBUS_SESSION_BUS_ADDRESS")
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SUB_SOCKET=$XDG_RUNTIME_DIR/mir_socket
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rm -f $SUB_SOCKET # clear socket in case we were hard shut down
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# If touch session script (which sets up grid units and mir variables) is available, use it
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if [ -x /usr/bin/ubuntu-touch-session ]; then
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TOUCH_WRAPPER=/usr/bin/ubuntu-touch-session
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# Pretend that we're in an ubuntu-touch session, so that indicator-network
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export DESKTOP_SESSION=ubuntu-touch
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# We disable ofono using pulse. It causes problems with racing with the user's
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# pulse. We need to come up with a better long-term fix for this, because we
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# eventually need the greeter to play ringtones for users that aren't logged in.
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set_greeter_var PA_DISABLED 1
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# Normal unity8 sessions are entirely driven by Upstart. But greeters
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# are special. They need access to the file descriptors that lightdm
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# creates for them and don't want to start all the services that a normal
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# session would. So it's inconvenient to live within an upstart session.
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# But... we still want to use Upstart for some services. So launch here.
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USC_SOCKET=$MIR_SOCKET MIR_SOCKET=$SUB_SOCKET $TOUCH_WRAPPER /sbin/init --user --no-startup-event &
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while [ ! -e "$XDG_RUNTIME_DIR/upstart/sessions/$INIT_PID.session" ]; do sleep 0.1; done
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export UPSTART_SESSION=$(/sbin/initctl list-sessions | grep "^$INIT_PID " | cut -d' ' -f2)
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# Start any pre-greeter tasks if needed (like wizard)
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/sbin/initctl emit unity8-greeter-starting
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# Define language here for phone if available. When phone user switches their
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# language, they expect that to affect the greeter too. But the user doesn't
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# have permission to switch system language, only their own. So we notice if
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# the phablet user exists and use their language if so. TODO: talk to design
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# about whether we should switch language on fly as users are selected (this
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# is very hard to do technically).
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# Do this after unity8-greeter-starting, in case a customization upstart job
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if [ "$(id -u phablet 2>/dev/null)" = "32011" ]; then
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USER_LANG=$(gdbus call --system --dest org.freedesktop.Accounts --object-path /org/freedesktop/Accounts/User32011 --method org.freedesktop.DBus.Properties.Get org.freedesktop.Accounts.User Language | cut -d\' -f2)
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if [ -n "$USER_LANG" ]; then
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set_greeter_var LANGUAGE "$USER_LANG"
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USER_LOCALE=$(gdbus call --system --dest org.freedesktop.Accounts --object-path /org/freedesktop/Accounts/User32011 --method org.freedesktop.DBus.Properties.Get org.freedesktop.Accounts.User FormatsLocale | cut -d\' -f2)
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if [ -n "$USER_LOCALE" ]; then
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set_greeter_var LANG "$USER_LOCALE"
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set_greeter_var LC_ALL "$USER_LOCALE"
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# And finally actually start the greeter
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exec env MIR_SERVER_FILE=$SUB_SOCKET $TOUCH_WRAPPER $@ &