# ubiquity - Ubuntu live CD installer
#
# Installs Ubuntu from a live CD. This only does anything if told to do so
# by parameters on the kernel command line; otherwise, the installer may be
# started manually later.

description	"Ubuntu live CD installer"
author		"Ubuntu Installer Team <ubuntu-installer@lists.ubuntu.com>"

start on (starting gdm
	  or starting kdm
	  or starting xdm
	  or starting uxlaunch)
stop on (runlevel [06]
	 or stopping gdm
	 or stopping kdm
	 or stopping xdm
	 or stopping uxlaunch)

task
normal exit 0 1

emits starting-dm

script
    test -x /usr/bin/ubiquity-dm || exit 0

    ubiquity=
    automatic=
    debug=
    noninteractive=
    choose=
    for x in $(cat /proc/cmdline); do
	case $x in
	    debug-ubiquity)
		debug="-d"
		ubiquity=1
		;;
	    automatic-ubiquity)
		automatic="--automatic"
		ubiquity=1
		;;
	    maybe-ubiquity)
		ubiquity=1
		choose="--greeter"
		;;
	    only-ubiquity)
		ubiquity=1
		;;
	    noninteractive)
		ubiquity=1
		noninteractive=1
		;;
	esac
    done
    [ "$ubiquity" ]

    if [ -r /etc/environment ]; then
	if LANG=$(pam_getenv -l LANG); then
	    export LANG
	fi
	if LANGUAGE=$(pam_getenv -l LANGUAGE); then
	    export LANGUAGE
	fi
    fi

    initctl emit starting-dm DM=ubiquity-dm

    # turn off console blanking for install process
    setterm -blank 0

    if [ -n "$noninteractive" ]; then
	plymouth quit || :
	exec ubiquity noninteractive $debug
    else
	if ! ubiquity-dm vt7 :0 ubuntu /usr/bin/ubiquity $debug $automatic $choose --only; then
	    # has X crashed, or has ubiquity?
            if [ "$automatic" ] && ! [ -f /var/log/installer/version ]; then
                # in case we crashed before the X startup sequence
                plymouth quit || :
                exec ubiquity noninteractive $debug
            fi
	fi
    fi
    exit 0
end script