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代码： 全选

YYH-PC init # cat bumblebeed.conf 
# Upstart job for Bumblebee daemon

description "Bumblebee supporting nVidia Optimus cards"
author      "Lekensteyn <[email protected]>"

# XXX: do we need to stop before / after a graphical DE like kdm?
start on    (login-session-start or desktop-session-start)
stop on     (desktop-shutdown)

# restart in case it crashed for some reason
respawn

script
	libopts=

	# When the user installs a nvidia package that is unknown,
	# ignore the paths in bumblebee.conf and use detected ones
	if ! driver=$(grep -Po '^Driver=\K.*' /etc/bumblebee/bumblebee.conf) \
		|| [ -z "$driver" ] || [ "$driver" = "nvidia" ]; then
		# find LibraryPath setting of nvidia section
		libpath=$(awk -F[=:] '/^\[driver-nvidia\]/{d=1}/^LibraryPath=/{if(d){print $2;exit}}' \
			/etc/bumblebee/bumblebee.conf) || true

		# pick the first available nvidia installation (not necessary
		# the latest, e.g. nvidia-current over nvidia-experimental-310)
		pkgname=$(ls -1d /usr/lib/nvidia*/libGL.so | cut -d/ -f4 | head -1) || true

		# When the default library path does not contain nvidia drivers,
		# it is possibly not installed. If no driver is installed (no
		# /usr/lib/nvidia-*), assume that the auto-detection will use
		# nouveau instead and do not override paths.
		if [ ! -e "$libpath/libGL.so" -a -n "$pkgname" ] && \
			modprobe -nq "$pkgname"; then
			# assume nvidia driver even if nouveau is already loaded
			libopts="$libopts --driver nvidia"
			libopts="$libopts --driver-module $pkgname"
			libopts="$libopts --ldpath /usr/lib/$pkgname:/usr/lib32/$pkgname"
			libopts="$libopts --module-path /usr/lib/$pkgname/xorg,/usr/lib/xorg/modules"
		fi
	fi

	# don't use --daemon as Upstart gets confused by that.
	exec '/usr/sbin/bumblebeed' --use-syslog $libopts
end script

代码： 全选

YYH-PC init.d # cat bumblebeed 
#!/bin/sh -e
# upstart-job
#
# Symlink target for initscripts that have been converted to Upstart.

set -e

INITSCRIPT="$(basename "$0")"
JOB="${INITSCRIPT%.sh}"

if [ "$JOB" = "upstart-job" ]; then
    if [ -z "$1" ]; then
        echo "Usage: upstart-job JOB COMMAND" 1>&2
	exit 1
    fi

    JOB="$1"
    INITSCRIPT="$1"
    shift
else
    if [ -z "$1" ]; then
        echo "Usage: $0 COMMAND" 1>&2
	exit 1
    fi
fi

COMMAND="$1"
shift


if [ -z "$DPKG_MAINTSCRIPT_PACKAGE" ]; then
	ECHO=echo
else
	ECHO=:
fi

$ECHO "Rather than invoking init scripts through /etc/init.d, use the service(8)"
$ECHO "utility, e.g. service $INITSCRIPT $COMMAND"

# Only check if jobs are disabled if the currently _running_ version of
# Upstart (which may be older than the latest _installed_ version)
# supports such a query.
#
# This check is necessary to handle the scenario when upgrading from a
# release without the 'show-config' command (introduced in
# Upstart for Ubuntu version 0.9.7) since without this check, all
# installed packages with associated Upstart jobs would be considered
# disabled.
#
# Once Upstart can maintain state on re-exec, this change can be
# dropped (since the currently running version of Upstart will always
# match the latest installed version).

UPSTART_VERSION_RUNNING=$(initctl version|awk '{print $3}'|tr -d ')')

if dpkg --compare-versions "$UPSTART_VERSION_RUNNING" ge 0.9.7
then
    initctl show-config -e "$JOB"|grep -q '^  start on' || DISABLED=1
fi

case $COMMAND in
status)
    $ECHO
    $ECHO "Since the script you are attempting to invoke has been converted to an"
    $ECHO "Upstart job, you may also use the $COMMAND(8) utility, e.g. $COMMAND $JOB"
    $COMMAND "$JOB"
    ;;
start|stop)
    $ECHO
    $ECHO "Since the script you are attempting to invoke has been converted to an"
    $ECHO "Upstart job, you may also use the $COMMAND(8) utility, e.g. $COMMAND $JOB"
    if status "$JOB" 2>/dev/null | grep -q ' start/'; then
        RUNNING=1
    fi
    if [ -z "$RUNNING" ] && [ "$COMMAND" = "stop" ]; then
        exit 0
    elif [ -n "$RUNNING" ] && [ "$COMMAND" = "start" ]; then
        exit 0
    elif [ -n "$DISABLED" ] && [ "$COMMAND" = "start" ]; then
        exit 0
    fi
    $COMMAND "$JOB"
    ;;
restart)
    $ECHO
    $ECHO "Since the script you are attempting to invoke has been converted to an"
    $ECHO "Upstart job, you may also use the stop(8) and then start(8) utilities,"
    $ECHO "e.g. stop $JOB ; start $JOB. The restart(8) utility is also available."
    if status "$JOB" 2>/dev/null | grep -q ' start/'; then
        RUNNING=1
    fi
    if [ -n "$RUNNING" ] ; then
        stop "$JOB"
    fi
    # If the job is disabled and is not currently running, the job is
    # not restarted. However, if the job is disabled but has been forced into the
    # running state, we *do* stop and restart it since this is expected behaviour
    # for the admin who forced the start.
    if [ -n "$DISABLED" ] && [ -z "$RUNNING" ]; then
        exit 0
    fi
    start "$JOB"
    ;;
reload|force-reload)
    $ECHO
    $ECHO "Since the script you are attempting to invoke has been converted to an"
    $ECHO "Upstart job, you may also use the reload(8) utility, e.g. reload $JOB"
    reload "$JOB"
    ;;
*)
    $ECHO
    $ECHO "The script you are attempting to invoke has been converted to an Upstart" 1>&2
    $ECHO "job, but $COMMAND is not supported for Upstart jobs." 1>&2
    exit 1
esac