yocto-poky/scripts/yocto-kernel - stefanberger/openbmc - Gitiles

 #!/usr/bin/env python
 # ex:ts=4:sw=4:sts=4:et
 # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2012, Intel Corporation.
 # All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # DESCRIPTION
 # 'yocto-kernel' is the Yocto BSP Tool that helps users manage kernel
 # config options and patches for a Yocto BSP.  Invoking it without any
 # arguments will display help screens for the 'yocto-kernel' command
 # and list the available 'yocto-kernel' subcommands.  Invoking a
 # subcommand without any arguments will likewise display help screens
 # for the specified subcommand.  Please use that interface for
 # detailed help.
 #
 # AUTHORS
 # Tom Zanussi <tom.zanussi (at] intel.com>
 #

 __version__ = "0.1.0"

 import os
 import sys
 import optparse
 import logging

 scripts_path = os.path.abspath(os.path.dirname(os.path.abspath(sys.argv[0])))
 lib_path = scripts_path + '/lib'
 sys.path = sys.path + [lib_path]

 from bsp.help import *
 from bsp.kernel import *


 def yocto_kernel_config_list_subcommand(args, usage_str):
     """
     Command-line handling for listing BSP config options.  The
     real work is done by bsp.kernel.yocto_kernel_config_list().
     """
     logging.debug("yocto_kernel_config_list_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_config_list(scripts_path, args[0])


 def yocto_kernel_config_add_subcommand(args, usage_str):
     """
     Command-line handling for adding BSP config items.  The real work
     is done by bsp.kernel.yocto_kernel_config_add().
     """
     logging.debug("yocto_kernel_config_add_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) < 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     machine = args.pop(0)
     yocto_kernel_config_add(scripts_path, machine, args)


 def yocto_kernel_config_rm_subcommand(args, usage_str):
     """
     Command-line handling for removing BSP config items.  The real
     work is done by bsp.kernel.yocto_kernel_config_rm().
     """
     logging.debug("yocto_kernel_config_rm_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_config_rm(scripts_path, args[0])


 def yocto_kernel_patch_list_subcommand(args, usage_str):
     """
     Command-line handling for listing BSP (SRC_URI patches.  The real
     work is done by bsp.kernel.yocto_kernel_patch_list().
     """
     logging.debug("yocto_kernel_patch_list_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_patch_list(scripts_path, args[0])


 def yocto_kernel_patch_add_subcommand(args, usage_str):
     """
     Command-line handling for adding BSP patches.  The real work is
     done by bsp.kernel.yocto_kernel_patch_add().
     """
     logging.debug("yocto_kernel_patch_add_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) < 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     machine = args.pop(0)
     yocto_kernel_patch_add(scripts_path, machine, args)


 def yocto_kernel_patch_rm_subcommand(args, usage_str):
     """
     Command-line handling for removing BSP patches.  The real work is
     done by bsp.kernel.yocto_kernel_patch_rm().
     """
     logging.debug("yocto_kernel_patch_rm_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_patch_rm(scripts_path, args[0])


 def yocto_kernel_feature_list_subcommand(args, usage_str):
     """
     Command-line handling for listing the BSP features that are being
     used by the BSP.  The real work is done by
     bsp.kernel.yocto_kernel_feature_list().
     """
     logging.debug("yocto_kernel_feature_list_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_feature_list(scripts_path, args[0])


 def yocto_kernel_feature_add_subcommand(args, usage_str):
     """
     Command-line handling for adding the use of kernel features to a
     BSP.  The real work is done by bsp.kernel.yocto_kernel_feature_add().
     """
     logging.debug("yocto_kernel_feature_add_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) < 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     machine = args.pop(0)
     yocto_kernel_feature_add(scripts_path, machine, args)


 def yocto_kernel_feature_rm_subcommand(args, usage_str):
     """
     Command-line handling for removing the use of kernel features from
     a BSP.  The real work is done by bsp.kernel.yocto_kernel_feature_rm().
     """
     logging.debug("yocto_kernel_feature_rm_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_feature_rm(scripts_path, args[0])


 def yocto_kernel_available_features_list_subcommand(args, usage_str):
     """
     Command-line handling for listing all the kernel features
     available for use in a BSP.  This includes the features present in
     the meta branch(es) of the pointed-to repo(s) as well as the local
     features added in recipe-space to the current BSP as well.  The
     real work is done by bsp.kernel.yocto_kernel_available_features_list().
     """
     logging.debug("yocto_kernel_feature_available_features_list_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 1:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_available_features_list(scripts_path, args[0])


 def yocto_kernel_feature_describe_subcommand(args, usage_str):
     """
     Command-line handling for listing the description of a specific
     kernel feature available for use in a BSP.  This includes the
     features present in the meta branch(es) of the pointed-to repo(s)
     as well as the local features added in recipe-space to the current
     BSP as well.  The real work is done by
     bsp.kernel.yocto_kernel_feature_describe().
     """
     logging.debug("yocto_kernel_feature_describe_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_feature_describe(scripts_path, args[0], args[1])


 def yocto_kernel_feature_create_subcommand(args, usage_str):
     """
     Command-line handling for creating a recipe-space kernel feature
     in a BSP.  The real work is done by
     bsp.kernel.yocto_kernel_feature_create().
     """
     logging.debug("yocto_kernel_feature_create_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) < 4:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     machine = args.pop(0)
     yocto_kernel_feature_create(scripts_path, machine, args)


 def yocto_kernel_feature_destroy_subcommand(args, usage_str):
     """
     Command-line handling for removing a recipe-space kernel feature
     from a BSP.  The real work is done by
     bsp.kernel.yocto_kernel_feature_destroy().
     """
     logging.debug("yocto_kernel_feature_destroy_subcommand")

     parser = optparse.OptionParser(usage = usage_str)

     (options, args) = parser.parse_args(args)

     if len(args) != 2:
         logging.error("Wrong number of arguments, exiting\n")
         parser.print_help()
         sys.exit(1)

     yocto_kernel_feature_destroy(scripts_path, args[0], args[1])


 subcommands = {
     "config-list": [yocto_kernel_config_list_subcommand,
                     yocto_kernel_config_list_usage,
                     yocto_kernel_config_list_help],
     "config-add": [yocto_kernel_config_add_subcommand,
                    yocto_kernel_config_add_usage,
                    yocto_kernel_config_add_help],
     "config-rm": [yocto_kernel_config_rm_subcommand,
                   yocto_kernel_config_rm_usage,
                   yocto_kernel_config_rm_help],
     "patch-list": [yocto_kernel_patch_list_subcommand,
                    yocto_kernel_patch_list_usage,
                    yocto_kernel_patch_list_help],
     "patch-add": [yocto_kernel_patch_add_subcommand,
                   yocto_kernel_patch_add_usage,
                   yocto_kernel_patch_add_help],
     "patch-rm": [yocto_kernel_patch_rm_subcommand,
                  yocto_kernel_patch_rm_usage,
                  yocto_kernel_patch_rm_help],
     "feature-list": [yocto_kernel_feature_list_subcommand,
                    yocto_kernel_feature_list_usage,
                    yocto_kernel_feature_list_help],
     "feature-add": [yocto_kernel_feature_add_subcommand,
                   yocto_kernel_feature_add_usage,
                   yocto_kernel_feature_add_help],
     "feature-rm": [yocto_kernel_feature_rm_subcommand,
                  yocto_kernel_feature_rm_usage,
                  yocto_kernel_feature_rm_help],
     "features-list": [yocto_kernel_available_features_list_subcommand,
                  yocto_kernel_available_features_list_usage,
                  yocto_kernel_available_features_list_help],
     "feature-describe": [yocto_kernel_feature_describe_subcommand,
                  yocto_kernel_feature_describe_usage,
                  yocto_kernel_feature_describe_help],
     "feature-create": [yocto_kernel_feature_create_subcommand,
                  yocto_kernel_feature_create_usage,
                  yocto_kernel_feature_create_help],
     "feature-destroy": [yocto_kernel_feature_destroy_subcommand,
                  yocto_kernel_feature_destroy_usage,
                  yocto_kernel_feature_destroy_help],
 }


 def start_logging(loglevel):
     logging.basicConfig(filname = 'yocto-kernel.log', filemode = 'w', level=loglevel)


 def main():
     parser = optparse.OptionParser(version = "yocto-kernel version %s" % __version__,
                                    usage = yocto_kernel_usage)

     parser.disable_interspersed_args()
     parser.add_option("-D", "--debug", dest = "debug", action = "store_true",
                       default = False, help = "output debug information")

     (options, args) = parser.parse_args()

     loglevel = logging.INFO
     if options.debug:
         loglevel = logging.DEBUG
     start_logging(loglevel)

     if len(args):
         if args[0] == "help":
             if len(args) == 1:
                 parser.print_help()
                 sys.exit(1)
             sc = 1
         else:
             sc = 0

         if args[sc] == "config" or args[sc] == "patch" or \
                 args[sc] == "feature" or args[sc] == "features":
             if len(args) < 2 + sc:
                 parser.print_help()
                 sys.exit(1)
             args[sc] += "-" + args[sc + 1]
             args.pop(sc + 1)

     invoke_subcommand(args, parser, yocto_kernel_help_usage, subcommands)


 if __name__ == "__main__":
     try:
         ret = main()
     except Exception:
         ret = 1
         import traceback
         traceback.print_exc(5)
     sys.exit(ret)
	#!/usr/bin/env python
	# ex:ts=4:sw=4:sts=4:et
	# -- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil --
	#
	# Copyright (c) 2012, Intel Corporation.
	# All rights reserved.
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License version 2 as
	# published by the Free Software Foundation.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License along
	# with this program; if not, write to the Free Software Foundation, Inc.,
	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	#
	# DESCRIPTION
	# 'yocto-kernel' is the Yocto BSP Tool that helps users manage kernel
	# config options and patches for a Yocto BSP. Invoking it without any
	# arguments will display help screens for the 'yocto-kernel' command
	# and list the available 'yocto-kernel' subcommands. Invoking a
	# subcommand without any arguments will likewise display help screens
	# for the specified subcommand. Please use that interface for
	# detailed help.
	#
	# AUTHORS
	# Tom Zanussi <tom.zanussi (at] intel.com>
	#

	__version__ = "0.1.0"

	import os
	import sys
	import optparse
	import logging

	scripts_path = os.path.abspath(os.path.dirname(os.path.abspath(sys.argv[0])))
	lib_path = scripts_path + '/lib'
	sys.path = sys.path + [lib_path]

	from bsp.help import *
	from bsp.kernel import *


	def yocto_kernel_config_list_subcommand(args, usage_str):
	"""
	Command-line handling for listing BSP config options. The
	real work is done by bsp.kernel.yocto_kernel_config_list().
	"""
	logging.debug("yocto_kernel_config_list_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_config_list(scripts_path, args[0])


	def yocto_kernel_config_add_subcommand(args, usage_str):
	"""
	Command-line handling for adding BSP config items. The real work
	is done by bsp.kernel.yocto_kernel_config_add().
	"""
	logging.debug("yocto_kernel_config_add_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) < 2:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	machine = args.pop(0)
	yocto_kernel_config_add(scripts_path, machine, args)


	def yocto_kernel_config_rm_subcommand(args, usage_str):
	"""
	Command-line handling for removing BSP config items. The real
	work is done by bsp.kernel.yocto_kernel_config_rm().
	"""
	logging.debug("yocto_kernel_config_rm_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_config_rm(scripts_path, args[0])


	def yocto_kernel_patch_list_subcommand(args, usage_str):
	"""
	Command-line handling for listing BSP (SRC_URI patches. The real
	work is done by bsp.kernel.yocto_kernel_patch_list().
	"""
	logging.debug("yocto_kernel_patch_list_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_patch_list(scripts_path, args[0])


	def yocto_kernel_patch_add_subcommand(args, usage_str):
	"""
	Command-line handling for adding BSP patches. The real work is
	done by bsp.kernel.yocto_kernel_patch_add().
	"""
	logging.debug("yocto_kernel_patch_add_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) < 2:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	machine = args.pop(0)
	yocto_kernel_patch_add(scripts_path, machine, args)


	def yocto_kernel_patch_rm_subcommand(args, usage_str):
	"""
	Command-line handling for removing BSP patches. The real work is
	done by bsp.kernel.yocto_kernel_patch_rm().
	"""
	logging.debug("yocto_kernel_patch_rm_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_patch_rm(scripts_path, args[0])


	def yocto_kernel_feature_list_subcommand(args, usage_str):
	"""
	Command-line handling for listing the BSP features that are being
	used by the BSP. The real work is done by
	bsp.kernel.yocto_kernel_feature_list().
	"""
	logging.debug("yocto_kernel_feature_list_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_feature_list(scripts_path, args[0])


	def yocto_kernel_feature_add_subcommand(args, usage_str):
	"""
	Command-line handling for adding the use of kernel features to a
	BSP. The real work is done by bsp.kernel.yocto_kernel_feature_add().
	"""
	logging.debug("yocto_kernel_feature_add_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) < 2:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	machine = args.pop(0)
	yocto_kernel_feature_add(scripts_path, machine, args)


	def yocto_kernel_feature_rm_subcommand(args, usage_str):
	"""
	Command-line handling for removing the use of kernel features from
	a BSP. The real work is done by bsp.kernel.yocto_kernel_feature_rm().
	"""
	logging.debug("yocto_kernel_feature_rm_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_feature_rm(scripts_path, args[0])


	def yocto_kernel_available_features_list_subcommand(args, usage_str):
	"""
	Command-line handling for listing all the kernel features
	available for use in a BSP. This includes the features present in
	the meta branch(es) of the pointed-to repo(s) as well as the local
	features added in recipe-space to the current BSP as well. The
	real work is done by bsp.kernel.yocto_kernel_available_features_list().
	"""
	logging.debug("yocto_kernel_feature_available_features_list_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 1:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_available_features_list(scripts_path, args[0])


	def yocto_kernel_feature_describe_subcommand(args, usage_str):
	"""
	Command-line handling for listing the description of a specific
	kernel feature available for use in a BSP. This includes the
	features present in the meta branch(es) of the pointed-to repo(s)
	as well as the local features added in recipe-space to the current
	BSP as well. The real work is done by
	bsp.kernel.yocto_kernel_feature_describe().
	"""
	logging.debug("yocto_kernel_feature_describe_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 2:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_feature_describe(scripts_path, args[0], args[1])


	def yocto_kernel_feature_create_subcommand(args, usage_str):
	"""
	Command-line handling for creating a recipe-space kernel feature
	in a BSP. The real work is done by
	bsp.kernel.yocto_kernel_feature_create().
	"""
	logging.debug("yocto_kernel_feature_create_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) < 4:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	machine = args.pop(0)
	yocto_kernel_feature_create(scripts_path, machine, args)


	def yocto_kernel_feature_destroy_subcommand(args, usage_str):
	"""
	Command-line handling for removing a recipe-space kernel feature
	from a BSP. The real work is done by
	bsp.kernel.yocto_kernel_feature_destroy().
	"""
	logging.debug("yocto_kernel_feature_destroy_subcommand")

	parser = optparse.OptionParser(usage = usage_str)

	(options, args) = parser.parse_args(args)

	if len(args) != 2:
	logging.error("Wrong number of arguments, exiting\n")
	parser.print_help()
	sys.exit(1)

	yocto_kernel_feature_destroy(scripts_path, args[0], args[1])


	subcommands = {
	"config-list": [yocto_kernel_config_list_subcommand,
	yocto_kernel_config_list_usage,
	yocto_kernel_config_list_help],
	"config-add": [yocto_kernel_config_add_subcommand,
	yocto_kernel_config_add_usage,
	yocto_kernel_config_add_help],
	"config-rm": [yocto_kernel_config_rm_subcommand,
	yocto_kernel_config_rm_usage,
	yocto_kernel_config_rm_help],
	"patch-list": [yocto_kernel_patch_list_subcommand,
	yocto_kernel_patch_list_usage,
	yocto_kernel_patch_list_help],
	"patch-add": [yocto_kernel_patch_add_subcommand,
	yocto_kernel_patch_add_usage,
	yocto_kernel_patch_add_help],
	"patch-rm": [yocto_kernel_patch_rm_subcommand,
	yocto_kernel_patch_rm_usage,
	yocto_kernel_patch_rm_help],
	"feature-list": [yocto_kernel_feature_list_subcommand,
	yocto_kernel_feature_list_usage,
	yocto_kernel_feature_list_help],
	"feature-add": [yocto_kernel_feature_add_subcommand,
	yocto_kernel_feature_add_usage,
	yocto_kernel_feature_add_help],
	"feature-rm": [yocto_kernel_feature_rm_subcommand,
	yocto_kernel_feature_rm_usage,
	yocto_kernel_feature_rm_help],
	"features-list": [yocto_kernel_available_features_list_subcommand,
	yocto_kernel_available_features_list_usage,
	yocto_kernel_available_features_list_help],
	"feature-describe": [yocto_kernel_feature_describe_subcommand,
	yocto_kernel_feature_describe_usage,
	yocto_kernel_feature_describe_help],
	"feature-create": [yocto_kernel_feature_create_subcommand,
	yocto_kernel_feature_create_usage,
	yocto_kernel_feature_create_help],
	"feature-destroy": [yocto_kernel_feature_destroy_subcommand,
	yocto_kernel_feature_destroy_usage,
	yocto_kernel_feature_destroy_help],
	}


	def start_logging(loglevel):
	logging.basicConfig(filname = 'yocto-kernel.log', filemode = 'w', level=loglevel)


	def main():
	parser = optparse.OptionParser(version = "yocto-kernel version %s" % __version__,
	usage = yocto_kernel_usage)

	parser.disable_interspersed_args()
	parser.add_option("-D", "--debug", dest = "debug", action = "store_true",
	default = False, help = "output debug information")

	(options, args) = parser.parse_args()

	loglevel = logging.INFO
	if options.debug:
	loglevel = logging.DEBUG
	start_logging(loglevel)

	if len(args):
	if args[0] == "help":
	if len(args) == 1:
	parser.print_help()
	sys.exit(1)
	sc = 1
	else:
	sc = 0

	if args[sc] == "config" or args[sc] == "patch" or \
	args[sc] == "feature" or args[sc] == "features":
	if len(args) < 2 + sc:
	parser.print_help()
	sys.exit(1)
	args[sc] += "-" + args[sc + 1]
	args.pop(sc + 1)

	invoke_subcommand(args, parser, yocto_kernel_help_usage, subcommands)


	if __name__ == "__main__":
	try:
	ret = main()
	except Exception:
	ret = 1
	import traceback
	traceback.print_exc(5)
	sys.exit(ret)