diff options
Diffstat (limited to 'yocto-poky/scripts/lib/recipetool/newappend.py')
-rw-r--r-- | yocto-poky/scripts/lib/recipetool/newappend.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/yocto-poky/scripts/lib/recipetool/newappend.py b/yocto-poky/scripts/lib/recipetool/newappend.py new file mode 100644 index 000000000..77b74cb73 --- /dev/null +++ b/yocto-poky/scripts/lib/recipetool/newappend.py @@ -0,0 +1,111 @@ +# Recipe creation tool - newappend plugin +# +# This sub-command creates a bbappend for the specified target and prints the +# path to the bbappend. +# +# Example: recipetool newappend meta-mylayer busybox +# +# Copyright (C) 2015 Christopher Larson <kergoth@gmail.com> +# +# 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. + +import argparse +import errno +import logging +import os +import re +import sys + + +logger = logging.getLogger('recipetool') +tinfoil = None + + +def plugin_init(pluginlist): + # Don't need to do anything here right now, but plugins must have this function defined + pass + + +def tinfoil_init(instance): + global tinfoil + tinfoil = instance + + +def _provide_to_pn(cooker, provide): + """Get the name of the preferred recipe for the specified provide.""" + import bb.providers + filenames = cooker.recipecache.providers[provide] + eligible, foundUnique = bb.providers.filterProviders(filenames, provide, cooker.expanded_data, cooker.recipecache) + filename = eligible[0] + pn = cooker.recipecache.pkg_fn[filename] + return pn + + +def _get_recipe_file(cooker, pn): + import oe.recipeutils + recipefile = oe.recipeutils.pn_to_recipe(cooker, pn) + if not recipefile: + skipreasons = oe.recipeutils.get_unavailable_reasons(cooker, pn) + if skipreasons: + logger.error('\n'.join(skipreasons)) + else: + logger.error("Unable to find any recipe file matching %s" % pn) + return recipefile + + +def layer(layerpath): + if not os.path.exists(os.path.join(layerpath, 'conf', 'layer.conf')): + raise argparse.ArgumentTypeError('{0!r} must be a path to a valid layer'.format(layerpath)) + return layerpath + + +def newappend(args): + import oe.recipeutils + + pn = _provide_to_pn(tinfoil.cooker, args.target) + recipe_path = _get_recipe_file(tinfoil.cooker, pn) + + rd = tinfoil.config_data.createCopy() + rd.setVar('FILE', recipe_path) + append_path, path_ok = oe.recipeutils.get_bbappend_path(rd, args.destlayer, args.wildcard_version) + if not append_path: + logger.error('Unable to determine layer directory containing %s', recipe_path) + return 1 + + if not path_ok: + logger.warn('Unable to determine correct subdirectory path for bbappend file - check that what %s adds to BBFILES also matches .bbappend files. Using %s for now, but until you fix this the bbappend will not be applied.', os.path.join(destlayerdir, 'conf', 'layer.conf'), os.path.dirname(appendpath)) + + layerdirs = [os.path.abspath(layerdir) for layerdir in rd.getVar('BBLAYERS', True).split()] + if not os.path.abspath(args.destlayer) in layerdirs: + logger.warn('Specified layer is not currently enabled in bblayers.conf, you will need to add it before this bbappend will be active') + + if not os.path.exists(append_path): + bb.utils.mkdirhier(os.path.dirname(append_path)) + + try: + open(append_path, 'a') + except (OSError, IOError) as exc: + logger.critical(str(exc)) + return 1 + + print(append_path) + + +def register_command(subparsers): + parser = subparsers.add_parser('newappend', + help='Create a bbappend for the specified target in the specified layer') + parser.add_argument('-w', '--wildcard-version', help='Use wildcard to make the bbappend apply to any recipe version', action='store_true') + parser.add_argument('destlayer', help='Base directory of the destination layer to write the bbappend to', type=layer) + parser.add_argument('target', help='Target recipe/provide to append') + parser.set_defaults(func=newappend, parserecipes=True) |