diff options
Diffstat (limited to 'poky/scripts/lib/wic/plugins/source/rawcopy.py')
-rw-r--r-- | poky/scripts/lib/wic/plugins/source/rawcopy.py | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/poky/scripts/lib/wic/plugins/source/rawcopy.py b/poky/scripts/lib/wic/plugins/source/rawcopy.py new file mode 100644 index 000000000..e86398ac8 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/rawcopy.py @@ -0,0 +1,91 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# 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 logging +import os + +from wic import WicError +from wic.pluginbase import SourcePlugin +from wic.misc import exec_cmd, get_bitbake_var +from wic.filemap import sparse_copy + +logger = logging.getLogger('wic') + +class RawCopyPlugin(SourcePlugin): + """ + Populate partition content from raw image file. + """ + + name = 'rawcopy' + + @staticmethod + def do_image_label(fstype, dst, label): + if fstype.startswith('ext'): + cmd = 'tune2fs -L %s %s' % (label, dst) + elif fstype in ('msdos', 'vfat'): + cmd = 'dosfslabel %s %s' % (dst, label) + elif fstype == 'btrfs': + cmd = 'btrfs filesystem label %s %s' % (dst, label) + elif fstype == 'swap': + cmd = 'mkswap -L %s %s' % (label, dst) + elif fstype == 'squashfs': + raise WicError("It's not possible to update a squashfs " + "filesystem label '%s'" % (label)) + else: + raise WicError("Cannot update filesystem label: " + "Unknown fstype: '%s'" % (fstype)) + + exec_cmd(cmd) + + @classmethod + def do_prepare_partition(cls, part, source_params, cr, cr_workdir, + oe_builddir, bootimg_dir, kernel_dir, + rootfs_dir, native_sysroot): + """ + Called to do the actual content population for a partition i.e. it + 'prepares' the partition to be incorporated into the image. + """ + if not kernel_dir: + kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") + if not kernel_dir: + raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting") + + logger.debug('Kernel dir: %s', kernel_dir) + + if 'file' not in source_params: + raise WicError("No file specified") + + src = os.path.join(kernel_dir, source_params['file']) + dst = os.path.join(cr_workdir, "%s.%s" % (source_params['file'], part.lineno)) + + if 'skip' in source_params: + sparse_copy(src, dst, skip=int(source_params['skip'])) + else: + sparse_copy(src, dst) + + # get the size in the right units for kickstart (kB) + du_cmd = "du -Lbks %s" % dst + out = exec_cmd(du_cmd) + filesize = int(out.split()[0]) + + if filesize > part.size: + part.size = filesize + + if part.label: + RawCopyPlugin.do_image_label(part.fstype, dst, part.label) + + part.source_file = dst |