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wic: 'wic cp' to copy from image

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currently 'wic cp' only works for copy file from local storage to
wic image.

enhance 'wic cp' to copy file/directory from wic image to local storage.

include selftest and 'wic help' updates.

[YOCTO#12169]

(From OE-Core rev: bd669c1809a378f93580eb9e0679a26ec6746cb8)

Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chee Yang Lee
2019-11-21 14:28:52 +08:00
committed by Richard Purdie
parent 4d6a9708e6
commit 89288705c6
4 changed files with 76 additions and 21 deletions
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scripts/lib/wic/engine.py
+27 -8
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@@ -323,16 +323,31 @@ class Disk:
self._get_part_image(pnum),
path))
def copy(self, src, pnum, path):
def copy(self, src, dest):
"""Copy partition image into wic image."""
pnum = dest.part if isinstance(src, str) else src.part
if self.partitions[pnum].fstype.startswith('ext'):
cmd = "printf 'cd {}\nwrite {} {}\n' | {} -w {}".\
format(path, src, os.path.basename(src),
if isinstance(src, str):
cmd = "printf 'cd {}\nwrite {} {}\n' | {} -w {}".\
format(os.path.dirname(dest.path), src, os.path.basename(src),
self.debugfs, self._get_part_image(pnum))
else: # copy from wic
# run both dump and rdump to support both files and directory
cmd = "printf 'cd {}\ndump /{} {}\nrdump /{} {}\n' | {} {}".\
format(os.path.dirname(src.path), src.path,
dest, src.path, dest, self.debugfs,
self._get_part_image(pnum))
else: # fat
cmd = "{} -i {} -snop {} ::{}".format(self.mcopy,
if isinstance(src, str):
cmd = "{} -i {} -snop {} ::{}".format(self.mcopy,
self._get_part_image(pnum),
src, path)
src, dest.path)
else:
cmd = "{} -i {} -snop ::{} {}".format(self.mcopy,
self._get_part_image(pnum),
src.path, dest)
exec_cmd(cmd, as_shell=True)
self._put_part_image(pnum)
@@ -551,11 +566,15 @@ def wic_ls(args, native_sysroot):
def wic_cp(args, native_sysroot):
"""
Copy local file or directory to the vfat partition of
Copy file or directory to/from the vfat/ext partition of
partitioned image.
"""
disk = Disk(args.dest.image, native_sysroot)
disk.copy(args.src, args.dest.part, args.dest.path)
if isinstance(args.dest, str):
disk = Disk(args.src.image, native_sysroot)
else:
disk = Disk(args.dest.image, native_sysroot)
disk.copy(args.src, args.dest)
def wic_rm(args, native_sysroot):
"""