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authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-03-01 13:54:16 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-03-09 16:00:16 +0000
commit89db37c85ac0d0035dbeb9643d7802ca28681e76 (patch)
treec2afd76ff20db0e834cb0846c394c66c86531cf8
parentb49e5af8c6ef0abaabce36e5e7d8ddc399e02f53 (diff)
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wic: rawcopy: support skipping
Add support for skipping the beginning of a file with the rawcopy plugin. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--scripts/lib/wic/plugins/source/rawcopy.py11
1 files changed, 9 insertions, 2 deletions
diff --git a/scripts/lib/wic/plugins/source/rawcopy.py b/scripts/lib/wic/plugins/source/rawcopy.py
index b3b55fa..cf6236a 100644
--- a/scripts/lib/wic/plugins/source/rawcopy.py
+++ b/scripts/lib/wic/plugins/source/rawcopy.py
@@ -64,14 +64,21 @@ class RawCopyPlugin(SourcePlugin):
return
src = os.path.join(bootimg_dir, source_params['file'])
+ dst = src
+
+ if ('skip' in source_params):
+ dst = os.path.join(cr_workdir, source_params['file'])
+ dd_cmd = "dd if=%s of=%s ibs=%s skip=1 conv=notrunc" % \
+ (src, dst, source_params['skip'])
+ exec_cmd(dd_cmd)
# get the size in the right units for kickstart (kB)
- du_cmd = "du -Lbks %s" % src
+ du_cmd = "du -Lbks %s" % dst
out = exec_cmd(du_cmd)
filesize = out.split()[0]
if filesize > part.size:
part.size = filesize
- part.source_file = src
+ part.source_file = dst