isoimage-isohybrid: Fix creating initrd.cpio

Only bsdcpio works with numbers for option -R to specify user:group,
while GNU cpio doesn't. Debian use GNU cpio so without this change,
you cannot create ISO images without installing bsdcpio.

(From OE-Core rev: 7c6ba368006ca94ecc0daac7b1c5e0fbe4236daf)

Signed-off-by: Alexandru Vasiu <alexandru.vasiu@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
index 0d4f50d1f7..4a0a57ef9e 100644
--- a/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
+++ b/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
@@ -191,7 +191,7 @@ class IsoImagePlugin(SourcePlugin):
             else:
                 raise WicError("Couldn't find or build initrd, exiting.")
 
-            exec_cmd("cd %s && find . | cpio -o -H newc -R +0:+0 >./initrd.cpio " \
+            exec_cmd("cd %s && find . | cpio -o -H newc -R root:root >./initrd.cpio " \
                     % initrd_dir, as_shell=True)
             exec_cmd("gzip -f -9 -c %s/initrd.cpio > %s" \
                     % (cr_workdir, initrd), as_shell=True)