[OE-core] [master][pyro][PATCH] image-vm: Avoid use of fold, tac and paste commands for DISK_SIGNATURE
Jonathan Liu
net147 at gmail.com
Thu Jun 8 11:07:54 UTC 2017
These commands are not whitelisted by the HOSTTOOLS variable which
silently prevents the MBR disk signature from being written to the
image.
Reported-by: Michael Davis <michael.davis at essvote.com>
Signed-off-by: Jonathan Liu <net147 at gmail.com>
---
meta/classes/image-vm.bbclass | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
index 35c9244e9b..98bd92000e 100644
--- a/meta/classes/image-vm.bbclass
+++ b/meta/classes/image-vm.bbclass
@@ -93,7 +93,7 @@ build_boot_dd() {
parted $IMAGE print
- awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | fold -w 2 | tac | paste -sd '' | sed 's/\(..\)/\\x&/g')\" }" | \
+ awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | sed 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/')\" }" | \
dd of=$IMAGE bs=1 seek=440 conv=notrunc
OFFSET=`expr $END2 / 512`
--
2.12.2
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