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AU: Provide an option for forcing full or delta kernel update.

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BUG=7705
TEST=tried generating updates with and without the option

Change-Id: I45fccece0aa37c92e63427ea8f86e208f24253eb

Review URL: http://codereview.chromium.org/3782005
This commit is contained in:
Darin Petkov 2010-10-14 09:25:21 -07:00
parent 74eee7ad20
commit 9bdd04b730
1 changed files with 15 additions and 9 deletions
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24
cros_generate_update_payload
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@ -61,7 +61,7 @@ extract_partition_to_temp_file() {
temp_file=$(mktemp /tmp/cros_generate_update_payload.XXXXXX)
echo "$temp_file"
fi
local offset=$(partoffset "${filename}" ${partition}) # 512-byte sectors
local length=$(partsize "${filename}" ${partition}) # 512-byte sectors
local bs=512
@ -99,14 +99,14 @@ extract_kern_root() {
local bin_file="$1"
local kern_out="$2"
local root_out="$3"
if [ -z "$kern_out" ]; then
die "missing kernel output filename"
fi
if [ -z "$root_out" ]; then
die "missing root output filename"
fi
extract_partition_to_temp_file "$bin_file" 2 "$kern_out"
if [ "$FLAGS_patch_kernel" -eq "$FLAGS_TRUE" ]; then
patch_kernel "$bin_file" "$kern_out"
@ -124,6 +124,8 @@ with the patch from the stateful partition (default: false)"
DEFINE_string private_key "" "Path to private key in .pem format."
DEFINE_boolean extract "$FLAGS_FALSE" "If set, extract old/new kernel/rootfs \
to [old|new]_[kern|root].dat. Useful for debugging (default: false)"
DEFINE_boolean full_kernel "$FLAGS_FALSE" "Generate a full kernel update even \
if generating a delta update (default: false)"
# Parse command line
FLAGS "$@" || exit 1
@ -171,14 +173,18 @@ if [ "$DELTA" -eq "$FLAGS_TRUE" -o "$FLAGS_old_style" -eq "$FLAGS_FALSE" ]; then
trap cleanup INT TERM EXIT
if [ "$DELTA" -eq "$FLAGS_TRUE" ]; then
SRC_KERNEL=$(extract_partition_to_temp_file "$FLAGS_src_image" 2)
if [ "$FLAGS_patch_kernel" -eq "$FLAGS_TRUE" ]; then
patch_kernel "$FLAGS_src_image" "$SRC_KERNEL"
if [ "$FLAGS_full_kernel" -eq "$FLAGS_FALSE" ]; then
SRC_KERNEL=$(extract_partition_to_temp_file "$FLAGS_src_image" 2)
if [ "$FLAGS_patch_kernel" -eq "$FLAGS_TRUE" ]; then
patch_kernel "$FLAGS_src_image" "$SRC_KERNEL"
fi
echo md5sum of src kernel:
md5sum "$SRC_KERNEL"
else
echo "Generating a full kernel update."
fi
SRC_ROOT=$(extract_partition_to_temp_file "$FLAGS_src_image" 3)
echo md5sum of src kernel:
md5sum "$SRC_KERNEL"
echo md5sum of src root:
md5sum "$SRC_ROOT"
fi
@ -208,7 +214,7 @@ if [ "$DELTA" -eq "$FLAGS_TRUE" -o "$FLAGS_old_style" -eq "$FLAGS_FALSE" ]; then
trap - INT TERM EXIT
cleanup noexit
if [ "$DELTA" -eq "$FLAGS_TRUE" ]; then
echo "Done generating delta."
else