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feat(build_library): put all of the partition stuff behind a flag

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this lays the groundwork for supporting a cpio img which doesn't have
partitions.
This commit is contained in:
Brandon Philips 2013-08-21 21:30:29 -07:00
parent 5bb8e6a789
commit 047e3e0df1
1 changed files with 18 additions and 11 deletions
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29
build_library/vm_image_util.sh
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@ -36,6 +36,9 @@ VM_GENERATED_FILES=()
# If set to 1 use a hybrid GPT/MBR format instead of plain GPT
IMG_DEFAULT_HYBRID_MBR=0
# If set to 0 then a partition skeleton won't be laid out on VM_TMP_IMG
IMG_DEFAULT_PARTITIONED_IMG=1
# If set install the given package name to the OEM partition
IMG_DEFAULT_OEM_PACKAGE=
@ -180,8 +183,10 @@ unpack_source_disk() {
cp --sparse=always "${alternate_state_image}" "${TEMP_STATE}"
fi
info "Initializing new partition table..."
write_partition_table "${disk_layout}" "${VM_TMP_IMG}"
if [[ $(_get_vm_opt PARTITIONED_IMG) -eq 1 ]]; then
info "Initializing new partition table..."
write_partition_table "${disk_layout}" "${VM_TMP_IMG}"
fi
}
resize_state_partition() {
@ -222,15 +227,17 @@ install_oem_package() {
# Write the vm disk image to the target directory in the proper format
write_vm_disk() {
info "Writing partitions to new disk image"
dd if="${TEMP_ROOTFS}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_ROOTFS_A})
dd if="${TEMP_STATE}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_STATEFUL})
dd if="${TEMP_ESP}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_ESP})
dd if="${TEMP_OEM}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_OEM})
if [[ $(_get_vm_opt PARTITIONED_IMG) -eq 1 ]]; then
info "Writing partitions to new disk image"
dd if="${TEMP_ROOTFS}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_ROOTFS_A})
dd if="${TEMP_STATE}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_STATEFUL})
dd if="${TEMP_ESP}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_ESP})
dd if="${TEMP_OEM}" of="${VM_TMP_IMG}" conv=notrunc,sparse \
bs=512 seek=$(partoffset ${VM_TMP_IMG} ${NUM_OEM})
fi
if [[ $(_get_vm_opt HYBRID_MBR) -eq 1 ]]; then
info "Creating hybrid MBR"