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Commit 025099c4 authored by Daniel Zheng's avatar Daniel Zheng
Browse files

Adding Build time flag to specify Cow Version 

Adding in build time flag for specifying cow version, in preparation to
add new cow version in libsnapshot

Test: m -> cat misc-info.txt
Bug: 279954153
Change-Id: I148d4e7cdd669496c91213889787172ffd83a5ab
parent e05a15bf

core/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -5763,6 +5763,8 @@ define dump-dynamic-partitions-info 
    echo "virtual_ab_compression_method=$(PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD)" >> $(1))

  $(if $(filter true,$(PRODUCT_VIRTUAL_AB_OTA_RETROFIT)), \

    echo "virtual_ab_retrofit=true" >> $(1))

  $(if $(PRODUCT_VIRTUAL_AB_COW_VERSION), \

    echo "virtual_ab_cow_version=$(PRODUCT_VIRTUAL_AB_COW_VERSION)" >> $(1))

endef



# By conditionally including the dependency of the target files package on the

core/product.mk

+4 −0
Original line number Diff line number Diff line
@@ -401,6 +401,10 @@ _product_list_vars += PRODUCT_VENDOR_LINKER_CONFIG_FRAGMENTS 
#   supports it

_product_single_value_vars += PRODUCT_ENABLE_UFFD_GC



# Specifies COW version to be used by update_engine and libsnapshot. If this value is not

# specified we default to COW version 2 in update_engine for backwards compatibility

_product_single_value_vars += PRODUCT_VIRTUAL_AB_COW_VERSION



_product_list_vars += PRODUCT_AFDO_PROFILES



.KATI_READONLY := _product_single_value_vars _product_list_vars

target/product/virtual_ab_ota/android_t_baseline.mk

+2 −0
Original line number Diff line number Diff line
@@ -20,3 +20,5 @@ 
#

# All U+ launching devices should instead use vabc_features.mk.

$(call inherit-product, $(SRC_TARGET_DIR)/product/virtual_ab_ota/vabc_features.mk)



PRODUCT_VIRTUAL_AB_COW_VERSION := 2