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Commit a618737e authored by Michael Bestas's avatar Michael Bestas
Browse files

Conditionally use Unix epoch time for build incremental 

Incremental version is used in various places to invalidate caches.
Setting BUILD_NUMBER directly causes unnecessary rebuilds due to
environment variable changes, so simply set it to Unix epoch unless
BUILD_NUMBER is explicitly set.

Change-Id: Id590df48ae1b73b63039f185644103d66a4bbbb3
parent cbbde02c

core/sysprop.mk

+5 −1
Original line number Diff line number Diff line
@@ -74,7 +74,11 @@ define generate-common-build-props 
    echo "ro.$(1).build.id?=$(BUILD_ID)" >> $(2);\

    echo "ro.$(1).build.tags?=$(BUILD_VERSION_TAGS)" >> $(2);\

    echo "ro.$(1).build.type=$(TARGET_BUILD_VARIANT)" >> $(2);\

    if [[ $(BUILD_NUMBER_FROM_FILE) =~ ^eng\. ]]; then \

        echo "ro.$(1).build.version.incremental=`$(DATE_FROM_FILE) +%s`" >> $(2);\

    else \

        echo "ro.$(1).build.version.incremental=$(BUILD_NUMBER_FROM_FILE)" >> $(2);\

    fi; \

    echo "ro.$(1).build.version.release=$(PLATFORM_VERSION_LAST_STABLE)" >> $(2);\

    echo "ro.$(1).build.version.release_or_codename=$(PLATFORM_VERSION)" >> $(2);\

    echo "ro.$(1).build.version.sdk=$(PLATFORM_SDK_VERSION)" >> $(2);\