Add a script to generate various build variants

AndroidProducts.mk

@@ -1,2 +0,0 @@
-PRODUCT_MAKEFILES := \
-    $(LOCAL_DIR)/treble_arm64_ag.mk

base.mk

@@ -11,3 +11,5 @@ BOARD_PLAT_PRIVATE_SEPOLICY_DIR += device/phh/treble/sepolicy
 DEVICE_PACKAGE_OVERLAYS += device/phh/treble/overlay
 
 $(call inherit-product, vendor/hardware_overlay/overlay.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)

generate.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+echo 'PRODUCT_MAKEFILES := \' > AndroidProducts.mk
+
+for part in a ab;do
+	for apps in vanilla gapps foss;do
+		for arch in arm64;do
+			apps_suffix=""
+			apps_script=""
+			apps_name=""
+			if [ "$apps" == "gapps" ];then
+				apps_suffix="g"
+				apps_script='$(call inherit-product, device/phh/treble/gapps.mk)'
+				apps_name="with GApps"
+			fi
+			if [ "$apps" == "foss" ];then
+				apps_suffix="f"
+				apps_script='$(call inherit-product, vendor/foss/foss.mk)'
+				apps_name="with FOSS apps"
+			fi
+			if [ "$apps" == "vanilla" ];then
+				apps_suffix="v"
+				apps_script=''
+				apps_name="vanilla"
+			fi
+
+			target="treble_${arch}_${part}${apps_suffix}"
+
+			cat > ${target}.mk << EOF
+include build/make/target/product/treble_common.mk
+\$(call inherit-product, device/phh/treble/base.mk)
+$apps_script
+
+PRODUCT_NAME := $target
+PRODUCT_DEVICE := generic_arm64_$part
+PRODUCT_BRAND := Android
+PRODUCT_MODEL := Phh-Treble $apps_name
+EOF
+echo -e '\t$(LOCAL_DIR)/'$target.mk '\' >> AndroidProducts.mk
+		done
+	done
+done
+echo >> AndroidProducts.mk

treble_arm64_ag.mk

@@ -1,15 +0,0 @@
-include build/make/target/product/treble_common.mk
-
-#Need to be called first to be able to override later rules,
-#but after treble_common which would override PRODUCT_PACKAGES
-$(call inherit-product, device/phh/treble/base.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
-
-$(call inherit-product, vendor/hardware_overlay/overlay.mk)
-$(call inherit-product, device/phh/treble/gapps.mk)
-
-PRODUCT_NAME := treble_arm64_ag
-PRODUCT_DEVICE := generic_arm64_a
-PRODUCT_BRAND := Android
-PRODUCT_MODEL := Phh-Treble