From d77b1a23b87813edb3133d314760249e1873cdf8 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Mon, 5 Apr 2021 23:00:41 -0400
Subject: [PATCH] Allow setting OTA public keys from environment variable

Change-Id: Id2338b2d30f7c477583a34f4171d37b70f0a6e92
---
 core/Makefile          | 4 ++++
 core/product_config.mk | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/core/Makefile b/core/Makefile
index 404bb5413..bd23c8be3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1413,6 +1413,10 @@ endif
 # substitute other keys for this one.
 OTA_PUBLIC_KEYS := $(DEFAULT_SYSTEM_DEV_CERTIFICATE).x509.pem
 
+ifneq ($(OTA_KEY_OVERRIDE_DIR),)
+    OTA_PUBLIC_KEYS := $(OTA_KEY_OVERRIDE_DIR)/releasekey.x509.pem
+endif
+
 # Generate a file containing the keys that will be read by the
 # recovery binary.
 RECOVERY_INSTALL_OTA_KEYS := \
diff --git a/core/product_config.mk b/core/product_config.mk
index 2c3f21f1d..a300efbcf 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -399,6 +399,11 @@ PRODUCT_OTA_PUBLIC_KEYS := $(sort \
 PRODUCT_EXTRA_RECOVERY_KEYS := $(sort \
     $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_EXTRA_RECOVERY_KEYS))
 
+ifneq ($(OTA_KEY_OVERRIDE_DIR),)
+    PRODUCT_OTA_PUBLIC_KEYS := $(OTA_KEY_OVERRIDE_DIR)/releasekey.x509.pem
+    PRODUCT_EXTRA_RECOVERY_KEYS := $(OTA_KEY_OVERRIDE_DIR)/extra
+endif
+
 PRODUCT_DEX_PREOPT_DEFAULT_COMPILER_FILTER := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_DEFAULT_COMPILER_FILTER))
 PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := \
-- 
2.30.2