[2.0] Passed Azure config to toolkit build env.

Author: PawelWMS

toolkit/Makefile

@@ -193,6 +193,9 @@ all: toolchain go-tools chroot-tools
 # its help will be displayed at the top of the help output.
 include $(SCRIPTS_DIR)/help.mk
 
+# Set-up the Azure configuration for the build
+include $(SCRIPTS_DIR)/azure_config.mk
+
 # Misc function defines
 # Variable prerequisite tracking
 include $(SCRIPTS_DIR)/utils.mk

toolkit/scripts/azure_config.mk

@@ -0,0 +1,12 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+# By default pass original user's Azure configuration if running as root.
+# Running as root is required by how the toolkit operates while
+# in most cases the user expects to use their Azure configuration, thus the default.
+USE_USER_AZURE_CONFIG ?= y
+ifneq ($(SUDO_USER),)
+	ifeq ($(USE_USER_AZURE_CONFIG),y)
+		export AZURE_CONFIG_DIR:=$(shell sudo -u "$(SUDO_USER)" bash -c 'echo $${AZURE_CONFIG_DIR:-$${HOME}/.azure}')
+	endif
+endif