[compare-commits] Clone macios-adr from our existing clone instead of…

… downloading it again. (#21842)

Make.config

@@ -317,7 +317,7 @@ XAMARIN_MACDEV_PATH=$(TOP)/external/Xamarin.MacDev
 MONOTOUCH_DIALOG_PATH=$(TOP)/external/MonoTouch.Dialog
 API_TOOLS_PATH=$(TOP)/external/api-tools
 MACCORE_PATH=$(TOP)/../maccore
-ADR_PATH=$(TOP)/../macios-adr
+ADR_PATH:=$(abspath $(TOP)/../macios-adr)
 
 MONO_PREFIX ?= /Library/Frameworks/Mono.framework/Versions/Current
 SYSTEM_MONO=$(MONO_PREFIX)/bin/mono

tools/compare-commits.sh

@@ -269,6 +269,15 @@ if test -z "$USE_EXISTING_BUILD"; then
 	mkdir -p "$OUTPUT_SRC_DIR"
 
 	cd "$OUTPUT_SRC_DIR"
+
+	echo "    ${BLUE}Getting ADR from existing clone to avoid having to setup auth to get it again...${CLEAR}"
+	FILE="$ROOT_DIR/adr-path.raw"
+	make print-variable-value-to-file VARIABLE=ADR_PATH FILE=$FILE -C "$ROOT_DIR/tools/devops"
+	ADR_PATH=$(cat "$FILE")
+	rm -f "$FILE"
+	cp -cr "$ADR_PATH" .
+
+	echo "    ${BLUE}Cloning xamarin-macios...${CLEAR}"
 	git clone https://github.com/xamarin/xamarin-macios --reference "$ROOT_DIR" 2>&1 | sed 's/^/        /'
 	cd xamarin-macios
 	git reset --hard "$BASE_HASH" 2>&1 | sed 's/^/        /'