chore(NODE-5284): add script to build&link libmongocrypt bindings from driver (mongodb#3759)

Author: baileympearson

etc/tooling/fle.sh

@@ -0,0 +1,58 @@
+#! /bin/bash
+
+USAGE="usage: fle.sh <command>
+
+commands:
+	link [--build-libmongocrypt]: (optionally builds libmongocrypt), builds the node bindings and links the bindings to the driver
+	rebuild: rebuilds the node bindings
+	unlink: unlinks the node bindings from the driver
+
+required environment variables:
+	FLE_BINDINGS_PATH - a path, relative or absolute, to the directory that contains the Node libmongocrypt bindings"
+
+build_libmongocrypt() {
+	cd $FLE_BINDINGS_PATH
+	# clean out any stale builds
+	git clean -fdx
+	bash etc/build-static.sh
+	cd -
+}
+
+build_node_bindings() {
+	cd $FLE_BINDINGS_PATH
+	npm run rebuild
+	cd -
+}
+
+link_bindings() {
+	npm link $FLE_BINDINGS_PATH
+}
+
+unlink_bindings() {
+	npm unlink $FLE_BINDINGS_PATH
+}
+
+if [[ "$FLE_BINDINGS_PATH" == "" ]]; then
+	echo "FLE_BINDINGS_PATH path must be set."
+	exit 1
+fi
+
+case $1 in
+	"link")
+		if [[ "$2" == "--build-libmongocrypt" ]]; then
+			build_libmongocrypt
+		fi
+
+		build_node_bindings
+		link_bindings
+		;;
+	"rebuild")
+		build_node_bindings
+		;;
+	"unlink")
+		unlink_bindings
+		;;
+	*)
+		echo "$USAGE"
+		;;
+esac