Allow setting extra flags and renaming folder

ReactNativeClient/lib/string-utils.js

@@ -122,4 +122,73 @@ function wrap(text, indent, width) {
 	});
 }
 
-module.exports = { removeDiacritics, escapeFilename, wrap };
+function splitCommandString(command) {
+	let args = [];
+	let state = "start"
+	let current = ""
+	let quote = "\""
+	let escapeNext = false;
+	for (let i = 0; i < command.length; i++) {
+		let c = command[i]
+
+		if (state == "quotes") {
+			if (c != quote) {
+				current += c
+			} else {
+				args.push(current)
+				current = ""
+				state = "start"
+			}
+			continue
+		}
+
+		if (escapeNext) {
+			current += c;
+			escapeNext = false;
+			continue;
+		}
+
+		if (c == "\\") {
+			escapeNext = true;
+			continue;
+		}
+
+		if (c == '"' || c == '\'') {
+			state = "quotes"
+			quote = c
+			continue
+		}
+
+		if (state == "arg") {
+			if (c == ' ' || c == '\t') {
+				args.push(current)
+				current = ""
+				state = "start"
+			} else {
+				current += c
+			}
+			continue
+		}
+
+		if (c != ' ' && c != "\t") {
+			state = "arg"
+			current += c
+		}
+	}
+
+	if (state == "quotes") {
+		throw new Error("Unclosed quote in command line: " + command)
+	}
+
+	if (current != "") {
+		args.push(current)
+	}
+
+	if (args.length <= 0) {
+		throw new Error("Empty command line")
+	}
+
+	return args;
+}
+
+module.exports = { removeDiacritics, escapeFilename, wrap, splitCommandString };