Minimize build script

mobile/build.gradle

@@ -5,24 +5,11 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
 def getCurrentFlavor() {
-    Gradle gradle = getGradle()
-    String tskReqStr = gradle.getStartParameter().getTaskRequests().toString()
-
-    Pattern pattern;
-
-    if( tskReqStr.contains( "assemble" ) )
-        pattern = Pattern.compile("assemble(\\w+)(Release|Debug)")
-    else
-        pattern = Pattern.compile("generate(\\w+)(Release|Debug)")
-
-    Matcher matcher = pattern.matcher( tskReqStr )
-
-    if( matcher.find() )
-        return matcher.group(1).toLowerCase()
-    else
-    {
+    Matcher matcher = Pattern.compile("(assemble|generate)(\\w+)(Release|Debug)")
+            .matcher(getGradle().getStartParameter().getTaskRequests().toString())
+    if (matcher.find()) return matcher.group(1).toLowerCase() else {
         println "NO MATCH FOUND"
-        return "";
+        return ""
     }
 }