assemble.gradle now sets default mainClassName if not provided.

Author: esycat

build.gradle

@@ -20,8 +20,6 @@ apply plugin: 'idea'
 apply plugin: 'signing'
 apply plugin: 'propsUtil'
 
-mainClassName = [group, project.name, 'Main'].join('.')
-
 apply from: 'project/util.gradle'
 apply from: 'project/assemble.gradle'
 apply from: 'project/scala.gradle'

project/assemble.gradle

@@ -1,6 +1,10 @@
 sourceCompatibility = JavaVersion.VERSION_1_7
 targetCompatibility = JavaVersion.VERSION_1_7
 
+if (hasProperty('mainClassName') && !property('mainClassName')) {
+    mainClassName = [group, project.name, 'Main'].join('.')
+}
+
 ext.sharedManifest = manifest {
     attributes \
         'Implementation-Title':   project.name,