Fix scripting formatter to avoid extra indent in invisible block node.

idea/src/org/jetbrains/jet/plugin/formatter/JetBlock.java

@@ -267,7 +267,7 @@ public class JetBlock extends AbstractBlock {
                     .forType(PROPERTY_ACCESSOR)
                     .set(Indent.getNormalIndent()),
 
-            ASTIndentStrategy.forNode("For a single statement if 'for'")
+            ASTIndentStrategy.forNode("For a single statement in 'for'")
                     .in(BODY)
                     .notForType(BLOCK)
                     .set(Indent.getNormalIndent()),
@@ -302,6 +302,13 @@ public class JetBlock extends AbstractBlock {
         ASTNode childParent = child.getTreeParent();
         IElementType childType = child.getElementType();
 
+        // SCRIPT: Avoid indenting script top BLOCK contents
+        if (childParent != null && childParent.getTreeParent() != null) {
+            if (childParent.getElementType() == BLOCK && childParent.getTreeParent().getElementType() == SCRIPT) {
+                return Indent.getNoneIndent();
+            }
+        }
+
         for (ASTIndentStrategy strategy : INDENT_RULES) {
             Indent indent = strategy.getIndent(child);
             if (indent != null) {

idea/testData/formatter/Script.after.kts

@@ -0,0 +1,9 @@
+import a.b.c
+
+val x = 0
+fun fn() {
+    println(x)
+}
+
+var y = fn()
+y = y + 1

idea/testData/formatter/Script.kts

@@ -0,0 +1,8 @@
+import a.b.c
+val x = 0
+    fun fn() {
+        println(x)
+}
+
+    var y = fn()
+    y = y+1