Access Relations.names conditionally in TextAnalysisFormat

The `Relations.name` is available only when name hashing flag is enabled. This fixes a regression introduced in 304796b.
sbt · Mar 21, 2014 · 273b74b · 273b74b
1 parent 0ed7b7b
commit 273b74b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/compile/persist/src/main/scala/sbt/inc/TextAnalysisFormat.scala b/compile/persist/src/main/scala/sbt/inc/TextAnalysisFormat.scala
@@ -148,6 +148,7 @@ object TextAnalysisFormat {
 				relations.memberRef else Relations.emptySourceDependencies
 			val inheritance = if (nameHashing)
 				relations.inheritance else Relations.emptySourceDependencies
+			val names = if (nameHashing) relations.names else Relation.empty[File, String]
 
 			writeRelation(Headers.directSrcDep, direct.internal)
 			writeRelation(Headers.directExternalDep, direct.external)
@@ -160,7 +161,7 @@ object TextAnalysisFormat {
 			writeRelation(Headers.inheritanceExternalDep, inheritance.external)
 
 			writeRelation(Headers.classes,        relations.classes)
-			writeRelation(Headers.usedNames, relations.names)
+			writeRelation(Headers.usedNames, names)
 		}
 
 		def read(in: BufferedReader): Relations = {