fix: julianpeeters/sbt-avrohugger#94

Files were generated into not-existing folder, added call to create all missing
parent folders.

avrohugger-core/src/main/scala/format/abstractions/SourceFormat.scala

@@ -51,7 +51,7 @@ trait SourceFormat {
     typeMatcher: TypeMatcher,
     restrictedFields: Boolean,
     targetScalaPartialVersion: String): List[CompilationUnit]
-    
+
   def compile(
     classStore: ClassStore,
     namespace: Option[String],
@@ -61,7 +61,7 @@ trait SourceFormat {
     typeMatcher: TypeMatcher,
     restrictedFields: Boolean,
     targetScalaPartialVersion: String): Unit
-    
+
   val defaultTypes: AvroScalaTypes
 
   def getName(
@@ -87,7 +87,7 @@ trait SourceFormat {
       case ScalaEnumeration => ".scala"
       case EnumAsScalaString => sys.error("Only RECORD and ENUM can be top-level definitions")
     }
-    
+
     schemaOrProtocol match {
       case Left(schema) => schema.getType match {
         case RECORD => ".scala"
@@ -97,7 +97,7 @@ trait SourceFormat {
       }
       case Right(protocol) => ".scala"
     }
-    
+
   }
 
   def getFilePath(
@@ -202,7 +202,7 @@ trait SourceFormat {
       case _ => sys.error("Only RECORD, ENUM or FIXED can be top-level definitions")
     }
   }
-  
+
   // From: https://github.com/apache/avro/blob/33d495840c896b693b7f37b5ec786ac1acacd3b4/lang/java/avro/src/main/java/org/apache/avro/specific/SpecificData.java#L70
   val RESERVED_WORDS: Set[String] = Set("abstract", "assert", "boolean", "break", "byte", "case", "catch",
         "char", "class", "const", "continue", "default", "do", "double",
@@ -222,7 +222,8 @@ trait SourceFormat {
     }
     val contents = compilationUnit.codeString.getBytes()
     try { // delete old and/or create new
-      Files.deleteIfExists(path)
+      Files.deleteIfExists(path) // delete file if exists
+      Files.createDirectories(path.getParent) // create all parent folders
       Files.write(path, contents, StandardOpenOption.CREATE)
       ()
     }
@@ -232,4 +233,4 @@ trait SourceFormat {
     }
   }
 
-}
+}