MergeStrategy is invoked if more than one source file is mapped to the
same target path. Its arguments are the tempDir (which is deleted after
packaging) and the sequence of source files, and it shall return the
file to be included in the assembly (or throw an exception).
Linear Supertypes
((File, String, Seq[File])) ⇒ Either[String, Seq[(File, String)]], AnyRef, Any
MergeStrategy is invoked if more than one source file is mapped to the same target path. Its arguments are the tempDir (which is deleted after packaging) and the sequence of source files, and it shall return the file to be included in the assembly (or throw an exception).