Fixed publish configuration

build.sbt

@@ -1,3 +1,5 @@
+import scala.xml.NodeSeq
+
 val commonSettings = Seq(
   version := "5.0",
   organization := "jp.t2v",
@@ -41,9 +43,12 @@ val commonSettings = Seq(
 
 lazy val root = (project in file(".")).aggregate(core, joda).settings(
   crossScalaVersions := Seq("2.12.1"),
+  publishMavenStyle := true,
   publish           := { },
   publishArtifact   := false,
-  packagedArtifacts := Map.empty
+  packagedArtifacts := Map.empty,
+  publishTo         := Some("snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"),
+  pomExtra          := NodeSeq.Empty
 )
 
 lazy val core = (project in file("core")).settings(commonSettings).settings(
@@ -57,7 +62,13 @@ lazy val joda = (project in file("joda")).settings(commonSettings).settings(
   name := "holidays-joda",
   libraryDependencies ++= Seq(
     "joda-time" % "joda-time" % "2.9.7"
-  )
+  ),
+  publishMavenStyle := true,
+  publish           := { },
+  publishArtifact   := false,
+  packagedArtifacts := Map.empty,
+  publishTo         := Some("snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"),
+  pomExtra          := NodeSeq.Empty
 ).dependsOn(core)
 
 

core/src/main/scala/jp/t2v/util/locale/Holidays.scala

@@ -131,8 +131,7 @@ object Holidays extends (LocalDate => Option[String]) {
       }
     }
     def substitute(d: LocalDate): Option[String] = {
-      if ((d is MONDAY) && (d >= 振替休日施行) && holidayName(d.minusDays(1)).isDefined) Some("振替休日")
-      else None
+      ((d is MONDAY) && (d >= 振替休日施行) && holidayName(d.minusDays(1)).isDefined) opt "振替休日"
     }
     holidayName(target) orElse substitute(target)
   }