add java sources folders (#85)

* add java sources folders
* add test

---------

Co-authored-by: Miguel Villa <miguel.villa@siriusxm.com>

src/main/scala/sbt/internal/ProjectMatrix.scala

@@ -334,7 +334,8 @@ object ProjectMatrix {
     private def makeSources(dirSuffix: String, svDirSuffix: String): Setting[_] = {
       unmanagedSourceDirectories ++= Seq(
         scalaSource.value.getParentFile / s"scala${dirSuffix}",
-        scalaSource.value.getParentFile / s"scala$svDirSuffix"
+        scalaSource.value.getParentFile / s"scala$svDirSuffix",
+        javaSource.value.getParentFile / s"java${dirSuffix}"
       )
     }
 

src/sbt-test/projectMatrix/java/app/src/main/java-config1.2-jvm/com/config/MyClass.java

@@ -0,0 +1,9 @@
+package com.config;
+
+public class MyClass {
+
+    public static String configValue() {
+        return "1.2";
+    }
+  
+}

src/sbt-test/projectMatrix/java/app/src/main/java-config1.3-jvm/com/config/MyClass.java

@@ -0,0 +1,9 @@
+package com.config;
+
+public class MyClass {
+
+    public static String configValue() {
+        return "1.3";
+    }
+  
+}

src/sbt-test/projectMatrix/java/app/src/main/scala/com/config/Main.scala

@@ -0,0 +1,5 @@
+package com.config
+
+object Main extends App {
+    println(s"Version: ${MyClass.configValue()}")
+}

src/sbt-test/projectMatrix/java/build.sbt

@@ -0,0 +1,41 @@
+ThisBuild / organization := "com.example"
+ThisBuild / version := "0.1.0-SNAPSHOT"
+ThisBuild / publishMavenStyle := true
+
+ThisBuild / ivyPaths := {
+  val base = (ThisBuild / baseDirectory).value
+  IvyPaths(base, Some(base / "ivy-cache"))
+}
+publish / skip := true
+
+lazy val config12 = ConfigAxis("Config1_2", "-config1.2")
+lazy val config13 = ConfigAxis("Config1_3", "-config1.3")
+
+lazy val scala212 = "2.12.10"
+
+lazy val app = (projectMatrix in file("app"))
+  .settings(
+    name := "app",
+    ivyPaths := (ThisBuild / ivyPaths).value
+  )
+  .customRow(
+    scalaVersions = Seq(scala212),
+    axisValues = Seq(config12, VirtualAxis.jvm),
+    _.settings(
+      moduleName := name.value + "_config1.2",
+      libraryDependencies += "com.typesafe" % "config" % "1.2.1"
+    )
+  )
+  .customRow(
+    scalaVersions = Seq(scala212),
+    axisValues = Seq(config13, VirtualAxis.jvm),
+    _.settings(
+      moduleName := name.value + "_config1.3",
+      libraryDependencies += "com.typesafe" % "config" % "1.3.3"
+    )
+  )
+
+lazy val appConfig12_212 = app.finder(config13, VirtualAxis.jvm)(scala212)
+  .settings(
+    publishMavenStyle := true
+  )

src/sbt-test/projectMatrix/java/project/ConfigAxis.scala

@@ -0,0 +1,5 @@
+import sbt._
+
+case class ConfigAxis(idSuffix: String, directorySuffix: String) extends VirtualAxis.WeakAxis {
+
+}

src/sbt-test/projectMatrix/java/project/plugins.sbt

@@ -0,0 +1,5 @@
+sys.props.get("plugin.version") match {
+  case Some(x) => addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % x)
+  case _ => sys.error("""|The system property 'plugin.version' is not defined.
+                         |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
+}

src/sbt-test/projectMatrix/java/test

@@ -0,0 +1,4 @@
+> publishLocal
+
+$ exists ivy-cache/local/com.example/app_config1.2_2.12/0.1.0-SNAPSHOT/poms/app_config1.2_2.12.pom
+$ exists ivy-cache/local/com.example/app_config1.3_2.12/0.1.0-SNAPSHOT/poms/app_config1.3_2.12.pom