Add null safe source dir listing

Tim Sheppard · Tim Sheppard · commit e64d601b5bd2 · 2017-09-17T13:20:16.000+01:00
diff --git a/src/main/scala/uk/co/randomcoding/sbt/GitHooks.scala b/src/main/scala/uk/co/randomcoding/sbt/GitHooks.scala
@@ -53,7 +53,7 @@ object GitHooks extends AutoPlugin {
 object WriteGitHooks {
 
   def apply(hooksSourceDir: File, hooksTargetDir: File): Unit = {
-    hooksSourceDir.listFiles.foreach { hook =>
+    Option(hooksSourceDir.listFiles).map(_.toList).getOrElse(Nil).foreach { hook =>
       val hookTarget = hooksTargetDir.toPath.resolve(hook.getName)
       Files.copy(hook.toPath, hookTarget, StandardCopyOption.REPLACE_EXISTING)
       if (!Properties.isWin) Files.setPosixFilePermissions(hookTarget, PosixFilePermissions.fromString("rwxr-xr-x"))
