Fixes #292 - Not feeding new isSnapshot value to ivy configuration.

src/main/scala/com/typesafe/sbt/packager/SettingsHelper.scala

@@ -23,18 +23,20 @@ object SettingsHelper {
       ivyModule <<= (ivySbt, moduleSettings) map { (i, s) => new i.Module(s) },
       deliverLocalConfiguration <<= (crossTarget, ivyLoggingLevel) map { (outDir, level) => Classpaths.deliverConfig(outDir, logging = level) },
       deliverConfiguration <<= deliverLocalConfiguration,
-      publishConfiguration <<= (packagedArtifacts, checksums, publishTo) map { (as, checks, publishTo) =>
+      publishConfiguration <<= (packagedArtifacts, checksums, publishTo, isSnapshot) map { (as, checks, publishTo, isSnap) =>
         new PublishConfiguration(ivyFile = None,
           resolverName = Classpaths.getPublishTo(publishTo).name,
           artifacts = as,
           checksums = checks,
-          logging = UpdateLogging.DownloadOnly)
+          logging = UpdateLogging.DownloadOnly,
+          overwrite = isSnap)
       },
-      publishLocalConfiguration <<= (packagedArtifacts, checksums) map { (as, checks) =>
+      publishLocalConfiguration <<= (packagedArtifacts, checksums, isSnapshot) map { (as, checks, isSnap) =>
         new PublishConfiguration(ivyFile = None,
           resolverName = "local",
           artifacts = as,
           checksums = checks,
-          logging = UpdateLogging.DownloadOnly)
+          logging = UpdateLogging.DownloadOnly,
+          overwrite = isSnap)
       })) ++ addPackage(config, packageTask, extension)
 }

src/sbt-test/universal/publish/build.sbt

@@ -0,0 +1,14 @@
+import NativePackagerKeys._
+
+packagerSettings
+
+deploymentSettings
+
+name := "simple-test"
+
+version := "0.1.0"
+
+// Workarund for ivy configuration bug
+resolvers += (publishTo in Universal).value.get
+
+publishTo in Universal := Some(Resolver.file("test", file("test-repo"))(Patterns("[module]/[revision]/[module]-[revision].[ext]")))

src/sbt-test/universal/publish/project/plugins.sbt

@@ -0,0 +1 @@
+addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % sys.props("project.version"))

src/sbt-test/universal/publish/src/universal/LICENSE

@@ -0,0 +1 @@
+DUMMY!

src/sbt-test/universal/publish/test

@@ -0,0 +1,4 @@
+# Ensure we can publish to local file system.
+> universal:publish
+# Ensure isSnpashot works correctly
+> universal:publish