Fix dangling ivy.xml without JAR files

Fixes #250
Ref https://github.com/sbt/sbt/issues/4661
Ref https://github.com/sbt/sbt-export-repo/pull/1

.appveyor.yml

@@ -13,7 +13,7 @@ install:
       Add-Type -AssemblyName System.IO.Compression.FileSystem
       if (!(Test-Path -Path "C:\sbt" )) {
         (new-object System.Net.WebClient).DownloadFile(
-          'https://piccolo.link/sbt-0.13.17.zip',
+          'https://piccolo.link/sbt-0.13.18.zip',
           'C:\sbt-bin.zip'
         )
         [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\sbt-bin.zip", "C:\sbt")
@@ -22,7 +22,7 @@ install:
   - SET SBT_OPTS=-XX:MaxPermSize=2g -Xmx4g -Dfile.encoding=UTF8
 
 test_script:
-  - sbt "-Dsbt.build.version=1.1.2" universal:packageBin
+  - sbt "-Dsbt.build.version=1.2.8" universal:packageBin
   - cd citest
   - test.bat
   - test1.bat

.travis.yml

@@ -6,7 +6,7 @@ language: scala
 
 env:
   global:
-  - SBT_VER=1.2.4
+  - SBT_VER=1.2.8
 
 matrix:
   include:

build.sbt

@@ -14,6 +14,24 @@ lazy val sbtOfflineInstall =
 lazy val sbtVersionToRelease = sys.props.getOrElse("sbt.build.version", sys.env.getOrElse("sbt.build.version", {
         sys.error("-Dsbt.build.version must be set")
       }))
+
+lazy val scala210 = "2.10.7"
+lazy val scala212 = "2.12.8"
+lazy val scala210Jline = "org.scala-lang" % "jline" % scala210
+lazy val jansi = {
+  if (sbtVersionToRelease startsWith "1.") "org.fusesource.jansi" % "jansi" % "1.4"
+  else "org.fusesource.jansi" % "jansi" % "1.4"
+}
+lazy val scala212Jline = "jline" % "jline" % "2.14.6"
+lazy val scala212Xml = "org.scala-lang.modules" % "scala-xml_2.12" % "1.0.6"
+lazy val scala212Compiler = "org.scala-lang" % "scala-compiler" % scala212
+lazy val sbtActual = "org.scala-sbt" % "sbt" % sbtVersionToRelease
+
+lazy val sbt013ExtraDeps = {
+  if (sbtVersionToRelease startsWith "0.13.") Seq(scala210Jline)
+  else Seq()
+}
+
 lazy val isExperimental = (sbtVersionToRelease contains "RC") || (sbtVersionToRelease contains "M")
 val sbtLaunchJarUrl = SettingKey[String]("sbt-launch-jar-url")
 val sbtLaunchJarLocation = SettingKey[File]("sbt-launch-jar-location")
@@ -288,24 +306,6 @@ def publishToSettings =
 def bintrayRelease(repo: BintrayRepo, pkg: String, version: String, log: Logger): Unit =
   repo.release(pkg, version, log)
 
-
-lazy val scala210 = "2.10.7"
-lazy val scala212 = "2.12.7"
-lazy val scala210Jline = "org.scala-lang" % "jline" % scala210
-lazy val jansi = {
-  if (sbtVersionToRelease startsWith "1.") "org.fusesource.jansi" % "jansi" % "1.4"
-  else "org.fusesource.jansi" % "jansi" % "1.4"
-}
-lazy val scala212Jline = "jline" % "jline" % "2.14.6"
-lazy val scala212Xml = "org.scala-lang.modules" % "scala-xml_2.12" % "1.0.6"
-lazy val scala212Compiler = "org.scala-lang" % "scala-compiler" % scala212
-lazy val sbtActual = "org.scala-sbt" % "sbt" % sbtVersionToRelease
-
-lazy val sbt013ExtraDeps = {
-  if (sbtVersionToRelease startsWith "0.13.") Seq(scala210Jline)
-  else Seq()
-}
-
 def downloadUrl(uri: URI, out: File): Unit =
   {
     import dispatch.classic._

project/plugins.sbt

@@ -1,5 +1,5 @@
 addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.2.0-M9")
 libraryDependencies += "net.databinder" %% "dispatch-http" % "0.8.10"
 addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.1")
-addSbtPlugin("com.eed3si9n" % "sbt-export-repo" % "0.1.0")
+addSbtPlugin("com.eed3si9n" % "sbt-export-repo" % "0.1.1")
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.1")