Support for absolute paths in classpath

src/main/scala/com/typesafe/sbt/packager/archetypes/JavaAppAshScript.scala

@@ -1,5 +1,6 @@
 package com.typesafe.sbt.packager.archetypes
 
+import java.io.File
 import java.net.URL
 
 /**
@@ -34,7 +35,7 @@ object JavaAppAshScript {
       extras
 
   private def makeClasspathDefine(cp: Seq[String]): String = {
-    val fullString = cp map (n => "$lib_dir/" + n) mkString ":"
+    val fullString = cp map (n => if (n.startsWith(File.separator)) n else "$lib_dir/" + n) mkString ":"
     "app_classpath=\"" + fullString + "\"\n"
   }
   def generateScript(defines: Seq[String], template: URL = bashTemplateSource): String = {

src/main/scala/com/typesafe/sbt/packager/archetypes/JavaAppBashScript.scala

@@ -1,5 +1,6 @@
 package com.typesafe.sbt.packager.archetypes
 
+import java.io.File
 import java.net.URL
 
 /**
@@ -34,7 +35,7 @@ object JavaAppBashScript {
       extras
 
   private def makeClasspathDefine(cp: Seq[String]): String = {
-    val fullString = cp map (n => "$lib_dir/" + n) mkString ":"
+    val fullString = cp map (n => if (n.startsWith(File.separator)) n else "$lib_dir/" + n) mkString ":"
     "declare -r app_classpath=\"" + fullString + "\"\n"
   }
   def generateScript(defines: Seq[String], template: URL = bashTemplateSource): String = {

src/main/scala/com/typesafe/sbt/packager/archetypes/JavaAppBatScript.scala

@@ -11,9 +11,10 @@ object JavaAppBatScript {
 
   def makeWindowsRelativeClasspathDefine(cp: Seq[String]): String = {
     def cleanPath(path: String): String = path.replaceAll("/", "\\\\")
+    def isAbsolute(path: String): Boolean = path.length > "c:\\".length && Character.isLetter(path(0)) && path(1) == ':'
     def makeRelativePath(path: String): String =
       "%APP_LIB_DIR%\\" + cleanPath(path)
-    "set \"APP_CLASSPATH=" + (cp map makeRelativePath mkString ";") + "\""
+    "set \"APP_CLASSPATH=" + (cp map { path => if (isAbsolute(path)) path else makeRelativePath(path) } mkString ";") + "\""
   }
 
   def makeMainClassDefine(mainClass: String) = {

src/sbt-test/universal/absolute-path/build.sbt

@@ -0,0 +1,21 @@
+enablePlugins(JavaAppPackaging)
+
+name := "absolute-path"
+
+version := "0.1.0"
+
+scriptClasspath in bashScriptDefines ++= Seq("/dummy/absolute/path", "relative/path")
+
+scriptClasspath in batScriptReplacements ++= Seq("x:\\dummy\\absolute\\path", "relative\\path")
+
+TaskKey[Unit]("run-check") := {
+  val dir = (stagingDirectory in Universal).value
+
+  val bash = IO.read(dir / "bin" / "absolute-path")
+  assert(bash contains ":/dummy/absolute/path")
+  assert(bash contains ":$lib_dir/relative/path")
+
+  val bat = IO.read(dir / "bin" / "absolute-path.bat")
+  assert(bat contains ";x:\\dummy\\absolute\\path")
+  assert(bat contains "%APP_LIB_DIR%\\relative\\path")
+}

src/sbt-test/universal/absolute-path/project/plugins.sbt

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

src/sbt-test/universal/absolute-path/src/main/scala/MainApp.scala

@@ -0,0 +1,3 @@
+object MainApp extends App {
+  println("SUCCESS!")
+}

src/sbt-test/universal/absolute-path/test

@@ -0,0 +1,3 @@
+# Run the staging and check the script.
+> stage
+> run-check