From 842ae5a78e4d9675c6bfb53c5cd4d52026d37bef Mon Sep 17 00:00:00 2001
From: Stefan Zeiger <szeiger@novocode.com>
Date: Thu, 21 Jan 2016 17:56:46 +0100
Subject: Use Windows classpath in sh scripts when building in sbt on Windows

The generated scripts for "quick" are not portable anyway (neither in
the sbt build nor in the ant build) because they contain absolute
paths. When using the sh versions on Windows in MSYS or Cygwin, the
classpath must be in Windows format because "java" expects it that way.
Note that none of this applies to "pack" (and thus to distribution
builds) where the classpath is constructed dynamically by the launcher
scripts itself.
---
 project/ScalaTool.scala | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'project')

diff --git a/project/ScalaTool.scala b/project/ScalaTool.scala
index 559b215c18..a30f5f0a73 100644
--- a/project/ScalaTool.scala
+++ b/project/ScalaTool.scala
@@ -1,4 +1,5 @@
 import sbt._
+import org.apache.commons.lang3.SystemUtils
 import org.apache.commons.lang3.StringUtils.replaceEach
 
 /**
@@ -17,6 +18,14 @@ case class ScalaTool(mainClass: String,
   //  `@SCALA_HOME@`) and automatically translated for you.
   def patchedToolScript(template: String, platform: String) = {
     val varRegex = """@(\w+)@""" // the group should be able to capture each of the keys of the map below
+    val platformClasspath = platform match {
+      case "unix" =>
+        // When building on Windows, use a Windows classpath in the shell script (for MSYS/Cygwin).
+        // This is only used for "quick", which uses absolute paths, so it is not portable anyway.
+        if(SystemUtils.IS_OS_WINDOWS) classpath.mkString(";").replace("\\", "\\\\").replaceAll(varRegex, """\${$1}""")
+        else classpath.mkString(":").replace('\\', '/').replaceAll(varRegex, """\${$1}""")
+      case "windows" => classpath.mkString(";").replace('/', '\\').replaceAll(varRegex, "%$1%")
+    }
 
     val variables = Map(
       ("@@"           -> "@"), // for backwards compatibility
@@ -24,10 +33,7 @@ case class ScalaTool(mainClass: String,
       ("@properties@" -> (properties map { case (k, v) => s"""-D$k="$v""""} mkString " ")),
       ("@javaflags@"  -> javaOpts),
       ("@toolflags@"  -> toolFlags),
-      ("@classpath@"  -> (platform match {
-        case "unix"    => classpath.mkString(":").replace('\\', '/').replaceAll(varRegex, """\${$1}""")
-        case "windows" => classpath.mkString(";").replace('/', '\\').replaceAll(varRegex, "%$1%")
-      }))
+      ("@classpath@"  -> platformClasspath)
     )
 
     val (from, to) = variables.unzip
-- 
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