Better --intransitive option from the command-line tools

--intransitive accepts a dependency as argument, and adds it as
intransitive dependency - other dependencies are left untouched

cli/src/main/scala-2.11/coursier/cli/Helper.scala

@@ -143,12 +143,20 @@ class Helper(
   }
 
 
-  val (modVerCfgErrors, moduleVersionConfigs) = Parse.moduleVersionConfigs(rawDependencies)
+  val (modVerCfgErrors, moduleVersionConfigs) =
+    Parse.moduleVersionConfigs(rawDependencies)
+  val (intransitiveModVerCfgErrors, intransitiveModuleVersionConfigs) =
+    Parse.moduleVersionConfigs(intransitive)
 
   prematureExitIf(modVerCfgErrors.nonEmpty) {
     s"Cannot parse dependencies:\n" + modVerCfgErrors.map("  "+_).mkString("\n")
   }
 
+  prematureExitIf(intransitiveModVerCfgErrors.nonEmpty) {
+    s"Cannot parse intransitive dependencies:\n" +
+      intransitiveModVerCfgErrors.map("  "+_).mkString("\n")
+  }
+
 
   val (forceVersionErrors, forceVersions0) = Parse.moduleVersions(forceVersion)
 
@@ -217,17 +225,29 @@ class Helper(
     (mod.organization, mod.name)
   }.toSet
 
-  val dependencies = moduleVersionConfigs.map {
+  val baseDependencies = moduleVersionConfigs.map {
+    case (module, version, configOpt) =>
+      Dependency(
+        module,
+        version,
+        configuration = configOpt.getOrElse(defaultConfiguration),
+        exclusions = excludes
+      )
+  }
+
+  val intransitiveDependencies = intransitiveModuleVersionConfigs.map {
     case (module, version, configOpt) =>
       Dependency(
         module,
         version,
         configuration = configOpt.getOrElse(defaultConfiguration),
         exclusions = excludes,
-        transitive = !intransitive
+        transitive = false
       )
   }
 
+  val dependencies = baseDependencies ++ intransitiveDependencies
+
   val checksums = {
     val splitChecksumArgs = checksum.flatMap(_.split(',')).filter(_.nonEmpty)
     if (splitChecksumArgs.isEmpty)

cli/src/main/scala-2.11/coursier/cli/Options.scala

@@ -44,8 +44,8 @@ case class CommonOptions(
   @Value("organization:name")
   @Short("E")
     exclude: List[String],
-  @Help("Consider provided dependencies to be intransitive. Applies to all the provided dependencies.")
+  @Help("Add intransitive dependencies")
-    intransitive: Boolean,
+    intransitive: List[String],
   @Help("Classifiers that should be fetched")
   @Value("classifier1,classifier2,...")
   @Short("C")