scala – 具有来自具有sbt-assembly的单个项目的不同外部依赖关

Maven配置文件将sbt / Ivy作为配置文件进行翻译。您可以在配置中定义设置，并使sbt-assembly生成两个jar。
您可以通过添加％“config”将libraryDependency添加到特定配置。但是，这需要项目预先了解配置。

在build.sbt(需要sbt 0.13.0或以上)：

import AssemblyKeys._

val Dispatch10 = config("dispatch10") extend(Compile)
val TestDispatch10 = config("testdispatch10") extend(Test)
val Dispatch11 = config("dispatch11") extend(Compile)
val TestDispatch11 = config("testdispatch11") extend(Test)

val root = project.in(file(".")).
  configs(Dispatch10,TestDispatch10,Dispatch11,TestDispatch11).
  settings( 
    name := "helloworld",organization := "com.eed3si9n",scalaVersion := "2.10.2",compile in Test := inc.Analysis.Empty,compile in Compile := inc.Analysis.Empty,libraryDependencies ++= Seq(
      "net.databinder.dispatch" %% "dispatch-core" % "0.10.0" % "dispatch10,testdispatch10","net.databinder.dispatch" %% "dispatch-core" % "0.11.0" % "dispatch11,testdispatch11","org.specs2" %% "specs2" % "2.2" % "test","com.github.scopt" %% "scopt" % "3.0.0"
    )
  ).
  settings(inConfig(Dispatch10)(Classpaths.configSettings ++ Defaults.configTasks ++ baseAssemblySettings ++ Seq(
    test := (test in TestDispatch10).value,test in assembly := test.value,assemblyDirectory in assembly := cacheDirectory.value / "assembly-dispatch10",jarName in assembly := name.value + "-assembly-dispatch10_" + version.value + ".jar"
  )): _*).
  settings(inConfig(TestDispatch10)(Classpaths.configSettings ++ Defaults.configTasks ++ Defaults.testTasks ++ Seq(
    internalDependencyClasspath := Seq((classDirectory in Dispatch10).value).classpath
  )): _*).
  settings(inConfig(Dispatch11)(Classpaths.configSettings ++ Defaults.configTasks ++ baseAssemblySettings ++ Seq(
    test := (test in TestDispatch11).value,assemblyDirectory in assembly := cacheDirectory.value / "assembly-dispatch11",jarName in assembly := name.value + "-assembly-dispatch11_" + version.value + ".jar"
  )): _*).
  settings(inConfig(TestDispatch11)(Classpaths.configSettings ++ Defaults.configTasks ++ Defaults.testTasks ++ Seq(
    internalDependencyClasspath := Seq((classDirectory in Dispatch11).value).classpath
  )): _*)

要在配置中运行程序集任务，您可以这样说：

> dispatch11:assembly
[info] HelloWorldSpec
[info] 
[info] The 'Hello world' string should
[info] + contain 11 characters
[info] 
[info] Total for specification HelloWorldSpec
[info] Finished in 17 ms
[info] 1 examples,0 failure,0 error
[info] Passed: Total 1,Failed 0,Errors 0,Passed 4
[info] Including: scopt_2.10-3.0.0.jar
[info] Including: slf4j-api-1.6.2.jar
[info] Including: netty-3.6.3.Final.jar
[info] Including: scala-library.jar
[info] Including: async-http-client-1.7.16.jar
[info] Including: dispatch-core_2.10-0.11.0.jar
[warn] Merging 'META-INF/NOTICE.txt' with strategy 'rename'
[warn] Merging 'META-INF/license' with strategy 'rename'
[warn] Merging 'META-INF/LICENSE.txt' with strategy 'rename'
[warn] Merging 'META-INF/MANIFEST.MF' with strategy 'discard'
[warn] Strategy 'discard' was applied to a file
[warn] Strategy 'rename' was applied to 3 files
[info] Checking every *.class/*.jar file's SHA-1.
[info] SHA-1: xxxxxxxxxxxx
[info] Packaging /Users/foo/helloworld/target/scala-2.10/helloworld-assembly-dispatch11_0.1-SNAPSHOT.jar ...
[info] Done packaging.