如何将 jar 打包到 sbt 中的给定目录? [英] How to package jar to a given directory in sbt?

问题描述

在sbt中，如果我们执行package，会在target/scala-2.12/XXX.jar处生成一个jar文件.但我想将 jar 文件放在 myDirectory/XXX.jar.我怎样才能做到这一点?

In sbt, if we execute package, a jar file will generated at target/scala-2.12/XXX.jar. But I want to put the jar file at myDirectory/XXX.jar. How can I make this?

推荐答案

默认路径的 target/ 部分由 target 设置键和 定义>scala-2.12/ 部分由 crossTarget 设置定义(因为您可能会针对不同版本的 Scala 进行交叉编译).因此，一个简单的解决方案是将其添加到您的 build.sbt 中:

The target/ part of the default path is defined by the target setting key and the scala-2.12/ part is defined by the crossTarget setting (because you may cross-compile for different version of Scala). So a simple solution is to add this to your build.sbt:

crossTarget := baseDirectory.value / "myDirectory"

现在，如果您从 sbt 调用 package 任务，您将获得 myDirectory/ 目录中的所有文件，包括通常进入 的 jar、类和其他内容target/scala-2.12/.

Now if you call package task from sbt, you will get all files the myDirectory/ directory including the jar, classes and other stuff that normally goes to target/scala-2.12/.

如果您只想更改 jar 的位置，您可以更改 artifactPath 设置.但是您应该将其设置在正确的范围内并使用 jar 文件名:

If you want to change only the jar's location, you can change the artifactPath setting. But you should set it in the right scope and with the jar filename:

artifactPath in packageBin in Compile := baseDirectory.value / "myDirectory" / "XXX.jar"

// if you're using sbt 1.1+, you can also write like this:
Compile/packageBin/artifactPath := ...

如果您有一个重要的设置，这很容易变得更加复杂和混乱.所以检查 sbt 来源以了解如何 artifactPath 设置实际上是在 sbt 文档.

This can easily get more complicated and messy if you have a non-trivial setup. So check the sbt sources to learn how artifactPath setting is actually defined and read about artifacts in the sbt documentation.

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