[英]In sbt, how do you override scalacOptions for console in all configurations?
我喜欢在顶层定义scalacOptions
,如此(例如, scalacOptions
忽略项目轴):
scalacOptions += "-Ywarn-unused-import"
但后来我意识到这对console
来说太严格了。 所以我试着设置:
scalacOptions in console ~= (_ filterNot (_ == "-Ywarn-unused-import"))
但这不起作用(在REPL中仍然有致命的警告)。
我用inspect
来试着理解为什么:
> inspect console
[info] Task: Unit
[info] Description:
[info] Starts the Scala interpreter with the project classes on the classpath.
[info] Provided by:
[info] {file:/a/}b/compile:console
[info] Defined at:
[info] (sbt.Defaults) Defaults.scala:261
[info] Dependencies:
[info] compile:console::compilers
[info] compile:console::initialCommands
[info] compile:console::fullClasspath
[info] compile:console::taskTemporaryDirectory
[info] compile:console::scalaInstance
[info] compile:console::streams
[info] compile:console::cleanupCommands
[info] compile:console::scalacOptions
[info] Delegates:
[info] compile:console
[info] *:console
[info] {.}/compile:console
[info] {.}/*:console
[info] */compile:console
[info] */*:console
[info] Related:
[info] test:console
注意: console
是
compile:console
提供compile:console
compile:console::scalacOptions
然后:
> inspect compile:console::scalacOptions
[info] Task: scala.collection.Seq[java.lang.String]
[info] Description:
[info] Options for the Scala compiler.
[info] Provided by:
[info] {file:/a/}b/compile:scalacOptions
[info] Defined at:
[info] (sbt.Classpaths) Defaults.scala:1593
[info] Reverse dependencies:
[info] compile:console
[info] Delegates:
[info] compile:console::scalacOptions
[info] compile:scalacOptions
[info] *:console::scalacOptions
[info] *:scalacOptions
[info] {.}/compile:console::scalacOptions
[info] {.}/compile:scalacOptions
[info] {.}/*:console::scalacOptions
[info] {.}/*:scalacOptions
[info] */compile:console::scalacOptions
[info] */compile:scalacOptions
[info] */*:console::scalacOptions
[info] */*:scalacOptions
[info] Related:
[info] *:console::scalacOptions
[info] compile:scalacOptions
[info] *:scalacOptions
[info] */*:scalacOptions
[info] test:scalacOptions
注意: compile:console::scalacOptions
是
compile:scalacOptions
提供compile:scalacOptions
*:console::scalacOptions
(这是我定义的) 我的问题是如何为控制台的所有配置覆盖scalacOptions
? 是否可以更改授权链?
我想避免scalacOptions in (Compile, console)
设置scalacOptions in (Compile, console)
(因为它会被复制(Test, console)
)或定义一个scalac选项的val。
我的问题是如何为控制台的所有配置覆盖
scalacOptions
?
我不认为我们可以提供compile:scalacOptions
由sbt的Defaults
。 唯一具有更高优先级的范围是compile:console::scalacOptions
。 在大多数情况下,人们不希望Compile
和Test
设置跨线,因此配置范围更高的优先级我不认为是一个错误的默认值。
lazy val commonSettings = Seq(
scalaVersion := "2.11.4",
scalacOptions += "-Ywarn-unused-import",
scalacOptions in (Compile, console) ~= (_ filterNot (_ == "-Ywarn-unused-import")),
scalacOptions in (Test, console) := (scalacOptions in (Compile, console)).value
)
是否可以更改授权链?
不,这是不可能的。 在BuildStructure中有一个delegates
函数的单个实例,它在加载时初始化并用于所有任务。 订购在Scope.delegates中完成。
我在autoplugin中修复了坏的scalac选项:
package console
import sbt._
/** [[FixScalacOptionsInConsole]] is an [[AutoPlugin]] that removes
* noisy or unnecessary scalac options when running an sbt console.
*/
object FixScalacOptionsInConsole extends AutoPlugin {
import Keys._
override def requires = plugins.JvmPlugin
override def trigger = allRequirements
override lazy val projectSettings = Seq(
Compile / console / scalacOptions ~= filter,
Test / console / scalacOptions ~= filter
)
def filter: Seq[String] => Seq[String] =
_ .filterNot(_ == "-feature")
.filterNot(_.startsWith("-opt:"))
.filterNot(_ == "-unchecked")
.filterNot(_.startsWith("-Xlint:"))
.filterNot(_ == "-Xfatal-warnings")
.filterNot(_.startsWith("-Ywarn"))
}
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