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No unnecessary warning message with the launch command 

when using the proguarded coursier launcher
This commit is contained in:
Alexandre Archambault 2016-02-11 23:58:35 +01:00
parent 6e5bdd80a1
commit 1ef56e9f49
1 changed files with 17 additions and 11 deletions
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28
cli/src/main/scala-2.11/coursier/cli/Coursier.scala
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@ -13,6 +13,7 @@ import coursier.util.Parse
import scala.annotation.tailrec import scala.annotation.tailrec
import scala.language.reflectiveCalls import scala.language.reflectiveCalls
import scala.util.Try
case class CommonOptions( case class CommonOptions(
@Help("Keep optional dependencies (Maven)") @Help("Keep optional dependencies (Maven)")
@ -228,18 +229,23 @@ case class Launch(
val contextLoader = Thread.currentThread().getContextClassLoader val contextLoader = Thread.currentThread().getContextClassLoader
val parentLoader0: ClassLoader = Launch.mainClassLoader(contextLoader) val parentLoader0: ClassLoader =
.flatMap(cl => Option(cl.getParent)) if (Try(contextLoader.loadClass("coursier.Launch")).isSuccess)
.getOrElse { Launch.mainClassLoader(contextLoader)
if (common.verbose0 >= 0) .flatMap(cl => Option(cl.getParent))
Console.err.println( .getOrElse {
"Warning: cannot find the main ClassLoader that launched coursier. " + if (common.verbose0 >= 0)
"Was coursier launched by its main launcher? " + Console.err.println(
"The ClassLoader of the application that is about to be launched will be intertwined " + "Warning: cannot find the main ClassLoader that launched coursier. " +
"with the one of coursier, which may be a problem if their dependencies conflict." "Was coursier launched by its main launcher? " +
) "The ClassLoader of the application that is about to be launched will be intertwined " +
"with the one of coursier, which may be a problem if their dependencies conflict."
)
contextLoader
}
else
// proguarded -> no risk of conflicts, no need to find a specific ClassLoader
contextLoader contextLoader
}
val (parentLoader, filteredFiles) = val (parentLoader, filteredFiles) =
if (isolated.isolated.isEmpty) if (isolated.isolated.isEmpty)