private def isRunningFromIDEA: Boolean = sys.props.contains()

in ideaSupport/src/main/scala/org/jetbrains/sbtidea/Init.scala [23:55]
31 lines of code
5 McCabe index (conditional complexity)

  private def isRunningFromIDEA: Boolean = sys.props.contains("idea.managed")

  lazy val globalSettings : Seq[Setting[?]] = Seq(
    intellijAttachSources     := true
  )

  lazy val buildSettings: Seq[Setting[?]] = Seq(
    intellijPluginName        := name.in(LocalRootProject).value,
    intellijBuild             := BuildInfo.LATEST_EAP_SNAPSHOT,
    intellijPlatform          := IntelliJPlatform.IdeaCommunity,
    intellijBuildInfo         := BuildInfo(intellijBuild.value, intellijPlatform.value),
    jbrInfo                   := AutoJbr(),
    intellijPluginDirectory   := homePrefix / s".${intellijPluginName.value.removeSpaces}Plugin${intellijPlatform.value.edition}",
    intellijTestConfigDir     := intellijPluginDirectory.value / "test-config",
    intellijTestSystemDir     := intellijPluginDirectory.value / "test-system",
    intellijBaseDirectory     := intellijPluginDirectory.value / "sdk" / intellijBuild.value,
    artifactsDownloadsDir     := intellijPluginDirectory.value / "sdk" / "downloads",
    autoRemoveOldCachedIntelliJSDK := false,
    autoRemoveOldCachedDownloads := false,
    concurrentRestrictions in Global += Tags.limit(Tags.Test, 1), // IDEA tests can't be run in parallel
    bundleScalaLibrary        := !hasPluginsWithScala(intellijPlugins.?.all(ScopeFilter(inAnyProject)).value.flatten.flatten),
    doProjectSetup := Def.taskDyn {
      if (!updateFinished && isRunningFromIDEA) Def.sequential(
        updateIntellij,
        Def.task {
          println("Detected IDEA, artifacts and run configurations have been generated")
          createIDEAArtifactXml.?.all(ScopeFilter(inProjects(LocalRootProject))).value.flatten
          createIDEARunConfiguration.?.all(ScopeFilter(inProjects(LocalRootProject))).value
          updateFinished = true
        }) else if (!updateFinished && !isRunningFromIDEA) Def.task {
        updateIntellij.value
      } else Def.task { }
    }.value,