moved the waiting operation under the timeout check

src/main/kotlin/com/beust/kobalt/Main.kt

@@ -81,6 +81,7 @@ private class Main @Inject constructor(
 
         var result = 0
         val latestVersionFuture = github.latestKobaltVersion
+
         val seconds = benchmarkSeconds {
             try {
                 result = runWithArgs(jc, args, argv)
@@ -95,8 +96,7 @@ private class Main @Inject constructor(
         if (! args.update) {
             log(1, if (result != 0) "BUILD FAILED: $result" else "BUILD SUCCESSFUL ($seconds seconds)")
 
-            // Check for new version
-            updateKobalt.checkForNewVersion(latestVersionFuture.get())
+            updateKobalt.checkForNewVersion(latestVersionFuture)
         }
         return result
     }

src/main/kotlin/com/beust/kobalt/app/UpdateKobalt.kt

@@ -6,6 +6,7 @@ import com.beust.kobalt.wrapper.Main
 import java.io.File
 import java.time.Duration
 import java.time.Instant
+import java.util.concurrent.Future
 import java.util.concurrent.TimeoutException
 import javax.inject.Inject
 
@@ -26,12 +27,16 @@ public class UpdateKobalt @Inject constructor(val github: GithubApi, val wrapper
         Main.main(arrayOf("--download", "--no-launch"))
     }
 
-    fun checkForNewVersion(latestVersionString: String) {
+    /**
+     * Accepts Future<String> as `latestVersionFuture` to allow getting `latestVersion` in the background
+     * */
+    fun checkForNewVersion(latestVersionFuture: Future<String>) {
         if(Kobalt.versionCheckTimeout
                 > Duration.between(wrapperProperties.versionLastChecked, Instant.now()))
             return  // waits `Kobalt.versionCheckTimeout` before the next check
 
         try {
+            val latestVersionString = latestVersionFuture.get()
             val latestVersion = Versions.toLongVersion(latestVersionString)
             val current = Versions.toLongVersion(Kobalt.version)
             val distFile = File(KFiles.joinDir(KFiles.distributionsDir, latestVersionString))