Fix IDE import after switching to the long plugin version

tools/kotlin-native-gradle-plugin/build.gradle

@@ -19,8 +19,6 @@
  * built plugin to bintray repository.
  */
 
-import org.jetbrains.kotlin.konan.KonanVersion
-
 buildscript {
     ext.rootBuildDirectory = file('../../')
 
@@ -41,7 +39,6 @@ buildscript {
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
         classpath 'com.github.jengelman.gradle.plugins:shadow:4.0.4'
         classpath "com.gradle.publish:plugin-publish-plugin:0.9.10"
-        classpath "org.jetbrains.kotlin:kotlin-native-shared:$konanVersion"
     }
 }
 
@@ -54,12 +51,24 @@ apply plugin: 'com.github.johnrengelman.shadow'
 apply plugin: "com.gradle.plugin-publish"
 
 String determineVersion() {
+    // With Gradle 5.1 adding a dependency on the 'shared' build
+    // in this buildscript causes an IDE import error.
+    // So we are not able to use the KonanVersion API and
+    // have to manually construct the version.
+    // TODO: Remove this code when 'shared' is built separately (from a separate repo).
+    def meta = findProperty('konanMetaVersion') ?: 'dev'
     def overriddenVersion = findProperty('pluginVersionOverride') as String
+
     if (overriddenVersion != null && !overriddenVersion.empty) {
         return overriddenVersion
-    } else {
-        return "$kotlinVersion-native-${KonanVersion.Companion.CURRENT.toString()}"
     }
+
+    def buildNumber = findProperty("build.number")?.tokenize('-')?.get(2)
+    def result = "$kotlinVersion-native-$konanVersion-$meta"
+    if (buildNumber != null) {
+        result += "-$buildNumber"
+    }
+    return result
 }
 
 group = 'org.jetbrains.kotlin'