Simplify building with different Intellij Platform dependencies versions

Author: ARTI1208

build.gradle.kts

@@ -40,6 +40,7 @@ subprojects {
   repositories {
     mavenCentral()
     maven("https://www.jetbrains.com/intellij-repository/releases")
+    maven("https://www.jetbrains.com/intellij-repository/snapshots")
     maven("https://cache-redirector.jetbrains.com/intellij-dependencies")
   }
 

buildSrc/build.gradle.kts

@@ -21,12 +21,33 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+
+import java.util.*
+
 plugins {
   `kotlin-dsl`
 }
 
 repositories {
   mavenCentral()
+  maven("https://www.jetbrains.com/intellij-repository/releases")
+  maven("https://www.jetbrains.com/intellij-repository/snapshots")
+  maven("https://cache-redirector.jetbrains.com/intellij-dependencies")
+}
+
+
+val gradleProperties = Properties()
+val gradlePropertiesFile = project.file("../gradle.properties")
+if (gradlePropertiesFile.canRead()) {
+  gradleProperties.load(gradlePropertiesFile.inputStream())
+}
+
+val intellijPlatformVersion: String by gradleProperties
+
+dependencies {
+  implementation("com.jetbrains.intellij.platform:core:$intellijPlatformVersion") {
+    exclude(group = "org.jetbrains.kotlin") // cannot find these dependencies
+  }
 }
 
 kotlin {

projector-util-loading/build.gradle.kts

@@ -21,6 +21,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+import com.intellij.openapi.util.BuildNumber
+
 plugins {
   kotlin("jvm")
   `maven-publish`
@@ -38,13 +40,21 @@ publishToSpace("java")
 val coroutinesVersion: String by project
 val intellijPlatformVersion: String by project
 
+val intelliJVersionRemovedSuffix = intellijPlatformVersion.takeWhile { it.isDigit() || it == '.' } // in case of EAP
+val intellijPlatformBuildNumber = BuildNumber.fromString(intelliJVersionRemovedSuffix)!!
+
 dependencies {
   api(project(":projector-util-logging"))
 
   implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion")
 
   compileOnly("com.jetbrains.intellij.platform:bootstrap:$intellijPlatformVersion")
-  compileOnly("com.jetbrains.intellij.platform:util-base:$intellijPlatformVersion")
+
+  if (intellijPlatformBuildNumber >= BuildNumber.fromString("213.6461.77")!!) {
+    compileOnly("com.jetbrains.intellij.platform:util-base:$intellijPlatformVersion")
+  } else {
+    compileOnly("com.jetbrains.intellij.platform:util-diagnostic:$intellijPlatformVersion")
+  }
 
   testImplementation(kotlin("test"))
 }