From ce2a469a8805e6d673dcf644a364145c1abfd286 Mon Sep 17 00:00:00 2001
From: Nikita Bobko <nikita.bobko@jetbrains.com>
Date: Wed, 2 Feb 2022 14:12:29 +0100
Subject: [PATCH] coop dev: make it obvious how to resolve problems with
 outdated iml mapping

---
 settings.gradle | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/settings.gradle b/settings.gradle
index 5c2e5f3c6c9..1f692396b8f 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -385,7 +385,12 @@ void intellij(String imlPath) {
     imlFile = imlFile.exists() ? imlFile : new File("${rootDir}/intellij/plugins/kotlin/${imlPath}")
     imlFile = imlFile.exists() ? imlFile : new File("${rootDir}/intellij/community/${imlPath}")
     imlFile = imlFile.exists() ? imlFile : new File("${rootDir}/intellij/${imlPath}")
-    assert imlFile.exists()
+    if (!imlFile.exists()) {
+        throw new IllegalStateException("$imlFile doesn't exist. Please, update mapping in settings.gradle. And regenerate " +
+                "build.gradle files in kt-branch in 'intellij' repo (./gradlew generateIdePluginGradleFiles). Or you can " +
+                "remove 'attachedIntellijVersion' in your 'local.properties' if you don't care about being possible to" +
+                "browse Kotlin plugin sources in scope of Kotlin compiler sources")
+    }
     String fileName = imlFile.name
     String projectName = ":kotlin-ide.${fileName.substring(0, fileName.length() - ".iml".length())}"
     include(projectName)