From 1dd5523f7702bb12bf062d621bb994f339ff4709 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Wed, 29 Jan 2020 16:53:44 +0100
Subject: [PATCH] [platform] another NPE on detecting a name of a project
 located in a Windows disk root

GitOrigin-RevId: 2ef104eb03cb95d985a77685c2fdce2e59572084
---
 jps/model-api/src/org/jetbrains/jps/util/JpsPathUtil.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/jps/model-api/src/org/jetbrains/jps/util/JpsPathUtil.java b/jps/model-api/src/org/jetbrains/jps/util/JpsPathUtil.java
index fa425f1187e1..b5b25dabe1be 100644
--- a/jps/model-api/src/org/jetbrains/jps/util/JpsPathUtil.java
+++ b/jps/model-api/src/org/jetbrains/jps/util/JpsPathUtil.java
@@ -99,6 +99,12 @@ public class JpsPathUtil {
 
   public static @NotNull String getDefaultProjectName(@NotNull Path projectDir) {
     Path parent = projectDir.getParent();
-    return parent != null ? parent.getFileName().toString() : UNNAMED_PROJECT;
+    if (parent != null) {
+      Path name = parent.getFileName();  // `null` when parent is a Windows disk root
+      return name != null ? name.toString() : parent.toString();
+    }
+    else {
+      return UNNAMED_PROJECT;
+    }
   }
 }
\ No newline at end of file