From 3089bb1ebdea5c87c2358d4aab8cc7da657e74ad Mon Sep 17 00:00:00 2001
From: Chris Philips <chris.philips@traxretail.com>
Date: Wed, 15 Nov 2023 13:35:07 -0800
Subject: [PATCH] fix: allow null version

the only way this is valid is if rollForward is `latestMajor`, which is the only value that the global.json spec says doesn't require a version to be specified
---
 src/setup-dotnet.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/setup-dotnet.ts b/src/setup-dotnet.ts
index 092bf59..0e8edb6 100644
--- a/src/setup-dotnet.ts
+++ b/src/setup-dotnet.ts
@@ -111,7 +111,7 @@ function getVersionFromGlobalJson(globalJsonPath: string): string {
     version = globalJson.sdk.version;
     const rollForward = globalJson.sdk.rollForward;
     if (rollForward && rollForward.startsWith('latest')) {
-      const [major, minor, featurePatch] = version.split('.');
+      const [major, minor, featurePatch] = (version || '').split('.');
       const feature = featurePatch.substring(0, 1);
       
       switch (rollForward) {