From 1e0eacbdc3ceb71fe5a2e63668475005cb284017 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Fri, 6 Oct 2023 14:46:13 +0100
Subject: [PATCH] fix parsing the baseline version for api diff.

suffixes like -rc1 would cause this to crash.
---
 nukebuild/BuildParameters.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nukebuild/BuildParameters.cs b/nukebuild/BuildParameters.cs
index 45cbf00798..74870885bc 100644
--- a/nukebuild/BuildParameters.cs
+++ b/nukebuild/BuildParameters.cs
@@ -111,7 +111,7 @@ public partial class Build
             // VERSION
             Version = b.ForceNugetVersion ?? GetVersion();
 
-            ApiValidationBaseline = b.ApiValidationBaseline ?? new Version(new Version(Version).Major, 0).ToString();
+            ApiValidationBaseline = b.ApiValidationBaseline ?? new Version(new Version(Version.Split('-', StringSplitOptions.None).First()).Major, 0).ToString();
             UpdateApiValidationSuppression = b.UpdateApiValidationSuppression ?? IsLocalBuild;
             
             if (IsRunningOnAzure)