From 60de537fa8a54789f66a9266e2335f6f5dda7aa9 Mon Sep 17 00:00:00 2001
From: Gary Ewan Park <gep13@gep13.co.uk>
Date: Mon, 1 Feb 2021 21:56:49 +0000
Subject: [PATCH] (GH-2456) Testing stuff out just now

Will rebase with proper commit message and tests later.
---
 .../VersionCalculation/NextVersionCalculator.cs      | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs b/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs
index a4d50b0589..7589b16c53 100644
--- a/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs
+++ b/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs
@@ -56,6 +56,7 @@ public SemanticVersion FindVersion()
             }
 
             var baseVersion = baseVersionCalculator.GetBaseVersion();
+            baseVersion.SemanticVersion.BuildMetaData = mainlineVersionCalculator.CreateVersionBuildMetaData(baseVersion.BaseVersionSource);
             SemanticVersion semver;
             if (context.Configuration.VersioningMode == VersioningMode.Mainline)
             {
@@ -63,8 +64,15 @@ public SemanticVersion FindVersion()
             }
             else
             {
-                semver = PerformIncrement(baseVersion);
-                semver.BuildMetaData = mainlineVersionCalculator.CreateVersionBuildMetaData(baseVersion.BaseVersionSource);
+                if (taggedSemanticVersion?.BuildMetaData == null || (taggedSemanticVersion.BuildMetaData.Sha != baseVersion.SemanticVersion.BuildMetaData.Sha))
+                {
+                    semver = PerformIncrement(baseVersion);
+                    semver.BuildMetaData = mainlineVersionCalculator.CreateVersionBuildMetaData(baseVersion.BaseVersionSource);
+                }
+                else
+                {
+                    semver = baseVersion.SemanticVersion;
+                }
             }
 
             var hasPreReleaseTag = semver.PreReleaseTag.HasTag();