repro steps for issue GitTools#3020

src/GitVersion.Core.Tests/IntegrationTests/Issue3020FailedToInherit.cs

@@ -0,0 +1,77 @@
+using GitTools.Testing;
+using GitVersion.Core.Tests.Helpers;
+using GitVersion.Extensions;
+using GitVersion.Model.Configuration;
+using GitVersion.VersionCalculation;
+using LibGit2Sharp;
+using NUnit.Framework;
+using Shouldly;
+
+namespace GitVersion.Core.Tests.IntegrationTests;
+
+public class Issue3020FailedToInherit : TestBase
+{
+    private readonly Config config = new()
+    {
+        VersioningMode = VersioningMode.ContinuousDeployment,
+        Branches = new Dictionary<string, BranchConfig>
+        {
+            { MainBranch, new BranchConfig { Tag = "beta", Increment = IncrementStrategy.Minor } },
+            { "pull-request", new BranchConfig { Tag = "alpha-pr" } },
+            { "support", new BranchConfig { Tag = "beta" } }
+        }
+    };
+
+    [Test]
+    public void LocalOnly()
+    {
+        var fixture = PrepareLocalRepo();
+
+        fixture.AssertFullSemver("1.0.2-alpha-pr0002.2", config);
+
+        fixture.Repository.DumpGraph();
+    }
+
+    [Test]
+    public void WithRemote()
+    {
+        var fixture = PrepareLocalRepo();
+
+        var local = fixture.CloneRepository();
+        local.Checkout("origin/hotfix/v1.0.2");
+        local.BranchTo("hotfix/v1.0.2", "hotfix");
+        local.Checkout("origin/support/v1.0.x");
+        local.BranchTo("support/v1.0.x", "support");
+        local.Checkout("origin/main");
+        local.BranchTo("main", "main");
+        local.Checkout("pull/2/merge");
+
+        local.AssertFullSemver("1.0.2-alpha-pr0002.2", config);
+
+        local.Repository.DumpGraph();
+    }
+
+    private static RepositoryFixtureBase PrepareLocalRepo()
+    {
+        var fixture = new EmptyRepositoryFixture();
+
+        fixture.Repository.MakeACommit("First commit");
+        fixture.Repository.ApplyTag("v1.0.0", new Signature("Michael Denny", "micdenny@gmail.com", DateTimeOffset.Now), "Release v1.0.0");
+
+        fixture.Repository.MakeACommit("Merged PR 1: new feature");
+
+        fixture.Checkout("tags/v1.0.0");
+        fixture.BranchTo("support/v1.0.x", "support");
+        fixture.Repository.MakeACommit("hotfix 1");
+        fixture.Repository.ApplyTag("v1.0.1", new Signature("Michael Denny", "micdenny@gmail.com", DateTimeOffset.Now), "hotfix 1");
+
+        fixture.BranchTo("hotfix/v1.0.2", "hotfix");
+        fixture.Repository.MakeACommit("hotfix 2");
+
+        fixture.Checkout("support/v1.0.x");
+        fixture.BranchTo("pull/2/merge", "pr-merge");
+        fixture.MergeNoFF("hotfix/v1.0.2");
+
+        return fixture;
+    }
+}