[Bug]Null Exception

[sanjivpurohit]

Describe the bug
Null Exception.
I am trying to generate a version on the branch. It works on the master.

Expected Behavior

Version must be generated.

Actual Behavior

Crashes with an exception

Possible Fix

Steps to Reproduce

Context

Your Environment

• Version Used: gitversion-osx-arm64-5.9.1-beta1-43
• Operating System and version (Windows 10, Ubuntu 18.04): Mac/Linux
• Link to your project:
• Link to your CI build (if appropriate):

  ERROR [04/04/22 21:18:52:16] An unexpected error occurred:
System.NullReferenceException: Object reference not set to an instance of an object.
   at GitVersion.RepositoryStore.<>c.<GetMergeCommitsForBranch>b__37_3(BranchCommit b) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Core/RepositoryStore.cs:line 504
   at System.Linq.EnumerableSorter`2.ComputeKeys(TElement[] elements, Int32 count)
   at System.Linq.EnumerableSorter`1.ComputeMap(TElement[] elements, Int32 count)
   at System.Linq.EnumerableSorter`1.Sort(TElement[] elements, Int32 count)
   at System.Linq.OrderedEnumerable`1.ToList()
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at GitVersion.RepositoryStore.GetMergeCommitsForBranch(IBranch branch, Config configuration, IEnumerable`1 excludedBranches) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Core/RepositoryStore.cs:line 483
   at GitVersion.RepositoryStore.FindCommitBranchWasBranchedFrom(IBranch branch, Config configuration, IBranch[] excludedBranches) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Core/RepositoryStore.cs:line 321
   at GitVersion.Configuration.BranchConfigurationCalculator.InheritBranchConfiguration(Int32 recursions, IBranch targetBranch, BranchConfig branchConfiguration, ICommit currentCommit, Config configuration, IList`1 excludedInheritBranches)
   at GitVersion.Configuration.BranchConfigurationCalculator.GetBranchConfigurationInternal(Int32 recursions, IBranch targetBranch, ICommit currentCommit, Config configuration, IList`1 excludedInheritBranches) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Configuration/BranchConfigurationCalculator.cs:line 54
   at GitVersion.Configuration.BranchConfigurationCalculator.GetBranchConfiguration(IBranch targetBranch, ICommit currentCommit, Config configuration, IList`1 excludedInheritBranches) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Configuration/BranchConfigurationCalculator.cs:line 28
   at GitVersion.GitVersionContextFactory.Create(GitVersionOptions gitVersionOptions) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Core/GitVersionContextFactory.cs:line 38
   at GitVersion.GitVersionCoreModule.<>c__DisplayClass0_0.<RegisterTypes>b__1() in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/GitVersionCoreModule.cs:line 37
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at System.Lazy`1.get_Value()
   at GitVersion.VersionCalculation.NextVersionCalculator.get_context() in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs:line 15
   at GitVersion.VersionCalculation.NextVersionCalculator.FindVersion() in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/VersionCalculation/NextVersionCalculator.cs:line 30
   at GitVersion.GitVersionCalculateTool.CalculateVersionVariables() in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.Core/Core/GitVersionCalculateTool.cs:line 52
   at GitVersion.GitVersionExecutor.RunGitVersionTool(GitVersionOptions gitVersionOptions) in /Users/runner/work/GitVersion/GitVersion/src/GitVersion.App/GitVersionExecutor.cs:line 66
  INFO [04/04/22 21:18:52:16] Attempting to show the current git graph (please include in issue): 
  INFO [04/04/22 21:18:52:16] Showing max of 100 commits
  INFO [04/04/22 21:18:52:26] * 1aeae519 4 hours ago  (origin/ss/ps_enum)

@asbjornu Thanks for fixing the previous null exception and this is a new one with the latest build.

[github-actions]

🎉 This issue has been resolved in version 5.10.0 🎉
The release is available on:

• GitHub Release
• Chocolatey Package
• .Net Global Tool

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