I was running the pipeline with a simple task to install the git and check the version by the following tasks.
Everything was running well till the time I created another temporary pipeline with the same yaml file for some additional tests and development.
I did not change anything from the yaml file which is running green still, with the same tasks.
But the execute task in the new pipeline fails with an 'unexpected' error
steps:
- task: gitversion/setup@0
displayName: Install GitVersion
inputs:
versionSpec: "5.10.x"
- task: gitversion/execute@0
displayName: Determine Version
inputs:
useConfigFile: true
configFilePath: ./gitversion.yml
The output looks like this:
Command: dotnet-gitversion /agent/_work/26/s /output json /output buildserver /config /agent/_work/26/s/gitversion.yml
/opt/hostedtoolcache/GitVersion.Tool/5.10.3/x64/dotnet-gitversion /agent/_work/26/s /output json /output buildserver /config /agent/_work/26/s/gitversion.yml
ERROR [09/20/22 12:54:22:24] An unexpected error occurred:
System.NullReferenceException: Object reference not set to an instance of an object.
at LibGit2Sharp.Core.Handles.ObjectHandle.op_Implicit(ObjectHandle handle) in /_/LibGit2Sharp/Core/Handles/Objects.cs:line 509
at LibGit2Sharp.Core.Proxy.git_commit_author(ObjectHandle obj) in /_/LibGit2Sharp/Core/Proxy.cs:line 289
at LibGit2Sharp.Core.LazyGroup`1.Dependent`2.LibGit2Sharp.Core.LazyGroup<T>.IEvaluator<TInput>.Evaluate(TInput input) in /_/LibGit2Sharp/Core/LazyGroup.cs:line 88
at LibGit2Sharp.Core.LazyGroup`1.<Evaluate>b__6_0(T input) in /_/LibGit2Sharp/Core/LazyGroup.cs:line 36
at LibGit2Sharp.Core.GitObjectLazyGroup.EvaluateInternal(Action`1 evaluator) in /_/LibGit2Sharp/Core/GitObjectLazyGroup.cs:line 20
at LibGit2Sharp.Core.LazyGroup`1.Evaluate() in /_/LibGit2Sharp/Core/LazyGroup.cs:line 34
at LibGit2Sharp.Core.LazyGroup`1.Dependent`2.Evaluate() in /_/LibGit2Sharp/Core/LazyGroup.cs:line 80
at LibGit2Sharp.Core.LazyGroup`1.Dependent`2.get_Value() in /_/LibGit2Sharp/Core/LazyGroup.cs:line 73
at LibGit2Sharp.Commit.get_Committer() in /_/LibGit2Sharp/Commit.cs:line 87
at GitVersion.Commit..ctor(Commit innerCommit) in D:\a\GitVersion\GitVersion\src\GitVersion.LibGit2Sharp\Git\Commit.cs:line 17
at GitVersion.Commit.<>c.<.ctor>b__3_0(Commit parent) in D:\a\GitVersion\GitVersion\src\GitVersion.LibGit2Sharp\Git\Commit.cs:line 16
at System.Linq.Enumerable.SelectEnumerableIterator`2.MoveNext()
at System.Linq.Enumerable.Count[TSource](IEnumerable`1 source)
at GitVersion.Configuration.BranchConfigurationCalculator.InheritBranchConfiguration(Int32 recursions, IBranch targetBranch, BranchConfig branchConfiguration, ICommit currentCommit, Config configuration, IList`1 excludedInheritBranches) in D:\a\GitVersion\GitVersion\src\GitVersion.Core\Configuration\BranchConfigurationCalculator.cs:line 77
at GitVersion.Configuration.BranchConfigurationCalculator.GetBranchConfigurationInternal(Int32 recursions, IBranch targetBranch, ICommit currentCommit, Config configuration, IList`1 excludedInheritBranches) in D:\a\GitVersion\GitVersion\src\GitVersion.Core\Configuration\BranchConfigurationCalculator.cs:line 54
....
System.NullReferenceException: Object reference not set to an instance of an object.
at GitVersion.GitVersionCalculateTool.CalculateVersionVariables() in D:\a\GitVersion\GitVersion\src\GitVersion.Core\Core\GitVersionCalculateTool.cs:line 52
at LibGit2Sharp.Core.Handles.ObjectHandle.op_Implicit(ObjectHandle handle) in /_/LibGit2Sharp/Core/Handles/Objects.cs:line 509
at GitVersion.GitVersionExecutor.RunGitVersionTool(GitVersionOptions gitVersionOptions) in D:\a\GitVersion\GitVersion\src\GitVersion.App\GitVersionExecutor.cs:line 66
at LibGit2Sharp.Core.Proxy.git_commit_author(ObjectHandle obj) in /_/LibGit2Sharp/Core/Proxy.cs:line 289
at LibGit2Sharp.Core.LazyGroup`1.Dependent`2.LibGit2Sharp.Core.LazyGroup<T>.IEvaluator<TInput>.Evaluate(TInput input) in /_/LibGit2Sharp/Core/LazyGroup.cs:line 88
at LibGit2Sharp.Core.LazyGroup`1.<Evaluate>b__6_0(T input) in /_/LibGit2Sharp/Core/LazyGroup.cs:line 36
at LibGit2Sharp.Core.GitObjectLazyGroup.EvaluateInternal(Action`1 evaluator) in /_/LibGit2Sharp/Core/GitObjectLazyGroup.cs:line 20
at LibGit2Sharp.Core.LazyGroup`1.Evaluate() in /_/LibGit2Sharp/Core/LazyGroup.cs:line 34
.....
at GitVersion.VersionCalculation.NextVersionCalculator.get_context() in D:\a\GitVersion\GitVersion\src\GitVersion.Core\VersionCalculation\NextVersionCalculator.cs:line 15
at GitVersion.VersionCalculation.NextVersionCalculator.FindVersion() in D:\a\GitVersion\GitVersion\src\GitVersion.Core\VersionCalculation\NextVersionCalculator.cs:line 30
at GitVersion.GitVersionCalculateTool.CalculateVersionVariables() in D:\a\GitVersion\GitVersion\src\GitVersion.Core\Core\GitVersionCalculateTool.cs:line 52
at GitVersion.GitVersionExecutor.RunGitVersionTool(GitVersionOptions gitVersionOptions) in D:\a\GitVersion\GitVersion\src\GitVersion.App\GitVersionExecutor.cs:line 66
INFO [09/20/22 9:44:27:78] Attempting to show the current git graph (please include in issue):
INFO [09/20/22 9:44:27:78] Showing max of 100 commits
INFO [09/20/22 9:44:27:80] * 03932e8 2 hours ago (grafted, HEAD -> feature/legok8sdeploy, origin/03932e8129e442c335e9ffd69a88b0ce4df3a3f0, 03932e8129e442c335e9ffd69a88b0ce4df3a3f0)
INFO [09/20/22 9:44:27:82] Done writing
##[error]SyntaxError: Unexpected end of JSON input
The error doesn't seem to be very intuitive.
I could find a GitHub issue opened here:
https://github.com/GitTools/GitVersion/issues/3081
But this doesn't give any solution to resolve and make the task green again.
Note: I'm running it from my branch and not main.
