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Add global named mutex to prevent concurrent use #2669

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Merged
merged 2 commits into from
Apr 28, 2021
Merged

Add global named mutex to prevent concurrent use #2669

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0cc9309
Add global mutex to prevent concurrent use
bording Apr 21, 2021
df0d8de
Use Path.DirectorySeparatorChar to create mutex name
bording Apr 28, 2021
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13 changes: 13 additions & 0 deletions src/GitVersion.App/GitVersionExecutor.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
using System;
using System.IO;
using System.Reflection;
using System.Threading;
using GitVersion.Configuration;
using GitVersion.Extensions;
using GitVersion.Logging;
Expand Down Expand Up @@ -56,8 +57,16 @@ public int Execute(GitVersionOptions gitVersionOptions)

private int RunGitVersionTool(GitVersionOptions gitVersionOptions)
{
var mutexName = gitVersionOptions.WorkingDirectory.Replace(Path.DirectorySeparatorChar.ToString(), "");
using var mutex = new Mutex(true, $@"Global\{mutexName}", out var acquired);

try
{
if (!acquired)
{
mutex.WaitOne();
}

var variables = gitVersionCalculateTool.CalculateVersionVariables();

var configuration = configProvider.Provide(overrideConfig: gitVersionOptions.ConfigInfo.OverrideConfig);
Expand Down Expand Up @@ -92,6 +101,10 @@ private int RunGitVersionTool(GitVersionOptions gitVersionOptions)
}
return 1;
}
finally
{
mutex.ReleaseMutex();
}

return 0;
}
Expand Down