public bool TryWriteMultiPackIndex(ITracer tracer, GVFSEnlistment enlistment, PhysicalFileSystem fileSystem)
{
using (ITracer activity = tracer.StartActivity(nameof(this.TryWriteMultiPackIndex), EventLevel.Informational, Keywords.Telemetry, metadata: null))
{
GitProcess process = new GitProcess(enlistment);
GitProcess.Result result = process.WriteMultiPackIndex(enlistment.GitPackRoot);
if (!result.HasErrors)
{
string midxHash = result.Output.Trim();
activity.RelatedInfo("Updated midx-head to hash {0}", midxHash);
string expectedMidxHead = Path.Combine(enlistment.GitPackRoot, "midx-" + midxHash + ".midx");
List <string> midxFiles = new List <string>();
midxFiles.AddRange(fileSystem.GetFiles(enlistment.GitPackRoot, "midx-*.midx"));
midxFiles.AddRange(fileSystem.GetFiles(enlistment.GitPackRoot, "tmp_midx_*"));
foreach (string midxFile in midxFiles)
{
if (!midxFile.Equals(expectedMidxHead, StringComparison.OrdinalIgnoreCase) && !fileSystem.TryDeleteFile(midxFile))
{
activity.RelatedWarning("Failed to delete MIDX file {0}", midxFile);
}
}
}
else
{
EventMetadata errorMetadata = new EventMetadata();
errorMetadata.Add("Operation", nameof(this.TryWriteMultiPackIndex));
errorMetadata.Add("packDir", enlistment.GitPackRoot);
errorMetadata.Add("Errors", result.Errors);
errorMetadata.Add("Output", result.Output.Length > 1024 ? result.Output.Substring(1024) : result.Output);
activity.RelatedError(errorMetadata, result.Errors, Keywords.Telemetry);
}
return(!result.HasErrors);
}
}
