private JsonTracer CreateTracer(GVFSEnlistment enlistment, EventLevel verbosity, Keywords keywords)
{
string enlistmentId = null;
string mountId = null;
GitProcess git = new GitProcess(enlistment);
GitProcess.ConfigResult configResult = git.GetFromLocalConfig(GVFSConstants.GitConfig.EnlistmentId);
if (configResult.TryParseAsString(out enlistmentId, out string _, defaultValue: string.Empty))
{
enlistmentId = enlistmentId.Trim();
}
configResult = git.GetFromLocalConfig(GVFSConstants.GitConfig.MountId);
if (configResult.TryParseAsString(out mountId, out string _, defaultValue: string.Empty))
{
mountId = mountId.Trim();
}
JsonTracer tracer = new JsonTracer(GVFSConstants.GVFSEtwProviderName, "GVFSMount", enlistmentId: enlistmentId, mountId: mountId);
tracer.AddLogFileEventListener(
GVFSEnlistment.GetNewGVFSLogFileName(enlistment.GVFSLogsRoot, GVFSConstants.LogFileTypes.MountProcess),
verbosity,
keywords);
if (this.ShowDebugWindow)
{
tracer.AddDiagnosticConsoleEventListener(verbosity, keywords);
}
return(tracer);
}
private JsonTracer CreateTracer(GVFSEnlistment enlistment, EventLevel verbosity, Keywords keywords)
{
JsonTracer tracer = new JsonTracer(GVFSConstants.GVFSEtwProviderName, "GVFSMount", enlistment.GetEnlistmentId(), enlistment.GetMountId());
tracer.AddLogFileEventListener(
GVFSEnlistment.GetNewGVFSLogFileName(enlistment.GVFSLogsRoot, GVFSConstants.LogFileTypes.MountProcess),
verbosity,
keywords);
if (this.ShowDebugWindow)
{
tracer.AddDiagnosticConsoleEventListener(verbosity, keywords);
}
return(tracer);
}
protected override void Execute(GVFSEnlistment enlistment)
{
using (JsonTracer tracer = new JsonTracer(GVFSConstants.GVFSEtwProviderName, "Prefetch"))
{
if (this.Verbose)
{
tracer.AddDiagnosticConsoleEventListener(EventLevel.Informational, Keywords.Any);
}
string cacheServerUrl = CacheServerResolver.GetUrlFromConfig(enlistment);
tracer.AddLogFileEventListener(
GVFSEnlistment.GetNewGVFSLogFileName(enlistment.GVFSLogsRoot, GVFSConstants.LogFileTypes.Prefetch),
EventLevel.Informational,
Keywords.Any);
tracer.WriteStartEvent(
enlistment.EnlistmentRoot,
enlistment.RepoUrl,
cacheServerUrl);
RetryConfig retryConfig = this.GetRetryConfig(tracer, enlistment, TimeSpan.FromMinutes(RetryConfig.FetchAndCloneTimeoutMinutes));
CacheServerInfo cacheServer = this.ResolvedCacheServer;
GVFSConfig gvfsConfig = this.GVFSConfig;
if (!this.SkipVersionCheck)
{
string authErrorMessage;
if (!this.ShowStatusWhileRunning(
() => enlistment.Authentication.TryRefreshCredentials(tracer, out authErrorMessage),
"Authenticating"))
{
this.ReportErrorAndExit(tracer, "Unable to prefetch because authentication failed");
}
if (gvfsConfig == null)
{
gvfsConfig = this.QueryGVFSConfig(tracer, enlistment, retryConfig);
}
if (cacheServer == null)
{
CacheServerResolver cacheServerResolver = new CacheServerResolver(tracer, enlistment);
cacheServer = cacheServerResolver.ResolveNameFromRemote(cacheServerUrl, gvfsConfig);
}
this.ValidateClientVersions(tracer, enlistment, gvfsConfig, showWarnings: false);
this.Output.WriteLine("Configured cache server: " + cacheServer);
}
this.InitializeLocalCacheAndObjectsPaths(tracer, enlistment, retryConfig, gvfsConfig, cacheServer);
try
{
EventMetadata metadata = new EventMetadata();
metadata.Add("Commits", this.Commits);
metadata.Add("Files", this.Files);
metadata.Add("Folders", this.Folders);
metadata.Add("FoldersListFile", this.FoldersListFile);
metadata.Add("HydrateFiles", this.HydrateFiles);
tracer.RelatedEvent(EventLevel.Informational, "PerformPrefetch", metadata);
GitObjectsHttpRequestor objectRequestor = new GitObjectsHttpRequestor(tracer, enlistment, cacheServer, retryConfig);
if (this.Commits)
{
if (!string.IsNullOrWhiteSpace(this.Files) ||
!string.IsNullOrWhiteSpace(this.Folders) ||
!string.IsNullOrWhiteSpace(this.FoldersListFile))
{
this.ReportErrorAndExit(tracer, "You cannot prefetch commits and blobs at the same time.");
}
if (this.HydrateFiles)
{
this.ReportErrorAndExit(tracer, "You can only specify --hydrate with --files or --folders");
}
PhysicalFileSystem fileSystem = new PhysicalFileSystem();
using (FileBasedLock prefetchLock = new FileBasedLock(
fileSystem,
tracer,
Path.Combine(enlistment.GitPackRoot, PrefetchCommitsAndTreesLock),
enlistment.EnlistmentRoot,
overwriteExistingLock: true))
{
this.WaitUntilLockIsAcquired(tracer, prefetchLock);
this.PrefetchCommits(tracer, enlistment, objectRequestor, cacheServer);
}
}
else
{
this.PrefetchBlobs(tracer, enlistment, objectRequestor, cacheServer);
}
}
catch (VerbAbortedException)
{
throw;
}
catch (AggregateException aggregateException)
{
this.Output.WriteLine(
"Cannot prefetch {0}. " + ConsoleHelper.GetGVFSLogMessage(enlistment.EnlistmentRoot),
enlistment.EnlistmentRoot);
foreach (Exception innerException in aggregateException.Flatten().InnerExceptions)
{
tracer.RelatedError(
new EventMetadata
{
{ "Verb", typeof(PrefetchVerb).Name },
{ "Exception", innerException.ToString() }
},
$"Unhandled {innerException.GetType().Name}: {innerException.Message}");
}
Environment.ExitCode = (int)ReturnCode.GenericError;
}
catch (Exception e)
{
this.Output.WriteLine(
"Cannot prefetch {0}. " + ConsoleHelper.GetGVFSLogMessage(enlistment.EnlistmentRoot),
enlistment.EnlistmentRoot);
tracer.RelatedError(
new EventMetadata
{
{ "Verb", typeof(PrefetchVerb).Name },
{ "Exception", e.ToString() }
},
$"Unhandled {e.GetType().Name}: {e.Message}");
Environment.ExitCode = (int)ReturnCode.GenericError;
}
}
}
private int ExecuteWithExitCode()
{
// CmdParser doesn't strip quotes, and Path.Combine will throw
this.GitBinPath = this.GitBinPath.Replace("\"", string.Empty);
if (!GVFSPlatform.Instance.GitInstallation.GitExists(this.GitBinPath))
{
Console.WriteLine(
"Could not find git.exe {0}",
!string.IsNullOrWhiteSpace(this.GitBinPath) ? "at " + this.GitBinPath : "on %PATH%");
return(ExitFailure);
}
if (this.Commit != null && this.Branch != null)
{
Console.WriteLine("Cannot specify both a commit sha and a branch name.");
return(ExitFailure);
}
if (this.ForceCheckout && !this.Checkout)
{
Console.WriteLine("Cannot use --force-checkout option without --checkout option.");
return(ExitFailure);
}
this.SearchThreadCount = this.SearchThreadCount > 0 ? this.SearchThreadCount : Environment.ProcessorCount;
this.DownloadThreadCount = this.DownloadThreadCount > 0 ? this.DownloadThreadCount : Math.Min(Environment.ProcessorCount, MaxDefaultDownloadThreads);
this.IndexThreadCount = this.IndexThreadCount > 0 ? this.IndexThreadCount : Environment.ProcessorCount;
this.CheckoutThreadCount = this.CheckoutThreadCount > 0 ? this.CheckoutThreadCount : Environment.ProcessorCount;
this.GitBinPath = !string.IsNullOrWhiteSpace(this.GitBinPath) ? this.GitBinPath : GVFSPlatform.Instance.GitInstallation.GetInstalledGitBinPath();
GitEnlistment enlistment = GitEnlistment.CreateFromCurrentDirectory(this.GitBinPath);
if (enlistment == null)
{
Console.WriteLine("Must be run within a git repo");
return(ExitFailure);
}
string commitish = this.Commit ?? this.Branch;
if (string.IsNullOrWhiteSpace(commitish))
{
GitProcess.Result result = new GitProcess(enlistment).GetCurrentBranchName();
if (result.ExitCodeIsFailure || string.IsNullOrWhiteSpace(result.Output))
{
Console.WriteLine("Could not retrieve current branch name: " + result.Errors);
return(ExitFailure);
}
commitish = result.Output.Trim();
}
Guid parentActivityId = Guid.Empty;
if (!string.IsNullOrWhiteSpace(this.ParentActivityId) && !Guid.TryParse(this.ParentActivityId, out parentActivityId))
{
Console.WriteLine("The ParentActivityId provided (" + this.ParentActivityId + ") is not a valid GUID.");
}
using (JsonTracer tracer = new JsonTracer("Microsoft.Git.FastFetch", parentActivityId, "FastFetch", enlistmentId: null, mountId: null, disableTelemetry: true))
{
if (this.Verbose)
{
tracer.AddDiagnosticConsoleEventListener(EventLevel.Informational, Keywords.Any);
}
else
{
tracer.AddPrettyConsoleEventListener(EventLevel.Error, Keywords.Any);
}
string fastfetchLogFile = Enlistment.GetNewLogFileName(enlistment.FastFetchLogRoot, "fastfetch");
tracer.AddLogFileEventListener(fastfetchLogFile, EventLevel.Informational, Keywords.Any);
CacheServerInfo cacheServer = new CacheServerInfo(this.GetRemoteUrl(enlistment), null);
tracer.WriteStartEvent(
enlistment.EnlistmentRoot,
enlistment.RepoUrl,
cacheServer.Url,
new EventMetadata
{
{ "TargetCommitish", commitish },
{ "Checkout", this.Checkout },
});
string error;
if (!enlistment.Authentication.TryInitialize(tracer, enlistment, out error))
{
tracer.RelatedError(error);
Console.WriteLine(error);
return(ExitFailure);
}
RetryConfig retryConfig = new RetryConfig(this.MaxAttempts, TimeSpan.FromMinutes(RetryConfig.FetchAndCloneTimeoutMinutes));
BlobPrefetcher prefetcher = this.GetFolderPrefetcher(tracer, enlistment, cacheServer, retryConfig);
if (!BlobPrefetcher.TryLoadFolderList(enlistment, this.FolderList, this.FolderListFile, prefetcher.FolderList, out error))
{
tracer.RelatedError(error);
Console.WriteLine(error);
return(ExitFailure);
}
bool isSuccess;
try
{
Func <bool> doPrefetch =
() =>
{
try
{
bool isBranch = this.Commit == null;
prefetcher.Prefetch(commitish, isBranch);
return(!prefetcher.HasFailures);
}
catch (BlobPrefetcher.FetchException e)
{
tracer.RelatedError(e.Message);
return(false);
}
};
if (this.Verbose)
{
isSuccess = doPrefetch();
}
else
{
isSuccess = ConsoleHelper.ShowStatusWhileRunning(
doPrefetch,
"Fetching",
output: Console.Out,
showSpinner: !Console.IsOutputRedirected,
gvfsLogEnlistmentRoot: null);
Console.WriteLine();
Console.WriteLine("See the full log at " + fastfetchLogFile);
}
isSuccess &= !prefetcher.HasFailures;
}
catch (AggregateException e)
{
isSuccess = false;
foreach (Exception ex in e.Flatten().InnerExceptions)
{
tracer.RelatedError(ex.ToString());
}
}
catch (Exception e)
{
isSuccess = false;
tracer.RelatedError(e.ToString());
}
EventMetadata stopMetadata = new EventMetadata();
stopMetadata.Add("Success", isSuccess);
tracer.Stop(stopMetadata);
return(isSuccess ? ExitSuccess : ExitFailure);
}
}
protected override void Execute(GVFSEnlistment enlistment)
{
using (JsonTracer tracer = new JsonTracer(GVFSConstants.GVFSEtwProviderName, "Prefetch"))
{
if (this.Verbose)
{
tracer.AddDiagnosticConsoleEventListener(EventLevel.Informational, Keywords.Any);
}
string cacheServerUrl = CacheServerResolver.GetUrlFromConfig(enlistment);
tracer.AddLogFileEventListener(
GVFSEnlistment.GetNewGVFSLogFileName(enlistment.GVFSLogsRoot, GVFSConstants.LogFileTypes.Prefetch),
EventLevel.Informational,
Keywords.Any);
tracer.WriteStartEvent(
enlistment.EnlistmentRoot,
enlistment.RepoUrl,
cacheServerUrl);
try
{
EventMetadata metadata = new EventMetadata();
metadata.Add("Commits", this.Commits);
metadata.Add("Files", this.Files);
metadata.Add("Folders", this.Folders);
metadata.Add("FileListFile", this.FilesListFile);
metadata.Add("FoldersListFile", this.FoldersListFile);
metadata.Add("FilesFromStdIn", this.FilesFromStdIn);
metadata.Add("FoldersFromStdIn", this.FoldersFromStdIn);
metadata.Add("HydrateFiles", this.HydrateFiles);
tracer.RelatedEvent(EventLevel.Informational, "PerformPrefetch", metadata);
if (this.Commits)
{
if (!string.IsNullOrWhiteSpace(this.Files) ||
!string.IsNullOrWhiteSpace(this.Folders) ||
!string.IsNullOrWhiteSpace(this.FoldersListFile) ||
!string.IsNullOrWhiteSpace(this.FilesListFile) ||
this.FilesFromStdIn ||
this.FoldersFromStdIn)
{
this.ReportErrorAndExit(tracer, "You cannot prefetch commits and blobs at the same time.");
}
if (this.HydrateFiles)
{
this.ReportErrorAndExit(tracer, "You can only specify --hydrate with --files or --folders");
}
GitObjectsHttpRequestor objectRequestor;
CacheServerInfo cacheServer;
this.InitializeServerConnection(
tracer,
enlistment,
cacheServerUrl,
out objectRequestor,
out cacheServer);
this.PrefetchCommits(tracer, enlistment, objectRequestor, cacheServer);
}
else
{
string headCommitId;
List <string> filesList;
List <string> foldersList;
FileBasedDictionary <string, string> lastPrefetchArgs;
this.LoadBlobPrefetchArgs(tracer, enlistment, out headCommitId, out filesList, out foldersList, out lastPrefetchArgs);
if (BlobPrefetcher.IsNoopPrefetch(tracer, lastPrefetchArgs, headCommitId, filesList, foldersList, this.HydrateFiles))
{
Console.WriteLine("All requested files are already available. Nothing new to prefetch.");
}
else
{
GitObjectsHttpRequestor objectRequestor;
CacheServerInfo cacheServer;
this.InitializeServerConnection(
tracer,
enlistment,
cacheServerUrl,
out objectRequestor,
out cacheServer);
this.PrefetchBlobs(tracer, enlistment, headCommitId, filesList, foldersList, lastPrefetchArgs, objectRequestor, cacheServer);
}
}
}
catch (VerbAbortedException)
{
throw;
}
catch (AggregateException aggregateException)
{
this.Output.WriteLine(
"Cannot prefetch {0}. " + ConsoleHelper.GetGVFSLogMessage(enlistment.EnlistmentRoot),
enlistment.EnlistmentRoot);
foreach (Exception innerException in aggregateException.Flatten().InnerExceptions)
{
tracer.RelatedError(
new EventMetadata
{
{ "Verb", typeof(PrefetchVerb).Name },
{ "Exception", innerException.ToString() }
},
$"Unhandled {innerException.GetType().Name}: {innerException.Message}");
}
Environment.ExitCode = (int)ReturnCode.GenericError;
}
catch (Exception e)
{
this.Output.WriteLine(
"Cannot prefetch {0}. " + ConsoleHelper.GetGVFSLogMessage(enlistment.EnlistmentRoot),
enlistment.EnlistmentRoot);
tracer.RelatedError(
new EventMetadata
{
{ "Verb", typeof(PrefetchVerb).Name },
{ "Exception", e.ToString() }
},
$"Unhandled {e.GetType().Name}: {e.Message}");
Environment.ExitCode = (int)ReturnCode.GenericError;
}
}
}