public static bool TryLoadFileList(Enlistment enlistment, string filesInput, List <string> fileListOutput, out string error)
{
fileListOutput.AddRange(
filesInput.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)
.Select(path => FetchHelper.ToAbsolutePath(enlistment, path, isFolder: false)));
foreach (string file in fileListOutput)
{
if (file.IndexOf('*', 1) != -1)
{
error = "Only prefix wildcards are supported. Invalid entry: " + file;
return(false);
}
if (file.EndsWith(GVFSConstants.GitPathSeparatorString) ||
file.EndsWith(GVFSConstants.PathSeparatorString))
{
error = "Folders are not allowed in the file list. Invalid entry: " + file;
return(false);
}
}
error = null;
return(true);
}
public static bool TryLoadFolderList(Enlistment enlistment, string foldersInput, string folderListFile, List <string> folderListOutput, out string error)
{
folderListOutput.AddRange(
foldersInput.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)
.Select(path => FetchHelper.ToAbsolutePath(enlistment, path, isFolder: true)));
if (!string.IsNullOrWhiteSpace(folderListFile))
{
if (File.Exists(folderListFile))
{
IEnumerable <string> allLines = File.ReadAllLines(folderListFile)
.Select(line => line.Trim())
.Where(line => !string.IsNullOrEmpty(line))
.Where(line => !line.StartsWith(GVFSConstants.GitCommentSign.ToString()))
.Select(path => FetchHelper.ToAbsolutePath(enlistment, path, isFolder: true));
folderListOutput.AddRange(allLines);
}
else
{
error = string.Format("Could not find '{0}' for folder list.", folderListFile);
return(false);
}
}
folderListOutput.RemoveAll(string.IsNullOrWhiteSpace);
foreach (string folder in folderListOutput)
{
if (folder.Contains("*"))
{
error = "Wildcards are not supported for folders. Invalid entry: " + folder;
return(false);
}
}
error = null;
return(true);
}
private int ExecuteWithExitCode()
{
// CmdParser doesn't strip quotes, and Path.Combine will throw
this.GitBinPath = this.GitBinPath.Replace("\"", string.Empty);
if (!GitProcess.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);
}
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 : GitProcess.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.HasErrors || 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 (JsonEtwTracer tracer = new JsonEtwTracer("Microsoft.Git.FastFetch", parentActivityId, "FastFetch", useCriticalTelemetryFlag: false))
{
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 },
});
RetryConfig retryConfig = new RetryConfig(this.MaxAttempts, TimeSpan.FromMinutes(RetryConfig.FetchAndCloneTimeoutMinutes));
FetchHelper fetchHelper = this.GetFetchHelper(tracer, enlistment, cacheServer, retryConfig);
string error;
if (!FetchHelper.TryLoadFolderList(enlistment, this.FolderList, this.FolderListFile, fetchHelper.FolderList, out error))
{
tracer.RelatedError(error);
Console.WriteLine(error);
return(ExitFailure);
}
bool isSuccess;
try
{
Func <bool> doPrefetch =
() =>
{
try
{
bool isBranch = this.Commit == null;
fetchHelper.FastFetch(commitish, isBranch);
return(!fetchHelper.HasFailures);
}
catch (FetchHelper.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 &= !fetchHelper.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);
}
}
public void Execute()
{
// CmdParser doesn't strip quotes, and Path.Combine will throw
this.GitBinPath = this.GitBinPath.Replace("\"", string.Empty);
if (!GitProcess.GitExists(this.GitBinPath))
{
Console.WriteLine(
"Could not find git.exe {0}",
!string.IsNullOrWhiteSpace(this.GitBinPath) ? "at " + this.GitBinPath : "on %PATH%");
return;
}
if (this.Commit != null && this.Branch != null)
{
Console.WriteLine("Cannot specify both a commit sha and a branch name to checkout.");
return;
}
this.CacheServerUrl = Enlistment.StripObjectsEndpointSuffix(this.CacheServerUrl);
this.SearchThreadCount = this.SearchThreadCount > 0 ? this.SearchThreadCount : Environment.ProcessorCount;
this.DownloadThreadCount = this.DownloadThreadCount > 0 ? this.DownloadThreadCount : Environment.ProcessorCount;
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 : GitProcess.GetInstalledGitBinPath();
Enlistment enlistment = (Enlistment)GVFSEnlistment.CreateFromCurrentDirectory(this.CacheServerUrl, this.GitBinPath)
?? GitEnlistment.CreateFromCurrentDirectory(this.CacheServerUrl, this.GitBinPath);
if (enlistment == null)
{
Console.WriteLine("Must be run within a .git repo or GVFS enlistment");
return;
}
string commitish = this.Commit ?? this.Branch ?? DefaultBranch;
EventLevel maxVerbosity = this.Silent ? EventLevel.LogAlways : EventLevel.Informational;
using (JsonEtwTracer tracer = new JsonEtwTracer("Microsoft.Git.FastFetch", "FastFetch"))
{
tracer.AddConsoleEventListener(maxVerbosity, Keywords.Any);
tracer.WriteStartEvent(
enlistment.EnlistmentRoot,
enlistment.RepoUrl,
enlistment.CacheServerUrl,
new EventMetadata
{
{ "TargetCommitish", commitish },
});
FetchHelper fetchHelper = this.GetFetchHelper(tracer, enlistment);
fetchHelper.MaxRetries = this.MaxRetries;
if (!FetchHelper.TryLoadPathWhitelist(this.PathWhitelist, this.PathWhitelistFile, tracer, fetchHelper.PathWhitelist))
{
Environment.ExitCode = 1;
return;
}
try
{
bool isBranch = this.Commit == null;
fetchHelper.FastFetch(commitish, isBranch);
if (fetchHelper.HasFailures)
{
Environment.ExitCode = 1;
}
}
catch (AggregateException e)
{
Environment.ExitCode = 1;
foreach (Exception ex in e.Flatten().InnerExceptions)
{
tracer.RelatedError(ex.ToString());
}
}
catch (Exception e)
{
Environment.ExitCode = 1;
tracer.RelatedError(e.ToString());
}
EventMetadata stopMetadata = new EventMetadata();
stopMetadata.Add("Success", Environment.ExitCode == 0);
tracer.Stop(stopMetadata);
}
if (Debugger.IsAttached)
{
Console.ReadKey();
}
}
