private void LoadBlobPrefetchArgs(
ITracer tracer,
GVFSEnlistment enlistment,
out string headCommitId,
out List <string> filesList,
out List <string> foldersList,
out FileBasedDictionary <string, string> lastPrefetchArgs)
{
string error;
if (!FileBasedDictionary <string, string> .TryCreate(
tracer,
Path.Combine(enlistment.DotGVFSRoot, "LastBlobPrefetch.dat"),
new PhysicalFileSystem(),
out lastPrefetchArgs,
out error))
{
tracer.RelatedWarning("Unable to load last prefetch args: " + error);
}
filesList = new List <string>();
foldersList = new List <string>();
if (!BlobPrefetcher.TryLoadFileList(enlistment, this.Files, this.FilesListFile, filesList, readListFromStdIn: this.FilesFromStdIn, error: out error))
{
this.ReportErrorAndExit(tracer, error);
}
if (!BlobPrefetcher.TryLoadFolderList(enlistment, this.Folders, this.FoldersListFile, foldersList, readListFromStdIn: this.FoldersFromStdIn, error: out error))
{
this.ReportErrorAndExit(tracer, error);
}
GitProcess gitProcess = new GitProcess(enlistment);
GitProcess.Result result = gitProcess.RevParse(GVFSConstants.DotGit.HeadName);
if (result.ExitCodeIsFailure)
{
this.ReportErrorAndExit(tracer, result.Errors);
}
headCommitId = result.Output.Trim();
}
private void PrefetchBlobs(ITracer tracer, GVFSEnlistment enlistment, GitObjectsHttpRequestor blobRequestor, CacheServerInfo cacheServer)
{
BlobPrefetcher blobPrefetcher = new BlobPrefetcher(
tracer,
enlistment,
blobRequestor,
ChunkSize,
SearchThreadCount,
DownloadThreadCount,
IndexThreadCount);
string error;
if (!BlobPrefetcher.TryLoadFolderList(enlistment, this.Folders, this.FoldersListFile, blobPrefetcher.FolderList, out error))
{
this.ReportErrorAndExit(tracer, error);
}
if (!BlobPrefetcher.TryLoadFileList(enlistment, this.Files, blobPrefetcher.FileList, out error))
{
this.ReportErrorAndExit(tracer, error);
}
if (blobPrefetcher.FolderList.Count == 0 &&
blobPrefetcher.FileList.Count == 0)
{
this.ReportErrorAndExit(tracer, "Did you mean to fetch all blobs? If so, specify `--files *` to confirm.");
}
if (this.HydrateFiles)
{
if (!this.CheckIsMounted(verbose: true))
{
this.ReportErrorAndExit("You can only specify --hydrate if the repo is mounted. Run 'gvfs mount' and try again.");
}
}
GitProcess gitProcess = new GitProcess(enlistment);
GitProcess.Result result = gitProcess.RevParse(GVFSConstants.DotGit.HeadName);
if (result.HasErrors)
{
tracer.RelatedError(result.Errors);
this.Output.WriteLine(result.Errors);
Environment.ExitCode = (int)ReturnCode.GenericError;
return;
}
int matchedBlobCount = 0;
int downloadedBlobCount = 0;
int readFileCount = 0;
string headCommitId = result.Output;
Func <bool> doPrefetch =
() =>
{
try
{
blobPrefetcher.PrefetchWithStats(
headCommitId.Trim(),
isBranch: false,
readFilesAfterDownload: this.HydrateFiles,
matchedBlobCount: out matchedBlobCount,
downloadedBlobCount: out downloadedBlobCount,
readFileCount: out readFileCount);
return(!blobPrefetcher.HasFailures);
}
catch (BlobPrefetcher.FetchException e)
{
tracer.RelatedError(e.Message);
return(false);
}
};
if (this.Verbose)
{
doPrefetch();
}
else
{
string message =
this.HydrateFiles
? "Fetching blobs and hydrating files "
: "Fetching blobs ";
this.ShowStatusWhileRunning(doPrefetch, message + this.GetCacheServerDisplay(cacheServer, enlistment.RepoUrl));
}
if (blobPrefetcher.HasFailures)
{
Environment.ExitCode = 1;
}
else
{
Console.WriteLine();
Console.WriteLine("Stats:");
Console.WriteLine(" Matched blobs: " + matchedBlobCount);
Console.WriteLine(" Already cached: " + (matchedBlobCount - downloadedBlobCount));
Console.WriteLine(" Downloaded: " + downloadedBlobCount);
if (this.HydrateFiles)
{
Console.WriteLine(" Hydrated files: " + readFileCount);
}
}
}