public async Task Sync(string commitId, bool checkForStaleRevision = true)
{
VersionsBlob versionsBlob = null;
try
{
versionsBlob = await _client.GetJSON <VersionsBlob>("versions");
}
catch (ObjectNotFoundException)
{
}
if (!String.IsNullOrWhiteSpace(versionsBlob?.Latest))
{
if (versionsBlob.Latest == commitId && await _client.Exists(commitId))
{
return;
}
if (checkForStaleRevision)
{
try{
await _shellExecutor.ExecTask("git", $"merge-base --is-ancestor {versionsBlob.Latest} {commitId}");
}
catch (Exception ex) {
// https://git-scm.com/docs/git-merge-base#git-merge-base---is-ancestor
if ((int)ex.Data["ExitCode"] == 1)
{
_metrics.Measure.Counter.Increment(_staleRevision);
throw new RevisionException(commitId, versionsBlob.Latest, "Stale Revision");
}
_metrics.Measure.Counter.Increment(_badRevision);
throw new RevisionException(commitId, versionsBlob.Latest, "Bad Revision");
}
}
}
;
var newVersionBlob = new VersionsBlob
{
Latest = commitId,
Previous = versionsBlob?.Latest,
};
var(p, exited) = _shellExecutor("git", $"archive --format=zip {commitId}");
using (var ms = new MemoryStream())
{
await p.StandardOutput.BaseStream.CopyToAsync(ms);
ms.Position = 0;
await exited;
if (p.ExitCode != 0)
{
await HandleArchiveError(p);
}
using (var zip = new ZipArchive(ms, ZipArchiveMode.Read, false))
{
var files = zip.Entries.Select(x => x.FullName).ToList();
var readFn = GetZipReader(zip);
foreach (var Converter in Converters)
{
var(fileName, fileContent, fileMimeType) = Converter.Convert(commitId, files, readFn);
await _client.PutString(fileName, fileContent, fileMimeType);
_metrics.Measure.Counter.Increment(_fileUpload, new MetricTags("FileName", fileName));
}
}
}
await _client.PutJSON("versions", newVersionBlob);
_metrics.Measure.Counter.Increment(_fileUpload, new MetricTags("FileName", "versions"));
if (versionsBlob?.Previous != null)
{
await _client.Delete(versionsBlob.Previous);
_metrics.Measure.Counter.Increment(_deletePrevious);
}
}
public async Task Sync(string commitId, bool checkForStaleRevision = true)
{
VersionsBlob versionsBlob = null;
try
{
versionsBlob = await _client.GetJSON <VersionsBlob>("versions");
}
catch (ObjectNotFoundException)
{
}
if (!String.IsNullOrWhiteSpace(versionsBlob?.Latest))
{
if (versionsBlob.Latest == commitId && await _client.Exists(commitId))
{
return;
}
if (checkForStaleRevision)
{
try{
await _shellExecutor.ExecTask("git", $"merge-base --is-ancestor {versionsBlob.Latest} {commitId}");
}
catch (Exception ex) {
throw new StaleRevisionException(commitId, versionsBlob.Latest);
}
}
}
;
var(p, exited) = _shellExecutor("git", $"archive --format=zip {commitId}");
using (var ms = new MemoryStream())
{
await p.StandardOutput.BaseStream.CopyToAsync(ms);
ms.Position = 0;
await exited;
if (p.ExitCode != 0)
{
throw new Exception("Git archive failed")
{
Data =
{
["stderr"] = await p.StandardError.ReadToEndAsync(),
["code"] = p.ExitCode,
},
};
}
using (var zip = new ZipArchive(ms, ZipArchiveMode.Read, false))
{
var files = zip.Entries.Select(x => x.FullName).ToList();
var bundle = _packer.Pack(files, GetZipReader(zip));
await _client.PutJSON(commitId, bundle);
}
}
if (commitId != versionsBlob?.Latest)
{
var newVersionBlob = new VersionsBlob
{
Latest = commitId,
Previous = versionsBlob?.Latest,
};
await _client.PutJSON("versions", newVersionBlob);
if (versionsBlob?.Previous != null)
{
await _client.Delete(versionsBlob.Previous);
}
}
}
