private static string GetFirstFailedRefName(BatchRefUpdate batch)
{
foreach (ReceiveCommand cmd in batch.GetCommands())
{
if (cmd.GetResult() != ReceiveCommand.Result.OK)
{
return(cmd.GetRefName());
}
}
return(string.Empty);
}
private void DeleteTrackingRef(FetchResult result, BatchRefUpdate batch, RefSpec
spec, Ref localRef)
{
if (localRef.GetObjectId() == null)
{
return;
}
TrackingRefUpdate update = new TrackingRefUpdate(true, spec.GetSource(), localRef
.GetName(), localRef.GetObjectId(), ObjectId.ZeroId);
result.Add(update);
batch.AddCommand(update.AsReceiveCommand());
}
/// <exception cref="System.IO.IOException"></exception>
private void DeleteStaleTrackingRefs(FetchResult result, BatchRefUpdate batch)
{
foreach (Ref @ref in LocalRefs().Values)
{
string refname = @ref.GetName();
foreach (RefSpec spec in toFetch)
{
if (spec.MatchDestination(refname))
{
RefSpec s = spec.ExpandFromDestination(refname);
if (result.GetAdvertisedRef(s.GetSource()) == null)
{
DeleteTrackingRef(result, batch, s, @ref);
}
}
}
}
}
/// <exception cref="System.NotSupportedException"></exception>
/// <exception cref="NGit.Errors.TransportException"></exception>
private void ExecuteImp(ProgressMonitor monitor, FetchResult result)
{
conn = transport.OpenFetch();
try
{
result.SetAdvertisedRefs(transport.GetURI(), conn.GetRefsMap());
ICollection <Ref> matched = new HashSet <Ref>();
foreach (RefSpec spec in toFetch)
{
if (spec.GetSource() == null)
{
throw new TransportException(MessageFormat.Format(JGitText.Get().sourceRefNotSpecifiedForRefspec
, spec));
}
if (spec.IsWildcard())
{
ExpandWildcard(spec, matched);
}
else
{
ExpandSingle(spec, matched);
}
}
ICollection <Ref> additionalTags = Sharpen.Collections.EmptyList <Ref>();
TagOpt tagopt = transport.GetTagOpt();
if (tagopt == TagOpt.AUTO_FOLLOW)
{
additionalTags = ExpandAutoFollowTags();
}
else
{
if (tagopt == TagOpt.FETCH_TAGS)
{
ExpandFetchTags();
}
}
bool includedTags;
if (!askFor.IsEmpty() && !AskForIsComplete())
{
FetchObjects(monitor);
includedTags = conn.DidFetchIncludeTags();
// Connection was used for object transfer. If we
// do another fetch we must open a new connection.
//
CloseConnection(result);
}
else
{
includedTags = false;
}
if (tagopt == TagOpt.AUTO_FOLLOW && !additionalTags.IsEmpty())
{
// There are more tags that we want to follow, but
// not all were asked for on the initial request.
//
Sharpen.Collections.AddAll(have, askFor.Keys);
askFor.Clear();
foreach (Ref r in additionalTags)
{
ObjectId id = r.GetPeeledObjectId();
if (id == null)
{
id = r.GetObjectId();
}
if (transport.local.HasObject(id))
{
WantTag(r);
}
}
if (!askFor.IsEmpty() && (!includedTags || !AskForIsComplete()))
{
ReopenConnection();
if (!askFor.IsEmpty())
{
FetchObjects(monitor);
}
}
}
}
finally
{
CloseConnection(result);
}
BatchRefUpdate batch = transport.local.RefDatabase.NewBatchUpdate().SetAllowNonFastForwards
(true).SetRefLogMessage("fetch", true);
RevWalk walk = new RevWalk(transport.local);
try
{
if (monitor is BatchingProgressMonitor)
{
((BatchingProgressMonitor)monitor).SetDelayStart(250, TimeUnit.MILLISECONDS);
}
if (transport.IsRemoveDeletedRefs())
{
DeleteStaleTrackingRefs(result, batch);
}
foreach (TrackingRefUpdate u in localUpdates)
{
result.Add(u);
batch.AddCommand(u.AsReceiveCommand());
}
foreach (ReceiveCommand cmd in batch.GetCommands())
{
cmd.UpdateType(walk);
if (cmd.GetType() == ReceiveCommand.Type.UPDATE_NONFASTFORWARD && cmd is TrackingRefUpdate.Command &&
!((TrackingRefUpdate.Command)cmd).CanForceUpdate())
{
cmd.SetResult(ReceiveCommand.Result.REJECTED_NONFASTFORWARD);
}
}
if (transport.IsDryRun())
{
foreach (ReceiveCommand cmd_1 in batch.GetCommands())
{
if (cmd_1.GetResult() == ReceiveCommand.Result.NOT_ATTEMPTED)
{
cmd_1.SetResult(ReceiveCommand.Result.OK);
}
}
}
else
{
batch.Execute(walk, monitor);
}
}
catch (IOException err)
{
throw new TransportException(MessageFormat.Format(JGitText.Get().failureUpdatingTrackingRef
, GetFirstFailedRefName(batch), err.Message), err);
}
finally
{
walk.Release();
}
if (!fetchHeadUpdates.IsEmpty())
{
try
{
UpdateFETCH_HEAD(result);
}
catch (IOException err)
{
throw new TransportException(MessageFormat.Format(JGitText.Get().failureUpdatingFETCH_HEAD
, err.Message), err);
}
}
}
