internal PullResult(FetchResult fetchResult, string fetchedFrom, MergeCommandResult
mergeResult)
{
this.fetchResult = fetchResult;
this.fetchedFrom = fetchedFrom;
this.mergeResult = mergeResult;
}
internal PullResult(FetchResult fetchResult, string fetchedFrom, RebaseResult rebaseResult
)
{
this.fetchResult = fetchResult;
this.fetchedFrom = fetchedFrom;
this.mergeResult = null;
this.rebaseResult = rebaseResult;
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void DeleteStaleTrackingRefs(FetchResult result, RevWalk walk)
{
Repository db = transport.local;
foreach (Ref @ref in db.GetAllRefs().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, db, walk, s, @ref);
}
}
}
}
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void DeleteTrackingRef(FetchResult result, Repository db, RevWalk walk, RefSpec
spec, Ref localRef)
{
string name = localRef.GetName();
try
{
TrackingRefUpdate u = new TrackingRefUpdate(db, name, spec.GetSource(), true, ObjectId
.ZeroId, "deleted");
result.Add(u);
if (transport.IsDryRun())
{
return;
}
u.Delete(walk);
switch (u.GetResult())
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
{
break;
}
default:
{
throw new TransportException(transport.GetURI(), MessageFormat.Format(JGitText.Get
().cannotDeleteStaleTrackingRef2, name, u.GetResult().ToString()));
}
}
}
catch (IOException e)
{
throw new TransportException(transport.GetURI(), MessageFormat.Format(JGitText.Get
().cannotDeleteStaleTrackingRef, name), e);
}
}
/// <exception cref="System.IO.IOException"></exception>
private void UpdateFETCH_HEAD(FetchResult result)
{
FilePath meta = transport.local.Directory;
if (meta == null)
{
return;
}
LockFile Lock = new LockFile(new FilePath(meta, "FETCH_HEAD"), transport.local.FileSystem
);
try
{
if (Lock.Lock())
{
TextWriter w = new OutputStreamWriter(Lock.GetOutputStream());
try
{
foreach (FetchHeadRecord h in fetchHeadUpdates)
{
h.Write(w);
result.Add(h);
}
}
finally
{
w.Close();
}
Lock.Commit();
}
}
finally
{
Lock.Unlock();
}
}
/// <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 || transport.local.HasObject(id))
{
WantTag(r);
}
}
if (!askFor.IsEmpty() && (!includedTags || !AskForIsComplete()))
{
ReopenConnection();
if (!askFor.IsEmpty())
{
FetchObjects(monitor);
}
}
}
}
finally
{
CloseConnection(result);
}
RevWalk walk = new RevWalk(transport.local);
try
{
if (transport.IsRemoveDeletedRefs())
{
DeleteStaleTrackingRefs(result, walk);
}
foreach (TrackingRefUpdate u in localUpdates)
{
try
{
u.Update(walk);
result.Add(u);
}
catch (IOException err)
{
throw new TransportException(MessageFormat.Format(JGitText.Get().failureUpdatingTrackingRef
, u.GetLocalName(), 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);
}
}
}
/// <exception cref="System.IO.IOException"></exception>
private void UpdateFETCH_HEAD(FetchResult result)
{
FilePath meta = transport.local.Directory;
if (meta == null)
{
return;
}
LockFile Lock = new LockFile(new FilePath(meta, "FETCH_HEAD"), transport.local.FileSystem
);
try
{
if (Lock.Lock())
{
TextWriter w = new OutputStreamWriter(Lock.GetOutputStream());
try
{
foreach (FetchHeadRecord h in fetchHeadUpdates)
{
h.Write(w);
result.Add(h);
}
}
finally
{
w.Close();
}
Lock.Commit();
}
}
finally
{
Lock.Unlock();
}
}
/// <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);
}
RevWalk walk = new RevWalk(transport.local);
try
{
if (monitor is BatchingProgressMonitor)
{
((BatchingProgressMonitor)monitor).SetDelayStart(250, TimeUnit.MILLISECONDS);
}
monitor.BeginTask(JGitText.Get().updatingReferences, localUpdates.Count);
if (transport.IsRemoveDeletedRefs())
{
DeleteStaleTrackingRefs(result, walk);
}
foreach (TrackingRefUpdate u in localUpdates)
{
try
{
monitor.Update(1);
u.Update(walk);
result.Add(u);
}
catch (IOException err)
{
throw new TransportException(MessageFormat.Format(JGitText.Get().failureUpdatingTrackingRef
, u.GetLocalName(), err.Message), err);
}
}
monitor.EndTask();
}
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);
}
}
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void DeleteTrackingRef(FetchResult result, Repository db, RevWalk walk, RefSpec
spec, Ref localRef)
{
string name = localRef.GetName();
try
{
TrackingRefUpdate u = new TrackingRefUpdate(db, name, spec.GetSource(), true, ObjectId
.ZeroId, "deleted");
result.Add(u);
if (transport.IsDryRun())
{
return;
}
u.Delete(walk);
switch (u.GetResult())
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
{
break;
}
default:
{
throw new TransportException(transport.GetURI(), MessageFormat.Format(JGitText.Get
().cannotDeleteStaleTrackingRef2, name, u.GetResult().ToString()));
}
}
}
catch (IOException e)
{
throw new TransportException(transport.GetURI(), MessageFormat.Format(JGitText.Get
().cannotDeleteStaleTrackingRef, name), e);
}
}
private void CloseConnection(FetchResult result)
{
if (conn != null)
{
conn.Close();
result.AddMessages(conn.GetMessages());
conn = null;
}
}
/// <exception cref="System.NotSupportedException"></exception>
/// <exception cref="NGit.Errors.TransportException"></exception>
internal virtual void Execute(ProgressMonitor monitor, FetchResult result)
{
askFor.Clear();
localUpdates.Clear();
fetchHeadUpdates.Clear();
packLocks.Clear();
try
{
ExecuteImp(monitor, result);
}
finally
{
try
{
foreach (PackLock Lock in packLocks)
{
Lock.Unlock();
}
}
catch (IOException e)
{
throw new TransportException(e.Message, e);
}
}
}
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);
}
}
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void DeleteStaleTrackingRefs(FetchResult result, RevWalk walk)
{
Repository db = transport.local;
foreach (Ref @ref in db.GetAllRefs().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, db, walk, s, @ref);
}
}
}
}
}
/// <summary>Fetch objects and refs from the remote repository to the local one.</summary>
/// <remarks>
/// Fetch objects and refs from the remote repository to the local one.
/// <p>
/// This is a utility function providing standard fetch behavior. Local
/// tracking refs associated with the remote repository are automatically
/// updated if this transport was created from a
/// <see cref="RemoteConfig">RemoteConfig</see>
/// with
/// fetch RefSpecs defined.
/// </remarks>
/// <param name="monitor">
/// progress monitor to inform the user about our processing
/// activity. Must not be null. Use
/// <see cref="NGit.NullProgressMonitor">NGit.NullProgressMonitor</see>
/// if
/// progress updates are not interesting or necessary.
/// </param>
/// <param name="toFetch">
/// specification of refs to fetch locally. May be null or the
/// empty collection to use the specifications from the
/// RemoteConfig. Source for each RefSpec can't be null.
/// </param>
/// <returns>information describing the tracking refs updated.</returns>
/// <exception cref="System.NotSupportedException">
/// this transport implementation does not support fetching
/// objects.
/// </exception>
/// <exception cref="NGit.Errors.TransportException">
/// the remote connection could not be established or object
/// copying (if necessary) failed or update specification was
/// incorrect.
/// </exception>
public virtual FetchResult Fetch(ProgressMonitor monitor, ICollection<RefSpec> toFetch
)
{
if (toFetch == null || toFetch.IsEmpty())
{
// If the caller did not ask for anything use the defaults.
//
if (fetch.IsEmpty())
{
throw new TransportException(JGitText.Get().nothingToFetch);
}
toFetch = fetch;
}
else
{
if (!fetch.IsEmpty())
{
// If the caller asked for something specific without giving
// us the local tracking branch see if we can update any of
// the local tracking branches without incurring additional
// object transfer overheads.
//
ICollection<RefSpec> tmp = new AList<RefSpec>(toFetch);
foreach (RefSpec requested in toFetch)
{
string reqSrc = requested.GetSource();
foreach (RefSpec configured in fetch)
{
string cfgSrc = configured.GetSource();
string cfgDst = configured.GetDestination();
if (cfgSrc.Equals(reqSrc) && cfgDst != null)
{
tmp.AddItem(configured);
break;
}
}
}
toFetch = tmp;
}
}
FetchResult result = new FetchResult();
new FetchProcess(this, toFetch).Execute(monitor, result);
return result;
}
/// <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);
}
}
}