private void QueueWants(IEnumerable <Ref> want)
{
var inWorkQueue = new List <ObjectId>();
foreach (Ref r in want)
{
ObjectId id = r.ObjectId;
try
{
RevObject obj = _revWalk.parseAny(id);
if (obj.has(COMPLETE))
{
continue;
}
inWorkQueue.Add(id);
obj.add(IN_WORK_QUEUE);
_workQueue.AddLast(obj);
}
catch (MissingObjectException)
{
inWorkQueue.Add(id);
_workQueue.AddLast(id);
}
catch (IOException e)
{
throw new TransportException("Cannot Read " + id.Name, e);
}
}
}
private int MaxTimeWanted(IEnumerable <Ref> wants)
{
int maxTime = 0;
foreach (Ref r in wants)
{
try
{
RevCommit obj = (_walk.parseAny(r.ObjectId) as RevCommit);
if (obj != null)
{
int cTime = obj.CommitTime;
if (maxTime < cTime)
{
maxTime = cTime;
}
}
}
catch (IOException)
{
}
}
return(maxTime);
}
private int MaxTimeWanted(IEnumerable <Ref> wants)
{
int maxTime = 0;
foreach (Ref r in wants)
{
try
{
var obj = (_walk.parseAny(r.ObjectId) as RevCommit);
if (obj != null)
{
int cTime = obj.CommitTime;
if (maxTime < cTime)
{
maxTime = cTime;
}
}
}
catch (IOException)
{
// We don't have it, but we want to fetch (thus fixing error).
}
}
return(maxTime);
}
/// <summary>
/// Merge together two or more tree-ish objects.
/// <para />
/// Any tree-ish may be supplied as inputs. Commits and/or tags pointing at
/// trees or commits may be passed as input objects.
/// </summary>
/// <param name="tips">
/// source trees to be combined together. The merge base is not
/// included in this set. </param>
/// <returns>
/// True if the merge was completed without conflicts; false if the
/// merge strategy cannot handle this merge or there were conflicts
/// preventing it from automatically resolving all paths.
/// </returns>
/// <exception cref="IncorrectObjectTypeException">
/// one of the input objects is not a commit, but the strategy
/// requires it to be a commit.
/// </exception>
/// <exception cref="IOException">
/// one or more sources could not be read, or outputs could not
/// be written to the Repository.
/// </exception>
public virtual bool Merge(AnyObjectId[] tips)
{
_sourceObjects = new RevObject[tips.Length];
for (int i = 0; i < tips.Length; i++)
{
_sourceObjects[i] = _walk.parseAny(tips[i]);
}
_sourceCommits = new RevCommit[_sourceObjects.Length];
for (int i = 0; i < _sourceObjects.Length; i++)
{
try
{
_sourceCommits[i] = _walk.parseCommit(_sourceObjects[i]);
}
catch (IncorrectObjectTypeException)
{
_sourceCommits[i] = null;
}
}
SourceTrees = new RevTree[_sourceObjects.Length];
for (int i = 0; i < _sourceObjects.Length; i++)
{
SourceTrees[i] = _walk.parseTree(_sourceObjects[i]);
}
return(MergeImpl());
}
private void Service()
{
if (biDirectionalPipe)
{
SendAdvertisedRefs(new RefAdvertiser.PacketLineOutRefAdvertiser(_pckOut));
}
else
{
_refs = _refFilter.filter(_db.getAllRefs());
foreach (Ref r in _refs.Values)
{
try
{
_walk.parseAny(r.ObjectId).add(ADVERTISED);
}
catch (IOException)
{
// Skip missing/corrupt objects
}
}
}
RecvWants();
if (_wantAll.Count == 0)
{
return;
}
if (_options.Contains(OPTION_MULTI_ACK_DETAILED))
{
_multiAck = BasePackFetchConnection.MultiAck.DETAILED;
}
else if (_options.Contains(OptionMultiAck))
{
_multiAck = BasePackFetchConnection.MultiAck.CONTINUE;
}
else
{
_multiAck = BasePackFetchConnection.MultiAck.OFF;
}
if (Negotiate())
{
SendPack();
}
}
public override Ref peel(Ref @ref)
{
Ref leaf = @ref.getLeaf();
if (leaf.isPeeled() || leaf.getObjectId() == null)
{
return(@ref);
}
RevWalk.RevWalk rw = new RevWalk.RevWalk(getRepository());
RevObject obj = rw.parseAny(leaf.getObjectId());
ObjectIdRef newLeaf;
if (obj is RevTag)
{
do
{
obj = rw.parseAny(((RevTag)obj).getObject());
} while (obj is RevTag);
newLeaf = new PeeledTag(leaf.getStorage(), leaf
.getName(), leaf.getObjectId(), obj.Copy());
}
else
{
newLeaf = new PeeledNonTag(leaf.getStorage(), leaf
.getName(), leaf.getObjectId());
}
// Try to remember this peeling in the cache, so we don't have to do
// it again in the future, but only if the reference is unchanged.
if (leaf.getStorage().IsLoose)
{
RefList <LooseRef> curList = looseRefs.get();
int idx = curList.find(leaf.getName());
if (0 <= idx && curList.get(idx) == leaf)
{
LooseRef asPeeled = ((LooseRef)leaf).peel(newLeaf);
RefList <LooseRef> newList = curList.set(idx, asPeeled);
looseRefs.compareAndSet(curList, newList);
}
}
return(recreate(@ref, newLeaf));
}
private RevObject parseAnyOrNull(AnyObjectId id)
{
if (id == null)
{
return(null);
}
try
{
return(_walk.parseAny(id));
}
catch (IOException)
{
return(null);
}
}
private static RevObject SafeParse(RevWalk.RevWalk rw, AnyObjectId id)
{
try
{
return(id != null?rw.parseAny(id) : null);
}
catch (MissingObjectException)
{
// We can expect some objects to be missing, like if we are
// trying to force a deletion of a branch and the object it
// points to has been pruned from the database due to freak
// corruption accidents (it happens with 'git new-work-dir').
//
return(null);
}
}
private IDictionary <string, RemoteRefUpdate> PrepareRemoteUpdates()
{
IDictionary <string, RemoteRefUpdate> result = new Dictionary <string, RemoteRefUpdate>();
foreach (RemoteRefUpdate rru in _toPush.Values)
{
Ref advertisedRef = _connection.GetRef(rru.RemoteName);
ObjectId advertisedOld = (advertisedRef == null ? ObjectId.ZeroId : advertisedRef.ObjectId);
if (rru.NewObjectId.Equals(advertisedOld))
{
if (rru.IsDelete)
{
// ref does exist neither locally nor remotely
rru.Status = RemoteRefUpdate.UpdateStatus.NON_EXISTING;
}
else
{
// same object - nothing to do
rru.Status = RemoteRefUpdate.UpdateStatus.UP_TO_DATE;
}
continue;
}
// caller has explicitly specified expected old object id, while it
// has been changed in the mean time - reject
if (rru.IsExpectingOldObjectId && !rru.ExpectedOldObjectId.Equals(advertisedOld))
{
rru.Status = RemoteRefUpdate.UpdateStatus.REJECTED_REMOTE_CHANGED;
continue;
}
// Create ref (hasn't existed on remote side) and delete ref
// are always fast-forward commands, feasible at this level
if (advertisedOld.Equals(ObjectId.ZeroId) || rru.IsDelete)
{
rru.FastForward = true;
result.put(rru.RemoteName, rru);
continue;
}
// check for fast-forward:
// - both old and new ref must point to commits, AND
// - both of them must be known for us, exist in repository, AND
// - old commit must be ancestor of new commit
bool fastForward = true;
try
{
RevCommit oldRev = (_walker.parseAny(advertisedOld) as RevCommit);
RevCommit newRev = (_walker.parseAny(rru.NewObjectId) as RevCommit);
if (oldRev == null || newRev == null || !_walker.isMergedInto(oldRev, newRev))
{
fastForward = false;
}
}
catch (MissingObjectException)
{
fastForward = false;
}
catch (Exception x)
{
throw new TransportException(_transport.Uri, "reading objects from local repository failed: " + x.Message, x);
}
rru.FastForward = fastForward;
if (!fastForward && !rru.ForceUpdate)
{
rru.Status = RemoteRefUpdate.UpdateStatus.REJECTED_NONFASTFORWARD;
}
else
{
result.put(rru.RemoteName, rru);
}
}
return(result);
}
private void RecvWants()
{
bool isFirst = true;
for (; ; isFirst = false)
{
string line;
try
{
line = _pckIn.ReadString();
}
catch (EndOfStreamException)
{
if (isFirst)
{
break;
}
throw;
}
if (line.Length == 0)
{
break;
}
if (!line.StartsWith("want ") || line.Length < 45)
{
throw new PackProtocolException("expected want; got " + line);
}
if (isFirst)
{
int sp = line.IndexOf(' ', 45);
if (sp >= 0)
{
foreach (string c in line.Substring(sp + 1).Split(' '))
{
_options.Add(c);
}
line = line.Slice(0, sp);
}
}
string name = line.Substring(5);
ObjectId id = ObjectId.FromString(name);
RevObject o;
try
{
o = _walk.parseAny(id);
}
catch (IOException e)
{
throw new PackProtocolException(name + " not valid", e);
}
if (!o.has(ADVERTISED))
{
throw new PackProtocolException(name + " not valid");
}
Want(o);
}
}
