private void DoUpdates()
{
int cnt = pendingUpdates.GetAndSet(0);
if (0 < cnt)
{
pm.Update(cnt);
}
}
/// <exception cref="NGit.Errors.MissingObjectException"></exception>
/// <exception cref="NGit.Errors.IncorrectObjectTypeException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public override bool Include(TreeWalk walker)
{
count++;
if (count % stepSize == 0)
{
if (count <= total)
{
monitor.Update(stepSize);
}
if (monitor.IsCancelled())
{
throw StopWalkException.INSTANCE;
}
}
return(true);
}
/// <summary>Execute this batch update.</summary>
/// <remarks>
/// Execute this batch update.
/// <p>
/// The default implementation of this method performs a sequential reference
/// update over each reference.
/// </remarks>
/// <param name="walk">
/// a RevWalk to parse tags in case the storage system wants to
/// store them pre-peeled, a common performance optimization.
/// </param>
/// <param name="update">progress monitor to receive update status on.</param>
/// <exception cref="System.IO.IOException">
/// the database is unable to accept the update. Individual
/// command status must be tested to determine if there is a
/// partial failure, or a total failure.
/// </exception>
public virtual void Execute(RevWalk walk, ProgressMonitor update)
{
update.BeginTask(JGitText.Get().updatingReferences, commands.Count);
foreach (ReceiveCommand cmd in commands)
{
try
{
update.Update(1);
if (cmd.GetResult() == ReceiveCommand.Result.NOT_ATTEMPTED)
{
cmd.UpdateType(walk);
RefUpdate ru = NewUpdate(cmd);
switch (cmd.GetType())
{
case ReceiveCommand.Type.DELETE:
{
cmd.SetResult(ru.Delete(walk));
continue;
goto case ReceiveCommand.Type.CREATE;
}
case ReceiveCommand.Type.CREATE:
case ReceiveCommand.Type.UPDATE:
case ReceiveCommand.Type.UPDATE_NONFASTFORWARD:
{
cmd.SetResult(ru.Update(walk));
continue;
}
}
}
}
catch (IOException err)
{
cmd.SetResult(ReceiveCommand.Result.REJECTED_OTHER_REASON, MessageFormat.Format(JGitText
.Get().lockError, err.Message));
}
}
update.EndTask();
}
/// <exception cref="System.IO.IOException"></exception>
public override void WriteTo(OutputStream os, ProgressMonitor pm)
{
if (onDiskFile == null)
{
base.WriteTo(os, pm);
return;
}
if (pm == null)
{
pm = NullProgressMonitor.INSTANCE;
}
FileInputStream @in = new FileInputStream(onDiskFile);
try
{
int cnt;
byte[] buf = new byte[TemporaryBuffer.Block.SZ];
while ((cnt = @in.Read(buf)) >= 0)
{
os.Write(buf, 0, cnt);
pm.Update(cnt / 1024);
}
}
finally
{
@in.Close();
}
}
/// <summary>Send this buffer to an output stream.</summary>
/// <remarks>
/// Send this buffer to an output stream.
/// <p>
/// This method may only be invoked after
/// <see cref="Close()">Close()</see>
/// has completed
/// normally, to ensure all data is completely transferred.
/// </remarks>
/// <param name="os">stream to send this buffer's complete content to.</param>
/// <param name="pm">
/// if not null progress updates are sent here. Caller should
/// initialize the task and the number of work units to <code>
/// <see cref="Length()">Length()</see>
/// /1024</code>.
/// </param>
/// <exception cref="System.IO.IOException">
/// an error occurred reading from a temporary file on the local
/// system, or writing to the output stream.
/// </exception>
public virtual void WriteTo(OutputStream os, ProgressMonitor pm)
{
if (pm == null)
{
pm = NullProgressMonitor.INSTANCE;
}
foreach (TemporaryBuffer.Block b in blocks)
{
os.Write(b.buffer, 0, b.count);
pm.Update(b.count / 1024);
}
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Errors.MissingObjectException"></exception>
public void SelectObjectRepresentation(PackWriter packer, ProgressMonitor monitor
, Iterable<ObjectToPack> objects)
{
foreach (ObjectToPack otp in objects)
{
db.SelectObjectRepresentation(packer, otp, this);
monitor.Update(1);
}
}
public static MergeCommandResult MergeTrees(NGit.ProgressMonitor monitor, NGit.Repository repo, RevCommit srcBase, RevCommit srcCommit, string sourceDisplayName, bool commitResult)
{
RevCommit newHead = null;
RevWalk revWalk = new RevWalk(repo);
try
{
// get the head commit
Ref headRef = repo.GetRef(Constants.HEAD);
if (headRef == null)
{
throw new NoHeadException(JGitText.Get().commitOnRepoWithoutHEADCurrentlyNotSupported
);
}
RevCommit headCommit = revWalk.ParseCommit(headRef.GetObjectId());
ResolveMerger merger = (ResolveMerger)((ThreeWayMerger)MergeStrategy.RESOLVE.NewMerger
(repo));
merger.SetWorkingTreeIterator(new FileTreeIterator(repo));
merger.SetBase(srcBase);
bool noProblems;
IDictionary <string, MergeResult <NGit.Diff.Sequence> > lowLevelResults = null;
IDictionary <string, ResolveMerger.MergeFailureReason> failingPaths = null;
IList <string> modifiedFiles = null;
ResolveMerger resolveMerger = (ResolveMerger)merger;
resolveMerger.SetCommitNames(new string[] { "BASE", "HEAD", sourceDisplayName });
noProblems = merger.Merge(headCommit, srcCommit);
lowLevelResults = resolveMerger.GetMergeResults();
modifiedFiles = resolveMerger.GetModifiedFiles();
failingPaths = resolveMerger.GetFailingPaths();
if (monitor != null)
{
monitor.Update(50);
}
if (noProblems)
{
if (modifiedFiles != null && modifiedFiles.Count == 0)
{
return(new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.ALREADY_UP_TO_DATE, MergeStrategy.RESOLVE, null, null));
}
DirCacheCheckout dco = new DirCacheCheckout(repo, headCommit.Tree, repo.LockDirCache
(), merger.GetResultTreeId());
dco.SetFailOnConflict(true);
dco.Checkout();
if (commitResult)
{
newHead = new NGit.Api.Git(repo).Commit().SetMessage(srcCommit.GetFullMessage()
).SetAuthor(srcCommit.GetAuthorIdent()).Call();
return(new MergeCommandResult(newHead.Id, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null));
}
else
{
return(new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null));
}
}
else
{
if (failingPaths != null)
{
return(new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id
}, MergeStatus.FAILED, MergeStrategy.RESOLVE, lowLevelResults
, failingPaths, null));
}
else
{
return(new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id
}, MergeStatus.CONFLICTING, MergeStrategy.RESOLVE, lowLevelResults
, null));
}
}
}
finally
{
revWalk.Release();
}
}
/// <exception cref="System.IO.IOException"></exception>
private void ResolveDeltas(PackParser.DeltaVisit visit, int type, PackParser.ObjectTypeAndSize
info, ProgressMonitor progress)
{
do
{
progress.Update(1);
info = OpenDatabase(visit.delta, info);
switch (info.type)
{
case Constants.OBJ_OFS_DELTA:
case Constants.OBJ_REF_DELTA:
{
break;
}
default:
{
throw new IOException(MessageFormat.Format(JGitText.Get().unknownObjectType, Sharpen.Extensions.ValueOf
(info.type)));
}
}
byte[] delta = InflateAndReturn(PackParser.Source.DATABASE, info.size);
CheckIfTooLarge(type, BinaryDelta.GetResultSize(delta));
visit.data = BinaryDelta.Apply(visit.parent.data, delta);
delta = null;
if (!CheckCRC(visit.delta.crc))
{
throw new IOException(MessageFormat.Format(JGitText.Get().corruptionDetectedReReadingAt
, Sharpen.Extensions.ValueOf(visit.delta.position)));
}
objectDigest.Update(Constants.EncodedTypeString(type));
objectDigest.Update(unchecked((byte)' '));
objectDigest.Update(Constants.EncodeASCII(visit.data.Length));
objectDigest.Update(unchecked((byte)0));
objectDigest.Update(visit.data);
tempObjectId.FromRaw(objectDigest.Digest(), 0);
VerifySafeObject(tempObjectId, type, visit.data);
PackedObjectInfo oe;
oe = NewInfo(tempObjectId, visit.delta, visit.parent.id);
oe.SetOffset(visit.delta.position);
OnInflatedObjectData(oe, type, visit.data);
AddObjectAndTrack(oe);
visit.id = oe;
visit.nextChild = FirstChildOf(oe);
visit = visit.Next();
}
while (visit != null);
}
/// <exception cref="System.IO.IOException"></exception>
private int BuildMatrix(ProgressMonitor pm)
{
// Allocate for the worst-case scenario where every pair has a
// score that we need to consider. We might not need that many.
//
matrix = new long[srcs.Count * dsts.Count];
long[] srcSizes = new long[srcs.Count];
long[] dstSizes = new long[dsts.Count];
BitSet dstTooLarge = null;
// Consider each pair of files, if the score is above the minimum
// threshold we need record that scoring in the matrix so we can
// later find the best matches.
//
int mNext = 0;
for (int srcIdx = 0; srcIdx < srcs.Count; srcIdx++)
{
DiffEntry srcEnt = srcs[srcIdx];
if (!IsFile(srcEnt.oldMode))
{
pm.Update(dsts.Count);
continue;
}
SimilarityIndex s = null;
for (int dstIdx = 0; dstIdx < dsts.Count; dstIdx++)
{
DiffEntry dstEnt = dsts[dstIdx];
if (!IsFile(dstEnt.newMode))
{
pm.Update(1);
continue;
}
if (!RenameDetector.SameType(srcEnt.oldMode, dstEnt.newMode))
{
pm.Update(1);
continue;
}
if (dstTooLarge != null && dstTooLarge.Get(dstIdx))
{
pm.Update(1);
continue;
}
long srcSize = srcSizes[srcIdx];
if (srcSize == 0)
{
srcSize = Size(DiffEntry.Side.OLD, srcEnt) + 1;
srcSizes[srcIdx] = srcSize;
}
long dstSize = dstSizes[dstIdx];
if (dstSize == 0)
{
dstSize = Size(DiffEntry.Side.NEW, dstEnt) + 1;
dstSizes[dstIdx] = dstSize;
}
long max = Math.Max(srcSize, dstSize);
long min = Math.Min(srcSize, dstSize);
if (min * 100 / max < renameScore)
{
// Cannot possibly match, as the file sizes are so different
pm.Update(1);
continue;
}
if (s == null)
{
try
{
s = Hash(DiffEntry.Side.OLD, srcEnt);
}
catch (SimilarityIndex.TableFullException)
{
tableOverflow = true;
goto SRC_continue;
}
}
SimilarityIndex d;
try
{
d = Hash(DiffEntry.Side.NEW, dstEnt);
}
catch (SimilarityIndex.TableFullException)
{
if (dstTooLarge == null)
{
dstTooLarge = new BitSet(dsts.Count);
}
dstTooLarge.Set(dstIdx);
tableOverflow = true;
pm.Update(1);
continue;
}
int contentScore = s.Score(d, 10000);
// nameScore returns a value between 0 and 100, but we want it
// to be in the same range as the content score. This allows it
// to be dropped into the pretty formula for the final score.
int nameScore = NameScore(srcEnt.oldPath, dstEnt.newPath) * 100;
int score = (contentScore * 99 + nameScore * 1) / 10000;
if (score < renameScore)
{
pm.Update(1);
continue;
}
matrix[mNext++] = Encode(score, srcIdx, dstIdx);
pm.Update(1);
}
SRC_continue: ;
}
SRC_break: ;
// Sort everything in the range we populated, which might be the
// entire matrix, or just a smaller slice if we had some bad low
// scoring pairs.
//
Arrays.Sort(matrix, 0, mNext);
return mNext;
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Compute(ProgressMonitor pm)
{
if (pm == null)
{
pm = NullProgressMonitor.INSTANCE;
}
pm.BeginTask(JGitText.Get().renamesFindingByContent, 2 * srcs.Count * dsts.Count);
//
int mNext = BuildMatrix(pm);
@out = new AList<DiffEntry>(Math.Min(mNext, dsts.Count));
// Match rename pairs on a first come, first serve basis until
// we have looked at everything that is above our minimum score.
//
for (--mNext; mNext >= 0; mNext--)
{
long ent = matrix[mNext];
int sIdx = SrcFile(ent);
int dIdx = DstFile(ent);
DiffEntry s = srcs[sIdx];
DiffEntry d = dsts[dIdx];
if (d == null)
{
pm.Update(1);
continue;
}
// was already matched earlier
DiffEntry.ChangeType type;
if (s.changeType == DiffEntry.ChangeType.DELETE)
{
// First use of this source file. Tag it as a rename so we
// later know it is already been used as a rename, other
// matches (if any) will claim themselves as copies instead.
//
s.changeType = DiffEntry.ChangeType.RENAME;
type = DiffEntry.ChangeType.RENAME;
}
else
{
type = DiffEntry.ChangeType.COPY;
}
@out.AddItem(DiffEntry.Pair(type, s, d, Score(ent)));
dsts.Set(dIdx, null);
// Claim the destination was matched.
pm.Update(1);
}
srcs = CompactSrcList(srcs);
dsts = CompactDstList(dsts);
pm.EndTask();
}
public static MergeCommandResult MergeTrees (ProgressMonitor monitor, NGit.Repository repo, RevCommit srcBase, RevCommit srcCommit, string sourceDisplayName, bool commitResult)
{
RevCommit newHead;
RevWalk revWalk = new RevWalk(repo);
try
{
// get the head commit
Ref headRef = repo.GetRef(Constants.HEAD);
if (headRef == null)
{
throw new NoHeadException(JGitText.Get().commitOnRepoWithoutHEADCurrentlyNotSupported
);
}
RevCommit headCommit = revWalk.ParseCommit(headRef.GetObjectId());
ResolveMerger merger = (ResolveMerger)((ThreeWayMerger)MergeStrategy.RESOLVE.NewMerger
(repo));
merger.SetWorkingTreeIterator(new FileTreeIterator(repo));
merger.SetBase(srcBase);
bool noProblems;
IDictionary<string, MergeResult<Sequence>> lowLevelResults = null;
IDictionary<string, ResolveMerger.MergeFailureReason> failingPaths = null;
IList<string> modifiedFiles = null;
ResolveMerger resolveMerger = merger;
resolveMerger.SetCommitNames(new string[] { "BASE", "HEAD", sourceDisplayName });
noProblems = merger.Merge(headCommit, srcCommit);
lowLevelResults = resolveMerger.GetMergeResults();
modifiedFiles = resolveMerger.GetModifiedFiles();
failingPaths = resolveMerger.GetFailingPaths();
if (monitor != null)
monitor.Update (50);
if (noProblems)
{
if (modifiedFiles != null && modifiedFiles.Count == 0) {
return new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.ALREADY_UP_TO_DATE, MergeStrategy.RESOLVE, null, null);
}
DirCacheCheckout dco = new DirCacheCheckout(repo, headCommit.Tree, repo.LockDirCache
(), merger.GetResultTreeId());
dco.SetFailOnConflict(true);
dco.Checkout();
if (commitResult) {
newHead = new NGit.Api.Git(repo).Commit().SetMessage(srcCommit.GetFullMessage()
).SetAuthor(srcCommit.GetAuthorIdent()).Call();
return new MergeCommandResult(newHead.Id, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null);
} else {
return new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null);
}
}
else
{
if (failingPaths != null)
{
return new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id }, MergeStatus.FAILED, MergeStrategy.RESOLVE, lowLevelResults
, failingPaths, null);
}
else
{
return new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id }, MergeStatus.CONFLICTING, MergeStrategy.RESOLVE, lowLevelResults
, null);
}
}
}
finally
{
revWalk.Release();
}
}
/// <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);
}
}
}
public Stash Create(NGit.ProgressMonitor monitor, string message)
{
if (monitor != null)
{
monitor.Start(1);
monitor.BeginTask("Stashing changes", 100);
}
UserConfig config = _repo.GetConfig().Get(UserConfig.KEY);
RevWalk rw = new RevWalk(_repo);
ObjectId headId = _repo.Resolve(Constants.HEAD);
var parent = rw.ParseCommit(headId);
PersonIdent author = new PersonIdent(config.GetAuthorName() ?? "unknown", config.GetAuthorEmail() ?? "unknown@(none).");
if (string.IsNullOrEmpty(message))
{
// Use the commit summary as message
message = parent.Abbreviate(7).ToString() + " " + parent.GetShortMessage();
int i = message.IndexOfAny(new char[] { '\r', '\n' });
if (i != -1)
{
message = message.Substring(0, i);
}
}
// Create the index tree commit
ObjectInserter inserter = _repo.NewObjectInserter();
DirCache dc = _repo.ReadDirCache();
if (monitor != null)
{
monitor.Update(10);
}
var tree_id = dc.WriteTree(inserter);
inserter.Release();
if (monitor != null)
{
monitor.Update(10);
}
string commitMsg = "index on " + _repo.GetBranch() + ": " + message;
ObjectId indexCommit = GitUtil.CreateCommit(_repo, commitMsg + "\n", new ObjectId[] { headId }, tree_id, author, author);
if (monitor != null)
{
monitor.Update(20);
}
// Create the working dir commit
tree_id = WriteWorkingDirectoryTree(parent.Tree, dc);
commitMsg = "WIP on " + _repo.GetBranch() + ": " + message;
var wipCommit = GitUtil.CreateCommit(_repo, commitMsg + "\n", new ObjectId[] { headId, indexCommit }, tree_id, author, author);
if (monitor != null)
{
monitor.Update(20);
}
string prevCommit = null;
FileInfo sf = StashRefFile;
if (sf.Exists)
{
prevCommit = File.ReadAllText(sf.FullName).Trim(' ', '\t', '\r', '\n');
}
Stash s = new Stash(prevCommit, wipCommit.Name, author, commitMsg);
FileInfo stashLog = StashLogFile;
File.AppendAllText(stashLog.FullName, s.FullLine + "\n");
File.WriteAllText(sf.FullName, s.CommitId + "\n");
if (monitor != null)
{
monitor.Update(5);
}
// Wipe all local changes
GitUtil.HardReset(_repo, Constants.HEAD);
monitor.EndTask();
s.StashCollection = this;
return(s);
}
/// <summary>Execute this batch update.</summary>
/// <remarks>
/// Execute this batch update.
/// <p>
/// The default implementation of this method performs a sequential reference
/// update over each reference.
/// </remarks>
/// <param name="walk">
/// a RevWalk to parse tags in case the storage system wants to
/// store them pre-peeled, a common performance optimization.
/// </param>
/// <param name="update">progress monitor to receive update status on.</param>
/// <exception cref="System.IO.IOException">
/// the database is unable to accept the update. Individual
/// command status must be tested to determine if there is a
/// partial failure, or a total failure.
/// </exception>
public virtual void Execute(RevWalk walk, ProgressMonitor update)
{
update.BeginTask(JGitText.Get().updatingReferences, commands.Count);
foreach (ReceiveCommand cmd in commands)
{
try
{
update.Update(1);
if (cmd.GetResult() == ReceiveCommand.Result.NOT_ATTEMPTED)
{
cmd.UpdateType(walk);
RefUpdate ru = NewUpdate(cmd);
switch (cmd.GetType())
{
case ReceiveCommand.Type.DELETE:
{
cmd.SetResult(ru.Delete(walk));
continue;
goto case ReceiveCommand.Type.CREATE;
}
case ReceiveCommand.Type.CREATE:
case ReceiveCommand.Type.UPDATE:
case ReceiveCommand.Type.UPDATE_NONFASTFORWARD:
{
cmd.SetResult(ru.Update(walk));
continue;
}
}
}
}
catch (IOException err)
{
cmd.SetResult(ReceiveCommand.Result.REJECTED_OTHER_REASON, MessageFormat.Format(JGitText
.Get().lockError, err.Message));
}
}
update.EndTask();
}
// By default there is no locking.
/// <exception cref="System.IO.IOException"></exception>
private void ResolveDeltas(ProgressMonitor progress)
{
progress.BeginTask(JGitText.Get().resolvingDeltas, deltaCount);
int last = entryCount;
for (int i = 0; i < last; i++)
{
int before = entryCount;
ResolveDeltas(entries[i]);
progress.Update(entryCount - before);
if (progress.IsCancelled())
{
throw new IOException(JGitText.Get().downloadCancelledDuringIndexing);
}
}
progress.EndTask();
}
/// <summary>Parse the pack stream.</summary>
/// <remarks>Parse the pack stream.</remarks>
/// <param name="receiving">
/// receives progress feedback during the initial receiving
/// objects phase. If null,
/// <see cref="NGit.NullProgressMonitor">NGit.NullProgressMonitor</see>
/// will be
/// used.
/// </param>
/// <param name="resolving">receives progress feedback during the resolving objects phase.
/// </param>
/// <returns>
/// the pack lock, if one was requested by setting
/// <see cref="SetLockMessage(string)">SetLockMessage(string)</see>
/// .
/// </returns>
/// <exception cref="System.IO.IOException">the stream is malformed, or contains corrupt objects.
/// </exception>
public virtual PackLock Parse(ProgressMonitor receiving, ProgressMonitor resolving
)
{
if (receiving == null)
{
receiving = NullProgressMonitor.INSTANCE;
}
if (resolving == null)
{
resolving = NullProgressMonitor.INSTANCE;
}
if (receiving == resolving)
{
receiving.Start(2);
}
try
{
ReadPackHeader();
entries = new PackedObjectInfo[(int)objectCount];
baseById = new ObjectIdOwnerMap<PackParser.DeltaChain>();
baseByPos = new LongMap<PackParser.UnresolvedDelta>();
deferredCheckBlobs = new BlockList<PackedObjectInfo>();
receiving.BeginTask(JGitText.Get().receivingObjects, (int)objectCount);
try
{
for (int done = 0; done < objectCount; done++)
{
IndexOneObject();
receiving.Update(1);
if (receiving.IsCancelled())
{
throw new IOException(JGitText.Get().downloadCancelled);
}
}
ReadPackFooter();
EndInput();
}
finally
{
receiving.EndTask();
}
if (!deferredCheckBlobs.IsEmpty())
{
DoDeferredCheckBlobs();
}
if (deltaCount > 0)
{
if (resolving is BatchingProgressMonitor)
{
((BatchingProgressMonitor)resolving).SetDelayStart(1000, TimeUnit.MILLISECONDS);
}
resolving.BeginTask(JGitText.Get().resolvingDeltas, deltaCount);
ResolveDeltas(resolving);
if (entryCount < objectCount)
{
if (!IsAllowThin())
{
throw new IOException(MessageFormat.Format(JGitText.Get().packHasUnresolvedDeltas
, Sharpen.Extensions.ValueOf(objectCount - entryCount)));
}
ResolveDeltasWithExternalBases(resolving);
if (entryCount < objectCount)
{
throw new IOException(MessageFormat.Format(JGitText.Get().packHasUnresolvedDeltas
, Sharpen.Extensions.ValueOf(objectCount - entryCount)));
}
}
resolving.EndTask();
}
packDigest = null;
baseById = null;
baseByPos = null;
}
finally
{
try
{
if (readCurs != null)
{
readCurs.Release();
}
}
finally
{
readCurs = null;
}
try
{
inflater.Release();
}
finally
{
inflater = null;
}
}
return null;
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void OpenIndex(ProgressMonitor pm)
{
if (this.index != null)
{
return;
}
if (this.tmpIdx == null)
{
this.tmpIdx = FilePath.CreateTempFile("jgit-walk-", ".idx");
}
else
{
if (this.tmpIdx.IsFile())
{
try
{
this.index = PackIndex.Open(this.tmpIdx);
return;
}
catch (FileNotFoundException)
{
}
}
}
// Fall through and get the file.
WalkRemoteObjectDatabase.FileStream s;
s = this.connection.Open("pack/" + this.idxName);
pm.BeginTask("Get " + Sharpen.Runtime.Substring(this.idxName, 0, 12) + "..idx", s
.length < 0 ? ProgressMonitor.UNKNOWN : (int)(s.length / 1024));
try
{
FileOutputStream fos = new FileOutputStream(this.tmpIdx);
try
{
byte[] buf = new byte[2048];
int cnt;
while (!pm.IsCancelled() && (cnt = [email protected](buf)) >= 0)
{
fos.Write(buf, 0, cnt);
pm.Update(cnt / 1024);
}
}
finally
{
fos.Close();
}
}
catch (IOException err)
{
FileUtils.Delete(this.tmpIdx);
throw;
}
finally
{
[email protected]();
}
pm.EndTask();
if (pm.IsCancelled())
{
FileUtils.Delete(this.tmpIdx);
return;
}
try
{
this.index = PackIndex.Open(this.tmpIdx);
}
catch (IOException e)
{
FileUtils.Delete(this.tmpIdx);
throw;
}
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Search(ProgressMonitor monitor, ObjectToPack[] toSearch, int
off, int cnt)
{
try
{
for (int end = off + cnt; off < end; off++)
{
res = window[resSlot];
if (0 < maxMemory)
{
Clear(res);
int tail = Next(resSlot);
long need = EstimateSize(toSearch[off]);
while (maxMemory < loaded + need && tail != resSlot)
{
Clear(window[tail]);
tail = Next(tail);
}
}
res.Set(toSearch[off]);
if ([email protected]())
{
// We don't actually want to make a delta for
// them, just need to push them into the window
// so they can be read by other objects.
//
KeepInWindow();
}
else
{
// Search for a delta for the current window slot.
//
monitor.Update(1);
Search();
}
}
}
finally
{
if (deflater != null)
{
deflater.Finish();
}
}
}
/// <summary>Consume data from the input stream until the packfile is indexed.</summary>
/// <remarks>Consume data from the input stream until the packfile is indexed.</remarks>
/// <param name="progress">progress feedback</param>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public virtual void Index(ProgressMonitor progress)
{
progress.Start(2);
try
{
try
{
ReadPackHeader();
entries = new PackedObjectInfo[(int)objectCount];
baseById = new ObjectIdSubclassMap<IndexPack.DeltaChain>();
baseByPos = new LongMap<IndexPack.UnresolvedDelta>();
deferredCheckBlobs = new AList<PackedObjectInfo>();
progress.BeginTask(JGitText.Get().receivingObjects, (int)objectCount);
for (int done = 0; done < objectCount; done++)
{
IndexOneObject();
progress.Update(1);
if (progress.IsCancelled())
{
throw new IOException(JGitText.Get().downloadCancelled);
}
}
ReadPackFooter();
EndInput();
if (!deferredCheckBlobs.IsEmpty())
{
DoDeferredCheckBlobs();
}
progress.EndTask();
if (deltaCount > 0)
{
if (packOut == null)
{
throw new IOException(JGitText.Get().needPackOut);
}
ResolveDeltas(progress);
if (entryCount < objectCount)
{
if (!fixThin)
{
throw new IOException(MessageFormat.Format(JGitText.Get().packHasUnresolvedDeltas
, (objectCount - entryCount)));
}
FixThinPack(progress);
}
}
if (packOut != null && (keepEmpty || entryCount > 0))
{
packOut.GetChannel().Force(true);
}
packDigest = null;
baseById = null;
baseByPos = null;
if (dstIdx != null && (keepEmpty || entryCount > 0))
{
WriteIdx();
}
}
finally
{
try
{
if (readCurs != null)
{
readCurs.Release();
}
}
finally
{
readCurs = null;
}
try
{
inflater.Release();
}
finally
{
inflater = null;
objectDatabase.Close();
}
progress.EndTask();
if (packOut != null)
{
packOut.Close();
}
}
if (keepEmpty || entryCount > 0)
{
if (dstPack != null)
{
dstPack.SetReadOnly();
}
if (dstIdx != null)
{
dstIdx.SetReadOnly();
}
}
}
catch (IOException err)
{
if (dstPack != null)
{
FileUtils.Delete(dstPack);
}
if (dstIdx != null)
{
FileUtils.Delete(dstIdx);
}
throw;
}
}