/// <exception cref="System.IO.IOException"></exception>
private PackIndex WritePack <_T0>(FileRepository repo, ICollection <_T0> want, ICollection
<PackIndex> excludeObjects) where _T0 : ObjectId
{
PackWriter pw = new PackWriter(repo);
pw.SetDeltaBaseAsOffset(true);
pw.SetReuseDeltaCommits(false);
foreach (PackIndex idx in excludeObjects)
{
pw.ExcludeObjects(idx);
}
pw.PreparePack(NullProgressMonitor.INSTANCE, want, Sharpen.Collections.EmptySet <ObjectId
>());
string id = pw.ComputeName().GetName();
FilePath packdir = new FilePath(repo.ObjectsDirectory, "pack");
FilePath packFile = new FilePath(packdir, "pack-" + id + ".pack");
FileOutputStream packOS = new FileOutputStream(packFile);
pw.WritePack(NullProgressMonitor.INSTANCE, NullProgressMonitor.INSTANCE, packOS);
packOS.Close();
FilePath idxFile = new FilePath(packdir, "pack-" + id + ".idx");
FileOutputStream idxOS = new FileOutputStream(idxFile);
pw.WriteIndex(idxOS);
idxOS.Close();
pw.Release();
return(PackIndex.Open(idxFile));
}
/// <exception cref="System.IO.IOException"></exception>
private FilePath[] Pack(Repository src, params RevObject[] list)
{
PackWriter pw = new PackWriter(src);
foreach (RevObject o in list)
{
pw.AddObject(o);
}
ObjectId name = pw.ComputeName();
FilePath packFile = FullPackFileName(name, ".pack");
FilePath idxFile = FullPackFileName(name, ".idx");
FilePath[] files = new FilePath[] { packFile, idxFile };
Write(files, pw);
pw.Release();
return(files);
}
/// <exception cref="System.IO.IOException"></exception>
private FilePath[] Pack(Repository src, params RevObject[] list)
{
PackWriter pw = new PackWriter(src);
foreach (RevObject o in list)
{
pw.AddObject(o);
}
ObjectId name = pw.ComputeName();
FilePath packFile = FullPackFileName(name, ".pack");
FilePath idxFile = FullPackFileName(name, ".idx");
FilePath[] files = new FilePath[] { packFile, idxFile };
Write(files, pw);
pw.Release();
return files;
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void Sendpack(IList <RemoteRefUpdate> updates, ProgressMonitor monitor)
{
string pathPack = null;
string pathIdx = null;
PackWriter writer = new PackWriter(transport.GetPackConfig(), local.NewObjectReader
());
try
{
ICollection <ObjectId> need = new HashSet <ObjectId>();
ICollection <ObjectId> have = new HashSet <ObjectId>();
foreach (RemoteRefUpdate r in updates)
{
need.AddItem(r.GetNewObjectId());
}
foreach (Ref r_1 in GetRefs())
{
have.AddItem(r_1.GetObjectId());
if (r_1.GetPeeledObjectId() != null)
{
have.AddItem(r_1.GetPeeledObjectId());
}
}
writer.PreparePack(monitor, need, have);
// We don't have to continue further if the pack will
// be an empty pack, as the remote has all objects it
// needs to complete this change.
//
if (writer.GetObjectCount() == 0)
{
return;
}
packNames = new LinkedHashMap <string, string>();
foreach (string n in dest.GetPackNames())
{
packNames.Put(n, n);
}
string @base = "pack-" + writer.ComputeName().Name;
string packName = @base + ".pack";
pathPack = "pack/" + packName;
pathIdx = "pack/" + @base + ".idx";
if (Sharpen.Collections.Remove(packNames, packName) != null)
{
// The remote already contains this pack. We should
// remove the index before overwriting to prevent bad
// offsets from appearing to clients.
//
dest.WriteInfoPacks(packNames.Keys);
dest.DeleteFile(pathIdx);
}
// Write the pack file, then the index, as readers look the
// other direction (index, then pack file).
//
string wt = "Put " + Sharpen.Runtime.Substring(@base, 0, 12);
OutputStream os = dest.WriteFile(pathPack, monitor, wt + "..pack");
try
{
os = new SafeBufferedOutputStream(os);
writer.WritePack(monitor, monitor, os);
}
finally
{
os.Close();
}
os = dest.WriteFile(pathIdx, monitor, wt + "..idx");
try
{
os = new SafeBufferedOutputStream(os);
writer.WriteIndex(os);
}
finally
{
os.Close();
}
// Record the pack at the start of the pack info list. This
// way clients are likely to consult the newest pack first,
// and discover the most recent objects there.
//
AList <string> infoPacks = new AList <string>();
infoPacks.AddItem(packName);
Sharpen.Collections.AddAll(infoPacks, packNames.Keys);
dest.WriteInfoPacks(infoPacks);
}
catch (IOException err)
{
SafeDelete(pathIdx);
SafeDelete(pathPack);
throw new TransportException(uri, JGitText.Get().cannotStoreObjects, err);
}
finally
{
writer.Release();
}
}
/// <exception cref="System.IO.IOException"></exception>
private PackFile WritePack <_T0, _T1>(ICollection <_T0> want, ICollection <_T1> have
, ICollection <ObjectId> tagTargets, IList <PackIndex> excludeObjects) where _T0 : ObjectId
where _T1 : ObjectId
{
FilePath tmpPack = null;
FilePath tmpIdx = null;
PackWriter pw = new PackWriter(repo);
try
{
// prepare the PackWriter
pw.SetDeltaBaseAsOffset(true);
pw.SetReuseDeltaCommits(false);
if (tagTargets != null)
{
pw.SetTagTargets(tagTargets);
}
if (excludeObjects != null)
{
foreach (PackIndex idx in excludeObjects)
{
pw.ExcludeObjects(idx);
}
}
pw.PreparePack(pm, want, have);
if (pw.GetObjectCount() == 0)
{
return(null);
}
// create temporary files
string id = pw.ComputeName().GetName();
FilePath packdir = new FilePath(repo.ObjectsDirectory, "pack");
tmpPack = FilePath.CreateTempFile("gc_", ".pack_tmp", packdir);
tmpIdx = new FilePath(packdir, Sharpen.Runtime.Substring(tmpPack.GetName(), 0, tmpPack
.GetName().LastIndexOf('.')) + ".idx_tmp");
if (!tmpIdx.CreateNewFile())
{
throw new IOException(MessageFormat.Format(JGitText.Get().cannotCreateIndexfile,
tmpIdx.GetPath()));
}
// write the packfile
FileChannel channel = new FileOutputStream(tmpPack).GetChannel();
OutputStream channelStream = Channels.NewOutputStream(channel);
try
{
pw.WritePack(pm, pm, channelStream);
}
finally
{
channel.Force(true);
channelStream.Close();
channel.Close();
}
// write the packindex
FileChannel idxChannel = new FileOutputStream(tmpIdx).GetChannel();
OutputStream idxStream = Channels.NewOutputStream(idxChannel);
try
{
pw.WriteIndex(idxStream);
}
finally
{
idxChannel.Force(true);
idxStream.Close();
idxChannel.Close();
}
// rename the temporary files to real files
FilePath realPack = NameFor(id, ".pack");
tmpPack.SetReadOnly();
FilePath realIdx = NameFor(id, ".idx");
realIdx.SetReadOnly();
bool delete = true;
try
{
if (!tmpPack.RenameTo(realPack))
{
return(null);
}
delete = false;
if (!tmpIdx.RenameTo(realIdx))
{
FilePath newIdx = new FilePath(realIdx.GetParentFile(), realIdx.GetName() + ".new"
);
if (!tmpIdx.RenameTo(newIdx))
{
newIdx = tmpIdx;
}
throw new IOException(MessageFormat.Format(JGitText.Get().panicCantRenameIndexFile
, newIdx, realIdx));
}
}
finally
{
if (delete && tmpPack.Exists())
{
tmpPack.Delete();
}
if (delete && tmpIdx.Exists())
{
tmpIdx.Delete();
}
}
return(((ObjectDirectory)repo.ObjectDatabase).OpenPack(realPack, realIdx));
}
finally
{
pw.Release();
if (tmpPack != null && tmpPack.Exists())
{
tmpPack.Delete();
}
if (tmpIdx != null && tmpIdx.Exists())
{
tmpIdx.Delete();
}
}
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private void Sendpack(IList<RemoteRefUpdate> updates, ProgressMonitor monitor)
{
string pathPack = null;
string pathIdx = null;
PackWriter writer = new PackWriter(transport.GetPackConfig(), local.NewObjectReader
());
try
{
IList<ObjectId> need = new AList<ObjectId>();
IList<ObjectId> have = new AList<ObjectId>();
foreach (RemoteRefUpdate r in updates)
{
need.AddItem(r.GetNewObjectId());
}
foreach (Ref r_1 in GetRefs())
{
have.AddItem(r_1.GetObjectId());
if (r_1.GetPeeledObjectId() != null)
{
have.AddItem(r_1.GetPeeledObjectId());
}
}
writer.PreparePack(monitor, need, have);
// We don't have to continue further if the pack will
// be an empty pack, as the remote has all objects it
// needs to complete this change.
//
if (writer.GetObjectCount() == 0)
{
return;
}
packNames = new LinkedHashMap<string, string>();
foreach (string n in dest.GetPackNames())
{
packNames.Put(n, n);
}
string @base = "pack-" + writer.ComputeName().Name;
string packName = @base + ".pack";
pathPack = "pack/" + packName;
pathIdx = "pack/" + @base + ".idx";
if (Sharpen.Collections.Remove(packNames, packName) != null)
{
// The remote already contains this pack. We should
// remove the index before overwriting to prevent bad
// offsets from appearing to clients.
//
dest.WriteInfoPacks(packNames.Keys);
dest.DeleteFile(pathIdx);
}
// Write the pack file, then the index, as readers look the
// other direction (index, then pack file).
//
string wt = "Put " + Sharpen.Runtime.Substring(@base, 0, 12);
OutputStream os = dest.WriteFile(pathPack, monitor, wt + "..pack");
try
{
os = new BufferedOutputStream(os);
writer.WritePack(monitor, monitor, os);
}
finally
{
os.Close();
}
os = dest.WriteFile(pathIdx, monitor, wt + "..idx");
try
{
os = new BufferedOutputStream(os);
writer.WriteIndex(os);
}
finally
{
os.Close();
}
// Record the pack at the start of the pack info list. This
// way clients are likely to consult the newest pack first,
// and discover the most recent objects there.
//
AList<string> infoPacks = new AList<string>();
infoPacks.AddItem(packName);
Sharpen.Collections.AddAll(infoPacks, packNames.Keys);
dest.WriteInfoPacks(infoPacks);
}
catch (IOException err)
{
SafeDelete(pathIdx);
SafeDelete(pathPack);
throw new TransportException(uri, JGitText.Get().cannotStoreObjects, err);
}
finally
{
writer.Release();
}
}