/// <exception cref="System.IO.IOException"></exception>
private static void Write(FilePath[] files, PackWriter pw)
{
long begin = files[0].GetParentFile().LastModified();
NullProgressMonitor m = NullProgressMonitor.INSTANCE;
OutputStream @out;
@out = new SafeBufferedOutputStream(new FileOutputStream(files[0]));
try
{
pw.WritePack(m, m, @out);
}
finally
{
@out.Close();
}
@out = new SafeBufferedOutputStream(new FileOutputStream(files[1]));
try
{
pw.WriteIndex(@out);
}
finally
{
@out.Close();
}
Touch(begin, files[0].GetParentFile());
}
/// <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();
}
}
public virtual void TestAbbreviateIsActuallyUnique()
{
// This test is far more difficult. We have to manually craft
// an input that contains collisions at a particular prefix,
// but this is computationally difficult. Instead we force an
// index file to have what we want.
//
ObjectId id = Id("9d5b926ed164e8ee88d3b8b1e525d699adda01ba");
byte[] idBuf = ToByteArray(id);
IList <PackedObjectInfo> objects = new AList <PackedObjectInfo>();
for (int i = 0; i < 256; i++)
{
idBuf[9] = unchecked ((byte)i);
objects.AddItem(new PackedObjectInfo(ObjectId.FromRaw(idBuf)));
}
string packName = "pack-" + id.Name;
FilePath packDir = new FilePath(((ObjectDirectory)db.ObjectDatabase).GetDirectory
(), "pack");
FilePath idxFile = new FilePath(packDir, packName + ".idx");
FilePath packFile = new FilePath(packDir, packName + ".pack");
FileUtils.Mkdir(packDir, true);
OutputStream dst = new SafeBufferedOutputStream(new FileOutputStream(idxFile));
try
{
PackIndexWriter writer = new PackIndexWriterV2(dst);
writer.Write(objects, new byte[Constants.OBJECT_ID_LENGTH]);
}
finally
{
dst.Close();
}
new FileOutputStream(packFile).Close();
NUnit.Framework.Assert.AreEqual(id.Abbreviate(20), reader.Abbreviate(id, 2));
AbbreviatedObjectId abbrev8 = id.Abbreviate(8);
ICollection <ObjectId> matches = reader.Resolve(abbrev8);
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(objects.Count, matches.Count);
foreach (PackedObjectInfo info in objects)
{
NUnit.Framework.Assert.IsTrue(matches.Contains(info), "contains " + info.Name);
}
try
{
db.Resolve(abbrev8.Name);
NUnit.Framework.Assert.Fail("did not throw AmbiguousObjectException");
}
catch (AmbiguousObjectException err)
{
NUnit.Framework.Assert.AreEqual(abbrev8, err.GetAbbreviatedObjectId());
matches = err.GetCandidates();
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(objects.Count, matches.Count);
foreach (PackedObjectInfo info_1 in objects)
{
NUnit.Framework.Assert.IsTrue(matches.Contains(info_1), "contains " + info_1.Name
);
}
}
NUnit.Framework.Assert.AreEqual(id, db.Resolve(id.Abbreviate(20).Name));
}