/// <exception cref="NGit.Errors.TransportException"></exception>
private Ref ReadRef(SortedDictionary <string, Ref> avail, string rn)
{
string s;
string @ref = WalkRemoteObjectDatabase.ROOT_DIR + rn;
try
{
BufferedReader br = this.OpenReader(@ref);
try
{
s = br.ReadLine();
}
finally
{
br.Close();
}
}
catch (FileNotFoundException)
{
return(null);
}
catch (IOException err)
{
throw new TransportException(this.GetURI(), MessageFormat.Format(JGitText.Get().transportExceptionReadRef
, @ref), err);
}
if (s == null)
{
throw new TransportException(this.GetURI(), MessageFormat.Format(JGitText.Get().transportExceptionEmptyRef
, rn));
}
if (s.StartsWith("ref: "))
{
string target = Sharpen.Runtime.Substring(s, "ref: ".Length);
Ref r = avail.Get(target);
if (r == null)
{
r = this.ReadRef(avail, target);
}
if (r == null)
{
r = new ObjectIdRef.Unpeeled(RefStorage.NEW, target, null);
}
r = new SymbolicRef(rn, r);
avail.Put(r.GetName(), r);
return(r);
}
if (ObjectId.IsId(s))
{
Ref r = new ObjectIdRef.Unpeeled(this.Loose(avail.Get(rn)), rn, ObjectId.FromString
(s));
avail.Put(r.GetName(), r);
return(r);
}
throw new TransportException(this.GetURI(), MessageFormat.Format(JGitText.Get().transportExceptionBadRef
, rn, s));
}
/// <exception cref="NGit.Errors.TransportException"></exception>
private Ref ReadRef(SortedDictionary <string, Ref> avail, string path, string name
)
{
string line;
try
{
BufferedReader br = this.OpenReader(path);
try
{
line = br.ReadLine();
}
finally
{
br.Close();
}
}
catch (FileNotFoundException)
{
return(null);
}
catch (IOException err)
{
throw new TransportException("Cannot read " + this.objectsPath + "/" + path + ": "
+ err.Message, err);
}
if (line == null)
{
throw new TransportException("Empty ref: " + name);
}
if (line.StartsWith("ref: "))
{
string target = Sharpen.Runtime.Substring(line, "ref: ".Length);
Ref r = avail.Get(target);
if (r == null)
{
r = this.ReadRef(avail, WalkRemoteObjectDatabase.ROOT_DIR + target, target);
}
if (r == null)
{
r = new ObjectIdRef.Unpeeled(RefStorage.NEW, target, null);
}
r = new SymbolicRef(name, r);
avail.Put(r.GetName(), r);
return(r);
}
if (ObjectId.IsId(line))
{
Ref r = new ObjectIdRef.Unpeeled(this.Loose(avail.Get(name)), name, ObjectId.FromString
(line));
avail.Put(r.GetName(), r);
return(r);
}
throw new TransportException("Bad ref: " + name + ": " + line);
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Errors.PackProtocolException"></exception>
private FetchConnection NewDumbConnection(InputStream @in)
{
TransportHttp.HttpObjectDB d = new TransportHttp.HttpObjectDB(this, objectsUrl);
BufferedReader br = ToBufferedReader(@in);
IDictionary <string, Ref> refs;
try
{
refs = d.ReadAdvertisedImpl(br);
}
finally
{
br.Close();
}
if (!refs.ContainsKey(Constants.HEAD))
{
// If HEAD was not published in the info/refs file (it usually
// is not there) download HEAD by itself as a loose file and do
// the resolution by hand.
//
HttpURLConnection conn = HttpOpen(new Uri(baseUrl, Constants.HEAD));
int status = HttpSupport.Response(conn);
switch (status)
{
case HttpURLConnection.HTTP_OK:
{
br = ToBufferedReader(OpenInputStream(conn));
try
{
string line = br.ReadLine();
if (line != null && line.StartsWith(RefDirectory.SYMREF))
{
string target = Sharpen.Runtime.Substring(line, RefDirectory.SYMREF.Length);
Ref r = refs.Get(target);
if (r == null)
{
r = new ObjectIdRef.Unpeeled(RefStorage.NEW, target, null);
}
r = new SymbolicRef(Constants.HEAD, r);
refs.Put(r.GetName(), r);
}
else
{
if (line != null && ObjectId.IsId(line))
{
Ref r = new ObjectIdRef.Unpeeled(RefStorage.NETWORK, Constants.HEAD, ObjectId.FromString
(line));
refs.Put(r.GetName(), r);
}
}
}
finally
{
br.Close();
}
break;
}
case HttpURLConnection.HTTP_NOT_FOUND:
{
break;
}
default:
{
throw new TransportException(uri, MessageFormat.Format(JGitText.Get().cannotReadHEAD
, status, conn.GetResponseMessage()));
}
}
}
WalkFetchConnection wfc = new WalkFetchConnection(this, d);
wfc.Available(refs);
return(wfc);
}