/// <summary>Initialize a new rename operation.</summary>
/// <remarks>Initialize a new rename operation.</remarks>
/// <param name="src">operation to read and delete the source.</param>
/// <param name="dst">operation to create (or overwrite) the destination.</param>
protected internal RefRename(RefUpdate src, RefUpdate dst)
{
source = src;
destination = dst;
string cmd = string.Empty;
if (source.GetName().StartsWith(Constants.R_HEADS) && destination.GetName().StartsWith
(Constants.R_HEADS))
{
cmd = "Branch: ";
}
SetRefLogMessage(cmd + "renamed " + Repository.ShortenRefName(source.GetName()) +
" to " + Repository.ShortenRefName(destination.GetName()));
}
/// <summary>Initialize a new rename operation.</summary>
/// <remarks>Initialize a new rename operation.</remarks>
/// <param name="src">operation to read and delete the source.</param>
/// <param name="dst">operation to create (or overwrite) the destination.</param>
protected internal RefRename(RefUpdate src, RefUpdate dst)
{
source = src;
destination = dst;
string cmd = string.Empty;
if (source.GetName().StartsWith(Constants.R_HEADS) && destination.GetName().StartsWith
(Constants.R_HEADS))
{
cmd = "Branch: ";
}
SetRefLogMessage(cmd + "renamed " + Repository.ShortenRefName(source.GetName()) +
" to " + Repository.ShortenRefName(destination.GetName()));
}
/// <returns>
/// true if the
/// <code>Constants#HEAD</code>
/// reference needs to be linked
/// to the new destination name.
/// </returns>
/// <exception cref="System.IO.IOException">
/// the current value of
/// <code>HEAD</code>
/// cannot be read.
/// </exception>
protected internal virtual bool NeedToUpdateHEAD()
{
Ref head = source.GetRefDatabase().GetRef(Constants.HEAD);
if (head.IsSymbolic())
{
head = head.GetTarget();
return(head.GetName().Equals(source.GetName()));
}
return(false);
}
/// <exception cref="System.IO.IOException"></exception>
private void Delete(RefUpdate @ref, RefUpdate.Result expected, bool exists, bool
removed)
{
NUnit.Framework.Assert.AreEqual(exists, db.GetAllRefs().ContainsKey(@ref.GetName()));
NUnit.Framework.Assert.AreEqual(expected, @ref.Delete());
NUnit.Framework.Assert.AreEqual(!removed, db.GetAllRefs().ContainsKey(@ref.GetName()));
}
private bool RenameLog(RefUpdate src, RefUpdate dst)
{
FilePath srcLog = refdb.GetLogWriter().LogFor(src.GetName());
FilePath dstLog = refdb.GetLogWriter().LogFor(dst.GetName());
if (!srcLog.Exists())
{
return true;
}
if (!Rename(srcLog, dstLog))
{
return false;
}
try
{
int levels = RefDirectory.LevelsIn(src.GetName()) - 2;
RefDirectory.Delete(srcLog, levels);
return true;
}
catch (IOException)
{
Rename(dstLog, srcLog);
return false;
}
}
private bool LinkHEAD(RefUpdate target)
{
try
{
RefUpdate u = ((RefDirectoryUpdate)refdb.NewUpdate(Constants.HEAD, false));
u.DisableRefLog();
switch (u.Link(target.GetName()))
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.FORCED:
case RefUpdate.Result.NO_CHANGE:
{
return true;
}
default:
{
return false;
break;
}
}
}
catch (IOException)
{
return false;
}
}
