private bool renameLog(RefUpdate src, RefUpdate dst)
{
FileInfo srcLog = _refdb.logFor(src.getName());
FileInfo dstLog = _refdb.logFor(dst.getName());
if (!srcLog.Exists)
{
return(true);
}
if (!rename(srcLog.FullName, dstLog.FullName))
{
return(false);
}
// There be dragons
try
{
int levels = RefDirectory.levelsIn(src.getName()) - 2;
RefDirectory.delete(srcLog, levels);
return(true);
}
catch (IOException)
{
rename(dstLog.FullName, srcLog.FullName);
return(false);
}
}
/// <summary>
/// Initialize a new rename operation.
/// </summary>
/// <param name="src">operation to read and delete the source.</param>
/// <param name="dst">operation to create (or overwrite) the destination.</param>
protected RefRename(RefUpdate src, RefUpdate dst) {
source = src;
destination = dst;
Repository repo = destination.getRepository();
string cmd = "";
if (source.getName().StartsWith(Constants.R_HEADS)
&& destination.getName().StartsWith(Constants.R_HEADS))
cmd = "Branch: ";
setRefLogMessage(cmd + "renamed "
+ repo.ShortenRefName(source.getName()) + " to "
+ repo.ShortenRefName(destination.getName()));
}
/// <summary>
/// Initialize a new rename operation.
/// </summary>
/// <param name="src">operation to read and delete the source.</param>
/// <param name="dst">operation to create (or overwrite) the destination.</param>
protected RefRename(RefUpdate src, RefUpdate dst)
{
source = src;
destination = dst;
Repository repo = destination.getRepository();
string cmd = "";
if (source.getName().StartsWith(Constants.R_HEADS) &&
destination.getName().StartsWith(Constants.R_HEADS))
{
cmd = "Branch: ";
}
setRefLogMessage(cmd + "renamed "
+ repo.ShortenRefName(source.getName()) + " to "
+ repo.ShortenRefName(destination.getName()));
}
/// <returns>
/// true if the {@code Constants#HEAD} reference needs to be linked
/// to the new destination name.
/// </returns>
protected bool needToUpdateHEAD()
{
Ref head = source.getRefDatabase().getRef(Constants.HEAD);
if (head.isSymbolic())
{
head = head.getTarget();
return(head.getName().Equals(source.getName()));
}
return(false);
}
private bool linkHEAD(RefUpdate target)
{
try
{
RefUpdate u = _refdb.newUpdate(Constants.HEAD, false);
u.disableRefLog();
switch (u.link(target.getName()))
{
case RefUpdate.RefUpdateResult.NEW:
case RefUpdate.RefUpdateResult.FORCED:
case RefUpdate.RefUpdateResult.NO_CHANGE:
return(true);
default:
return(false);
}
}
catch (IOException)
{
return(false);
}
}
private bool renameLog(RefUpdate src, RefUpdate dst)
{
FileInfo srcLog = _refdb.logFor(src.getName());
FileInfo dstLog = _refdb.logFor(dst.getName());
if (!srcLog.Exists)
return true;
if (!rename(srcLog.FullName, dstLog.FullName))
return false;
// There be dragons
try
{
int levels = RefDirectory.levelsIn(src.getName()) - 2;
RefDirectory.delete(srcLog, levels);
return true;
}
catch (IOException)
{
rename(dstLog.FullName, srcLog.FullName);
return false;
}
}
private bool linkHEAD(RefUpdate target)
{
try
{
RefUpdate u = _refdb.newUpdate(Constants.HEAD, false);
u.disableRefLog();
switch (u.link(target.getName()))
{
case RefUpdate.RefUpdateResult.NEW:
case RefUpdate.RefUpdateResult.FORCED:
case RefUpdate.RefUpdateResult.NO_CHANGE:
return true;
default:
return false;
}
}
catch (IOException e)
{
return false;
}
}