public void stored(RefDirectoryUpdate update, long modified)
{
ObjectId target = update.getNewObjectId().Copy();
Ref leaf = update.getRef().getLeaf();
putLooseRef(new LooseUnpeeled(modified, leaf.getName(), target));
}
public void delete(RefDirectoryUpdate update)
{
Ref dst = update.getRef().getLeaf();
string name = dst.getName();
// Write the packed-refs file using an atomic update. We might
// wind up reading it twice, before and after the lock, to ensure
// we don't miss an edit made externally.
PackedRefList packed = getPackedRefs();
if (packed.contains(name))
{
var lck = new LockFile(packedRefsFile);
if (!lck.Lock())
{
throw new IOException("Cannot lock " + packedRefsFile);
}
try
{
PackedRefList cur = readPackedRefs(0, 0);
int idx = cur.find(name);
if (0 <= idx)
{
commitPackedRefs(lck, cur.remove(idx), packed);
}
}
finally
{
lck.Unlock();
}
}
RefList <LooseRef> curLoose, newLoose;
do
{
curLoose = looseRefs.get();
int idx = curLoose.find(name);
if (idx < 0)
{
break;
}
newLoose = curLoose.remove(idx);
} while (!looseRefs.compareAndSet(curLoose, newLoose));
int levels = levelsIn(name) - 2;
delete(logFor(name), levels);
if (dst.getStorage().IsLoose)
{
update.unlock();
delete(fileFor(name), levels);
}
modCnt.incrementAndGet();
fireRefsChanged();
}
protected override RefUpdate.RefUpdateResult doRename()
{
if (source.getRef().isSymbolic())
{
return(RefUpdate.RefUpdateResult.IO_FAILURE); // not supported
}
var rw = new RevWalk.RevWalk(_refdb.getRepository());
_objId = source.getOldObjectId();
_updateHead = needToUpdateHEAD();
_tmp = _refdb.newTemporaryUpdate();
try
{
// First backup the source so its never unreachable.
_tmp.setNewObjectId(_objId);
_tmp.setForceUpdate(true);
_tmp.disableRefLog();
switch (_tmp.update(rw))
{
case RefUpdate.RefUpdateResult.NEW:
case RefUpdate.RefUpdateResult.FORCED:
case RefUpdate.RefUpdateResult.NO_CHANGE:
break;
default:
return(_tmp.getResult());
}
// Save the source's log under the temporary name, we must do
// this before we delete the source, otherwise we lose the log.
if (!renameLog(source, _tmp))
{
return(RefUpdate.RefUpdateResult.IO_FAILURE);
}
// If HEAD has to be updated, link it now to destination.
// We have to link before we delete, otherwise the delete
// fails because its the current branch.
RefUpdate dst = destination;
if (_updateHead)
{
if (!linkHEAD(destination))
{
renameLog(_tmp, source);
return(RefUpdate.RefUpdateResult.LOCK_FAILURE);
}
// Replace the update operation so HEAD will log the rename.
dst = _refdb.newUpdate(Constants.HEAD, false);
dst.setRefLogIdent(destination.getRefLogIdent());
dst.setRefLogMessage(destination.getRefLogMessage(), false);
}
// Delete the source name so its path is free for replacement.
source.setExpectedOldObjectId(_objId);
source.setForceUpdate(true);
source.disableRefLog();
if (source.delete(rw) != RefUpdate.RefUpdateResult.FORCED)
{
renameLog(_tmp, source);
if (_updateHead)
{
linkHEAD(source);
}
return(source.getResult());
}
// Move the log to the destination.
if (!renameLog(_tmp, destination))
{
renameLog(_tmp, source);
source.setExpectedOldObjectId(ObjectId.ZeroId);
source.setNewObjectId(_objId);
source.update(rw);
if (_updateHead)
{
linkHEAD(source);
}
return(RefUpdate.RefUpdateResult.IO_FAILURE);
}
// Create the destination, logging the rename during the creation.
dst.setExpectedOldObjectId(ObjectId.ZeroId);
dst.setNewObjectId(_objId);
if (dst.update(rw) != RefUpdate.RefUpdateResult.NEW)
{
// If we didn't create the destination we have to undo
// our work. Put the log back and restore source.
if (renameLog(destination, _tmp))
{
renameLog(_tmp, source);
}
source.setExpectedOldObjectId(ObjectId.ZeroId);
source.setNewObjectId(_objId);
source.update(rw);
if (_updateHead)
{
linkHEAD(source);
}
return(dst.getResult());
}
return(RefUpdate.RefUpdateResult.RENAMED);
}
finally
{
// Always try to free the temporary name.
try
{
_refdb.delete(_tmp);
}
catch (IOException)
{
_refdb.fileFor(_tmp.getName()).Delete();
}
}
}
public RefDirectoryRename(RefDirectoryUpdate src, RefDirectoryUpdate dst)
: base(src, dst)
{
_refdb = (RefDirectory)src.getRefDatabase();
}
protected override RefUpdate.RefUpdateResult doRename()
{
if (source.getRef().isSymbolic())
return RefUpdate.RefUpdateResult.IO_FAILURE; // not supported
var rw = new RevWalk.RevWalk(_refdb.getRepository());
_objId = source.getOldObjectId();
_updateHead = needToUpdateHEAD();
_tmp = _refdb.newTemporaryUpdate();
try
{
// First backup the source so its never unreachable.
_tmp.setNewObjectId(_objId);
_tmp.setForceUpdate(true);
_tmp.disableRefLog();
switch (_tmp.update(rw))
{
case RefUpdate.RefUpdateResult.NEW:
case RefUpdate.RefUpdateResult.FORCED:
case RefUpdate.RefUpdateResult.NO_CHANGE:
break;
default:
return _tmp.getResult();
}
// Save the source's log under the temporary name, we must do
// this before we delete the source, otherwise we lose the log.
if (!renameLog(source, _tmp))
return RefUpdate.RefUpdateResult.IO_FAILURE;
// If HEAD has to be updated, link it now to destination.
// We have to link before we delete, otherwise the delete
// fails because its the current branch.
RefUpdate dst = destination;
if (_updateHead)
{
if (!linkHEAD(destination))
{
renameLog(_tmp, source);
return RefUpdate.RefUpdateResult.LOCK_FAILURE;
}
// Replace the update operation so HEAD will log the rename.
dst = _refdb.newUpdate(Constants.HEAD, false);
dst.setRefLogIdent(destination.getRefLogIdent());
dst.setRefLogMessage(destination.getRefLogMessage(), false);
}
// Delete the source name so its path is free for replacement.
source.setExpectedOldObjectId(_objId);
source.setForceUpdate(true);
source.disableRefLog();
if (source.delete(rw) != RefUpdate.RefUpdateResult.FORCED)
{
renameLog(_tmp, source);
if (_updateHead)
linkHEAD(source);
return source.getResult();
}
// Move the log to the destination.
if (!renameLog(_tmp, destination))
{
renameLog(_tmp, source);
source.setExpectedOldObjectId(ObjectId.ZeroId);
source.setNewObjectId(_objId);
source.update(rw);
if (_updateHead)
linkHEAD(source);
return RefUpdate.RefUpdateResult.IO_FAILURE;
}
// Create the destination, logging the rename during the creation.
dst.setExpectedOldObjectId(ObjectId.ZeroId);
dst.setNewObjectId(_objId);
if (dst.update(rw) != RefUpdate.RefUpdateResult.NEW)
{
// If we didn't create the destination we have to undo
// our work. Put the log back and restore source.
if (renameLog(destination, _tmp))
renameLog(_tmp, source);
source.setExpectedOldObjectId(ObjectId.ZeroId);
source.setNewObjectId(_objId);
source.update(rw);
if (_updateHead)
linkHEAD(source);
return dst.getResult();
}
return RefUpdate.RefUpdateResult.RENAMED;
}
finally
{
// Always try to free the temporary name.
try
{
_refdb.delete(_tmp);
}
catch (IOException)
{
_refdb.fileFor(_tmp.getName()).Delete();
}
}
}
public RefDirectoryRename(RefDirectoryUpdate src, RefDirectoryUpdate dst)
: base(src, dst)
{
_refdb = (RefDirectory)src.getRefDatabase();
}
public void storedSymbolicRef(RefDirectoryUpdate u, long modified, string target)
{
putLooseRef(newSymbolicRef(modified, u.getRef().getName(), target));
fireRefsChanged();
}
