public void deleteNode(String path) throws SVNException {
FSTransactionRoot txnRoot = getTxnRoot();
FSParentPath parentPath = txnRoot.openPath(path, true, true);
SVNNodeKind kind = parentPath.getRevNode().getType();
if (parentPath.getParent() == null) {
SVNErrorMessage err =
SVNErrorMessage.create(SVNErrorCode.FS_ROOT_DIR, "The root directory cannot be deleted");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
if ((txnRoot.getTxnFlags() & FSTransactionRoot.SVN_FS_TXN_CHECK_LOCKS) != 0) {
allowLockedOperation(myFSFS, path, myAuthor, myLockTokens, true, false);
}
makePathMutable(parentPath.getParent(), path);
txnRoot.deleteEntry(parentPath.getParent().getRevNode(), parentPath.getEntryName());
txnRoot.removeRevNodeFromCache(parentPath.getAbsPath());
if (myFSFS.supportsMergeInfo()) {
long mergeInfoCount = parentPath.getRevNode().getMergeInfoCount();
if (mergeInfoCount > 0) {
incrementMergeInfoUpTree(parentPath.getParent(), -mergeInfoCount);
}
}
addChange(
path,
parentPath.getRevNode().getId(),
FSPathChangeKind.FS_PATH_CHANGE_DELETE,
false,
false,
SVNRepository.INVALID_REVISION,
null,
kind);
}
private static long merge(
FSFS owner,
String targetPath,
FSRevisionNode target,
FSRevisionNode source,
FSRevisionNode ancestor,
FSTransactionRoot txnRoot,
StringBuffer conflictPath)
throws SVNException {
FSID sourceId = source.getId();
FSID targetId = target.getId();
FSID ancestorId = ancestor.getId();
long mergeInfoIncrement = 0;
if (ancestorId.equals(targetId)) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_GENERAL,
"Bad merge; target ''{0}'' has id ''{1}'', same as ancestor",
new Object[] {targetPath, targetId});
SVNErrorManager.error(err, SVNLogType.FSFS);
}
if (ancestorId.equals(sourceId) || sourceId.equals(targetId)) {
return mergeInfoIncrement;
}
if (source.getType() != SVNNodeKind.DIR
|| target.getType() != SVNNodeKind.DIR
|| ancestor.getType() != SVNNodeKind.DIR) {
SVNErrorManager.error(FSErrors.errorConflict(targetPath, conflictPath), SVNLogType.FSFS);
}
if (!FSRepresentation.compareRepresentations(
target.getPropsRepresentation(), ancestor.getPropsRepresentation())) {
SVNErrorManager.error(FSErrors.errorConflict(targetPath, conflictPath), SVNLogType.FSFS);
}
Map sourceEntries = source.getDirEntries(owner);
Map targetEntries = target.getDirEntries(owner);
Map ancestorEntries = ancestor.getDirEntries(owner);
Set removedEntries = new SVNHashSet();
for (Iterator ancestorEntryNames = ancestorEntries.keySet().iterator();
ancestorEntryNames.hasNext(); ) {
String ancestorEntryName = (String) ancestorEntryNames.next();
FSEntry ancestorEntry = (FSEntry) ancestorEntries.get(ancestorEntryName);
FSEntry sourceEntry =
removedEntries.contains(ancestorEntryName)
? null
: (FSEntry) sourceEntries.get(ancestorEntryName);
FSEntry targetEntry = (FSEntry) targetEntries.get(ancestorEntryName);
if (sourceEntry != null && ancestorEntry.getId().equals(sourceEntry.getId())) {
/*
* No changes were made to this entry while the transaction was
* in progress, so do nothing to the target.
*/
} else if (targetEntry != null && ancestorEntry.getId().equals(targetEntry.getId())) {
if (owner.supportsMergeInfo()) {
FSRevisionNode targetEntryNode = owner.getRevisionNode(targetEntry.getId());
long mergeInfoStart = targetEntryNode.getMergeInfoCount();
mergeInfoIncrement -= mergeInfoStart;
}
if (sourceEntry != null) {
if (owner.supportsMergeInfo()) {
FSRevisionNode sourceEntryNode = owner.getRevisionNode(sourceEntry.getId());
long mergeInfoEnd = sourceEntryNode.getMergeInfoCount();
mergeInfoIncrement += mergeInfoEnd;
}
txnRoot.setEntry(target, ancestorEntryName, sourceEntry.getId(), sourceEntry.getType());
} else {
txnRoot.deleteEntry(target, ancestorEntryName);
}
} else {
if (sourceEntry == null || targetEntry == null) {
SVNErrorManager.error(
FSErrors.errorConflict(
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(targetPath, ancestorEntryName)),
conflictPath),
SVNLogType.FSFS);
}
if (sourceEntry.getType() == SVNNodeKind.FILE
|| targetEntry.getType() == SVNNodeKind.FILE
|| ancestorEntry.getType() == SVNNodeKind.FILE) {
SVNErrorManager.error(
FSErrors.errorConflict(
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(targetPath, ancestorEntryName)),
conflictPath),
SVNLogType.FSFS);
}
if (!sourceEntry.getId().getNodeID().equals(ancestorEntry.getId().getNodeID())
|| !sourceEntry.getId().getCopyID().equals(ancestorEntry.getId().getCopyID())
|| !targetEntry.getId().getNodeID().equals(ancestorEntry.getId().getNodeID())
|| !targetEntry.getId().getCopyID().equals(ancestorEntry.getId().getCopyID())) {
SVNErrorManager.error(
FSErrors.errorConflict(
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(targetPath, ancestorEntryName)),
conflictPath),
SVNLogType.FSFS);
}
FSRevisionNode sourceEntryNode = owner.getRevisionNode(sourceEntry.getId());
FSRevisionNode targetEntryNode = owner.getRevisionNode(targetEntry.getId());
FSRevisionNode ancestorEntryNode = owner.getRevisionNode(ancestorEntry.getId());
String childTargetPath =
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(targetPath, targetEntry.getName()));
long subMergeInfoIncrement =
merge(
owner,
childTargetPath,
targetEntryNode,
sourceEntryNode,
ancestorEntryNode,
txnRoot,
conflictPath);
if (owner.supportsMergeInfo()) {
mergeInfoIncrement += subMergeInfoIncrement;
}
}
removedEntries.add(ancestorEntryName);
}
for (Iterator sourceEntryNames = sourceEntries.keySet().iterator();
sourceEntryNames.hasNext(); ) {
String sourceEntryName = (String) sourceEntryNames.next();
if (removedEntries.contains(sourceEntryName)) {
continue;
}
FSEntry sourceEntry = (FSEntry) sourceEntries.get(sourceEntryName);
FSEntry targetEntry = (FSEntry) targetEntries.get(sourceEntryName);
if (targetEntry != null) {
SVNErrorManager.error(
FSErrors.errorConflict(
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(targetPath, targetEntry.getName())),
conflictPath),
SVNLogType.FSFS);
}
if (owner.supportsMergeInfo()) {
FSRevisionNode sourceEntryNode = owner.getRevisionNode(sourceEntry.getId());
long mergeInfoCount = sourceEntryNode.getMergeInfoCount();
mergeInfoIncrement += mergeInfoCount;
}
txnRoot.setEntry(target, sourceEntry.getName(), sourceEntry.getId(), sourceEntry.getType());
}
long sourceCount = source.getCount();
updateAncestry(owner, sourceId, targetId, targetPath, sourceCount);
if (owner.supportsMergeInfo()) {
txnRoot.incrementMergeInfoCount(target, mergeInfoIncrement);
}
return mergeInfoIncrement;
}