private static void updateAncestry(
FSFS owner, FSID sourceId, FSID targetId, String targetPath, long sourcePredecessorCount)
throws SVNException {
if (!targetId.isTxn()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_MUTABLE, "Unexpected immutable node at ''{0}''", targetPath);
SVNErrorManager.error(err, SVNLogType.FSFS);
}
FSRevisionNode revNode = owner.getRevisionNode(targetId);
revNode.setPredecessorId(sourceId);
revNode.setCount(
sourcePredecessorCount != -1 ? sourcePredecessorCount + 1 : sourcePredecessorCount);
revNode.setIsFreshTxnRoot(false);
owner.putTxnRevisionNode(targetId, revNode);
}
public FSRevisionNode makeEntry(
FSRevisionNode parent, String parentPath, String entryName, boolean isDir, String txnId)
throws SVNException {
if (!SVNPathUtil.isSinglePathComponent(entryName)) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_SINGLE_PATH_COMPONENT,
"Attempted to create a node with an illegal name ''{0}''",
entryName);
SVNErrorManager.error(err, SVNLogType.FSFS);
}
if (parent.getType() != SVNNodeKind.DIR) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_DIRECTORY, "Attempted to create entry in non-directory parent");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
if (!parent.getId().isTxn()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_MUTABLE, "Attempted to clone child of non-mutable node");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
FSRevisionNode newRevNode = new FSRevisionNode();
newRevNode.setType(isDir ? SVNNodeKind.DIR : SVNNodeKind.FILE);
String createdPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(parentPath, entryName));
newRevNode.setCreatedPath(createdPath);
newRevNode.setCopyRootPath(parent.getCopyRootPath());
newRevNode.setCopyRootRevision(parent.getCopyRootRevision());
newRevNode.setCopyFromRevision(SVNRepository.INVALID_REVISION);
newRevNode.setCopyFromPath(null);
FSID newNodeId = createNode(newRevNode, parent.getId().getCopyID(), txnId);
FSRevisionNode childNode = myFSFS.getRevisionNode(newNodeId);
FSTransactionRoot txnRoot = getTxnRoot();
txnRoot.setEntry(parent, entryName, childNode.getId(), newRevNode.getType());
return childNode;
}
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;
}
public void makePathMutable(FSParentPath parentPath, String errorPath) throws SVNException {
FSTransactionRoot txnRoot = getTxnRoot();
String txnId = txnRoot.getTxnID();
if (parentPath.getRevNode().getId().isTxn()) {
return;
}
FSRevisionNode clone = null;
if (parentPath.getParent() != null) {
makePathMutable(parentPath.getParent(), errorPath);
FSID parentId = null;
String copyId = null;
switch (parentPath.getCopyStyle()) {
case FSCopyInheritance.COPY_ID_INHERIT_PARENT:
parentId = parentPath.getParent().getRevNode().getId();
copyId = parentId.getCopyID();
break;
case FSCopyInheritance.COPY_ID_INHERIT_NEW:
copyId = reserveCopyId(txnId);
break;
case FSCopyInheritance.COPY_ID_INHERIT_SELF:
copyId = null;
break;
case FSCopyInheritance.COPY_ID_INHERIT_UNKNOWN:
default:
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.UNKNOWN,
"FATAL error: can not make path ''{0}'' mutable",
errorPath);
SVNErrorManager.error(err, SVNLogType.FSFS);
}
String copyRootPath = parentPath.getRevNode().getCopyRootPath();
long copyRootRevision = parentPath.getRevNode().getCopyRootRevision();
FSRoot copyrootRoot = myFSFS.createRevisionRoot(copyRootRevision);
FSRevisionNode copyRootNode = copyrootRoot.getRevisionNode(copyRootPath);
FSID childId = parentPath.getRevNode().getId();
FSID copyRootId = copyRootNode.getId();
boolean isParentCopyRoot = false;
if (!childId.getNodeID().equals(copyRootId.getNodeID())) {
isParentCopyRoot = true;
}
String clonePath = parentPath.getParent().getAbsPath();
clone =
txnRoot.cloneChild(
parentPath.getParent().getRevNode(),
clonePath,
parentPath.getEntryName(),
copyId,
isParentCopyRoot);
txnRoot.putRevNodeToCache(parentPath.getAbsPath(), clone);
} else {
FSTransactionInfo txn = txnRoot.getTxn();
if (txn.getRootID().equals(txn.getBaseID())) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.UNKNOWN,
"FATAL error: txn ''{0}'' root id ''{1}'' matches base id ''{2}''",
new Object[] {txnId, txn.getRootID(), txn.getBaseID()});
SVNErrorManager.error(err, SVNLogType.FSFS);
}
clone = myFSFS.getRevisionNode(txn.getRootID());
}
parentPath.setRevNode(clone);
}
