public void makeDir(String path) throws SVNException {
SVNPathUtil.checkPathIsValid(path);
FSTransactionRoot txnRoot = getTxnRoot();
String txnId = txnRoot.getTxnID();
FSParentPath parentPath = txnRoot.openPath(path, false, true);
if (parentPath.getRevNode() != null) {
SVNErrorManager.error(FSErrors.errorAlreadyExists(txnRoot, path, myFSFS), SVNLogType.FSFS);
}
if ((txnRoot.getTxnFlags() & FSTransactionRoot.SVN_FS_TXN_CHECK_LOCKS) != 0) {
FSCommitter.allowLockedOperation(myFSFS, path, myAuthor, myLockTokens, true, false);
}
makePathMutable(parentPath.getParent(), path);
FSRevisionNode subDirNode =
makeEntry(
parentPath.getParent().getRevNode(),
parentPath.getParent().getAbsPath(),
parentPath.getEntryName(),
true,
txnId);
txnRoot.putRevNodeToCache(parentPath.getAbsPath(), subDirNode);
addChange(
path,
subDirNode.getId(),
FSPathChangeKind.FS_PATH_CHANGE_ADD,
false,
false,
SVNRepository.INVALID_REVISION,
null,
SVNNodeKind.DIR);
}
private FSID createNode(FSRevisionNode revNode, String copyId, String txnId) throws SVNException {
FSTransactionRoot txnRoot = getTxnRoot();
String nodeId = txnRoot.getNewTxnNodeId();
FSID id = FSID.createTxnId(nodeId, copyId, txnId);
revNode.setId(id);
revNode.setIsFreshTxnRoot(false);
myFSFS.putTxnRevisionNode(id, revNode);
return id;
}
private static boolean areRepresentationsEqual(
FSRevisionNode revNode1, FSRevisionNode revNode2, boolean forProperties) {
if (revNode1 == revNode2) {
return true;
} else if (revNode1 == null || revNode2 == null) {
return false;
}
return FSRepresentation.compareRepresentations(
forProperties ? revNode1.getPropsRepresentation() : revNode1.getTextRepresentation(),
forProperties ? revNode2.getPropsRepresentation() : revNode2.getTextRepresentation());
}
public static void mergeChanges(
FSFS owner, FSTransactionRoot txnRoot, FSRevisionNode sourceNode, StringBuffer conflictPath)
throws SVNException {
FSRevisionNode txnRootNode = txnRoot.getRootRevisionNode();
FSRevisionNode ancestorNode = txnRoot.getTxnBaseRootNode();
if (txnRootNode.getId().equals(ancestorNode.getId())) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.UNKNOWN, "FATAL error: no changes in transaction to commit");
SVNErrorManager.error(err, SVNLogType.FSFS);
} else {
merge(owner, "/", txnRootNode, sourceNode, ancestorNode, txnRoot, conflictPath);
}
}
public static InputStream createDeltaStream(
SVNDeltaCombiner combiner, FSRevisionNode fileNode, FSFS owner) throws SVNException {
if (fileNode == null) {
return SVNFileUtil.DUMMY_IN;
} else if (fileNode.getType() != SVNNodeKind.FILE) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_FILE, "Attempted to get textual contents of a *non*-file node");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
FSRepresentation representation = fileNode.getTextRepresentation();
if (representation == null) {
return SVNFileUtil.DUMMY_IN;
}
return new FSInputStream(combiner, representation, owner);
}
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);
}
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;
}
private void copy(
FSRevisionNode toNode,
String entryName,
FSRevisionNode fromNode,
boolean preserveHistory,
long fromRevision,
String fromPath,
String txnId)
throws SVNException {
FSID id = null;
FSTransactionRoot txnRoot = getTxnRoot();
if (preserveHistory) {
FSID srcId = fromNode.getId();
FSRevisionNode toRevNode = FSRevisionNode.dumpRevisionNode(fromNode);
String copyId = reserveCopyId(txnId);
toRevNode.setPredecessorId(srcId);
if (toRevNode.getCount() != -1) {
toRevNode.setCount(toRevNode.getCount() + 1);
}
String createdPath =
SVNPathUtil.getAbsolutePath(SVNPathUtil.append(toNode.getCreatedPath(), entryName));
toRevNode.setCreatedPath(createdPath);
toRevNode.setCopyFromPath(fromPath);
toRevNode.setCopyFromRevision(fromRevision);
toRevNode.setCopyRootPath(null);
id = txnRoot.createSuccessor(srcId, toRevNode, copyId);
} else {
id = fromNode.getId();
}
txnRoot.setEntry(toNode, entryName, id, fromNode.getType());
}
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);
}
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;
}
public void makeCopy(
FSRevisionRoot fromRoot, String fromPath, String toPath, boolean preserveHistory)
throws SVNException {
FSTransactionRoot txnRoot = getTxnRoot();
String txnId = txnRoot.getTxnID();
FSRevisionNode fromNode = fromRoot.getRevisionNode(fromPath);
FSParentPath toParentPath = txnRoot.openPath(toPath, false, true);
if ((txnRoot.getTxnFlags() & FSTransactionRoot.SVN_FS_TXN_CHECK_LOCKS) != 0) {
FSCommitter.allowLockedOperation(myFSFS, toPath, myAuthor, myLockTokens, true, false);
}
if (toParentPath.getRevNode() != null
&& toParentPath.getRevNode().getId().equals(fromNode.getId())) {
return;
}
FSPathChangeKind changeKind;
long mergeInfoStart = 0;
if (toParentPath.getRevNode() != null) {
changeKind = FSPathChangeKind.FS_PATH_CHANGE_REPLACE;
if (myFSFS.supportsMergeInfo()) {
mergeInfoStart = toParentPath.getRevNode().getMergeInfoCount();
}
} else {
changeKind = FSPathChangeKind.FS_PATH_CHANGE_ADD;
}
makePathMutable(toParentPath.getParent(), toPath);
String fromCanonPath = SVNPathUtil.canonicalizeAbsolutePath(fromPath);
copy(
toParentPath.getParent().getRevNode(),
toParentPath.getEntryName(),
fromNode,
preserveHistory,
fromRoot.getRevision(),
fromCanonPath,
txnId);
if (changeKind == FSPathChangeKind.FS_PATH_CHANGE_REPLACE) {
txnRoot.removeRevNodeFromCache(toParentPath.getAbsPath());
}
long mergeInfoEnd = 0;
if (myFSFS.supportsMergeInfo()) {
mergeInfoEnd = fromNode.getMergeInfoCount();
if (mergeInfoStart != mergeInfoEnd) {
incrementMergeInfoUpTree(toParentPath.getParent(), mergeInfoEnd - mergeInfoStart);
}
}
FSRevisionNode newNode = txnRoot.getRevisionNode(toPath);
addChange(
toPath,
newNode.getId(),
changeKind,
false,
false,
fromRoot.getRevision(),
fromCanonPath,
fromNode.getType());
}
public void close() throws IOException {
if (myIsClosed) {
return;
}
myIsClosed = true;
final long truncateToSize[] = new long[] {-1};
try {
ByteArrayInputStream target = new ByteArrayInputStream(myTextBuffer.toByteArray());
myDeltaGenerator.sendDelta(null, mySourceStream, mySourceOffset, target, this, false);
final FSRepresentation rep = new FSRepresentation();
rep.setOffset(myRepOffset);
long offset = myTargetFileOS.getPosition();
rep.setSize(offset - myDeltaStart);
rep.setExpandedSize(myRepSize);
rep.setTxnId(myRevNode.getId().getTxnID());
String uniqueSuffix = myTxnRoot.getNewTxnNodeId();
String uniquifier = rep.getTxnId() + '/' + uniqueSuffix;
rep.setUniquifier(uniquifier);
rep.setRevision(SVNRepository.INVALID_REVISION);
rep.setMD5HexDigest(SVNFileUtil.toHexDigest(myMD5Digest));
rep.setSHA1HexDigest(SVNFileUtil.toHexDigest(mySHA1Digest));
FSFS fsfs = myTxnRoot.getOwner();
final IFSRepresentationCacheManager reposCacheManager = fsfs.getRepositoryCacheManager();
if (reposCacheManager != null) {
try {
reposCacheManager.runReadTransaction(
new IFSSqlJetTransaction() {
public void run() throws SVNException {
final FSRepresentation oldRep =
reposCacheManager.getRepresentationByHash(rep.getSHA1HexDigest());
if (oldRep != null) {
oldRep.setUniquifier(rep.getUniquifier());
oldRep.setMD5HexDigest(rep.getMD5HexDigest());
truncateToSize[0] = myRepOffset;
myRevNode.setTextRepresentation(oldRep);
}
}
});
} catch (SVNException e) {
// explicitly ignore.
SVNDebugLog.getDefaultLog().logError(SVNLogType.FSFS, e);
}
}
if (truncateToSize[0] < 0) {
myTargetFileOS.write("ENDREP\n".getBytes("UTF-8"));
myRevNode.setTextRepresentation(rep);
}
myRevNode.setIsFreshTxnRoot(false);
fsfs.putTxnRevisionNode(myRevNode.getId(), myRevNode);
} catch (SVNException svne) {
throw new IOException(svne.getMessage());
} finally {
closeStreams(truncateToSize[0]);
try {
myTxnLock.unlock();
} catch (SVNException e) {
//
}
FSWriteLock.release(myTxnLock);
}
}
public static OutputStream createStream(
FSRevisionNode revNode, FSTransactionRoot txnRoot, OutputStream dstStream, boolean compress)
throws SVNException {
if (revNode.getType() != SVNNodeKind.FILE) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_FILE, "Attempted to set textual contents of a *non*-file node");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
if (!revNode.getId().isTxn()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.FS_NOT_MUTABLE,
"Attempted to set textual contents of an immutable node");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
OutputStream targetOS = null;
InputStream sourceStream = null;
long offset = -1;
long deltaStart = -1;
FSWriteLock txnLock = null;
try {
txnLock = FSWriteLock.getWriteLockForTxn(txnRoot.getTxnID(), txnRoot.getOwner());
txnLock.lock();
File targetFile = txnRoot.getTransactionProtoRevFile();
offset = targetFile.length();
targetOS = SVNFileUtil.openFileForWriting(targetFile, true);
CountingOutputStream revWriter = new CountingOutputStream(targetOS, offset);
FSRepresentation baseRep = revNode.chooseDeltaBase(txnRoot.getOwner());
sourceStream =
FSInputStream.createDeltaStream(new SVNDeltaCombiner(), baseRep, txnRoot.getOwner());
String header;
if (baseRep != null) {
header =
FSRepresentation.REP_DELTA
+ " "
+ baseRep.getRevision()
+ " "
+ baseRep.getOffset()
+ " "
+ baseRep.getSize()
+ "\n";
} else {
header = FSRepresentation.REP_DELTA + "\n";
}
revWriter.write(header.getBytes("UTF-8"));
deltaStart = revWriter.getPosition();
if (dstStream instanceof FSOutputStream) {
FSOutputStream fsOS = (FSOutputStream) dstStream;
fsOS.reset(
revNode, revWriter, targetFile, sourceStream, deltaStart, 0, offset, txnRoot, txnLock);
return dstStream;
}
return new FSOutputStream(
revNode,
revWriter,
targetFile,
sourceStream,
deltaStart,
0,
offset,
txnRoot,
compress,
txnLock);
} catch (IOException ioe) {
SVNFileUtil.closeFile(targetOS);
SVNFileUtil.closeFile(sourceStream);
txnLock.unlock();
FSWriteLock.release(txnLock);
SVNErrorMessage err =
SVNErrorMessage.create(SVNErrorCode.IO_ERROR, ioe.getLocalizedMessage());
SVNErrorManager.error(err, ioe, SVNLogType.FSFS);
} catch (SVNException svne) {
if (txnLock != null) {
txnLock.unlock();
FSWriteLock.release(txnLock);
}
SVNFileUtil.closeFile(targetOS);
SVNFileUtil.closeFile(sourceStream);
throw svne;
}
return null;
}
