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/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Matt McCutchen <hashproduct+eclipse@gmail.com> - Bug 179174 CVS client sets timestamps back when replacing
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.operations;
import java.util.*;
import org.eclipse.core.resources.*;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.*;
import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
import org.eclipse.team.internal.ccvs.core.util.PrepareForReplaceVisitor;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ccvs.ui.tags.TagSource;
import org.eclipse.team.internal.ccvs.ui.tags.TagSourceWorkbenchAdapter;
import org.eclipse.ui.IWorkbenchPart;
/**
* This operation replaces the local resources with their remote contents
*/
public class ReplaceOperation extends UpdateOperation {
public ReplaceOperation(IWorkbenchPart part, IResource[] resources, CVSTag tag, boolean recurse) {
super(part, asResourceMappers(resources, recurse ? IResource.DEPTH_INFINITE : IResource.DEPTH_ONE), new LocalOption[] { Update.IGNORE_LOCAL_CHANGES }, tag);
}
public ReplaceOperation(IWorkbenchPart part, ResourceMapping[] mappings, CVSTag tag) {
super(part, mappings, new LocalOption[] { Update.IGNORE_LOCAL_CHANGES }, tag);
}
@Override
protected String getTaskName() {
return CVSUIMessages.ReplaceOperation_taskName;
}
@Override
protected IStatus executeCommand(
final Session session,
final CVSTeamProvider provider,
final ICVSResource[] resources,
final boolean recurse, IProgressMonitor monitor)
throws CVSException, InterruptedException {
final IStatus[] status = new IStatus[] { Status.OK_STATUS };
try {
ResourcesPlugin.getWorkspace().run((IWorkspaceRunnable) monitor1 -> {
try {
status[0] = internalExecuteCommand(session, provider, resources, recurse, monitor1);
} catch (InterruptedException e) {
throw new OperationCanceledException();
}
}, null, IWorkspace.AVOID_UPDATE, monitor);
} catch (CoreException e) {
throw CVSException.wrapException(e);
}
return status[0];
}
// Files deleted by the PrepareForReplaceVisitor.
private Set/*<ICVSFile>*/ prepDeletedFiles;
/**
* Tells whether resources for which the given tag does not exists, are ignored by the replace
* operation.
*/
private boolean ignoreResourcesIfTagDoesNotExist;
private IStatus internalExecuteCommand(Session session, CVSTeamProvider provider, ICVSResource[] resources, boolean recurse, IProgressMonitor monitor) throws CVSException, InterruptedException {
monitor.beginTask(null, 100);
ICVSResource[] managedResources = getResourcesToUpdate(resources, Policy.subMonitorFor(monitor, 5));
if (ignoreResourcesIfTagDoesNotExist && managedResources.length == 0)
return OK;
try {
// Purge any unmanaged or added files
PrepareForReplaceVisitor pfrv = new PrepareForReplaceVisitor(session, getTag());
pfrv.visitResources(
provider.getProject(),
resources,
CVSUIMessages.ReplaceOperation_1,
recurse ? IResource.DEPTH_INFINITE : IResource.DEPTH_ONE,
Policy.subMonitorFor(monitor, 25));
prepDeletedFiles = pfrv.getDeletedFiles();
// Only perform the remote command if some of the resources being replaced were managed
IStatus status = OK;
if (managedResources.length > 0) {
// Perform an update, ignoring any local file modifications
status = super.executeCommand(session, provider, managedResources, recurse, Policy.subMonitorFor(monitor, 70));
}
// Prune any empty folders left after the resources were purged.
// This is done to prune any empty folders that contained only unmanaged resources
if (status.isOK() && CVSProviderPlugin.getPlugin().getPruneEmptyDirectories()) {
new PruneFolderVisitor().visit(session, resources);
}
return status;
} finally {
monitor.done();
}
}
/**
* Return the resources that need to be updated from the server.
* By default, this is all resources that are managed.
* @param resources all resources being replaced
* @return resources that are to be updated from the server
* @throws CVSException
*/
protected ICVSResource[] getResourcesToUpdate(ICVSResource[] resources, IProgressMonitor monitor) throws CVSException {
// Accumulate the managed resources from the list of provided resources
List<ICVSResource> managedResources = new ArrayList<>();
monitor.beginTask(null, resources.length * 100);
for (int i = 0; i < resources.length; i++) {
ICVSResource resource = resources[i];
if ((resource.isFolder() && ((ICVSFolder)resource).isCVSFolder())) {
addResourceIfTagExists(managedResources, resource, Policy.subMonitorFor(monitor, 100));
} else if (!resource.isFolder()){
byte[] syncBytes = ((ICVSFile)resource).getSyncBytes();
if (syncBytes != null && !ResourceSyncInfo.isAddition(syncBytes)) {
addResourceIfTagExists(managedResources, resource, Policy.subMonitorFor(monitor, 100));
}
}
}
monitor.done();
return managedResources.toArray(new ICVSResource[managedResources.size()]);
}
private void addResourceIfTagExists(List<ICVSResource> managedResources, ICVSResource resource,
IProgressMonitor monitor) {
CVSTag tag = getTag();
if (tag == null || tag.getType() == CVSTag.DATE || tag.isHeadTag() || tag.isBaseTag()) {
// No need to check for date, head or base tags
managedResources.add(resource);
} else {
TagSource tagSource= TagSource.create(new ICVSResource[] { resource });
if (isTagPresent(tagSource, tag)) {
managedResources.add(resource);
} else {
// If the tag usn't present, lets refresh just to make sure
try {
tagSource.refresh(false, monitor);
if (isTagPresent(tagSource, tag)) {
managedResources.add(resource);
} else {
tagSource.refresh(true, monitor);
if (isTagPresent(tagSource, tag)) {
managedResources.add(resource);
}
}
} catch (TeamException e) {
CVSUIPlugin.log(e);
}
}
}
}
private boolean isTagPresent(TagSource tagSource, CVSTag tag) {
CVSTag[] tags= tagSource.getTags(TagSource.convertIncludeFlaqsToTagTypes(TagSourceWorkbenchAdapter.INCLUDE_ALL_TAGS));
return Arrays.asList(tags).contains(tag);
}
@Override
protected Update getUpdateCommand() {
// Use a special replace command that doesn't set back the timestamps
// of files in the passed set if it recreates them.
return new Replace(prepDeletedFiles);
}
@Override
protected String getTaskName(CVSTeamProvider provider) {
return NLS.bind(CVSUIMessages.ReplaceOperation_0, new String[] { provider.getProject().getName() });
}
/**
* Tells to ignore resources for which the given tag does not exists.
*/
public void ignoreResourcesWithMissingTag() {
ignoreResourcesIfTagDoesNotExist= true;
}
}
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