| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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.core.util; |
| |
| import java.util.*; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.internal.ccvs.core.*; |
| import org.eclipse.team.internal.ccvs.core.client.ConsoleListeners; |
| import org.eclipse.team.internal.ccvs.core.client.Session; |
| import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot; |
| import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo; |
| |
| /** |
| * This class is used to prepare a local CVS workspace for replacement by |
| * the corresponding remote resources. More specifically, this class will |
| * unmanage added and deleted resources so that, after the operation, the |
| * resources in the local workspace will either correspond to the remote |
| * counterparts or be unmanaged. |
| */ |
| public class PrepareForReplaceVisitor implements ICVSResourceVisitor { |
| |
| private IProgressMonitor monitor; |
| private int depth; |
| private CVSTag tag; |
| private Set/*<ICVSFile>*/ deletedFiles; |
| private Session session; |
| |
| public PrepareForReplaceVisitor(Session session, CVSTag tag){ |
| this.tag = tag; |
| this.session = session; |
| } |
| |
| @Override |
| public void visitFile(ICVSFile file) throws CVSException { |
| byte[] syncBytes = file.getSyncBytes(); |
| if (syncBytes == null) { |
| // Delete unmanaged files if the user wants them deleted |
| if (CVSProviderPlugin.getPlugin().isReplaceUnmanaged()) { |
| file.delete(); |
| deletedFiles.add(file); |
| } |
| } else if (ResourceSyncInfo.isAddition(syncBytes)) { |
| file.delete(); |
| deletedFiles.add(file); |
| file.unmanage(null); |
| } else if (ResourceSyncInfo.isDeletion(syncBytes)) { |
| // If deleted, null the sync info so the file will be refetched. |
| // If we are replacing with the "BASE" tag, the file will not be refetched, |
| // it is necessary to restore it from history (see bug 150158). |
| if (!shouldDeleteModifications(file)) { |
| IFile res = (IFile) file.getIResource(); |
| try { |
| IFileState[] states = res.getHistory(null); |
| if(states.length > 0){ |
| restoreParentDirectory(file); |
| // recreate file using the latest state |
| res.create(states[0].getContents(), true, null); |
| } else { |
| IStatus status = new Status(Status.ERROR, CVSProviderPlugin.ID, |
| CVSMessages.PrepareForReplaceVisitor_DeletedFileWithoutHistoryCannotBeRestoredWhileRevertToBase); |
| CVSProviderPlugin.log(status); |
| ConsoleListeners.getInstance().errorLineReceived(session, |
| NLS.bind(CVSMessages.PrepareForReplaceVisitor_FileCannotBeReplacedWithBase, |
| res.getName()), |
| status); |
| } |
| } catch (CoreException e) { |
| CVSProviderPlugin.log(e); |
| } |
| } else { |
| file.unmanage(null); |
| } |
| } else if (file.isModified(null) && shouldDeleteModifications(file)) { |
| // If the file is modified, delete and unmanage it and allow the |
| // replace operation to fetch it again. This is required because "update -C" |
| // will fail for locally modified resources that have been deleted remotely. |
| file.delete(); |
| deletedFiles.add(file); |
| // Only unmanage if the delete was successful (bug 76029) |
| file.unmanage(null); |
| } |
| monitor.worked(1); |
| } |
| |
| private void restoreParentDirectory(ICVSFile file) throws CVSException { |
| List parents = new ArrayList(); |
| ICVSFolder parent = file.getParent(); |
| while(!parent.getIResource().exists()){ |
| parents.add(parent); |
| parent = parent.getParent(); |
| } |
| for(int i = parents.size() - 1; i > -1; i--){ |
| ((ICVSFolder)parents.get(i)).mkdir(); |
| } |
| } |
| |
| /* |
| * see bug 150158 |
| */ |
| private boolean shouldDeleteModifications(ICVSFile file) { |
| return (tag == null && !isStickyRevision(file)) // We don't need to delete sticky files since there can't be conflicting modifications (see bug 199367) |
| || (tag != null && !tag.getName().equals("BASE")); //$NON-NLS-1$ |
| } |
| |
| private boolean isStickyRevision(ICVSFile file) { |
| try { |
| ResourceSyncInfo info = file.getSyncInfo(); |
| if (info != null) { |
| CVSTag tag = info.getTag(); |
| if (tag != null) { |
| // The problem with tags on files is that they always have the branch type |
| // so we need to check if the tag is the file's revision |
| return tag.getName().equals(info.getRevision()); |
| } |
| } |
| } catch (CVSException e) { |
| CVSProviderPlugin.log(e); |
| } |
| return false; |
| } |
| |
| @Override |
| public void visitFolder(ICVSFolder folder) throws CVSException { |
| // Delete unmanaged folders if the user wants them deleted |
| if (!folder.isCVSFolder()) { |
| if (CVSProviderPlugin.getPlugin().isReplaceUnmanaged()) { |
| // Needed to add files inside to deletedFiles set. |
| folder.acceptChildren(this); |
| folder.delete(); |
| } |
| } else { |
| // Visit the children of the folder as appropriate |
| if (depth == IResource.DEPTH_INFINITE) { |
| folder.acceptChildren(this); |
| } else if (depth == IResource.DEPTH_ONE) { |
| ICVSResource[] files = folder.members(ICVSFolder.FILE_MEMBERS); |
| for (int i = 0; i < files.length; i++) { |
| files[i].accept(this); |
| } |
| } |
| // Also delete ignored child files that start with .# |
| ICVSResource[] ignoredFiles = folder.members(ICVSFolder.FILE_MEMBERS | ICVSFolder.IGNORED_MEMBERS); |
| for (int i = 0; i < ignoredFiles.length; i++) { |
| ICVSResource cvsResource = ignoredFiles[i]; |
| if (cvsResource.getName().startsWith(".#")) { //$NON-NLS-1$ |
| cvsResource.delete(); |
| } |
| } |
| } |
| monitor.worked(1); |
| } |
| |
| public void visitResources(IProject project, final ICVSResource[] resources, final String oneArgMessage, int depth, IProgressMonitor pm) throws CVSException { |
| this.depth = depth; |
| deletedFiles = new HashSet(); |
| CVSWorkspaceRoot.getCVSFolderFor(project).run(pm1 -> { |
| monitor = Policy.infiniteSubMonitorFor(pm1, 100); |
| monitor.beginTask(null, 512); |
| for (int i = 0; i < resources.length; i++) { |
| if (oneArgMessage != null) { |
| monitor.subTask(NLS.bind(oneArgMessage, new String[] { resources[i].getIResource().getFullPath().toString() })); |
| } |
| resources[i].accept(PrepareForReplaceVisitor.this); |
| } |
| monitor.done(); |
| }, pm); |
| } |
| |
| public Set/*<ICVSFile>*/ getDeletedFiles() { |
| return Collections.unmodifiableSet(deletedFiles); |
| } |
| } |