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/*******************************************************************************
* Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
* Copyright (C) 2015, Stephan Hackstedt <stephan.hackstedt@googlemail.com>
*
* All rights reserved. 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
*******************************************************************************/
package org.eclipse.egit.core.op;
import java.util.Locale;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.egit.core.internal.CoreText;
import org.eclipse.egit.core.internal.job.RuleUtil;
import org.eclipse.egit.core.internal.util.ProjectUtil;
import org.eclipse.egit.core.internal.util.ResourceUtil;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.ResetCommand;
import org.eclipse.jgit.api.ResetCommand.ResetType;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
/**
* A class for changing a ref and possibly index and workdir too.
*/
public class ResetOperation implements IEGitOperation {
private final Repository repository;
private final String refName;
private final ResetType type;
/**
* Construct a {@link ResetOperation}
*
* @param repository
* @param refName
* @param type
*/
public ResetOperation(Repository repository, String refName, ResetType type) {
this.repository = repository;
this.refName = refName;
this.type = type;
}
@Override
public ISchedulingRule getSchedulingRule() {
if (type == ResetType.HARD)
return RuleUtil.getRule(repository);
else
return null;
}
@Override
public void execute(IProgressMonitor m) throws CoreException {
if (type == ResetType.HARD) {
IWorkspaceRunnable action = new IWorkspaceRunnable() {
@Override
public void run(IProgressMonitor actMonitor) throws CoreException {
reset(actMonitor);
}
};
// lock workspace to protect working tree changes
ResourcesPlugin.getWorkspace().run(action, getSchedulingRule(),
IWorkspace.AVOID_UPDATE, m);
} else {
reset(m);
}
}
private void reset(IProgressMonitor monitor) throws CoreException {
SubMonitor progress = SubMonitor.convert(monitor,
NLS.bind(CoreText.ResetOperation_performingReset,
type.toString().toLowerCase(Locale.ROOT), refName),
type == ResetType.HARD ? 2 : 1);
IProject[] validProjects = null;
if (type == ResetType.HARD) {
validProjects = ProjectUtil.getValidOpenProjects(repository);
ResourceUtil.saveLocalHistory(repository);
}
ResetCommand reset = Git.wrap(repository).reset();
reset.setMode(type);
reset.setRef(refName);
try {
reset.call();
} catch (GitAPIException e) {
throw new TeamException(e.getLocalizedMessage(), e.getCause());
}
progress.worked(1);
// only refresh if working tree changes
if (type == ResetType.HARD) {
ProjectUtil.refreshValidProjects(validProjects,
progress.newChild(1));
}
}
}
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