/*******************************************************************************
* Copyright (c) 2014 Maik Schreiber
* 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 v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Maik Schreiber - initial implementation
* Stephan Hackstedt - Bug 477695
*******************************************************************************/
package org.eclipse.egit.core.op;
import java.text.MessageFormat;
import java.util.List;
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.jgit.api.Git;
import org.eclipse.jgit.api.RebaseCommand;
import org.eclipse.jgit.api.RebaseCommand.InteractiveHandler;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.errors.IllegalTodoFileModification;
import org.eclipse.jgit.lib.RebaseTodoLine;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.team.core.TeamException;
/** An operation that edits an existing commit. */
public class EditCommitOperation implements IEGitOperation {
private Repository repository;
private RevCommit commit;
/**
* Constructs a new edit commit operation.
*
* @param repository
* the repository to work on
* @param commit
* the commit
*/
public EditCommitOperation(Repository repository, RevCommit commit) {
if (commit.getParentCount() != 1)
throw new UnsupportedOperationException(
"commit is expected to have exactly one parent"); //$NON-NLS-1$
this.repository = repository;
this.commit = commit;
}
@Override
public void execute(IProgressMonitor m) throws CoreException {
IWorkspaceRunnable action = new IWorkspaceRunnable() {
@Override
public void run(IProgressMonitor pm) throws CoreException {
SubMonitor progress = SubMonitor.convert(pm, 2);
progress.subTask(MessageFormat.format(
CoreText.EditCommitOperation_editing,
commit.name()));
InteractiveHandler handler = new InteractiveHandler() {
@Override
public void prepareSteps(List<RebaseTodoLine> steps) {
for (RebaseTodoLine step : steps) {
if (step.getCommit().prefixCompare(commit) == 0) {
try {
step.setAction(RebaseTodoLine.Action.EDIT);
} catch (IllegalTodoFileModification e) {
// shouldn't happen
}
}
}
}
@Override
public String modifyCommitMessage(String oldMessage) {
return oldMessage;
}
};
try (Git git = new Git(repository)) {
git.rebase().setUpstream(commit.getParent(0))
.runInteractively(handler)
.setOperation(RebaseCommand.Operation.BEGIN).call();
} catch (GitAPIException e) {
throw new TeamException(e.getLocalizedMessage(),
e.getCause());
}
progress.worked(1);
ProjectUtil.refreshValidProjects(
ProjectUtil.getValidOpenProjects(repository),
progress.newChild(1));
}
};
ResourcesPlugin.getWorkspace().run(action, getSchedulingRule(),
IWorkspace.AVOID_UPDATE, m);
}
@Override
public ISchedulingRule getSchedulingRule() {
return RuleUtil.getRule(repository);
}
}