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/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.actions;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.pull.PullOperationUI;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
/**
* Action for pulling into the currently checked-out branch.
*/
public class PullFromUpstreamActionHandler extends RepositoryActionHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
Repository[] repos = getRepositories(event);
if (repos.length == 0)
return null;
Set<Repository> repositories = new HashSet<Repository>(
Arrays.asList(repos));
new PullOperationUI(repositories).start();
return null;
}
@Override
public boolean isEnabled() {
// we don't do the full canMerge check here, but
// ensure that a branch is checked out
Repository[] repos = getRepositories();
for (Repository repo : repos) {
try {
String fullBranch = repo.getFullBranch();
if (fullBranch == null
|| !fullBranch.startsWith(Constants.R_REFS)
|| repo.getRef(Constants.HEAD).getObjectId() == null)
return false;
} catch (IOException e) {
Activator.handleError(e.getMessage(), e, false);
return false;
}
}
return true;
}
}
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