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/*
* Copyright (C) 2010, 2012 Chris Aniszczyk <caniszczyk@gmail.com>
* Copyright (C) 2013, Obeo and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.pgm;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.api.CheckoutCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.CheckoutConflictException;
import org.eclipse.jgit.api.errors.RefAlreadyExistsException;
import org.eclipse.jgit.api.errors.RefNotFoundException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.TextProgressMonitor;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
import org.kohsuke.args4j.spi.RestOfArgumentsHandler;
@Command(common = true, usage = "usage_checkout")
class Checkout extends TextBuiltin {
@Option(name = "-b", usage = "usage_createBranchAndCheckout")
private boolean createBranch = false;
@Option(name = "-B", usage = "usage_forcedSwitchBranch")
private boolean forceSwitchBranch = false;
@Option(name = "--force", aliases = { "-f" }, usage = "usage_forceCheckout")
private boolean forced = false;
@Option(name = "--orphan", usage = "usage_orphan")
private boolean orphan = false;
@Argument(required = false, index = 0, metaVar = "metaVar_name", usage = "usage_checkout")
private String name;
@Option(name = "--", metaVar = "metaVar_paths", handler = RestOfArgumentsHandler.class)
private List<String> paths = new ArrayList<>();
/** {@inheritDoc} */
@Override
protected void run() throws Exception {
if (createBranch) {
final ObjectId head = db.resolve(Constants.HEAD);
if (head == null)
throw die(CLIText.get().onBranchToBeBorn);
}
try (Git git = new Git(db)) {
CheckoutCommand command = git.checkout()
.setProgressMonitor(new TextProgressMonitor(errw));
if (!paths.isEmpty()) {
command.setStartPoint(name);
if (paths.size() == 1 && paths.get(0).equals(".")) { //$NON-NLS-1$
command.setAllPaths(true);
} else {
command.addPaths(paths);
}
} else {
command.setCreateBranch(createBranch);
command.setName(name);
command.setForceRefUpdate(forceSwitchBranch);
command.setForced(forced);
command.setOrphan(orphan);
}
try {
String oldBranch = db.getBranch();
Ref ref = command.call();
if (ref == null)
return;
if (Repository.shortenRefName(ref.getName()).equals(oldBranch)) {
outw.println(MessageFormat.format(
CLIText.get().alreadyOnBranch,
name));
return;
}
if (createBranch || orphan)
outw.println(MessageFormat.format(
CLIText.get().switchedToNewBranch, name));
else
outw.println(MessageFormat.format(
CLIText.get().switchedToBranch,
Repository.shortenRefName(ref.getName())));
} catch (RefNotFoundException e) {
throw die(MessageFormat
.format(CLIText.get().pathspecDidNotMatch, name), e);
} catch (RefAlreadyExistsException e) {
throw die(MessageFormat
.format(CLIText.get().branchAlreadyExists, name), e);
} catch (CheckoutConflictException e) {
StringBuilder builder = new StringBuilder();
builder.append(CLIText.get().checkoutConflict);
builder.append(System.lineSeparator());
for (String path : e.getConflictingPaths()) {
builder.append(MessageFormat.format(
CLIText.get().checkoutConflictPathLine, path));
builder.append(System.lineSeparator());
}
throw die(builder.toString(), e);
}
}
}
}
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