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- /*
- * Copyright (C) 2007-2008, Charles O'Farrell <charleso@charleso.org>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.pgm;
-
- import java.io.IOException;
- import java.text.MessageFormat;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.LinkedHashMap;
- import java.util.List;
- import java.util.Map;
- import java.util.Map.Entry;
-
- import org.eclipse.jgit.api.Git;
- import org.eclipse.jgit.api.ListBranchCommand;
- import org.eclipse.jgit.api.ListBranchCommand.ListMode;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.ObjectReader;
- import org.eclipse.jgit.lib.Ref;
- import org.eclipse.jgit.lib.RefComparator;
- import org.eclipse.jgit.lib.RefRename;
- import org.eclipse.jgit.lib.RefUpdate;
- import org.eclipse.jgit.lib.RefUpdate.Result;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.pgm.internal.CLIText;
- import org.eclipse.jgit.pgm.opt.CmdLineParser;
- import org.eclipse.jgit.revwalk.RevWalk;
- import org.kohsuke.args4j.Argument;
- import org.kohsuke.args4j.ExampleMode;
- import org.kohsuke.args4j.Option;
-
- @Command(common = true, usage = "usage_listCreateOrDeleteBranches")
- class Branch extends TextBuiltin {
-
- @Option(name = "--remote", aliases = { "-r" }, usage = "usage_actOnRemoteTrackingBranches")
- private boolean remote = false;
-
- @Option(name = "--all", aliases = { "-a" }, usage = "usage_listBothRemoteTrackingAndLocalBranches")
- private boolean all = false;
-
- @Option(name = "--contains", metaVar = "metaVar_commitish", usage = "usage_printOnlyBranchesThatContainTheCommit")
- private String containsCommitish;
-
- @Option(name = "--delete", aliases = { "-d" }, usage = "usage_deleteFullyMergedBranch")
- private boolean delete = false;
-
- @Option(name = "--delete-force", aliases = { "-D" }, usage = "usage_deleteBranchEvenIfNotMerged")
- private boolean deleteForce = false;
-
- @Option(name = "--create-force", aliases = { "-f" }, usage = "usage_forceCreateBranchEvenExists")
- private boolean createForce = false;
-
- @Option(name = "-m", usage = "usage_moveRenameABranch")
- private boolean rename = false;
-
- @Option(name = "--verbose", aliases = { "-v" }, usage = "usage_beVerbose")
- private boolean verbose = false;
-
- @Argument
- private List<String> branches = new ArrayList<String>();
-
- private final Map<String, Ref> printRefs = new LinkedHashMap<String, Ref>();
-
- /** Only set for verbose branch listing at-the-moment */
- private RevWalk rw;
-
- private int maxNameLength;
-
- @Override
- protected void run() throws Exception {
- if (delete || deleteForce)
- delete(deleteForce);
- else {
- if (branches.size() > 2)
- throw die(CLIText.get().tooManyRefsGiven + new CmdLineParser(this).printExample(ExampleMode.ALL));
-
- if (rename) {
- String src, dst;
- if (branches.size() == 1) {
- final Ref head = db.getRef(Constants.HEAD);
- if (head != null && head.isSymbolic())
- src = head.getLeaf().getName();
- else
- throw die(CLIText.get().cannotRenameDetachedHEAD);
- dst = branches.get(0);
- } else {
- src = branches.get(0);
- final Ref old = db.getRef(src);
- if (old == null)
- throw die(MessageFormat.format(CLIText.get().doesNotExist, src));
- if (!old.getName().startsWith(Constants.R_HEADS))
- throw die(MessageFormat.format(CLIText.get().notABranch, src));
- src = old.getName();
- dst = branches.get(1);
- }
-
- if (!dst.startsWith(Constants.R_HEADS))
- dst = Constants.R_HEADS + dst;
- if (!Repository.isValidRefName(dst))
- throw die(MessageFormat.format(CLIText.get().notAValidRefName, dst));
-
- RefRename r = db.renameRef(src, dst);
- if (r.rename() != Result.RENAMED)
- throw die(MessageFormat.format(CLIText.get().cannotBeRenamed, src));
-
- } else if (branches.size() > 0) {
- String newHead = branches.get(0);
- String startBranch;
- if (branches.size() == 2)
- startBranch = branches.get(1);
- else
- startBranch = Constants.HEAD;
- Ref startRef = db.getRef(startBranch);
- ObjectId startAt = db.resolve(startBranch + "^0"); //$NON-NLS-1$
- if (startRef != null)
- startBranch = startRef.getName();
- else
- startBranch = startAt.name();
- startBranch = Repository.shortenRefName(startBranch);
- String newRefName = newHead;
- if (!newRefName.startsWith(Constants.R_HEADS))
- newRefName = Constants.R_HEADS + newRefName;
- if (!Repository.isValidRefName(newRefName))
- throw die(MessageFormat.format(CLIText.get().notAValidRefName, newRefName));
- if (!createForce && db.resolve(newRefName) != null)
- throw die(MessageFormat.format(CLIText.get().branchAlreadyExists, newHead));
- RefUpdate updateRef = db.updateRef(newRefName);
- updateRef.setNewObjectId(startAt);
- updateRef.setForceUpdate(createForce);
- updateRef.setRefLogMessage(MessageFormat.format(CLIText.get().branchCreatedFrom, startBranch), false);
- Result update = updateRef.update();
- if (update == Result.REJECTED)
- throw die(MessageFormat.format(CLIText.get().couldNotCreateBranch, newHead, update.toString()));
- } else {
- if (verbose)
- rw = new RevWalk(db);
- list();
- }
- }
- }
-
- private void list() throws Exception {
- Ref head = db.getRef(Constants.HEAD);
- // This can happen if HEAD is stillborn
- if (head != null) {
- String current = head.getLeaf().getName();
- ListBranchCommand command = new Git(db).branchList();
- if (all)
- command.setListMode(ListMode.ALL);
- else if (remote)
- command.setListMode(ListMode.REMOTE);
-
- if (containsCommitish != null)
- command.setContains(containsCommitish);
-
- List<Ref> refs = command.call();
- for (Ref ref : refs) {
- if (ref.getName().equals(Constants.HEAD))
- addRef("(no branch)", head); //$NON-NLS-1$
- }
-
- addRefs(refs, Constants.R_HEADS);
- addRefs(refs, Constants.R_REMOTES);
-
- ObjectReader reader = db.newObjectReader();
- try {
- for (final Entry<String, Ref> e : printRefs.entrySet()) {
- final Ref ref = e.getValue();
- printHead(reader, e.getKey(),
- current.equals(ref.getName()), ref);
- }
- } finally {
- reader.release();
- }
- }
- }
-
- private void addRefs(final Collection<Ref> refs, final String prefix) {
- for (final Ref ref : RefComparator.sort(refs)) {
- final String name = ref.getName();
- if (name.startsWith(prefix))
- addRef(name.substring(name.indexOf('/', 5) + 1), ref);
- }
- }
-
- private void addRef(final String name, final Ref ref) {
- printRefs.put(name, ref);
- maxNameLength = Math.max(maxNameLength, name.length());
- }
-
- private void printHead(final ObjectReader reader, final String ref,
- final boolean isCurrent, final Ref refObj) throws Exception {
- outw.print(isCurrent ? '*' : ' ');
- outw.print(' ');
- outw.print(ref);
- if (verbose) {
- final int spaces = maxNameLength - ref.length() + 1;
- outw.format("%" + spaces + "s", ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- final ObjectId objectId = refObj.getObjectId();
- outw.print(reader.abbreviate(objectId).name());
- outw.print(' ');
- outw.print(rw.parseCommit(objectId).getShortMessage());
- }
- outw.println();
- }
-
- private void delete(boolean force) throws IOException {
- String current = db.getBranch();
- ObjectId head = db.resolve(Constants.HEAD);
- for (String branch : branches) {
- if (current.equals(branch)) {
- throw die(MessageFormat.format(CLIText.get().cannotDeleteTheBranchWhichYouAreCurrentlyOn, branch));
- }
- RefUpdate update = db.updateRef((remote ? Constants.R_REMOTES
- : Constants.R_HEADS)
- + branch);
- update.setNewObjectId(head);
- update.setForceUpdate(force || remote);
- Result result = update.delete();
- if (result == Result.REJECTED) {
- throw die(MessageFormat.format(CLIText.get().branchIsNotAnAncestorOfYourCurrentHEAD, branch));
- } else if (result == Result.NEW)
- throw die(MessageFormat.format(CLIText.get().branchNotFound, branch));
- if (remote)
- outw.println(MessageFormat.format(CLIText.get().deletedRemoteBranch, branch));
- else if (verbose)
- outw.println(MessageFormat.format(CLIText.get().deletedBranch, branch));
- }
- }
- }
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