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- /*
- * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
- * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.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.transport;
-
- import org.eclipse.jgit.lib.AnyObjectId;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.RefUpdate;
-
- /** Update of a locally stored tracking branch. */
- public class TrackingRefUpdate {
- private final String remoteName;
- private final String localName;
- private boolean forceUpdate;
- private ObjectId oldObjectId;
- private ObjectId newObjectId;
-
- private RefUpdate.Result result;
- private ReceiveCommand cmd;
-
- TrackingRefUpdate(
- boolean canForceUpdate,
- String remoteName,
- String localName,
- AnyObjectId oldValue,
- AnyObjectId newValue) {
- this.remoteName = remoteName;
- this.localName = localName;
- this.forceUpdate = canForceUpdate;
- this.oldObjectId = oldValue.copy();
- this.newObjectId = newValue.copy();
- }
-
- /**
- * Get the name of the remote ref.
- * <p>
- * Usually this is of the form "refs/heads/master".
- *
- * @return the name used within the remote repository.
- */
- public String getRemoteName() {
- return remoteName;
- }
-
- /**
- * Get the name of the local tracking ref.
- * <p>
- * Usually this is of the form "refs/remotes/origin/master".
- *
- * @return the name used within this local repository.
- */
- public String getLocalName() {
- return localName;
- }
-
- /**
- * Get the new value the ref will be (or was) updated to.
- *
- * @return new value. Null if the caller has not configured it.
- */
- public ObjectId getNewObjectId() {
- return newObjectId;
- }
-
- /**
- * The old value of the ref, prior to the update being attempted.
- * <p>
- * This value may differ before and after the update method. Initially it is
- * populated with the value of the ref before the lock is taken, but the old
- * value may change if someone else modified the ref between the time we
- * last read it and when the ref was locked for update.
- *
- * @return the value of the ref prior to the update being attempted.
- */
- public ObjectId getOldObjectId() {
- return oldObjectId;
- }
-
- /**
- * Get the status of this update.
- *
- * @return the status of the update.
- */
- public RefUpdate.Result getResult() {
- return result;
- }
-
- void setResult(RefUpdate.Result result) {
- this.result = result;
- }
-
- /**
- * @return this update wrapped by a ReceiveCommand.
- * @since 3.4
- */
- public ReceiveCommand asReceiveCommand() {
- if (cmd == null)
- cmd = new Command();
- return cmd;
- }
-
- final class Command extends ReceiveCommand {
- private Command() {
- super(oldObjectId, newObjectId, localName);
- }
-
- boolean canForceUpdate() {
- return forceUpdate;
- }
-
- @Override
- public void setResult(RefUpdate.Result status) {
- result = status;
- super.setResult(status);
- }
-
- @Override
- public void setResult(ReceiveCommand.Result status) {
- result = decode(status);
- super.setResult(status);
- }
-
- @Override
- public void setResult(ReceiveCommand.Result status, String msg) {
- result = decode(status);
- super.setResult(status, msg);
- }
-
- private RefUpdate.Result decode(ReceiveCommand.Result status) {
- switch (status) {
- case OK:
- if (AnyObjectId.equals(oldObjectId, newObjectId))
- return RefUpdate.Result.NO_CHANGE;
- switch (getType()) {
- case CREATE:
- return RefUpdate.Result.NEW;
- case UPDATE:
- return RefUpdate.Result.FAST_FORWARD;
- case DELETE:
- case UPDATE_NONFASTFORWARD:
- default:
- return RefUpdate.Result.FORCED;
- }
-
- case REJECTED_NOCREATE:
- case REJECTED_NODELETE:
- case REJECTED_NONFASTFORWARD:
- return RefUpdate.Result.REJECTED;
- case REJECTED_CURRENT_BRANCH:
- return RefUpdate.Result.REJECTED_CURRENT_BRANCH;
- case REJECTED_MISSING_OBJECT:
- return RefUpdate.Result.IO_FAILURE;
- case LOCK_FAILURE:
- case NOT_ATTEMPTED:
- case REJECTED_OTHER_REASON:
- default:
- return RefUpdate.Result.LOCK_FAILURE;
- }
- }
- }
-
- @SuppressWarnings("nls")
- @Override
- public String toString() {
- StringBuilder sb = new StringBuilder();
- sb.append("TrackingRefUpdate[");
- sb.append(remoteName);
- sb.append(" -> ");
- sb.append(localName);
- if (forceUpdate)
- sb.append(" (forced)");
- sb.append(" ");
- sb.append(oldObjectId == null ? "" : oldObjectId.abbreviate(7).name());
- sb.append("..");
- sb.append(newObjectId == null ? "" : newObjectId.abbreviate(7).name());
- sb.append("]");
- return sb.toString();
- }
- }
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