| /* |
| * Copyright (C) 2017, Google Inc. |
| * 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.debug; |
| |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.internal.storage.io.BlockSource; |
| import org.eclipse.jgit.internal.storage.reftable.RefCursor; |
| import org.eclipse.jgit.internal.storage.reftable.ReftableReader; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.pgm.Command; |
| import org.eclipse.jgit.pgm.TextBuiltin; |
| import org.kohsuke.args4j.Argument; |
| |
| @Command |
| class ReadReftable extends TextBuiltin { |
| @Argument(index = 0) |
| private String input; |
| |
| @Argument(index = 1, required = false) |
| private String ref; |
| |
| @Override |
| protected void run() throws Exception { |
| try (FileInputStream in = new FileInputStream(input); |
| BlockSource src = BlockSource.from(in); |
| ReftableReader reader = new ReftableReader(src)) { |
| try (RefCursor rc = ref != null |
| ? reader.seekRef(ref) |
| : reader.allRefs()) { |
| while (rc.next()) { |
| write(rc.getRef()); |
| } |
| } |
| } |
| } |
| |
| private void write(Ref r) throws IOException { |
| if (r.isSymbolic()) { |
| outw.println(r.getTarget().getName() + '\t' + r.getName()); |
| return; |
| } |
| |
| ObjectId id1 = r.getObjectId(); |
| if (id1 != null) { |
| outw.println(id1.name() + '\t' + r.getName()); |
| } |
| |
| ObjectId id2 = r.getPeeledObjectId(); |
| if (id2 != null) { |
| outw.println('^' + id2.name()); |
| } |
| } |
| } |