1 /* 2 * Copyright (C) 2010, Google Inc. 3 * Copyright (C) 2008, Jonas Fonseca <fonseca@diku.dk> 4 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> 5 * and other copyright owners as documented in the project's IP log. 6 * 7 * This program and the accompanying materials are made available 8 * under the terms of the Eclipse Distribution License v1.0 which 9 * accompanies this distribution, is reproduced below, and is 10 * available at http://www.eclipse.org/org/documents/edl-v10.php 11 * 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 21 * - Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials provided 24 * with the distribution. 25 * 26 * - Neither the name of the Eclipse Foundation, Inc. nor the 27 * names of its contributors may be used to endorse or promote 28 * products derived from this software without specific prior 29 * written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 32 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 33 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 36 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 38 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 39 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 40 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 43 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 */ 45 46 package org.eclipse.jgit.pgm; 47 48 import java.io.IOException; 49 import java.util.List; 50 51 import org.eclipse.jgit.lib.AnyObjectId; 52 import org.eclipse.jgit.lib.Ref; 53 import org.eclipse.jgit.lib.RefComparator; 54 55 @Command(usage = "usage_ShowRef") 56 class ShowRef extends TextBuiltin { 57 /** {@inheritDoc} */ 58 @Override 59 protected void run() { 60 try { 61 for (Ref r : getSortedRefs()) { 62 show(r.getObjectId(), r.getName()); 63 if (r.getPeeledObjectId() != null) { 64 show(r.getPeeledObjectId(), r.getName() + "^{}"); //$NON-NLS-1$ 65 } 66 } 67 } catch (IOException e) { 68 throw die(e.getMessage(), e); 69 } 70 } 71 72 private Iterable<Ref> getSortedRefs() throws IOException { 73 List<Ref> all = db.getRefDatabase().getRefs(); 74 // TODO(jrn) check if we can reintroduce fast-path by e.g. implementing 75 // SortedList 76 return RefComparator.sort(all); 77 } 78 79 private void show(AnyObjectId id, String name) 80 throws IOException { 81 outw.print(id.name()); 82 outw.print('\t'); 83 outw.print(name); 84 outw.println(); 85 } 86 }