org.spearce.jgit/src/org/spearce/jgit/pgm/LsRemote.java

   1 /*
   2  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   3  *
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or
   7  * without modification, are permitted provided that the following
   8  * conditions are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright
  11  *   notice, this list of conditions and the following disclaimer.
  12  *
  13  * - Redistributions in binary form must reproduce the above
  14  *   copyright notice, this list of conditions and the following
  15  *   disclaimer in the documentation and/or other materials provided
  16  *   with the distribution.
  17  *
  18  * - Neither the name of the Git Development Community nor the
  19  *   names of its contributors may be used to endorse or promote
  20  *   products derived from this software without specific prior
  21  *   written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  24  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  25  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  28  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  31  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  32  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  33  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 package org.spearce.jgit.pgm;
  39
  40 import org.spearce.jgit.lib.AnyObjectId;
  41 import org.spearce.jgit.lib.Ref;
  42 import org.spearce.jgit.transport.FetchConnection;
  43 import org.spearce.jgit.transport.Transport;
  44
  45 class LsRemote extends TextBuiltin {
  46         @Override
  47         void execute(final String[] args) throws Exception {
  48                 int argi = 0;
  49                 for (; argi < args.length; argi++) {
  50                         final String a = args[argi];
  51                         if ("--".equals(a)) {
  52                                 argi++;
  53                                 break;
  54                         } else
  55                                 break;
  56                 }
  57
  58                 if (argi == args.length)
  59                         throw die("usage: url");
  60                 else if (argi + 1 < args.length)
  61                         throw die("too many arguments");
  62
  63                 final Transport tn = Transport.open(db, args[argi]);
  64                 final FetchConnection c = tn.openFetch();
  65                 try {
  66                         for (final Ref r : c.getRefs()) {
  67                                 show(r.getObjectId(), r.getName());
  68                                 if (r.getPeeledObjectId() != null)
  69                                         show(r.getPeeledObjectId(), r.getName() + "^{}");
  70                         }
  71                 } finally {
  72                         c.close();
  73                         tn.close();
  74                 }
  75         }
  76
  77         private void show(final AnyObjectId id, final String name) {
  78                 out.print(id);
  79                 out.print('\t');
  80                 out.print(name);
  81                 out.println();
  82         }
  83 }