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

   1 /*
   2  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   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.Constants;
  41 import org.spearce.jgit.lib.PersonIdent;
  42
  43 class Tag extends TextBuiltin {
  44         @Override
  45         public void execute(String[] args) throws Exception {
  46                 String tagName = null;
  47                 String message = null;
  48                 String ref = "HEAD";
  49                 boolean force = false;
  50                if (args.length == 0)
  51                        usage();
  52                 for (int i = 0; i < args.length; ++i) {
  53                         if (args[i].equals("-f")) {
  54                                 force = true;
  55                                 continue;
  56                         }
  57                         if (args[i].equals("-m")) {
  58                                 if (i < args.length - 2)
  59                                         message = args[i++] + "\n";
  60                                 else
  61                                         usage();
  62                                 continue;
  63                         }
  64                         if (args[i].startsWith("-m")) {
  65                                 message = args[i].substring(2) + "\n";
  66                                 continue;
  67                         }
  68                         if (args[i].startsWith("-") && i == args.length - 1)
  69                                 usage();
  70                         if (i == args.length - 2) {
  71                                 tagName = args[i];
  72                                 ref = args[i+1];
  73                                 ++i;
  74                                 continue;
  75                         }
  76                         if (i == args.length - 1) {
  77                                 tagName = args[i];
  78                                 continue;
  79                         }
  80                         usage();
  81                 }
  82                 if (!tagName.startsWith(Constants.TAGS_PREFIX + "/"))
  83                         tagName = Constants.TAGS_PREFIX + "/" + tagName;
  84                 if (!force && db.resolve(tagName) != null) {
  85                         throw die("fatal: tag '"
  86                                         + tagName.substring(Constants.TAGS_PREFIX.length() + 1)
  87                                         + "' exists");
  88                 }
  89                 org.spearce.jgit.lib.Tag tag = new org.spearce.jgit.lib.Tag(db);
  90                 tag.setObjId(db.resolve(ref));
  91                 if (message != null) {
  92                         message = message.replaceAll("\r", "");
  93                         tag.setMessage(message);
  94                         tag.setTagger(new PersonIdent(db));
  95                         tag.setType("commit");
  96                 }
  97                 tag.setTag(tagName.substring(Constants.TAGS_PREFIX.length() + 1));
  98                 tag.tag();
  99         }
 100
 101         private void usage() {
 102                throw die("Usage: [-m message] [-f] tag [head]");
 103         }
 104 }