org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/LsTree.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.kohsuke.args4j.Argument;
  41 import org.kohsuke.args4j.Option;
  42 import org.spearce.jgit.lib.Constants;
  43 import org.spearce.jgit.lib.FileMode;
  44 import org.spearce.jgit.treewalk.AbstractTreeIterator;
  45 import org.spearce.jgit.treewalk.TreeWalk;
  46
  47 class LsTree extends TextBuiltin {
  48         @Option(name = "--recursive", usage = "recurse into subtrees", aliases = { "-r" })
  49         private boolean recursive;
  50
  51         @Argument(index = 0, required = true, metaVar = "tree-ish")
  52         private AbstractTreeIterator tree;
  53
  54         @Override
  55         protected void run() throws Exception {
  56                 final TreeWalk walk = new TreeWalk(db);
  57                 walk.reset(); // drop the first empty tree, which we do not need here
  58                 walk.setRecursive(recursive);
  59                 walk.addTree(tree);
  60
  61                 while (walk.next()) {
  62                         final FileMode mode = walk.getFileMode(0);
  63                         if (mode == FileMode.TREE)
  64                                 out.print('0');
  65                         out.print(mode);
  66                         out.print(' ');
  67                         out.print(Constants.typeString(mode.getObjectType()));
  68
  69                         out.print(' ');
  70                         out.print(walk.getObjectId(0));
  71
  72                         out.print('\t');
  73                         out.print(walk.getPathString());
  74                         out.println();
  75                 }
  76         }
  77 }