org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/AbstractFetchCommand.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.Option;
  41 import org.spearce.jgit.lib.Constants;
  42 import org.spearce.jgit.lib.ObjectId;
  43 import org.spearce.jgit.lib.RefUpdate;
  44 import org.spearce.jgit.transport.FetchResult;
  45 import org.spearce.jgit.transport.TrackingRefUpdate;
  46 import org.spearce.jgit.transport.Transport;
  47
  48 abstract class AbstractFetchCommand extends TextBuiltin {
  49         @Option(name = "--verbose", aliases = { "-v" }, usage = "be more verbose")
  50         private boolean verbose;
  51
  52         protected void showFetchResult(final Transport tn, final FetchResult r) {
  53                 boolean shownURI = false;
  54                 for (final TrackingRefUpdate u : r.getTrackingRefUpdates()) {
  55                         if (!verbose && u.getResult() == RefUpdate.Result.NO_CHANGE)
  56                                 continue;
  57
  58                         final char type = shortTypeOf(u.getResult());
  59                         final String longType = longTypeOf(u);
  60                         final String src = abbreviateRef(u.getRemoteName(), false);
  61                         final String dst = abbreviateRef(u.getLocalName(), true);
  62
  63                         if (!shownURI) {
  64                                 out.print("From ");
  65                                 out.print(tn.getURI());
  66                                 out.println();
  67                                 shownURI = true;
  68                         }
  69
  70                         out.format(" %c %-17s %-10s -> %s", type, longType, src, dst);
  71                         out.println();
  72                 }
  73         }
  74
  75         private String longTypeOf(final TrackingRefUpdate u) {
  76                 final RefUpdate.Result r = u.getResult();
  77                 if (r == RefUpdate.Result.LOCK_FAILURE)
  78                         return "[lock fail]";
  79                 if (r == RefUpdate.Result.IO_FAILURE)
  80                         return "[i/o error]";
  81                 if (r == RefUpdate.Result.REJECTED)
  82                         return "[rejected]";
  83                 if (ObjectId.zeroId().equals(u.getNewObjectId()))
  84                         return "[deleted]";
  85
  86                 if (r == RefUpdate.Result.NEW) {
  87                         if (u.getRemoteName().startsWith(Constants.R_HEADS))
  88                                 return "[new branch]";
  89                         else if (u.getLocalName().startsWith(Constants.R_TAGS))
  90                                 return "[new tag]";
  91                         return "[new]";
  92                 }
  93
  94                 if (r == RefUpdate.Result.FORCED) {
  95                         final String aOld = u.getOldObjectId().abbreviate(db).name();
  96                         final String aNew = u.getNewObjectId().abbreviate(db).name();
  97                         return aOld + "..." + aNew;
  98                 }
  99
 100                 if (r == RefUpdate.Result.FAST_FORWARD) {
 101                         final String aOld = u.getOldObjectId().abbreviate(db).name();
 102                         final String aNew = u.getNewObjectId().abbreviate(db).name();
 103                         return aOld + ".." + aNew;
 104                 }
 105
 106                 if (r == RefUpdate.Result.NO_CHANGE)
 107                         return "[up to date]";
 108                 return "[" + r.name() + "]";
 109         }
 110
 111         private static char shortTypeOf(final RefUpdate.Result r) {
 112                 if (r == RefUpdate.Result.LOCK_FAILURE)
 113                         return '!';
 114                 if (r == RefUpdate.Result.IO_FAILURE)
 115                         return '!';
 116                 if (r == RefUpdate.Result.NEW)
 117                         return '*';
 118                 if (r == RefUpdate.Result.FORCED)
 119                         return '+';
 120                 if (r == RefUpdate.Result.FAST_FORWARD)
 121                         return ' ';
 122                 if (r == RefUpdate.Result.REJECTED)
 123                         return '!';
 124                 if (r == RefUpdate.Result.NO_CHANGE)
 125                         return '=';
 126                 return ' ';
 127         }
 128 }