WhatsNew.cpp

   1 /*
   2  * This file is part of the vng project
   3  * Copyright (C) 2008 Thomas Zander <tzander@trolltech.com>
   4  * Copyright (C) 2002-2004 David Roundy
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include "WhatsNew.h"
  20 #include "hunks/ChangeSet.h"
  21 #include "Logger.h"
  22 #include "CommandLineParser.h"
  23
  24 #include <QTextStream>
  25
  26 static const CommandLineOption options[] = {
  27     {"-s, --summary", "summarize changes"},
  28     {"--no-summary", "don't summarize changes"},
  29     {"-u, --unified", "output patch in a format similar to diff -u"},
  30     // TODO :)
  31     //{"--ignore-times", "don't trust the file modification times"},
  32     //{"-l, --look-for-adds", "In addition to modifications, look for files that are not boring, and thus are potentially pending addition"},
  33     //{"--dont-look-for-adds", "Don't look for any files or directories that could be added, and don't add them automatically"},
  34     //{"--boring", "don't skip boring files"},
  35     CommandLineLastOption
  36 };
  37
  38 WhatsNew::WhatsNew()
  39     : AbstractCommand("whatsnew")
  40 {
  41     CommandLineParser::addOptionDefinitions(options);
  42     CommandLineParser::setArgumentDefinition("whatsnew [FILE or DIRECTORY]" );
  43 }
  44
  45 AbstractCommand::ReturnCodes WhatsNew::run()
  46 {
  47     if (! checkInRepository())
  48         return NotInRepo;
  49     moveToRoot();
  50
  51     CommandLineParser *args = CommandLineParser::instance();
  52     const bool printSummary = m_config.contains("summary") && !args->contains("no-summary") || args->contains("summary");
  53     const bool unified = m_config.contains("unified") || args->contains("unified");
  54     if (shouldUsePager())
  55         Logger::startPager();
  56     ChangeSet changeSet;
  57     changeSet.fillFromCurrentChanges(rebasedArguments());
  58
  59     QTextStream &out = Logger::standardOut();
  60     if (changeSet.count() == 0) {
  61         out << "No Changes!" << endl;
  62         return Ok;
  63     }
  64     if (!printSummary && !unified) {
  65         m_config.colorize(out);
  66         out << "{\n";
  67     }
  68     foreach(File file, changeSet.files()) {
  69         file.outputWhatsChanged(out, m_config, printSummary, unified);
  70         Logger::flushPager();
  71     }
  72     if (!printSummary && !unified) {
  73         m_config.colorize(out);
  74         out << "}\n";
  75         m_config.normalColor(out);
  76     }
  77
  78     return AbstractCommand::Ok;
  79 }
  80
  81 QString WhatsNew::argumentDescription() const
  82 {
  83     return QString("[FILE or DIRECTORY]");
  84 }
  85
  86 QString WhatsNew::commandDescription() const
  87 {
  88     return "whatsnew gives you a view of what changes you've made in your working\n"
  89         "copy that haven't yet been recorded.  The changes are displayed in\n"
  90         "vng patch format.\n";
  91 }