Changes.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 "Changes.h"
  20 #include "CommandLineParser.h"
  21 #include "GitRunner.h"
  22 #include "commits/Commit.h"
  23 #include "Logger.h"
  24 #include "Vng.h"
  25
  26 #include <QDebug>
  27
  28 static const CommandLineOption options[] = {
  29     // {"-a, --all", "answer yes to all patches"},
  30     // {"--to-match=PATTERN", "select changes up to a patch matching PATTERN"},
  31     // {"--to-patch=REGEXP", "select changes up to a patch matching REGEXP"},
  32     // {"--to-tag=REGEXP", "select changes up to a tag matching REGEXP"},
  33     // {"--from-match=PATTERN", "select changes starting with a patch matching PATTERN"},
  34     // {"--from-patch=REGEXP", "select changes starting with a patch matching REGEXP"},
  35     // {"--from-tag=REGEXP", "select changes starting with a tag matching REGEXP"},
  36     {"--last NUMBER", "select the last NUMBER patches"},
  37     // {"--matches=PATTERN", "select patches matching PATTERN"},
  38     // {"-p, --patches=REGEXP", "select patches matching REGEXP"},
  39     // {"-t, --tags=REGEXP", "select tags matching REGEXP"},
  40     // {"--context", "give output suitable for get --context"},
  41     // {"--xml-output", "generate XML formatted output"},
  42     // {"--human-readable", "give human-readable output"},
  43     // {"-s, --summary", "summarize changes"},
  44     // {"--no-summary", "don't summarize changes"},
  45     // {"--reverse", "show changes in reverse order"},
  46     CommandLineLastOption
  47 };
  48
  49 Changes::Changes()
  50     : AbstractCommand("changes")
  51 {
  52     CommandLineParser::addOptionDefinitions(options);
  53 }
  54
  55 QString Changes::argumentDescription() const
  56 {
  57     return "[FILE or DIRECTORY]";
  58 }
  59
  60 QString Changes::commandDescription() const
  61 {
  62     return "Gives a changelog-style summary of the repository history.\n";
  63 }
  64
  65 AbstractCommand::ReturnCodes Changes::run()
  66 {
  67     if (! checkInRepository())
  68         return NotInRepo;
  69     CommandLineParser *args = CommandLineParser::instance();
  70
  71     QProcess git;
  72     QStringList arguments;
  73     arguments << "whatchanged" << "-m" << "--pretty=raw";
  74
  75     if (args->contains("last"))
  76         arguments << "-n" << args->optionArgument("last");
  77
  78     GitRunner runner(git, arguments);
  79     ReturnCodes rc = runner.start(GitRunner::WaitForStandardOutput);
  80     if (rc) {
  81         // TODO proper reporting
  82         return rc;
  83     }
  84     if (shouldUsePager())
  85         Logger::startPager();
  86     while(true) {
  87         Commit commit = Commit::createFromStream(&git);
  88         if (! commit.isValid())
  89             break;
  90         Logger::info() << commit.commitTime().toString() << "  " << commit.author() << endl;
  91         Logger::info() << commit.logMessage();
  92     }
  93     if (shouldUsePager())
  94         Logger::stopPager();
  95     git.waitForFinished();
  96     return Ok;
  97 }
  98