src/commands/Push.cpp

   1 /*
   2  * This file is part of the vng project
   3  * Copyright (C) 2008 Thomas Zander <tzander@trolltech.com>
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "Push.h"
  20 #include "CommandLineParser.h"
  21 #include "Logger.h"
  22 #include "GitRunner.h"
  23 #include "GenericCursor.h"
  24 #include "Interview.h"
  25 #include "Vng.h"
  26
  27 #include <QProcess>
  28 #include <QDebug>
  29 #include <QRegExp>
  30
  31 static const CommandLineOption options[] = {
  32     // TODO :)
  33     // {"--matches=PATTERN", "select patches matching PATTERN"},
  34     // {"-p REGEXP, --patches=REGEXP", "select patches matching REGEXP"},
  35     // {"-t REGEXP, --tags=REGEXP", "select tags matching REGEXP"},
  36     // {"-a, --all", "answer yes to all patches"},
  37     // {"-i, --interactive", "prompt user interactively"},
  38     // {"-s, --summary", "summarize changes"},
  39     // {"--no-summary", "don't summarize changes"},
  40     {"--set-default", "set default repository [DEFAULT]"},
  41     {"--no-set-default", "don't set default repository"},
  42     CommandLineLastOption
  43 };
  44
  45 Push::Push()
  46     : AbstractCommand("push")
  47 {
  48     CommandLineParser::addOptionDefinitions(options);
  49     CommandLineParser::setArgumentDefinition("push [Repository]" );
  50 }
  51
  52 AbstractCommand::ReturnCodes Push::run()
  53 {
  54     if (! checkInRepository())
  55         return NotInRepo;
  56     CommandLineParser *args = CommandLineParser::instance();
  57
  58
  59     // Find out which remote repo to use
  60     RemoteRepo remoteRepo;
  61     if (args->arguments().count() > 1) {
  62         remoteRepo = RemoteRepo(args->arguments().at(1), args->arguments().at(1));
  63     } else {
  64         foreach (const RemoteRepo &repo, m_config.remotes()) {
  65             if (repo.isDefault()) {
  66                 remoteRepo = repo;
  67                 break;
  68             }
  69         }
  70     }
  71     if (! remoteRepo.isValid()) {
  72         if (m_config.remotes().isEmpty()) {
  73             Logger::error() << "Vng failed: Please specify the remote repository you want to push to\n";
  74             return InvalidOptions;
  75         }
  76         if (m_config.remotes().size() > 1) {
  77             GenericCursor cursor;
  78             foreach (const RemoteRepo &repo, m_config.remotes()) {
  79                 if (repo.url() == repo.name())
  80                     cursor.addDataItem(QLatin1String("   at ") + repo.url());
  81                 else
  82                     cursor.addDataItem(QLatin1String("   '") + repo.name()
  83                             + QLatin1String("` (") + repo.url() + QLatin1Char(')'));
  84             }
  85             Interview interview(cursor, QLatin1String("Shall I use this repository?"));
  86             interview.setUsePager(shouldUsePager());
  87             if (!interview.start())
  88                 return Ok;
  89             Q_ASSERT(!cursor.selectedItems().isEmpty());
  90             remoteRepo = m_config.remotes().at(cursor.selectedItems().first());
  91         } else {
  92             remoteRepo = m_config.remotes().first();
  93         }
  94     }
  95     Q_ASSERT(remoteRepo.isValid());
  96
  97     Logger::warn() << "Pushing to `" << remoteRepo.url() << "'\n";
  98     Logger::warn().flush(); // make sure its printed before git asks for an ssh pwd.
  99     if (dryRun())
 100         return Ok;
 101
 102     // TODO when not using --all ask the remote for all the refs it has and detect which ones we still have to push
 103     // TODO use interview to ask which refs to push instead of all below
 104     QProcess git;
 105     QStringList arguments;
 106     arguments << QLatin1String("push") << remoteRepo.url();
 107     GitRunner runner(git, arguments);
 108     AbstractCommand::ReturnCodes rc = runner.start(GitRunner::WaitForStandardOutput);
 109     if (rc != Ok) {
 110         Logger::error() << "Git push failed\n";
 111         return rc;
 112     }
 113
 114     char buf[1024];
 115     while(true) { // just pipe out data
 116         git.waitForReadyRead(-1);
 117         qint64 readLength = git.read(buf, sizeof(buf)-1);
 118         if (readLength <= 0)
 119             break;
 120         buf[readLength] = 0;
 121         Logger::standardOut() << buf;
 122     }
 123     git.waitForFinished(-1);
 124
 125     const bool makeDefault = args->contains(QLatin1String("set-default"))
 126         || (m_config.contains(QLatin1String("set-default"))
 127                 && !args->contains(QLatin1String("no-set-default")));
 128     m_config.addRepo(remoteRepo, makeDefault ? Configuration::AddAsDefault
 129             : Configuration::AddNotDefault);
 130     return Ok;
 131 }
 132
 133 QString Push::argumentDescription() const
 134 {
 135     return QLatin1String("[REPOSITORY]");
 136 }
 137
 138 QString Push::commandDescription() const
 139 {
 140     return QLatin1String("push is the opposite of pull. push allows you to copy changes from the\n"
 141     "current repository into another repository.\n");
 142 }