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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 EasyMercurial
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5
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6 Based on HgExplorer by Jari Korhonen
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7 Copyright (c) 2010 Jari Korhonen
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8 Copyright (c) 2010 Chris Cannam
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9 Copyright (c) 2010 Queen Mary, University of London
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10
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11 This program is free software; you can redistribute it and/or
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12 modify it under the terms of the GNU General Public License as
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13 published by the Free Software Foundation; either version 2 of the
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14 License, or (at your option) any later version. See the file
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15 COPYING included with this distribution for more information.
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16 */
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17
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18 #include "hgrunner.h"
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19 #include "common.h"
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20 #include "debug.h"
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21
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22 #include <QPushButton>
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23 #include <QListWidget>
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24 #include <QDialog>
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25 #include <QLabel>
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26 #include <QVBoxLayout>
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27 #include <QSettings>
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28 #include <QInputDialog>
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29
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30 #include <iostream>
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31 #include <unistd.h>
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32 #include <errno.h>
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33 #include <stdio.h>
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34
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35 #ifndef Q_OS_WIN32
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36 #ifdef Q_OS_MAC
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37 #include <util.h>
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38 #else
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39 #include <pty.h>
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40 #endif
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41 #endif
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42
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43 HgRunner::HgRunner(QWidget * parent): QProgressBar(parent)
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44 {
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45 proc = new QProcess(this);
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46
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47 QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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48 env.insert("LANG", "en_US.utf8");
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49 env.insert("LC_ALL", "en_US.utf8");
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50 proc->setProcessEnvironment(env);
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51
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52 setTextVisible(false);
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53 setVisible(false);
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54 isRunning = false;
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55
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56 stdOut.clear();
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57 stdErr.clear();
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58
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59 procInput = 0;
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60 #ifndef Q_OS_WIN32
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61 char name[1024];
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62 if (openpty(&ptyMasterFd, &ptySlaveFd, name, NULL, NULL)) {
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63 perror("openpty failed");
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64 } else {
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65 DEBUG << "openpty succeeded: master " << ptyMasterFd
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66 << " slave " << ptySlaveFd << " filename " << name << endl;
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67 procInput = new QFile;
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68 procInput->open(ptyMasterFd, QFile::WriteOnly);
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69 ptySlaveFilename = name;
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70 proc->setStandardInputFile(ptySlaveFilename);
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71 ::close(ptySlaveFd);
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72 }
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73 #endif
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74 connect(proc, SIGNAL(started()), this, SLOT(started()));
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75 connect(proc, SIGNAL(finished(int, QProcess::ExitStatus)),
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76 this, SLOT(finished(int, QProcess::ExitStatus)));
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77 connect(proc, SIGNAL(readyReadStandardOutput()),
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78 this, SLOT(stdOutReady()));
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79 connect(proc, SIGNAL(readyReadStandardError()),
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80 this, SLOT(stdErrReady()));
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81
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82 reportErrors = false;
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83 }
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84
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85 HgRunner::~HgRunner()
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86 {
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87 if (ptySlaveFilename != "") {
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88 ::close(ptyMasterFd);
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89 // ::close(ptySlaveFd);
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90 }
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91 delete proc;
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92 }
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93
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94 QString HgRunner::getHgBinaryName()
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95 {
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96 QSettings settings;
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97 QString hg = settings.value("hgbinary", "").toString();
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98 if (hg == "") {
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99 hg = findExecutable("hg");
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100 }
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101 if (hg != "hg") {
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102 settings.setValue("hgbinary", hg);
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103 }
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104 return hg;
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105 }
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106
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107 void HgRunner::started()
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108 {
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109 /*
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110 if (procInput) procInput->write("blah\n");
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111 if (procInput) procInput->write("blah\n");
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112 if (procInput) {
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113 procInput->close();
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114 // ::close(ptyMasterFd);
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115 }
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116 proc -> closeWriteChannel();
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117 */
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118 }
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119
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120 void HgRunner::saveOutput()
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121 {
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122 stdOut += QString::fromUtf8(proc -> readAllStandardOutput());
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123 stdErr += QString::fromUtf8(proc -> readAllStandardError());
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124
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125 DEBUG << "saveOutput: " << stdOut.split("\n").size() << " line(s) of stdout, " << stdErr.split("\n").size() << " line(s) of stderr" << endl;
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126
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127 // std::cerr << "stdout was " << stdOut.toStdString() << std::endl;
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128 }
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129
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130 void HgRunner::setProcExitInfo(int procExitCode, QProcess::ExitStatus procExitStatus)
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131 {
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132 exitCode = procExitCode;
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133 exitStatus = procExitStatus;
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134 }
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135
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136 QString HgRunner::getLastCommandLine()
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137 {
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138 return QString("Command line: " + lastHgCommand + " " + lastParams);
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139 }
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140
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141 void HgRunner::stdOutReady()
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142 {
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143 DEBUG << "stdOutReady" << endl;
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144 QString chunk = QString::fromUtf8(proc->readAllStandardOutput());
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145 //DEBUG << "stdout was " << chunk << endl;
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146 stdOut += chunk;
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147 }
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148
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149 void HgRunner::stdErrReady()
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150 {
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151 DEBUG << "stdErrReady" << endl;
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152 QString chunk = QString::fromUtf8(proc->readAllStandardError());
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153 //DEBUG << "stderr was " << chunk << endl;
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154 stdErr += chunk;
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155 if (procInput) {
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156 if (chunk.toLower().trimmed() == "password:") {
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157 bool ok = false;
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158 QString pwd = QInputDialog::getText
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159 (qobject_cast<QWidget *>(parent()),
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160 tr("Enter password"), tr("Password (but for what user name and repository??"),
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161 QLineEdit::Password, QString(), &ok);
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162 if (ok) {
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163 procInput->write(QString("%1\n").arg(pwd).toUtf8());
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164 procInput->flush();
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165 } else {
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166 //!!! do what? close the terminal?
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167 }
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168 }
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169 }
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170 }
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171
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172 void HgRunner::finished(int procExitCode, QProcess::ExitStatus procExitStatus)
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173 {
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174 setProcExitInfo(procExitCode, procExitStatus);
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175 saveOutput();
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176 isRunning = false;
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177
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178 if (procExitCode == 0 && procExitStatus == QProcess::NormalExit) {
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179 DEBUG << "HgRunner::finished: Command completed successfully: stderr says: " << stdErr << endl;
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180 emit commandCompleted();
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181 } else {
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182 DEBUG << "HgRunner::finished: Command failed: stderr says: " << stdErr << endl;
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183 emit commandFailed();
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184 }
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185 }
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186
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187 bool HgRunner::isCommandRunning()
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188 {
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189 return isRunning;
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190 }
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191
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192 void HgRunner::killCurrentCommand()
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193 {
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194 if (isCommandRunning()) {
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195 proc -> kill();
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196 }
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197 }
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198
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199 void HgRunner::startHgCommand(QString workingDir, QStringList params)
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200 {
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201 startCommand(getHgBinaryName(), workingDir, params);
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202 }
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203
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204 void HgRunner::startCommand(QString command, QString workingDir, QStringList params)
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205 {
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206 isRunning = true;
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207 setRange(0, 0);
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208 setVisible(true);
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209 stdOut.clear();
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210 stdErr.clear();
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211 exitCode = 0;
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212 exitStatus = QProcess::NormalExit;
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213
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214 if (!workingDir.isEmpty())
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215 {
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216 proc -> setWorkingDirectory(workingDir);
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217 }
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218
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219 lastHgCommand = command;
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220 lastParams = params.join(" ");
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221
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222 QString cmdline = command;
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223 foreach (QString param, params) cmdline += " " + param;
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224 DEBUG << "HgRunner: starting: " << cmdline << " with cwd "
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225 << workingDir << endl;
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226
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227 proc -> start(command, params);
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228 }
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229
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230 int HgRunner::getExitCode()
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231 {
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232 return exitCode;
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233 }
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234
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235 QString HgRunner::getStdOut()
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236 {
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237 return stdOut;
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238 }
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239
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240 void HgRunner::hideProgBar()
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241 {
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242 setVisible(false);
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243 }
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244
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245
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