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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 #include <pty.h>
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37 #endif
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38
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39 HgRunner::HgRunner(QWidget * parent): QProgressBar(parent)
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40 {
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41 proc = new QProcess(this);
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42
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43 QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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44 env.insert("LANG", "en_US.utf8");
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45 env.insert("LC_ALL", "en_US.utf8");
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46 proc->setProcessEnvironment(env);
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47
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48 setTextVisible(false);
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49 setVisible(false);
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50 isRunning = false;
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51
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52 stdOut.clear();
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53 stdErr.clear();
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54
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55 procInput = 0;
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56 #ifndef Q_OS_WIN32
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57 char name[1024];
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58 if (openpty(&ptyMasterFd, &ptySlaveFd, name, NULL, NULL)) {
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59 perror("openpty failed");
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60 } else {
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61 DEBUG << "openpty succeeded: master " << ptyMasterFd
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62 << " slave " << ptySlaveFd << " filename " << name << endl;
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63 procInput = new QFile;
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64 procInput->open(ptyMasterFd, QFile::WriteOnly);
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65 ptySlaveFilename = name;
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66 proc->setStandardInputFile(ptySlaveFilename);
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67 ::close(ptySlaveFd);
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68 }
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69 #endif
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70 connect(proc, SIGNAL(started()), this, SLOT(started()));
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71 connect(proc, SIGNAL(finished(int, QProcess::ExitStatus)),
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72 this, SLOT(finished(int, QProcess::ExitStatus)));
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73 connect(proc, SIGNAL(readyReadStandardOutput()),
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74 this, SLOT(stdOutReady()));
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75 connect(proc, SIGNAL(readyReadStandardError()),
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76 this, SLOT(stdErrReady()));
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77
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78 reportErrors = false;
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79 }
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80
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81 HgRunner::~HgRunner()
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82 {
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83 if (ptySlaveFilename != "") {
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84 ::close(ptyMasterFd);
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85 // ::close(ptySlaveFd);
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86 }
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87 delete proc;
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88 }
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89
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90 QString HgRunner::getHgBinaryName()
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91 {
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92 QSettings settings;
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93 QString hg = settings.value("hgbinary", "hg").toString();
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94 if (hg == "") hg = "hg";
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95 hg = findExecutable(hg);
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96 settings.setValue("hgbinary", hg);
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97 return hg;
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98 }
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99
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100 void HgRunner::started()
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101 {
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102 /*
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103 if (procInput) procInput->write("blah\n");
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104 if (procInput) procInput->write("blah\n");
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105 if (procInput) {
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106 procInput->close();
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107 // ::close(ptyMasterFd);
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108 }
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109 proc -> closeWriteChannel();
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110 */
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111 }
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112
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113 void HgRunner::saveOutput()
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114 {
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115 stdOut += QString::fromUtf8(proc -> readAllStandardOutput());
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116 stdErr += QString::fromUtf8(proc -> readAllStandardError());
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117
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118 DEBUG << "saveOutput: " << stdOut.split("\n").size() << " line(s) of stdout, " << stdErr.split("\n").size() << " line(s) of stderr" << endl;
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119
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120 // std::cerr << "stdout was " << stdOut.toStdString() << std::endl;
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121 }
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122
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123 void HgRunner::setProcExitInfo(int procExitCode, QProcess::ExitStatus procExitStatus)
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124 {
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125 exitCode = procExitCode;
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126 exitStatus = procExitStatus;
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127 }
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128
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129 QString HgRunner::getLastCommandLine()
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130 {
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131 return QString("Command line: " + lastHgCommand + " " + lastParams);
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132 }
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133
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134 void HgRunner::stdOutReady()
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135 {
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136 DEBUG << "stdOutReady" << endl;
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137 QString chunk = QString::fromUtf8(proc->readAllStandardOutput());
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138 DEBUG << "stdout was " << chunk << endl;
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139 stdOut += chunk;
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140 }
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141
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142 void HgRunner::stdErrReady()
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143 {
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144 DEBUG << "stdErrReady" << endl;
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145 QString chunk = QString::fromUtf8(proc->readAllStandardError());
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146 DEBUG << "stderr was " << chunk << endl;
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147 stdErr += chunk;
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148 if (procInput) {
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149 if (chunk.toLower().trimmed() == "password:") {
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150 bool ok = false;
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151 QString pwd = QInputDialog::getText
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152 (qobject_cast<QWidget *>(parent()),
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153 tr("Enter password"), tr("Password (but for what user name and repository??"),
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154 QLineEdit::Password, QString(), &ok);
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155 if (ok) {
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156 procInput->write(QString("%1\n").arg(pwd).toUtf8());
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157 procInput->flush();
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158 } else {
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159 //!!! do what? close the terminal?
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160 }
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161 }
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162 }
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163 }
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164
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165 void HgRunner::finished(int procExitCode, QProcess::ExitStatus procExitStatus)
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166 {
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167 setProcExitInfo(procExitCode, procExitStatus);
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168 saveOutput();
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169 isRunning = false;
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170
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171 if (procExitCode == 0 && procExitStatus == QProcess::NormalExit) {
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172 DEBUG << "HgRunner::finished: Command completed successfully: stderr says: " << stdErr << endl;
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173 emit commandCompleted();
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174 } else {
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175 DEBUG << "HgRunner::finished: Command failed: stderr says: " << stdErr << endl;
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176 emit commandFailed();
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177 }
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178 }
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179
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180 bool HgRunner::isCommandRunning()
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181 {
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182 return isRunning;
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183 }
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184
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185 void HgRunner::killCurrentCommand()
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186 {
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187 if (isCommandRunning()) {
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188 proc -> kill();
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189 }
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190 }
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191
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192 void HgRunner::startHgCommand(QString workingDir, QStringList params)
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193 {
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194 startCommand(getHgBinaryName(), workingDir, params);
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195 }
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196
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197 void HgRunner::startCommand(QString command, QString workingDir, QStringList params)
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198 {
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199 isRunning = true;
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200 setRange(0, 0);
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201 setVisible(true);
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202 stdOut.clear();
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203 stdErr.clear();
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204 exitCode = 0;
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205 exitStatus = QProcess::NormalExit;
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206
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207 if (!workingDir.isEmpty())
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208 {
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209 proc -> setWorkingDirectory(workingDir);
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210 }
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211
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212 lastHgCommand = command;
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213 lastParams = params.join(" ");
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214
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215 QString cmdline = command;
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216 foreach (QString param, params) cmdline += " " + param;
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217 DEBUG << "HgRunner: starting: " << cmdline << " with cwd "
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218 << workingDir << endl;
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219
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220 proc -> start(command, params);
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221 }
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222
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223 int HgRunner::getExitCode()
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224 {
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225 return exitCode;
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226 }
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227
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228 QString HgRunner::getStdOut()
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229 {
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230 return stdOut;
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231 }
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232
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233 void HgRunner::hideProgBar()
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234 {
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235 setVisible(false);
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236 }
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237
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238
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