1 | /* gsynaptic.cc - main() |
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2 | * |
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3 | * Copyright (c) 2001-2003 Alfredo K. Kojima |
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4 | * |
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5 | * Author: Alfredo K. Kojima <kojima@conectiva.com.br> |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License as |
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9 | * published by the Free Software Foundation; either version 2 of the |
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10 | * License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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20 | * USA |
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21 | */ |
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22 | |
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23 | #include <iostream> |
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24 | |
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25 | #include "config.h" |
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26 | |
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27 | #include "i18n.h" |
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28 | |
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29 | #include "rconfiguration.h" |
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30 | #include "raptoptions.h" |
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31 | #include "rpackagelister.h" |
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32 | #include <cmath> |
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33 | #include <apt-pkg/configuration.h> |
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34 | #include <apt-pkg/cmndline.h> |
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35 | #include <apt-pkg/error.h> |
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36 | #include <X11/Xlib.h> |
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37 | #include <unistd.h> |
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38 | #include <sys/types.h> |
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39 | #include <sys/stat.h> |
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40 | #include <fcntl.h> |
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41 | #include <signal.h> |
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42 | #include <cassert> |
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43 | #include <errno.h> |
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44 | #include <fstream> |
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45 | |
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46 | #include "rgmainwindow.h" |
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47 | #include "rguserdialog.h" |
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48 | #include "locale.h" |
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49 | #include "stdio.h" |
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50 | #include "rgmisc.h" |
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51 | |
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52 | |
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53 | |
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54 | typedef enum { |
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55 | UPDATE_ASK, |
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56 | UPDATE_CLOSE, |
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57 | UPDATE_AUTO |
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58 | } UpdateType; |
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59 | |
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60 | |
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61 | bool ShowHelp(CommandLine & CmdL) |
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62 | { |
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63 | std::cout << |
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64 | #ifndef HAVE_RPM |
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65 | PACKAGE " for Debian " VERSION |
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66 | #else |
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67 | _config->Find("Synaptic::MyName", PACKAGE) + " " VERSION |
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68 | #endif |
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69 | "\n\n" << |
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70 | _("Usage: synaptic [options]\n") << |
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71 | _("-h This help text\n") << |
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72 | _("-r Open in the repository screen\n") << |
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73 | _("-f=? Give an alternative filter file\n") << |
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74 | _("-t Give an alternative main window title (e.g. hostname with `uname -n`)\n") << |
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75 | _("-i=? Start with the initial Filter with given name\n") << |
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76 | _("-o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n")<< |
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77 | _("--upgrade-mode Call Upgrade and display changes\n") << |
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78 | _("--dist-upgrade-mode Call DistUpgrade and display changes\n") << |
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79 | _("--update-at-startup Call \"Reload\" on startup\n")<< |
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80 | _("--non-interactive Never prompt for user input\n") << |
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81 | _("--task-window Open with task window\n") << |
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82 | _("--add-cdrom Add a cdrom at startup (needs path for cdrom)\n") << |
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83 | _("--ask-cdrom Ask for adding a cdrom and exit\n"); |
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84 | exit(0); |
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85 | } |
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86 | |
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87 | CommandLine::Args Args[] = { |
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88 | { |
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89 | 'h', "help", "help", 0} |
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90 | , { |
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91 | 'f', "filter-file", "Volatile::filterFile", CommandLine::HasArg} |
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92 | , { |
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93 | 'r', "repositories", "Volatile::startInRepositories", 0} |
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94 | , { |
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95 | 'i', "initial-filter", "Volatile::initialFilter", CommandLine::HasArg} |
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96 | , { |
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97 | 0, "set-selections", "Volatile::Set-Selections", 0} |
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98 | , { |
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99 | 0, "set-selections-file", "Volatile::Set-Selections-File", CommandLine::HasArg} |
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100 | , { |
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101 | 0, "non-interactive", "Volatile::Non-Interactive", 0} |
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102 | , { |
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103 | 0, "upgrade-mode", "Volatile::Upgrade-Mode", 0} |
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104 | , { |
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105 | 0, "dist-upgrade-mode", "Volatile::DistUpgrade-Mode", 0} |
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106 | , { |
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107 | 0, "add-cdrom", "Volatile::AddCdrom-Mode", CommandLine::HasArg} |
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108 | , { |
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109 | 0, "ask-cdrom", "Volatile::AskCdrom-Mode", 0} |
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110 | , { |
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111 | 0, "plug-progress-into", "Volatile::PlugProgressInto", CommandLine::HasArg} |
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112 | , { |
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113 | 0, "progress-str", "Volatile::InstallProgressStr", CommandLine::HasArg} |
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114 | , { |
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115 | 0, "finish-str", "Volatile::InstallFinishedStr", CommandLine::HasArg} |
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116 | , { |
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117 | 't', "title", "Volatile::MyName", CommandLine::HasArg} |
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118 | , { |
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119 | 0, "update-at-startup", "Volatile::Update-Mode", 0} |
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120 | , { |
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121 | 0, "hide-main-window", "Volatile::HideMainwindow", 0} |
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122 | , { |
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123 | 0, "task-window", "Volatile::TaskWindow", 0} |
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124 | , { |
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125 | 'o', "option", 0, CommandLine::ArbItem} |
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126 | , { |
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127 | 0, 0, 0, 0} |
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128 | }; |
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129 | |
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130 | |
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131 | static void SetLanguages() |
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132 | { |
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133 | string LangList; |
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134 | if (_config->FindB("Synaptic::DynamicLanguages", true) == false) { |
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135 | LangList = _config->Find("Synaptic::Languages", ""); |
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136 | } else { |
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137 | char *lang = getenv("LANG"); |
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138 | if (lang == NULL) { |
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139 | lang = getenv("LC_MESSAGES"); |
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140 | if (lang == NULL) { |
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141 | lang = getenv("LC_ALL"); |
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142 | } |
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143 | } |
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144 | if (lang != NULL && strcmp(lang, "C") != 0) |
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145 | LangList = lang; |
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146 | } |
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147 | |
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148 | _config->Set("Volatile::Languages", LangList); |
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149 | } |
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150 | |
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151 | void welcome_dialog(RGMainWindow *mainWindow) |
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152 | { |
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153 | // show welcome dialog |
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154 | if (_config->FindB("Synaptic::showWelcomeDialog", true) && |
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155 | !_config->FindB("Volatile::Upgrade-Mode",false)) { |
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156 | RGGladeUserDialog dia(mainWindow); |
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157 | dia.run("welcome"); |
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158 | GtkWidget *cb = glade_xml_get_widget(dia.getGladeXML(), |
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159 | "checkbutton_show_again"); |
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160 | assert(cb); |
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161 | _config->Set("Synaptic::showWelcomeDialog", |
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162 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cb))); |
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163 | } |
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164 | } |
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165 | |
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166 | void update_check(RGMainWindow *mainWindow, RPackageLister *lister) |
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167 | { |
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168 | struct stat st; |
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169 | |
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170 | // check when the last update happend updates |
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171 | UpdateType update = |
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172 | (UpdateType) _config->FindI("Synaptic::update::type", UPDATE_ASK); |
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173 | if(update != UPDATE_CLOSE) { |
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174 | // check when last update happend |
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175 | int lastUpdate = _config->FindI("Synaptic::update::last",0); |
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176 | int minimal= _config->FindI("Synaptic::update::minimalIntervall", 48); |
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177 | |
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178 | // check for the mtime of the various package lists |
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179 | vector<string> filenames = lister->getPolicyArchives(true); |
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180 | for (int i=0;i<filenames.size();i++) { |
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181 | stat(filenames[i].c_str(), &st); |
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182 | if(filenames[i] != "/var/lib/dpkg/status") |
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183 | lastUpdate = max(lastUpdate, (int)st.st_mtime); |
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184 | } |
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185 | |
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186 | // new apt uses this |
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187 | string update_stamp = _config->FindDir("Dir::State","var/lib/apt"); |
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188 | update_stamp += "update-stamp"; |
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189 | if(FileExists(update_stamp)) { |
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190 | stat(update_stamp.c_str(), &st); |
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191 | lastUpdate = max(lastUpdate, (int)st.st_mtime); |
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192 | } |
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193 | |
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194 | // 3600s=1h |
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195 | if((lastUpdate + minimal*3600) < time(NULL)) { |
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196 | if(update == UPDATE_AUTO) |
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197 | mainWindow->cbUpdateClicked(NULL, mainWindow); |
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198 | else { |
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199 | RGGladeUserDialog dia(mainWindow); |
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200 | int res = dia.run("update_outdated",true); |
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201 | GtkWidget *cb = glade_xml_get_widget(dia.getGladeXML(), |
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202 | "checkbutton_remember"); |
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203 | assert(cb); |
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204 | if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cb))) { |
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205 | if(res == GTK_RESPONSE_CANCEL) |
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206 | _config->Set("Synaptic::update::type", UPDATE_CLOSE); |
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207 | if(res == GTK_RESPONSE_OK) |
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208 | _config->Set("Synaptic::update::type", UPDATE_AUTO); |
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209 | } |
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210 | if(res == GTK_RESPONSE_OK) |
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211 | mainWindow->cbUpdateClicked(NULL, mainWindow); |
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212 | } |
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213 | } |
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214 | } |
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215 | } |
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216 | |
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217 | |
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218 | // lock stuff |
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219 | static int sigterm_unix_signal_pipe_fds[2]; |
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220 | static GIOChannel *sigterm_iochn; |
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221 | |
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222 | static void |
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223 | handle_sigusr1 (int value) |
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224 | { |
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225 | static char marker[1] = {'S'}; |
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226 | |
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227 | /* write a 'S' character to the other end to tell about |
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228 | * the signal. Note that 'the other end' is a GIOChannel thingy |
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229 | * that is only called from the mainloop - thus this is how we |
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230 | * defer this since UNIX signal handlers are evil |
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231 | * |
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232 | * Oh, and write(2) is indeed reentrant */ |
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233 | write (sigterm_unix_signal_pipe_fds[1], marker, 1); |
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234 | } |
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235 | |
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236 | static gboolean |
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237 | sigterm_iochn_data (GIOChannel *source, |
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238 | GIOCondition condition, |
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239 | gpointer user_data) |
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240 | { |
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241 | GError *err = NULL; |
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242 | gchar data[1]; |
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243 | gsize bytes_read; |
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244 | |
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245 | RGMainWindow *me = (RGMainWindow *)user_data; |
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246 | |
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247 | /* Empty the pipe */ |
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248 | if (G_IO_STATUS_NORMAL != |
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249 | g_io_channel_read_chars (source, data, 1, &bytes_read, &err)) { |
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250 | g_warning("Error emptying callout notify pipe: %s", err->message); |
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251 | g_error_free (err); |
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252 | return TRUE; |
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253 | } |
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254 | if(data[0] == 'S') |
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255 | me->activeWindowToForeground(); |
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256 | |
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257 | return TRUE; |
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258 | } |
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259 | |
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260 | // test if a lock is aquired already, return 0 if no lock is found, |
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261 | // the pid of the locking application or -1 on error |
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262 | pid_t TestLock(string File) |
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263 | { |
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264 | int FD = open(File.c_str(),0); |
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265 | if(FD < 0) { |
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266 | if(errno == ENOENT) { |
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267 | // File does not exist, no there can't be a lock |
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268 | return 0; |
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269 | } else { |
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270 | //cout << "open, errno: " << errno << endl; |
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271 | //perror("open"); |
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272 | return(-1); |
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273 | } |
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274 | } |
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275 | struct flock fl; |
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276 | fl.l_type = F_WRLCK; |
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277 | fl.l_whence = SEEK_SET; |
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278 | fl.l_start = 0; |
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279 | fl.l_len = 0; |
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280 | if (fcntl(FD, F_GETLK, &fl) < 0) { |
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281 | int Tmp = errno; |
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282 | close(FD); |
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283 | cerr << "fcntl error" << endl; |
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284 | errno = Tmp; |
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285 | return(-1); |
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286 | } |
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287 | close(FD); |
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288 | // lock is available |
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289 | if(fl.l_type == F_UNLCK) |
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290 | return(0); |
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291 | // file is locked by another process |
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292 | return (fl.l_pid); |
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293 | } |
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294 | |
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295 | // check if we can get a lock, must be done after we read the configuration |
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296 | // if a lock is found and the app is synaptic send it a "come to foreground" |
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297 | // signal (USR1) or if not synaptic display a error and exit |
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298 | // 1. check if there is another synaptic running |
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299 | // a) if so, check if it runs interactive and we are not running interactive |
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300 | // *) if so, send signal and show message |
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301 | // *) if not, send signal |
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302 | // 2. check if we can get a /var/lib/dpkg/lock |
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303 | // *) if not, show message and fail |
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304 | void check_and_aquire_lock() |
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305 | { |
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306 | GtkWidget *dia; |
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307 | gchar *msg = NULL; |
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308 | pid_t LockedApp, runsNonInteractive; |
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309 | bool weNonInteractive; |
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310 | |
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311 | string SynapticLock = RConfDir()+"/lock"; |
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312 | string SynapticNonInteractiveLock = RConfDir()+"/lock.non-interactive"; |
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313 | weNonInteractive = _config->FindB("Volatile::Non-Interactive", false); |
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314 | |
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315 | // 1. test for another synaptic |
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316 | LockedApp = TestLock(SynapticLock); |
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317 | if(LockedApp > 0) { |
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318 | runsNonInteractive = TestLock(SynapticNonInteractiveLock); |
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319 | //cout << "runsNonIteractive: " << runsNonInteractive << endl; |
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320 | //cout << "weNonIteractive: " << weNonInteractive << endl; |
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321 | if(weNonInteractive && runsNonInteractive <= 0) { |
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322 | // message that we can't turn a non-interactive into a interactive |
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323 | // one |
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324 | msg = g_strdup_printf("<big><b>%s</b></big>\n\n%s", |
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325 | _("Another synaptic is running"), |
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326 | _("There is another synaptic running in " |
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327 | "interactive mode. Please close it first. " |
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328 | )); |
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329 | } else if(!weNonInteractive && runsNonInteractive) { |
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330 | msg = g_strdup_printf("<big><b>%s</b></big>\n\n%s", |
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331 | _("Another synaptic is running"), |
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332 | _("There is another synaptic running in " |
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333 | "non-interactive mode. Please wait for it " |
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334 | "to finish first." |
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335 | )); |
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336 | } |
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337 | |
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338 | if(msg != NULL) { |
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339 | dia = gtk_message_dialog_new_with_markup(NULL, GTK_DIALOG_MODAL, |
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340 | GTK_MESSAGE_ERROR, |
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341 | GTK_BUTTONS_CLOSE, msg); |
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342 | gtk_dialog_run(GTK_DIALOG(dia)); |
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343 | gtk_widget_destroy(dia); |
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344 | g_free(msg); |
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345 | } |
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346 | |
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347 | cout << "Another synaptic is running. Trying to bring it to the foreground" << endl; |
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348 | kill(LockedApp, SIGUSR1); |
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349 | exit(0); |
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350 | } |
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351 | |
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352 | // 2. test if we can get a lock |
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353 | string AdminDir = flNotFile(_config->Find("Dir::State::status")); |
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354 | LockedApp = TestLock(AdminDir + "lock"); |
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355 | if (LockedApp > 0) { |
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356 | msg = g_strdup_printf("<big><b>%s</b></big>\n\n%s", |
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357 | _("Unable to get exclusive lock"), |
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358 | _("This usually means that another " |
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359 | "package management application " |
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360 | "(like apt-get or aptitude) " |
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361 | "already running. Please close that " |
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362 | "application first.")); |
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363 | dia = gtk_message_dialog_new_with_markup(NULL, GTK_DIALOG_MODAL, |
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364 | GTK_MESSAGE_ERROR, |
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365 | GTK_BUTTONS_CLOSE, msg); |
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366 | gtk_dialog_run(GTK_DIALOG(dia)); |
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367 | g_free(msg); |
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368 | exit(0); |
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369 | } |
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370 | |
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371 | // we can't get a lock?!? |
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372 | if(GetLock(SynapticLock, true) < 0) { |
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373 | _error->DumpErrors(); |
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374 | exit(1); |
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375 | } |
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376 | // if we run nonInteracitvely, get a seond lock |
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377 | if(weNonInteractive && GetLock(SynapticNonInteractiveLock, true) < 0) { |
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378 | _error->DumpErrors(); |
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379 | exit(1); |
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380 | } |
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381 | } |
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382 | |
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383 | int main(int argc, char **argv) |
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384 | { |
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385 | #ifdef ENABLE_NLS |
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386 | //bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8"); |
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387 | bindtextdomain(GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR); |
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388 | textdomain(GETTEXT_PACKAGE); |
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389 | |
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390 | #ifdef HAVE_RPM |
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391 | bind_textdomain_codeset("rpm", "UTF-8"); |
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392 | #endif |
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393 | #endif |
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394 | |
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395 | gtk_init(&argc, &argv); |
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396 | //XSynchronize(dpy, 1); |
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397 | |
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398 | if (getuid() != 0) { |
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399 | RGUserDialog userDialog; |
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400 | userDialog.error(_("You must run this program as the root user.")); |
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401 | exit(1); |
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402 | } |
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403 | |
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404 | if (!RInitConfiguration("synaptic.conf")) { |
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405 | RGUserDialog userDialog; |
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406 | userDialog.showErrors(); |
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407 | exit(1); |
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408 | } |
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409 | |
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410 | // read the cmdline |
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411 | CommandLine CmdL(Args, _config); |
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412 | if (CmdL.Parse(argc, (const char **)argv) == false) { |
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413 | RGUserDialog userDialog; |
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414 | userDialog.showErrors(); |
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415 | exit(1); |
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416 | } |
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417 | |
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418 | bool UpdateMode = _config->FindB("Volatile::Update-Mode",false); |
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419 | bool NonInteractive = _config->FindB("Volatile::Non-Interactive", false); |
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420 | |
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421 | // check if there is another application runing and |
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422 | // act accordingly |
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423 | check_and_aquire_lock(); |
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424 | |
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425 | // read configuration early |
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426 | _roptions->restore(); |
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427 | |
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428 | if (_config->FindB("help") == true) |
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429 | ShowHelp(CmdL); |
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430 | |
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431 | #ifdef ENABLE_NLS |
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432 | bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8"); |
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433 | #endif |
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434 | |
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435 | SetLanguages(); |
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436 | |
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437 | // init the static pkgStatus class. this loads the status pixmaps |
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438 | // and colors |
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439 | RGPackageStatus::pkgStatus.init(); |
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440 | |
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441 | RPackageLister *packageLister = new RPackageLister(); |
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442 | RGMainWindow *mainWindow = new RGMainWindow(packageLister, "main"); |
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443 | |
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444 | // install a sigusr1 signal handler and put window into |
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445 | // foreground when called. use the io_watch trick because gtk is not |
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446 | // reentrant |
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447 | // SIGUSR1 handling via pipes |
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448 | if (pipe (sigterm_unix_signal_pipe_fds) != 0) { |
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449 | g_warning ("Could not setup pipe, errno=%d", errno); |
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450 | return 1; |
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451 | } |
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452 | sigterm_iochn = g_io_channel_unix_new (sigterm_unix_signal_pipe_fds[0]); |
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453 | if (sigterm_iochn == NULL) { |
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454 | g_warning("Could not create GIOChannel"); |
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455 | return 1; |
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456 | } |
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457 | g_io_add_watch (sigterm_iochn, G_IO_IN, sigterm_iochn_data, mainWindow); |
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458 | signal (SIGUSR1, handle_sigusr1); |
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459 | // ------------------------------------------------------------- |
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460 | |
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461 | // read which default distro to use |
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462 | string s = _config->Find("Synaptic::DefaultDistro", ""); |
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463 | if (s != "") |
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464 | _config->Set("APT::Default-Release", s); |
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465 | |
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466 | #ifndef HAVE_RPM |
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467 | mainWindow->setTitle(_("Synaptic Package Manager ")); |
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468 | #else |
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469 | mainWindow->setTitle(_config->Find("Synaptic::MyName", "Synaptic")); |
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470 | #endif |
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471 | // this is for stuff like "synaptic -t `uname -n`" |
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472 | s = _config->Find("Volatile::MyName",""); |
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473 | if(s.size() > 0) |
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474 | mainWindow->setTitle(s); |
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475 | |
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476 | if(_config->FindB("Volatile::HideMainwindow", false)) |
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477 | mainWindow->hide(); |
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478 | else |
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479 | mainWindow->show(); |
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480 | |
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481 | RGFlushInterface(); |
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482 | |
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483 | mainWindow->setInterfaceLocked(true); |
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484 | |
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485 | string cd_mount_point = _config->Find("Volatile::AddCdrom-Mode", ""); |
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486 | if(!cd_mount_point.empty()) { |
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487 | _config->Set("Acquire::cdrom::mount",cd_mount_point); |
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488 | _config->Set("APT::CDROM::NoMount", true); |
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489 | mainWindow->cbAddCDROM(NULL, mainWindow); |
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490 | } else if(_config->FindB("Volatile::AskCdrom-Mode",false)) { |
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491 | mainWindow->cbAddCDROM(NULL, mainWindow); |
---|
492 | return 0; |
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493 | } |
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494 | |
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495 | //no need to open a cache that will invalid after the update |
---|
496 | if(!UpdateMode) { |
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497 | mainWindow->setTreeLocked(true); |
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498 | packageLister->openCache(); |
---|
499 | mainWindow->restoreState(); |
---|
500 | mainWindow->showErrors(); |
---|
501 | mainWindow->setTreeLocked(false); |
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502 | } |
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503 | |
---|
504 | if (_config->FindB("Volatile::startInRepositories", false)) { |
---|
505 | mainWindow->cbShowSourcesWindow(NULL, mainWindow); |
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506 | } |
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507 | |
---|
508 | // selections from stdin |
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509 | if (_config->FindB("Volatile::Set-Selections", false) == true) { |
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510 | packageLister->unregisterObserver(mainWindow); |
---|
511 | packageLister->readSelections(cin); |
---|
512 | packageLister->registerObserver(mainWindow); |
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513 | } |
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514 | |
---|
515 | // selections from a file |
---|
516 | string selections_filename; |
---|
517 | selections_filename =_config->Find("Volatile::Set-Selections-File", ""); |
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518 | if (selections_filename != "") { |
---|
519 | packageLister->unregisterObserver(mainWindow); |
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520 | ifstream selfile(selections_filename.c_str()); |
---|
521 | packageLister->readSelections(selfile); |
---|
522 | selfile.close(); |
---|
523 | packageLister->registerObserver(mainWindow); |
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524 | } |
---|
525 | |
---|
526 | mainWindow->setInterfaceLocked(false); |
---|
527 | |
---|
528 | if(UpdateMode) { |
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529 | mainWindow->cbUpdateClicked(NULL, mainWindow); |
---|
530 | mainWindow->setTreeLocked(true); |
---|
531 | packageLister->openCache(); |
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532 | mainWindow->restoreState(); |
---|
533 | mainWindow->setTreeLocked(false); |
---|
534 | mainWindow->showErrors(); |
---|
535 | mainWindow->changeView(PACKAGE_VIEW_STATUS, _("Installed (upgradable)")); |
---|
536 | } |
---|
537 | |
---|
538 | if(_config->FindB("Volatile::Upgrade-Mode",false) |
---|
539 | || _config->FindB("Volatile::DistUpgrade-Mode",false) ) { |
---|
540 | mainWindow->cbUpgradeClicked(NULL, mainWindow); |
---|
541 | mainWindow->changeView(PACKAGE_VIEW_CUSTOM, _("Marked Changes")); |
---|
542 | } |
---|
543 | |
---|
544 | if(_config->FindB("Volatile::TaskWindow",false)) { |
---|
545 | mainWindow->cbTasksClicked(NULL, mainWindow); |
---|
546 | } |
---|
547 | |
---|
548 | string filter = _config->Find("Volatile::initialFilter",""); |
---|
549 | if(filter != "") |
---|
550 | mainWindow->changeView(PACKAGE_VIEW_CUSTOM, filter); |
---|
551 | |
---|
552 | if (NonInteractive) { |
---|
553 | mainWindow->cbProceedClicked(NULL, mainWindow); |
---|
554 | } else { |
---|
555 | welcome_dialog(mainWindow); |
---|
556 | #if 0 |
---|
557 | update_check(mainWindow, packageLister); |
---|
558 | #endif |
---|
559 | gtk_main(); |
---|
560 | } |
---|
561 | |
---|
562 | return 0; |
---|
563 | } |
---|
564 | |
---|
565 | |
---|
566 | // vim:sts=4:sw=4 |
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