cmdline/apt.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* ######################################################################
   4
   5    apt - CLI UI for apt
   6
   7    Returns 100 on failure, 0 on success.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #include<config.h>
  13
  14 #include <apt-pkg/cmndline.h>
  15 #include <apt-pkg/error.h>
  16 #include <apt-pkg/init.h>
  17 #include <apt-pkg/pkgsystem.h>
  18 #include <apt-pkg/strutl.h>
  19 #include <apt-pkg/configuration.h>
  20
  21 #include <apt-private/private-list.h>
  22 #include <apt-private/private-search.h>
  23 #include <apt-private/private-install.h>
  24 #include <apt-private/private-output.h>
  25 #include <apt-private/private-update.h>
  26 #include <apt-private/private-cmndline.h>
  27 #include <apt-private/private-moo.h>
  28 #include <apt-private/private-upgrade.h>
  29 #include <apt-private/private-show.h>
  30 #include <apt-private/private-main.h>
  31 #include <apt-private/private-sources.h>
  32
  33 #include <unistd.h>
  34 #include <iostream>
  35 #include <vector>
  36
  37 #include <apti18n.h>
  38                                                                         /*}}}*/
  39
  40 static bool ShowHelp(CommandLine &)
  41 {
  42    ioprintf(c1out,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
  43             COMMON_ARCH,__DATE__,__TIME__);
  44
  45    // FIXME: generate from CommandLine
  46    c1out <<
  47     _("Usage: apt [options] command\n"
  48       "\n"
  49       "CLI for apt.\n"
  50       "Basic commands: \n"
  51       " list - list packages based on package names\n"
  52       " search - search in package descriptions\n"
  53       " show - show package details\n"
  54       "\n"
  55       " update - update list of available packages\n"
  56       "\n"
  57       " install - install packages\n"
  58       " remove  - remove packages\n"
  59       "\n"
  60       " upgrade - upgrade the system by installing/upgrading packages\n"
  61       " full-upgrade - upgrade the system by removing/installing/upgrading packages\n"
  62       "\n"
  63       " edit-sources - edit the source information file\n"
  64        );
  65
  66    return true;
  67 }
  68
  69 int main(int argc, const char *argv[])                                  /*{{{*/
  70 {
  71    CommandLine::Dispatch Cmds[] = {
  72                                    // query
  73                                    {"list",&DoList},
  74                                    {"search", &FullTextSearch},
  75                                    {"show", &APT::Cmd::ShowPackage},
  76
  77                                    // package stuff
  78                                    {"install",&DoInstall},
  79                                    {"remove", &DoInstall},
  80                                    {"purge", &DoInstall},
  81
  82                                    // system wide stuff
  83                                    {"update",&DoUpdate},
  84                                    {"upgrade",&DoUpgrade},
  85                                    {"full-upgrade",&DoDistUpgrade},
  86                                    // for compat with muscle memory
  87                                    {"dist-upgrade",&DoDistUpgrade},
  88
  89                                    // misc
  90                                    {"edit-sources",&EditSources},
  91
  92                                    // helper
  93                                    {"moo",&DoMoo},
  94                                    {"help",&ShowHelp},
  95                                    {0,0}};
  96
  97    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
  98
  99    // Init the signals
 100    InitSignals();
 101
 102    // Init the output
 103    InitOutput();
 104
 105    // Set up gettext support
 106    setlocale(LC_ALL,"");
 107    textdomain(PACKAGE);
 108
 109     if(pkgInitConfig(*_config) == false)
 110     {
 111         _error->DumpErrors();
 112         return 100;
 113     }
 114
 115     // some different defaults
 116    _config->CndSet("DPkg::Progress-Fancy", "1");
 117    _config->CndSet("Apt::Color", "1");
 118    _config->CndSet("APT::Get::Upgrade-Allow-New", true);
 119    _config->CndSet("APT::Cmd::Show-Update-Stats", true);
 120
 121    // Parse the command line and initialize the package library
 122    CommandLine CmdL(Args.data(), _config);
 123    if (CmdL.Parse(argc, argv) == false ||
 124        pkgInitSystem(*_config, _system) == false)
 125    {
 126       _error->DumpErrors();
 127       return 100;
 128    }
 129
 130    if(!isatty(STDOUT_FILENO) &&
 131       _config->FindB("Apt::Cmd::Disable-Script-Warning", false) == false)
 132    {
 133       std::cerr << std::endl
 134                 << "WARNING: " << argv[0] << " "
 135                 << "does not have a stable CLI interface yet. "
 136                 << "Use with caution in scripts."
 137                 << std::endl
 138                 << std::endl;
 139    }
 140
 141    // See if the help should be shown
 142    if (_config->FindB("help") == true ||
 143        _config->FindB("version") == true ||
 144        CmdL.FileSize() == 0)
 145    {
 146       ShowHelp(CmdL);
 147       return 0;
 148    }
 149
 150    // see if we are in simulate mode
 151    CheckSimulateMode(CmdL);
 152
 153    // parse args
 154    CmdL.DispatchArg(Cmds);
 155
 156    // Print any errors or warnings found during parsing
 157    bool const Errors = _error->PendingError();
 158    if (_config->FindI("quiet",0) > 0)
 159       _error->DumpErrors();
 160    else
 161       _error->DumpErrors(GlobalError::DEBUG);
 162    return Errors == true ? 100 : 0;
 163 }
 164                                                                         /*}}}*/