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 &, CommandLine::DispatchWithHelp const * Cmds)
  41 {
  42    ioprintf(c1out, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
  43
  44    // FIXME: generate from CommandLine
  45    c1out <<
  46     _("Usage: apt [options] command\n"
  47       "\n"
  48       "CLI for apt.\n")
  49     << std::endl
  50     << _("Commands:") << std::endl;
  51    for (; Cmds->Handler != nullptr; ++Cmds)
  52    {
  53       if (Cmds->Help == nullptr)
  54          continue;
  55       std::cout << "  " << Cmds->Match << " - " << Cmds->Help << std::endl;
  56    }
  57
  58    return true;
  59 }
  60
  61 int main(int argc, const char *argv[])                                  /*{{{*/
  62 {
  63    CommandLine::DispatchWithHelp Cmds[] = {
  64       // query
  65       {"list", &DoList, _("list packages based on package names")},
  66       {"search", &DoSearch, _("search in package descriptions")},
  67       {"show", &ShowPackage, _("show package details")},
  68
  69       // package stuff
  70       {"install", &DoInstall, _("install packages")},
  71       {"remove", &DoInstall, _("remove packages")},
  72       {"autoremove", &DoInstall, _("Remove automatically all unused packages")},
  73       {"auto-remove", &DoInstall, nullptr},
  74       {"purge", &DoInstall, nullptr},
  75
  76       // system wide stuff
  77       {"update", &DoUpdate, _("update list of available packages")},
  78       {"upgrade", &DoUpgrade, _("upgrade the system by installing/upgrading packages")},
  79       {"full-upgrade", &DoDistUpgrade, _("upgrade the system by removing/installing/upgrading packages")},
  80       {"dist-upgrade", &DoDistUpgrade, nullptr}, // for compat with muscle memory
  81
  82       // misc
  83       {"edit-sources", &EditSources, _("edit the source information file")},
  84       {"moo", &DoMoo, nullptr},
  85       {nullptr, nullptr, nullptr}
  86    };
  87
  88    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
  89
  90    // Init the signals
  91    InitSignals();
  92
  93    // Init the output
  94    InitOutput();
  95
  96    // Set up gettext support
  97    setlocale(LC_ALL,"");
  98    textdomain(PACKAGE);
  99
 100     if(pkgInitConfig(*_config) == false)
 101     {
 102         _error->DumpErrors();
 103         return 100;
 104     }
 105
 106    // Parse the command line and initialize the package library
 107    CommandLine CmdL;
 108    ParseCommandLine(CmdL, Cmds, Args.data(), NULL, &_system, argc, argv, ShowHelp);
 109
 110    if(!isatty(STDOUT_FILENO) &&
 111       _config->FindB("Apt::Cmd::Disable-Script-Warning", false) == false)
 112    {
 113       std::cerr << std::endl
 114                 << "WARNING: " << argv[0] << " "
 115                 << "does not have a stable CLI interface yet. "
 116                 << "Use with caution in scripts."
 117                 << std::endl
 118                 << std::endl;
 119    }
 120
 121    // see if we are in simulate mode
 122    CheckSimulateMode(CmdL);
 123
 124    // parse args
 125    CmdL.DispatchArg(Cmds);
 126
 127    // Print any errors or warnings found during parsing
 128    bool const Errors = _error->PendingError();
 129    if (_config->FindI("quiet",0) > 0)
 130       _error->DumpErrors();
 131    else
 132       _error->DumpErrors(GlobalError::DEBUG);
 133    return Errors == true ? 100 : 0;
 134 }
 135                                                                         /*}}}*/