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 <cassert>
  15 #include <locale.h>
  16 #include <iostream>
  17 #include <unistd.h>
  18 #include <errno.h>
  19 #include <regex.h>
  20 #include <stdio.h>
  21 #include <iomanip>
  22 #include <algorithm>
  23
  24
  25 #include <apt-pkg/error.h>
  26 #include <apt-pkg/cachefile.h>
  27 #include <apt-pkg/cacheset.h>
  28 #include <apt-pkg/init.h>
  29 #include <apt-pkg/progress.h>
  30 #include <apt-pkg/sourcelist.h>
  31 #include <apt-pkg/cmndline.h>
  32 #include <apt-pkg/strutl.h>
  33 #include <apt-pkg/fileutl.h>
  34 #include <apt-pkg/pkgrecords.h>
  35 #include <apt-pkg/srcrecords.h>
  36 #include <apt-pkg/version.h>
  37 #include <apt-pkg/policy.h>
  38 #include <apt-pkg/tagfile.h>
  39 #include <apt-pkg/algorithms.h>
  40 #include <apt-pkg/sptr.h>
  41 #include <apt-pkg/pkgsystem.h>
  42 #include <apt-pkg/indexfile.h>
  43 #include <apt-pkg/metaindex.h>
  44 #include <apt-pkg/hashes.h>
  45
  46 #include <apti18n.h>
  47
  48 #include <apt-private/private-list.h>
  49 #include <apt-private/private-search.h>
  50 #include <apt-private/private-install.h>
  51 #include <apt-private/private-output.h>
  52 #include <apt-private/private-update.h>
  53 #include <apt-private/private-cmndline.h>
  54 #include <apt-private/private-moo.h>
  55 #include <apt-private/private-upgrade.h>
  56 #include <apt-private/private-show.h>
  57 #include <apt-private/private-main.h>
  58 #include <apt-private/private-utils.h>
  59 #include <apt-private/private-sources.h>
  60                                                                         /*}}}*/
  61
  62
  63
  64 bool ShowHelp(CommandLine &CmdL)
  65 {
  66    ioprintf(c1out,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
  67             COMMON_ARCH,__DATE__,__TIME__);
  68
  69    // FIXME: generate from CommandLine
  70    c1out <<
  71     _("Usage: apt [options] command\n"
  72       "\n"
  73       "CLI for apt.\n"
  74       "Commands: \n"
  75       " list - list packages based on package names\n"
  76       " search - search in package descriptions\n"
  77       " show - show package details\n"
  78       "\n"
  79       " update - update list of available packages\n"
  80       " install - install packages\n"
  81       " upgrade - upgrade the systems packages\n"
  82       "\n"
  83       " edit-sources - edit the source information file\n"
  84        );
  85
  86    return true;
  87 }
  88
  89 // figure out what kind of upgrade the user wants
  90 bool DoAptUpgrade(CommandLine &CmdL)
  91 {
  92    if (_config->FindB("Apt::Cmd::Dist-Upgrade"))
  93       return DoDistUpgrade(CmdL);
  94    else
  95       return DoUpgradeWithAllowNewPackages(CmdL);
  96 }
  97
  98 int main(int argc, const char *argv[])                                  /*{{{*/
  99 {
 100    CommandLine::Dispatch Cmds[] = {{"list",&List},
 101                                    {"search", &FullTextSearch},
 102                                    {"show", &APT::Cmd::ShowPackage},
 103                                    // needs root
 104                                    {"install",&DoInstall},
 105                                    {"remove", &DoInstall},
 106                                    {"update",&DoUpdate},
 107                                    {"upgrade",&DoAptUpgrade},
 108                                    // misc
 109                                    {"edit-sources",&EditSources},
 110                                    // helper
 111                                    {"moo",&DoMoo},
 112                                    {"help",&ShowHelp},
 113                                    {0,0}};
 114
 115    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
 116
 117    if(!isatty(1))
 118    {
 119       std::cerr << std::endl
 120                 << "WARNING: " << argv[0] << " "
 121                 << "does not have a stable CLI interface yet. "
 122                 << "Use with caution in scripts."
 123                 << std::endl
 124                 << std::endl;
 125    }
 126
 127    InitOutput();
 128
 129    // Set up gettext support
 130    setlocale(LC_ALL,"");
 131    textdomain(PACKAGE);
 132
 133     if(pkgInitConfig(*_config) == false)
 134     {
 135         _error->DumpErrors();
 136         return 100;
 137     }
 138
 139    // FIXME: move into a new libprivate/private-install.cc:Install()
 140    _config->Set("DPkgPM::Progress", "1");
 141    _config->Set("Apt::Color", "1");
 142
 143    // Parse the command line and initialize the package library
 144    CommandLine CmdL(Args.data(), _config);
 145    if (CmdL.Parse(argc, argv) == false ||
 146        pkgInitSystem(*_config, _system) == false)
 147    {
 148       _error->DumpErrors();
 149       return 100;
 150    }
 151
 152    // See if the help should be shown
 153    if (_config->FindB("help") == true ||
 154        _config->FindB("version") == true ||
 155        CmdL.FileSize() == 0)
 156    {
 157       ShowHelp(CmdL);
 158       return 0;
 159    }
 160
 161    // see if we are in simulate mode
 162    CheckSimulateMode(CmdL);
 163
 164    // parse args
 165    CmdL.DispatchArg(Cmds);
 166
 167    // Print any errors or warnings found during parsing
 168    bool const Errors = _error->PendingError();
 169    if (_config->FindI("quiet",0) > 0)
 170       _error->DumpErrors();
 171    else
 172       _error->DumpErrors(GlobalError::DEBUG);
 173    return Errors == true ? 100 : 0;
 174 }
 175                                                                         /*}}}*/