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
  45 #include <apti18n.h>
  46
  47 #include <apt-private/private-list.h>
  48 #include <apt-private/private-search.h>
  49 #include <apt-private/private-install.h>
  50 #include <apt-private/private-output.h>
  51 #include <apt-private/private-update.h>
  52 #include <apt-private/private-cmndline.h>
  53 #include <apt-private/private-moo.h>
  54 #include <apt-private/private-upgrade.h>
  55 #include <apt-private/private-show.h>
  56 #include <apt-private/private-main.h>
  57                                                                         /*}}}*/
  58
  59 bool ShowHelp(CommandLine &CmdL)
  60 {
  61    ioprintf(c1out,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
  62             COMMON_ARCH,__DATE__,__TIME__);
  63
  64    // FIXME: generate from CommandLine
  65    c1out <<
  66     _("Usage: apt [options] command\n"
  67       "\n"
  68       "CLI for apt.\n"
  69       "Commands: \n"
  70       " list - list packages based on package names\n"
  71       " search - search in package descriptions\n"
  72       " show - show package details\n"
  73       "\n"
  74       " update - update list of available packages\n"
  75       " install - install packages\n"
  76       " upgrade - upgrade the systems packages\n"
  77        );
  78
  79    return true;
  80 }
  81
  82 int main(int argc, const char *argv[])                                  /*{{{*/
  83 {
  84    CommandLine::Dispatch Cmds[] = {{"list",&List},
  85                                    {"search", &FullTextSearch},
  86                                    {"show", &APT::Cmd::ShowPackage},
  87                                    // needs root
  88                                    {"install",&DoInstall},
  89                                    {"remove", &DoInstall},
  90                                    {"update",&DoUpdate},
  91                                    {"upgrade",&DoUpgradeWithAllowNewPackages},
  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    if(!isatty(1))
 100    {
 101       std::cerr << std::endl
 102                 << "WARNING WARNING "
 103                 << argv[0]
 104                 << " is *NOT* intended for scripts "
 105                 << "use at your own peril^Wrisk"
 106                 << std::endl
 107                 << std::endl;
 108    }
 109
 110    InitOutput();
 111
 112    // Set up gettext support
 113    setlocale(LC_ALL,"");
 114    textdomain(PACKAGE);
 115
 116     if(pkgInitConfig(*_config) == false)
 117     {
 118         _error->DumpErrors();
 119         return 100;
 120     }
 121
 122    // FIXME: move into a new libprivate/private-install.cc:Install()
 123    _config->Set("DPkgPM::Progress", "1");
 124    _config->Set("Apt::Color", "1");
 125
 126    // Parse the command line and initialize the package library
 127    CommandLine CmdL(Args.data(), _config);
 128    if (CmdL.Parse(argc, argv) == false ||
 129        pkgInitSystem(*_config, _system) == false)
 130    {
 131       _error->DumpErrors();
 132       return 100;
 133    }
 134
 135    // See if the help should be shown
 136    if (_config->FindB("help") == true ||
 137        _config->FindB("version") == true ||
 138        CmdL.FileSize() == 0)
 139    {
 140       ShowHelp(CmdL);
 141       return 0;
 142    }
 143
 144    // see if we are in simulate mode
 145    CheckSimulateMode(CmdL);
 146
 147    // parse args
 148    CmdL.DispatchArg(Cmds);
 149
 150    // Print any errors or warnings found during parsing
 151    bool const Errors = _error->PendingError();
 152    if (_config->FindI("quiet",0) > 0)
 153       _error->DumpErrors();
 154    else
 155       _error->DumpErrors(GlobalError::DEBUG);
 156    return Errors == true ? 100 : 0;
 157 }
 158                                                                         /*}}}*/