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       "Basic 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       "\n"
  81       " install - install packages\n"
  82       " remove  - remove packages\n"
  83       "\n"
  84       " upgrade - upgrade the systems packages\n"
  85       "\n"
  86       " edit-sources - edit the source information file\n"
  87        );
  88
  89    return true;
  90 }
  91
  92 // figure out what kind of upgrade the user wants
  93 bool DoAptUpgrade(CommandLine &CmdL)
  94 {
  95    if (_config->FindB("Apt::Cmd::Dist-Upgrade"))
  96       return DoDistUpgrade(CmdL);
  97    else
  98       return DoUpgradeWithAllowNewPackages(CmdL);
  99 }
 100
 101 int main(int argc, const char *argv[])                                  /*{{{*/
 102 {
 103    CommandLine::Dispatch Cmds[] = {{"list",&List},
 104                                    {"search", &FullTextSearch},
 105                                    {"show", &APT::Cmd::ShowPackage},
 106                                    // needs root
 107                                    {"install",&DoInstall},
 108                                    {"remove", &DoInstall},
 109                                    {"purge", &DoInstall},
 110                                    {"update",&DoUpdate},
 111                                    {"upgrade",&DoAptUpgrade},
 112                                    // misc
 113                                    {"edit-sources",&EditSources},
 114                                    // helper
 115                                    {"moo",&DoMoo},
 116                                    {"help",&ShowHelp},
 117                                    {0,0}};
 118
 119    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
 120
 121    InitOutput();
 122
 123    // Set up gettext support
 124    setlocale(LC_ALL,"");
 125    textdomain(PACKAGE);
 126
 127     if(pkgInitConfig(*_config) == false)
 128     {
 129         _error->DumpErrors();
 130         return 100;
 131     }
 132
 133    // FIXME: move into a new libprivate/private-install.cc:Install()
 134    _config->Set("DPkgPM::Progress", "1");
 135    _config->Set("Apt::Color", "1");
 136
 137    // Parse the command line and initialize the package library
 138    CommandLine CmdL(Args.data(), _config);
 139    if (CmdL.Parse(argc, argv) == false ||
 140        pkgInitSystem(*_config, _system) == false)
 141    {
 142       _error->DumpErrors();
 143       return 100;
 144    }
 145
 146    if(!isatty(STDOUT_FILENO) &&
 147       _config->FindB("Apt::Cmd::Disable-Script-Warning", false) == false)
 148    {
 149       std::cerr << std::endl
 150                 << "WARNING: " << argv[0] << " "
 151                 << "does not have a stable CLI interface yet. "
 152                 << "Use with caution in scripts."
 153                 << std::endl
 154                 << std::endl;
 155    }
 156    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
 157       _config->Set("quiet","1");
 158
 159    // See if the help should be shown
 160    if (_config->FindB("help") == true ||
 161        _config->FindB("version") == true ||
 162        CmdL.FileSize() == 0)
 163    {
 164       ShowHelp(CmdL);
 165       return 0;
 166    }
 167
 168    // see if we are in simulate mode
 169    CheckSimulateMode(CmdL);
 170
 171    // parse args
 172    CmdL.DispatchArg(Cmds);
 173
 174    // Print any errors or warnings found during parsing
 175    bool const Errors = _error->PendingError();
 176    if (_config->FindI("quiet",0) > 0)
 177       _error->DumpErrors();
 178    else
 179       _error->DumpErrors(GlobalError::DEBUG);
 180    return Errors == true ? 100 : 0;
 181 }
 182                                                                         /*}}}*/