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 #include <apt-private/private-utils.h>
  58                                                                         /*}}}*/
  59
  60 // EditSource - EditSourcesList                                         /*{{{*/
  61 // ---------------------------------------------------------------------
  62 bool EditSources(CommandLine &CmdL)
  63 {
  64    // FIXME: suport CmdL.FileList to specify sources.list.d files
  65
  66    std::string sourceslist = _config->FindFile("Dir::Etc::sourcelist");
  67
  68    // FIXME: take hash before,
  69    //        when changed display message to apt update
  70    //        do syntax check after save (like visudo)
  71
  72    EditFileInSensibleEditor(sourceslist);
  73
  74    return true;
  75 }
  76                                                                         /*}}}*/
  77
  78
  79 bool ShowHelp(CommandLine &CmdL)
  80 {
  81    ioprintf(c1out,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
  82             COMMON_ARCH,__DATE__,__TIME__);
  83
  84    // FIXME: generate from CommandLine
  85    c1out <<
  86     _("Usage: apt [options] command\n"
  87       "\n"
  88       "CLI for apt.\n"
  89       "Commands: \n"
  90       " list - list packages based on package names\n"
  91       " search - search in package descriptions\n"
  92       " show - show package details\n"
  93       "\n"
  94       " update - update list of available packages\n"
  95       " install - install packages\n"
  96       " upgrade - upgrade the systems packages\n"
  97       "\n"
  98       " edit-sources - edit the source information file\n"
  99        );
 100
 101    return true;
 102 }
 103
 104 int main(int argc, const char *argv[])                                  /*{{{*/
 105 {
 106    CommandLine::Dispatch Cmds[] = {{"list",&List},
 107                                    {"search", &FullTextSearch},
 108                                    {"show", &APT::Cmd::ShowPackage},
 109                                    // needs root
 110                                    {"install",&DoInstall},
 111                                    {"remove", &DoInstall},
 112                                    {"update",&DoUpdate},
 113                                    {"upgrade",&DoUpgradeWithAllowNewPackages},
 114                                    // misc
 115                                    {"edit-sources",&EditSources},
 116                                    // helper
 117                                    {"moo",&DoMoo},
 118                                    {"help",&ShowHelp},
 119                                    {0,0}};
 120
 121    std::vector<CommandLine::Args> Args = getCommandArgs("apt", CommandLine::GetCommand(Cmds, argc, argv));
 122
 123    if(!isatty(1))
 124    {
 125       std::cerr << std::endl
 126                 << "WARNING WARNING "
 127                 << argv[0]
 128                 << " is *NOT* intended for scripts "
 129                 << "use at your own peril^Wrisk"
 130                 << std::endl
 131                 << std::endl;
 132    }
 133
 134    InitOutput();
 135
 136    // Set up gettext support
 137    setlocale(LC_ALL,"");
 138    textdomain(PACKAGE);
 139
 140     if(pkgInitConfig(*_config) == false)
 141     {
 142         _error->DumpErrors();
 143         return 100;
 144     }
 145
 146    // FIXME: move into a new libprivate/private-install.cc:Install()
 147    _config->Set("DPkgPM::Progress", "1");
 148    _config->Set("Apt::Color", "1");
 149
 150    // Parse the command line and initialize the package library
 151    CommandLine CmdL(Args.data(), _config);
 152    if (CmdL.Parse(argc, argv) == false ||
 153        pkgInitSystem(*_config, _system) == false)
 154    {
 155       _error->DumpErrors();
 156       return 100;
 157    }
 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                                                                         /*}}}*/