apt-private/private-cmndline.cc

   1 // Include Files                                                        /*{{{*/
   2 #include <config.h>
   3
   4 #include <apt-pkg/cmndline.h>
   5 #include <apt-pkg/configuration.h>
   6 #include <apt-pkg/fileutl.h>
   7 #include <apt-pkg/pkgsystem.h>
   8 #include <apt-pkg/init.h>
   9 #include <apt-pkg/error.h>
  10 #include <apt-pkg/strutl.h>
  11
  12 #include <apt-private/private-cmndline.h>
  13 #include <apt-private/private-main.h>
  14
  15 #include <stdarg.h>
  16 #include <string.h>
  17 #include <stdlib.h>
  18
  19 #include <vector>
  20 #include <iomanip>
  21
  22 #include <apti18n.h>
  23                                                                         /*}}}*/
  24
  25 APT_SENTINEL static bool strcmp_match_in_list(char const * const Cmd, ...)              /*{{{*/
  26 {
  27    if (Cmd == nullptr)
  28       return false;
  29    va_list args;
  30    bool found = false;
  31    va_start(args, Cmd);
  32    char const * Match = NULL;
  33    while ((Match = va_arg(args, char const *)) != NULL)
  34    {
  35       if (strcmp(Cmd, Match) != 0)
  36          continue;
  37       found = true;
  38       break;
  39    }
  40    va_end(args);
  41    return found;
  42 }
  43                                                                         /*}}}*/
  44 #define addArg(w,x,y,z) Args.push_back(CommandLine::MakeArgs(w,x,y,z))
  45 #define CmdMatches(...) strcmp_match_in_list(Cmd, __VA_ARGS__, NULL)
  46 static bool addArgumentsAPTCache(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
  47 {
  48    if (CmdMatches("depends", "rdepends", "xvcg", "dotty"))
  49    {
  50       addArg('i', "important", "APT::Cache::Important", 0);
  51       addArg(0, "installed", "APT::Cache::Installed", 0);
  52       addArg(0, "pre-depends", "APT::Cache::ShowPre-Depends", 0);
  53       addArg(0, "depends", "APT::Cache::ShowDepends", 0);
  54       addArg(0, "recommends", "APT::Cache::ShowRecommends", 0);
  55       addArg(0, "suggests", "APT::Cache::ShowSuggests", 0);
  56       addArg(0, "replaces", "APT::Cache::ShowReplaces", 0);
  57       addArg(0, "breaks", "APT::Cache::ShowBreaks", 0);
  58       addArg(0, "conflicts", "APT::Cache::ShowConflicts", 0);
  59       addArg(0, "enhances", "APT::Cache::ShowEnhances", 0);
  60       addArg(0, "recurse", "APT::Cache::RecurseDepends", 0);
  61       addArg(0, "implicit", "APT::Cache::ShowImplicit", 0);
  62    }
  63    else if (CmdMatches("search"))
  64    {
  65       addArg('n', "names-only", "APT::Cache::NamesOnly", 0);
  66       addArg('f', "full", "APT::Cache::ShowFull", 0);
  67    }
  68    else if (CmdMatches("show"))
  69    {
  70       addArg('a', "all-versions", "APT::Cache::AllVersions", 0);
  71    }
  72    else if (CmdMatches("pkgnames"))
  73    {
  74       addArg(0, "all-names", "APT::Cache::AllNames", 0);
  75    }
  76    else if (CmdMatches("unmet"))
  77    {
  78       addArg('i', "important", "APT::Cache::Important", 0);
  79    }
  80    else if (CmdMatches("showsrc"))
  81    {
  82       addArg(0,"only-source","APT::Cache::Only-Source",0);
  83    }
  84    else if (CmdMatches("gencaches", "showpkg", "stats", "dump",
  85             "dumpavail", "showauto", "policy", "madison"))
  86       ;
  87    else
  88       return false;
  89
  90    bool const found_something = Args.empty() == false;
  91
  92    // FIXME: move to the correct command(s)
  93    addArg('g', "generate", "APT::Cache::Generate", 0);
  94    addArg('t', "target-release", "APT::Default-Release", CommandLine::HasArg);
  95    addArg('t', "default-release", "APT::Default-Release", CommandLine::HasArg);
  96
  97    addArg('p', "pkg-cache", "Dir::Cache::pkgcache", CommandLine::HasArg);
  98    addArg('s', "src-cache", "Dir::Cache::srcpkgcache", CommandLine::HasArg);
  99    addArg(0, "with-source", "APT::Sources::With::", CommandLine::HasArg);
 100
 101    return found_something;
 102 }
 103                                                                         /*}}}*/
 104 static bool addArgumentsAPTCDROM(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 105 {
 106    if (CmdMatches("add", "ident") == false)
 107       return false;
 108
 109    // FIXME: move to the correct command(s)
 110    addArg(0, "auto-detect", "Acquire::cdrom::AutoDetect", CommandLine::Boolean);
 111    addArg('d', "cdrom", "Acquire::cdrom::mount", CommandLine::HasArg);
 112    addArg('r', "rename", "APT::CDROM::Rename", 0);
 113    addArg('m', "no-mount", "APT::CDROM::NoMount", 0);
 114    addArg('f', "fast", "APT::CDROM::Fast", 0);
 115    addArg('n', "just-print", "APT::CDROM::NoAct", 0);
 116    addArg('n', "recon", "APT::CDROM::NoAct", 0);
 117    addArg('n', "no-act", "APT::CDROM::NoAct", 0);
 118    addArg('a', "thorough", "APT::CDROM::Thorough", 0);
 119    return true;
 120 }
 121                                                                         /*}}}*/
 122 static bool addArgumentsAPTConfig(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 123 {
 124    if (CmdMatches("dump"))
 125    {
 126       addArg(0,"empty","APT::Config::Dump::EmptyValue",CommandLine::Boolean);
 127       addArg(0,"format","APT::Config::Dump::Format",CommandLine::HasArg);
 128    }
 129    else if (CmdMatches("shell"))
 130       ;
 131    else
 132       return false;
 133
 134    return true;
 135 }
 136                                                                         /*}}}*/
 137 static bool addArgumentsAPTDumpSolver(std::vector<CommandLine::Args> &Args, char const * const)/*{{{*/
 138 {
 139    addArg(0,"user","APT::Solver::RunAsUser",CommandLine::HasArg);
 140    return true;
 141 }
 142                                                                         /*}}}*/
 143 static bool addArgumentsAPTExtractTemplates(std::vector<CommandLine::Args> &Args, char const * const)/*{{{*/
 144 {
 145    addArg('t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg);
 146    return true;
 147 }
 148                                                                         /*}}}*/
 149 static bool addArgumentsAPTFTPArchive(std::vector<CommandLine::Args> &Args, char const * const)/*{{{*/
 150 {
 151    addArg(0,"md5","APT::FTPArchive::MD5",0);
 152    addArg(0,"sha1","APT::FTPArchive::SHA1",0);
 153    addArg(0,"sha256","APT::FTPArchive::SHA256",0);
 154    addArg(0,"sha512","APT::FTPArchive::SHA512",0);
 155    addArg('d',"db","APT::FTPArchive::DB",CommandLine::HasArg);
 156    addArg('s',"source-override","APT::FTPArchive::SourceOverride",CommandLine::HasArg);
 157    addArg(0,"delink","APT::FTPArchive::DeLinkAct",0);
 158    addArg(0,"readonly","APT::FTPArchive::ReadOnlyDB",0);
 159    addArg(0,"contents","APT::FTPArchive::Contents",0);
 160    addArg('a',"arch","APT::FTPArchive::Architecture",CommandLine::HasArg);
 161    return true;
 162 }
 163                                                                         /*}}}*/
 164 static bool addArgumentsAPTInternalPlanner(std::vector<CommandLine::Args> &, char const * const)/*{{{*/
 165 {
 166    return true;
 167 }
 168                                                                         /*}}}*/
 169 static bool addArgumentsAPTInternalSolver(std::vector<CommandLine::Args> &, char const * const)/*{{{*/
 170 {
 171    return true;
 172 }
 173                                                                         /*}}}*/
 174 static bool addArgumentsAPTHelper(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 175 {
 176    if (CmdMatches("cat-file"))
 177    {
 178       addArg('C', "compress", "Apt-Helper::Cat-File::Compress",CommandLine::HasArg);
 179    }
 180    return true;
 181 }
 182                                                                         /*}}}*/
 183 static bool addArgumentsAPTGet(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 184 {
 185    if (CmdMatches("install", "remove", "purge", "upgrade", "dist-upgrade",
 186             "dselect-upgrade", "autoremove", "full-upgrade"))
 187    {
 188       addArg(0, "show-progress", "DpkgPM::Progress", 0);
 189       addArg('f', "fix-broken", "APT::Get::Fix-Broken", 0);
 190       addArg(0, "purge", "APT::Get::Purge", 0);
 191       addArg('V',"verbose-versions","APT::Get::Show-Versions",0);
 192       addArg(0, "autoremove", "APT::Get::AutomaticRemove", 0);
 193       addArg(0, "auto-remove", "APT::Get::AutomaticRemove", 0);
 194       addArg(0, "reinstall", "APT::Get::ReInstall", 0);
 195       addArg(0, "solver", "APT::Solver", CommandLine::HasArg);
 196       addArg(0, "planner", "APT::Planner", CommandLine::HasArg);
 197       if (CmdMatches("upgrade"))
 198       {
 199          addArg(0, "new-pkgs", "APT::Get::Upgrade-Allow-New",
 200                 CommandLine::Boolean);
 201       }
 202    }
 203    else if (CmdMatches("update"))
 204    {
 205       addArg(0, "list-cleanup", "APT::Get::List-Cleanup", 0);
 206    }
 207    else if (CmdMatches("source"))
 208    {
 209       addArg('b', "compile", "APT::Get::Compile", 0);
 210       addArg('b', "build", "APT::Get::Compile", 0);
 211       addArg('P', "build-profiles", "APT::Build-Profiles", CommandLine::HasArg);
 212       addArg(0, "diff-only", "APT::Get::Diff-Only", 0);
 213       addArg(0, "debian-only", "APT::Get::Diff-Only", 0);
 214       addArg(0, "tar-only", "APT::Get::Tar-Only", 0);
 215       addArg(0, "dsc-only", "APT::Get::Dsc-Only", 0);
 216    }
 217    else if (CmdMatches("build-dep"))
 218    {
 219       addArg('a', "host-architecture", "APT::Get::Host-Architecture", CommandLine::HasArg);
 220       addArg('P', "build-profiles", "APT::Build-Profiles", CommandLine::HasArg);
 221       addArg(0, "purge", "APT::Get::Purge", 0);
 222       addArg(0, "solver", "APT::Solver", CommandLine::HasArg);
 223       // this has no effect *but* sbuild is using it (see LP: #1255806)
 224       // once sbuild is fixed, this option can be removed
 225       addArg('f', "fix-broken", "APT::Get::Fix-Broken", 0);
 226    }
 227    else if (CmdMatches("indextargets"))
 228    {
 229       addArg(0,"format","APT::Get::IndexTargets::Format", CommandLine::HasArg);
 230       addArg(0,"release-info","APT::Get::IndexTargets::ReleaseInfo", 0);
 231    }
 232    else if (CmdMatches("clean", "autoclean", "auto-clean", "check", "download", "changelog") ||
 233             CmdMatches("markauto", "unmarkauto")) // deprecated commands
 234       ;
 235    else if (CmdMatches("moo"))
 236       addArg(0, "color", "APT::Moo::Color", 0);
 237
 238    if (CmdMatches("install", "remove", "purge", "upgrade", "dist-upgrade",
 239             "dselect-upgrade", "autoremove", "auto-remove", "clean", "autoclean", "auto-clean", "check",
 240             "build-dep", "full-upgrade", "source"))
 241    {
 242       addArg('s', "simulate", "APT::Get::Simulate", 0);
 243       addArg('s', "just-print", "APT::Get::Simulate", 0);
 244       addArg('s', "recon", "APT::Get::Simulate", 0);
 245       addArg('s', "dry-run", "APT::Get::Simulate", 0);
 246       addArg('s', "no-act", "APT::Get::Simulate", 0);
 247    }
 248
 249    bool const found_something = Args.empty() == false;
 250
 251    // FIXME: move to the correct command(s)
 252    addArg('d',"download-only","APT::Get::Download-Only",0);
 253    addArg('y',"yes","APT::Get::Assume-Yes",0);
 254    addArg('y',"assume-yes","APT::Get::Assume-Yes",0);
 255    addArg(0,"assume-no","APT::Get::Assume-No",0);
 256    addArg('u',"show-upgraded","APT::Get::Show-Upgraded",0);
 257    addArg('m',"ignore-missing","APT::Get::Fix-Missing",0);
 258    addArg('t',"target-release","APT::Default-Release",CommandLine::HasArg);
 259    addArg('t',"default-release","APT::Default-Release",CommandLine::HasArg);
 260    addArg(0,"download","APT::Get::Download",0);
 261    addArg(0,"fix-missing","APT::Get::Fix-Missing",0);
 262    addArg(0,"ignore-hold","APT::Ignore-Hold",0);
 263    addArg(0,"upgrade","APT::Get::upgrade",0);
 264    addArg(0,"only-upgrade","APT::Get::Only-Upgrade",0);
 265    addArg(0,"allow-change-held-packages","APT::Get::allow-change-held-packages",CommandLine::Boolean);
 266    addArg(0,"allow-remove-essential","APT::Get::allow-remove-essential",CommandLine::Boolean);
 267    addArg(0,"allow-downgrades","APT::Get::allow-downgrades",CommandLine::Boolean);
 268    addArg(0,"force-yes","APT::Get::force-yes",0);
 269    addArg(0,"print-uris","APT::Get::Print-URIs",0);
 270    addArg(0,"trivial-only","APT::Get::Trivial-Only",0);
 271    addArg(0,"remove","APT::Get::Remove",0);
 272    addArg(0,"only-source","APT::Get::Only-Source",0);
 273    addArg(0,"arch-only","APT::Get::Arch-Only",0);
 274    addArg(0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0);
 275    addArg(0,"allow-insecure-repositories","Acquire::AllowInsecureRepositories",0);
 276    addArg(0,"allow-weak-repositories","Acquire::AllowWeakRepositories",0);
 277    addArg(0,"install-recommends","APT::Install-Recommends",CommandLine::Boolean);
 278    addArg(0,"install-suggests","APT::Install-Suggests",CommandLine::Boolean);
 279    addArg(0,"fix-policy","APT::Get::Fix-Policy-Broken",0);
 280    addArg(0, "with-source", "APT::Sources::With::", CommandLine::HasArg);
 281
 282    return found_something;
 283 }
 284                                                                         /*}}}*/
 285 static bool addArgumentsAPTMark(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 286 {
 287    if (CmdMatches("auto", "manual", "hold", "unhold", "showauto",
 288             "showmanual", "showhold", "showholds",
 289             "markauto", "unmarkauto"))
 290    {
 291       addArg('f',"file","Dir::State::extended_states",CommandLine::HasArg);
 292    }
 293    else if (CmdMatches("install", "remove", "deinstall", "purge",
 294             "showinstall", "showinstalls", "showremove", "showremoves",
 295             "showdeinstall", "showdeinstalls", "showpurge", "showpurges"))
 296       ;
 297    else
 298       return false;
 299
 300    if (CmdMatches("markauto", "unmarkauto"))
 301    {
 302       addArg('v',"verbose","APT::MarkAuto::Verbose",0);
 303    }
 304
 305    if (strncmp(Cmd, "show", strlen("show")) != 0)
 306    {
 307       addArg('s',"simulate","APT::Mark::Simulate",0);
 308       addArg('s',"just-print","APT::Mark::Simulate",0);
 309       addArg('s',"recon","APT::Mark::Simulate",0);
 310       addArg('s',"dry-run","APT::Mark::Simulate",0);
 311       addArg('s',"no-act","APT::Mark::Simulate",0);
 312    }
 313    addArg(0, "with-source", "APT::Sources::With::", CommandLine::HasArg);
 314
 315    return true;
 316 }
 317                                                                         /*}}}*/
 318 static bool addArgumentsAPTSortPkgs(std::vector<CommandLine::Args> &Args, char const * const)/*{{{*/
 319 {
 320    addArg('s',"source","APT::SortPkgs::Source",0);
 321    return true;
 322 }
 323                                                                         /*}}}*/
 324 static bool addArgumentsAPT(std::vector<CommandLine::Args> &Args, char const * const Cmd)/*{{{*/
 325 {
 326    if (CmdMatches("list"))
 327    {
 328       addArg('i',"installed","APT::Cmd::Installed",0);
 329       addArg(0,"upgradeable","APT::Cmd::Upgradable",0);
 330       addArg('u',"upgradable","APT::Cmd::Upgradable",0);
 331       addArg(0,"manual-installed","APT::Cmd::Manual-Installed",0);
 332       addArg('v', "verbose", "APT::Cmd::List-Include-Summary", 0);
 333       addArg('a', "all-versions", "APT::Cmd::All-Versions", 0);
 334    }
 335    else if (CmdMatches("show"))
 336    {
 337       addArg('a', "all-versions", "APT::Cache::AllVersions", 0);
 338    }
 339    else if (addArgumentsAPTGet(Args, Cmd) || addArgumentsAPTCache(Args, Cmd))
 340    {
 341        // we have no (supported) command-name overlaps so far, so we call
 342        // specifics in order until we find one which adds arguments
 343    }
 344    else
 345       return false;
 346
 347    addArg(0, "with-source", "APT::Sources::With::", CommandLine::HasArg);
 348
 349    return true;
 350 }
 351                                                                         /*}}}*/
 352 std::vector<CommandLine::Args> getCommandArgs(APT_CMD const Program, char const * const Cmd)/*{{{*/
 353 {
 354    std::vector<CommandLine::Args> Args;
 355    Args.reserve(50);
 356    if (Cmd != nullptr && strcmp(Cmd, "help") == 0)
 357       ; // no options for help so no need to implement it in each
 358    else
 359       switch (Program)
 360       {
 361          case APT_CMD::APT: addArgumentsAPT(Args, Cmd); break;
 362          case APT_CMD::APT_GET: addArgumentsAPTGet(Args, Cmd); break;
 363          case APT_CMD::APT_CACHE: addArgumentsAPTCache(Args, Cmd); break;
 364          case APT_CMD::APT_CDROM: addArgumentsAPTCDROM(Args, Cmd); break;
 365          case APT_CMD::APT_CONFIG: addArgumentsAPTConfig(Args, Cmd); break;
 366          case APT_CMD::APT_DUMP_SOLVER: addArgumentsAPTDumpSolver(Args, Cmd); break;
 367          case APT_CMD::APT_EXTRACTTEMPLATES: addArgumentsAPTExtractTemplates(Args, Cmd); break;
 368          case APT_CMD::APT_FTPARCHIVE: addArgumentsAPTFTPArchive(Args, Cmd); break;
 369          case APT_CMD::APT_HELPER: addArgumentsAPTHelper(Args, Cmd); break;
 370          case APT_CMD::APT_INTERNAL_PLANNER: addArgumentsAPTInternalPlanner(Args, Cmd); break;
 371          case APT_CMD::APT_INTERNAL_SOLVER: addArgumentsAPTInternalSolver(Args, Cmd); break;
 372          case APT_CMD::APT_MARK: addArgumentsAPTMark(Args, Cmd); break;
 373          case APT_CMD::APT_SORTPKG: addArgumentsAPTSortPkgs(Args, Cmd); break;
 374       }
 375
 376    // options without a command
 377    addArg('h', "help", "help", 0);
 378    addArg('v', "version", "version", 0);
 379    // general options
 380    addArg('q', "quiet", "quiet", CommandLine::IntLevel);
 381    addArg('q', "silent", "quiet", CommandLine::IntLevel);
 382    addArg('c', "config-file", 0, CommandLine::ConfigFile);
 383    addArg('o', "option", 0, CommandLine::ArbItem);
 384    addArg(0, NULL, NULL, 0);
 385
 386    return Args;
 387 }
 388                                                                         /*}}}*/
 389 #undef addArg
 390 static void ShowHelpListCommands(std::vector<aptDispatchWithHelp> const &Cmds)/*{{{*/
 391 {
 392    if (Cmds.empty() || Cmds[0].Match == nullptr)
 393       return;
 394    std::cout << std::endl << _("Most used commands:") << std::endl;
 395    for (auto const &c: Cmds)
 396    {
 397       if (c.Help == nullptr)
 398          continue;
 399       std::cout << "  " << c.Match << " - " << c.Help << std::endl;
 400    }
 401 }
 402                                                                         /*}}}*/
 403 static bool ShowCommonHelp(APT_CMD const Binary, CommandLine &CmdL, std::vector<aptDispatchWithHelp> const &Cmds,/*{{{*/
 404       bool (*ShowHelp)(CommandLine &))
 405 {
 406    std::cout << PACKAGE << " " << PACKAGE_VERSION << " (" << COMMON_ARCH << ")" << std::endl;
 407    if (_config->FindB("version") == true && Binary != APT_CMD::APT_GET)
 408       return true;
 409    if (ShowHelp(CmdL) == false)
 410       return false;
 411    if (_config->FindB("version") == true || Binary == APT_CMD::APT_FTPARCHIVE)
 412       return true;
 413    ShowHelpListCommands(Cmds);
 414    std::cout << std::endl;
 415    char const * cmd = nullptr;
 416    switch (Binary)
 417    {
 418       case APT_CMD::APT: cmd = "apt(8)"; break;
 419       case APT_CMD::APT_CACHE: cmd = "apt-cache(8)"; break;
 420       case APT_CMD::APT_CDROM: cmd = "apt-cdrom(8)"; break;
 421       case APT_CMD::APT_CONFIG: cmd = "apt-config(8)"; break;
 422       case APT_CMD::APT_DUMP_SOLVER: cmd = nullptr; break;
 423       case APT_CMD::APT_EXTRACTTEMPLATES: cmd = "apt-extracttemplates(1)"; break;
 424       case APT_CMD::APT_FTPARCHIVE: cmd = "apt-ftparchive(1)"; break;
 425       case APT_CMD::APT_GET: cmd = "apt-get(8)"; break;
 426       case APT_CMD::APT_HELPER: cmd = nullptr; break;
 427       case APT_CMD::APT_INTERNAL_PLANNER: cmd = nullptr; break;
 428       case APT_CMD::APT_INTERNAL_SOLVER: cmd = nullptr; break;
 429       case APT_CMD::APT_MARK: cmd = "apt-mark(8)"; break;
 430       case APT_CMD::APT_SORTPKG: cmd = "apt-sortpkgs(1)"; break;
 431    }
 432    if (cmd != nullptr)
 433       ioprintf(std::cout, _("See %s for more information about the available commands."), cmd);
 434    if (Binary != APT_CMD::APT_DUMP_SOLVER && Binary != APT_CMD::APT_INTERNAL_SOLVER &&
 435          Binary != APT_CMD::APT_INTERNAL_PLANNER)
 436       std::cout << std::endl <<
 437          _("Configuration options and syntax is detailed in apt.conf(5).\n"
 438                "Information about how to configure sources can be found in sources.list(5).\n"
 439                "Package and version choices can be expressed via apt_preferences(5).\n"
 440                "Security details are available in apt-secure(8).\n");
 441    if (Binary == APT_CMD::APT_GET || Binary == APT_CMD::APT)
 442       std::cout << std::right << std::setw(70) << _("This APT has Super Cow Powers.") << std::endl;
 443    else if (Binary == APT_CMD::APT_HELPER || Binary == APT_CMD::APT_DUMP_SOLVER)
 444       std::cout << std::right << std::setw(70) << _("This APT helper has Super Meep Powers.") << std::endl;
 445    return true;
 446 }
 447                                                                         /*}}}*/
 448 static void BinarySpecificConfiguration(char const * const Binary)      /*{{{*/
 449 {
 450    std::string const binary = flNotDir(Binary);
 451    if (binary == "apt" || binary == "apt-config")
 452    {
 453       _config->CndSet("Binary::apt::APT::Color", true);
 454       _config->CndSet("Binary::apt::APT::Cache::Show::Version", 2);
 455       _config->CndSet("Binary::apt::APT::Cache::AllVersions", false);
 456       _config->CndSet("Binary::apt::APT::Cache::ShowVirtuals", true);
 457       _config->CndSet("Binary::apt::APT::Cache::Search::Version", 2);
 458       _config->CndSet("Binary::apt::APT::Cache::ShowDependencyType", true);
 459       _config->CndSet("Binary::apt::APT::Cache::ShowVersion", true);
 460       _config->CndSet("Binary::apt::APT::Get::Upgrade-Allow-New", true);
 461       _config->CndSet("Binary::apt::APT::Cmd::Show-Update-Stats", true);
 462       _config->CndSet("Binary::apt::DPkg::Progress-Fancy", true);
 463       _config->CndSet("Binary::apt::APT::Keep-Downloaded-Packages", false);
 464    }
 465    if (binary == "apt-config")
 466       _config->CndSet("Binary::apt-get::Acquire::AllowInsecureRepositories", true);
 467
 468    _config->Set("Binary", binary);
 469 }
 470                                                                         /*}}}*/
 471 static void BinaryCommandSpecificConfiguration(char const * const Binary, char const * const Cmd)/*{{{*/
 472 {
 473    std::string const binary = flNotDir(Binary);
 474    if (binary == "apt-get" && CmdMatches("update"))
 475       _config->CndSet("Binary::apt-get::Acquire::AllowInsecureRepositories", true);
 476 }
 477 #undef CmdMatches
 478                                                                         /*}}}*/
 479 std::vector<CommandLine::Dispatch> ParseCommandLine(CommandLine &CmdL, APT_CMD const Binary,/*{{{*/
 480       Configuration * const * const Cnf, pkgSystem ** const Sys, int const argc, const char *argv[],
 481       bool (*ShowHelp)(CommandLine &), std::vector<aptDispatchWithHelp> (*GetCommands)(void))
 482 {
 483    InitLocale(Binary);
 484    if (Cnf != NULL && pkgInitConfig(**Cnf) == false)
 485    {
 486       _error->DumpErrors();
 487       exit(100);
 488    }
 489
 490    if (likely(argc != 0 && argv[0] != NULL))
 491       BinarySpecificConfiguration(argv[0]);
 492
 493    std::vector<aptDispatchWithHelp> const CmdsWithHelp = GetCommands();
 494    std::vector<CommandLine::Dispatch> Cmds;
 495    if (CmdsWithHelp.empty() == false)
 496    {
 497       CommandLine::Dispatch const help = { "help", [](CommandLine &){return false;} };
 498       Cmds.push_back(std::move(help));
 499    }
 500    for (auto const& cmd : CmdsWithHelp)
 501       Cmds.push_back({cmd.Match, cmd.Handler});
 502
 503    // Args running out of scope invalidates the pointer stored in CmdL,
 504    // but we don't use the pointer after this function, so we ignore
 505    // this problem for now and figure something out if we have to.
 506    char const * CmdCalled = nullptr;
 507    if (Cmds.empty() == false && Cmds[0].Handler != nullptr)
 508       CmdCalled = CommandLine::GetCommand(Cmds.data(), argc, argv);
 509    if (CmdCalled != nullptr)
 510       BinaryCommandSpecificConfiguration(argv[0], CmdCalled);
 511    std::string const conf = "Binary::" + _config->Find("Binary");
 512    _config->MoveSubTree(conf.c_str(), nullptr);
 513    auto Args = getCommandArgs(Binary, CmdCalled);
 514    CmdL = CommandLine(Args.data(), _config);
 515
 516    if (CmdL.Parse(argc,argv) == false ||
 517        (Sys != NULL && pkgInitSystem(*_config, *Sys) == false))
 518    {
 519       if (_config->FindB("version") == true)
 520          ShowCommonHelp(Binary, CmdL, CmdsWithHelp, ShowHelp);
 521
 522       _error->DumpErrors();
 523       exit(100);
 524    }
 525
 526    // See if the help should be shown
 527    if (_config->FindB("help") == true || _config->FindB("version") == true ||
 528          (CmdL.FileSize() > 0 && strcmp(CmdL.FileList[0], "help") == 0))
 529    {
 530       ShowCommonHelp(Binary, CmdL, CmdsWithHelp, ShowHelp);
 531       exit(0);
 532    }
 533    if (Cmds.empty() == false && CmdL.FileSize() == 0)
 534    {
 535       ShowCommonHelp(Binary, CmdL, CmdsWithHelp, ShowHelp);
 536       exit(1);
 537    }
 538    return Cmds;
 539 }
 540                                                                         /*}}}*/
 541 unsigned short DispatchCommandLine(CommandLine &CmdL, std::vector<CommandLine::Dispatch> const &Cmds)   /*{{{*/
 542 {
 543    // Match the operation
 544    bool const returned = Cmds.empty() ? true : CmdL.DispatchArg(Cmds.data());
 545
 546    // Print any errors or warnings found during parsing
 547    bool const Errors = _error->PendingError();
 548    if (_config->FindI("quiet",0) > 0)
 549       _error->DumpErrors();
 550    else
 551       _error->DumpErrors(GlobalError::DEBUG);
 552    if (returned == false)
 553       return 100;
 554    return Errors == true ? 100 : 0;
 555 }
 556                                                                         /*}}}*/