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