cmdline/apt-mark.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* #####################################################################
   4    apt-mark - show and change auto-installed bit information
   5    ##################################################################### */
   6                                                                         /*}}}*/
   7 // Include Files                                                        /*{{{*/
   8 #include <config.h>
   9
  10 #include <apt-pkg/cachefile.h>
  11 #include <apt-pkg/cacheset.h>
  12 #include <apt-pkg/cmndline.h>
  13 #include <apt-pkg/error.h>
  14 #include <apt-pkg/fileutl.h>
  15 #include <apt-pkg/init.h>
  16 #include <apt-pkg/pkgsystem.h>
  17 #include <apt-pkg/strutl.h>
  18 #include <apt-pkg/statechanges.h>
  19 #include <apt-pkg/cacheiterators.h>
  20 #include <apt-pkg/configuration.h>
  21 #include <apt-pkg/depcache.h>
  22 #include <apt-pkg/macros.h>
  23 #include <apt-pkg/pkgcache.h>
  24
  25 #include <apt-private/private-cmndline.h>
  26 #include <apt-private/private-output.h>
  27
  28 #include <errno.h>
  29 #include <fcntl.h>
  30 #include <stddef.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <sys/wait.h>
  35 #include <unistd.h>
  36 #include <algorithm>
  37 #include <fstream>
  38 #include <iostream>
  39 #include <string>
  40 #include <vector>
  41
  42 #include <apti18n.h>
  43                                                                         /*}}}*/
  44 using namespace std;
  45
  46 /* DoAuto - mark packages as automatically/manually installed           {{{*/
  47 static bool DoAuto(CommandLine &CmdL)
  48 {
  49    pkgCacheFile CacheFile;
  50    pkgCache *Cache = CacheFile.GetPkgCache();
  51    pkgDepCache *DepCache = CacheFile.GetDepCache();
  52    if (unlikely(Cache == NULL || DepCache == NULL))
  53       return false;
  54
  55    APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
  56    if (pkgset.empty() == true)
  57       return _error->Error(_("No packages found"));
  58
  59    bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
  60    int AutoMarkChanged = 0;
  61
  62    for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  63    {
  64       if (Pkg->CurrentVer == 0)
  65       {
  66          ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
  67          continue;
  68       }
  69       else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  70       {
  71          if (MarkAuto == false)
  72             ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
  73          else
  74             ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
  75          continue;
  76       }
  77
  78       if (MarkAuto == false)
  79          ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
  80       else
  81          ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
  82
  83       DepCache->MarkAuto(Pkg, MarkAuto);
  84       ++AutoMarkChanged;
  85    }
  86    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
  87       return DepCache->writeStateFile(NULL);
  88    return true;
  89 }
  90                                                                         /*}}}*/
  91 /* DoMarkAuto - mark packages as automatically/manually installed       {{{*/
  92 /* Does the same as DoAuto but tries to do it exactly the same why as
  93    the python implementation did it so it can be a drop-in replacement */
  94 static bool DoMarkAuto(CommandLine &CmdL)
  95 {
  96    pkgCacheFile CacheFile;
  97    pkgCache *Cache = CacheFile.GetPkgCache();
  98    pkgDepCache *DepCache = CacheFile.GetDepCache();
  99    if (unlikely(Cache == NULL || DepCache == NULL))
 100       return false;
 101
 102    APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
 103    if (pkgset.empty() == true)
 104       return _error->Error(_("No packages found"));
 105
 106    bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
 107    bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
 108    int AutoMarkChanged = 0;
 109
 110    for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 111    {
 112       if (Pkg->CurrentVer == 0 ||
 113           (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
 114          continue;
 115
 116       if (Verbose == true)
 117          ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
 118
 119       DepCache->MarkAuto(Pkg, MarkAuto);
 120       ++AutoMarkChanged;
 121    }
 122    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
 123       return DepCache->writeStateFile(NULL);
 124
 125    _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
 126
 127    return true;
 128 }
 129                                                                         /*}}}*/
 130 /* ShowAuto - show automatically installed packages (sorted)            {{{*/
 131 static bool ShowAuto(CommandLine &CmdL)
 132 {
 133    pkgCacheFile CacheFile;
 134    pkgCache *Cache = CacheFile.GetPkgCache();
 135    pkgDepCache *DepCache = CacheFile.GetDepCache();
 136    if (unlikely(Cache == NULL || DepCache == NULL))
 137       return false;
 138
 139    std::vector<string> packages;
 140
 141    bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
 142
 143    if (CmdL.FileList[1] == 0)
 144    {
 145       packages.reserve(Cache->HeaderP->PackageCount / 3);
 146       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 147          if (P->CurrentVer != 0 &&
 148              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 149             packages.push_back(P.FullName(true));
 150    }
 151    else
 152    {
 153       APT::CacheSetHelper helper(false); // do not show errors
 154       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 155       packages.reserve(pkgset.size());
 156       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 157          if (P->CurrentVer != 0 &&
 158              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 159             packages.push_back(P.FullName(true));
 160    }
 161
 162    std::sort(packages.begin(), packages.end());
 163
 164    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 165       std::cout << *I << std::endl;
 166
 167    return true;
 168 }
 169                                                                         /*}}}*/
 170 // DoSelection - wrapping around dpkg selections                        /*{{{*/
 171 static bool DoSelection(CommandLine &CmdL)
 172 {
 173    pkgCacheFile CacheFile;
 174    pkgCache *Cache = CacheFile.GetPkgCache();
 175    if (unlikely(Cache == NULL))
 176       return false;
 177
 178    APT::VersionVector pkgset = APT::VersionVector::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::CacheSetHelper::INSTCAND);
 179    if (pkgset.empty() == true)
 180       return _error->Error(_("No packages found"));
 181
 182    APT::StateChanges marks;
 183    if (strcasecmp(CmdL.FileList[0], "hold") == 0 || strcasecmp(CmdL.FileList[0], "unhold") == 0)
 184    {
 185       auto const part = std::stable_partition(pkgset.begin(), pkgset.end(),
 186             [](pkgCache::VerIterator const &V) { return V.ParentPkg()->SelectedState == pkgCache::State::Hold; });
 187
 188       bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
 189       auto const doneBegin = MarkHold ? pkgset.begin() : part;
 190       auto const doneEnd = MarkHold ? part : pkgset.end();
 191       std::for_each(doneBegin, doneEnd, [&MarkHold](pkgCache::VerIterator const &V) {
 192             if (MarkHold == true)
 193             ioprintf(c1out, _("%s was already set on hold.\n"), V.ParentPkg().FullName(true).c_str());
 194             else
 195             ioprintf(c1out, _("%s was already not hold.\n"), V.ParentPkg().FullName(true).c_str());
 196             });
 197
 198       if (doneBegin == pkgset.begin() && doneEnd == pkgset.end())
 199          return true;
 200
 201       auto const changeBegin = MarkHold ? part : pkgset.begin();
 202       auto const changeEnd = MarkHold ? pkgset.end() : part;
 203       std::move(changeBegin, changeEnd, std::back_inserter(MarkHold ? marks.Hold() : marks.Unhold()));
 204    }
 205    else
 206    {
 207       // FIXME: Maybe show a message for unchanged states here as well?
 208       if (strcasecmp(CmdL.FileList[0], "purge") == 0)
 209          std::swap(marks.Purge(), pkgset);
 210       else if (strcasecmp(CmdL.FileList[0], "deinstall") == 0 || strcasecmp(CmdL.FileList[0], "remove") == 0)
 211          std::swap(marks.Remove(), pkgset);
 212       else //if (strcasecmp(CmdL.FileList[0], "install") == 0)
 213          std::swap(marks.Install(), pkgset);
 214    }
 215    pkgset.clear();
 216
 217    bool success = true;
 218    if (_config->FindB("APT::Mark::Simulate", false) == false)
 219    {
 220       success = marks.Save();
 221       if (success == false)
 222          _error->Error(_("Executing dpkg failed. Are you root?"));
 223    }
 224    for (auto Ver : marks.Hold())
 225       ioprintf(c1out,_("%s set on hold.\n"), Ver.ParentPkg().FullName(true).c_str());
 226    for (auto Ver : marks.Unhold())
 227       ioprintf(c1out,_("Canceled hold on %s.\n"), Ver.ParentPkg().FullName(true).c_str());
 228    for (auto Ver : marks.Purge())
 229       ioprintf(c1out,_("Selected %s for purge.\n"), Ver.ParentPkg().FullName(true).c_str());
 230    for (auto Ver : marks.Remove())
 231       ioprintf(c1out,_("Selected %s for removal.\n"), Ver.ParentPkg().FullName(true).c_str());
 232    for (auto Ver : marks.Install())
 233       ioprintf(c1out,_("Selected %s for installation.\n"), Ver.ParentPkg().FullName(true).c_str());
 234    return success;
 235 }
 236                                                                         /*}}}*/
 237 static bool ShowSelection(CommandLine &CmdL)                            /*{{{*/
 238 {
 239    pkgCacheFile CacheFile;
 240    pkgCache *Cache = CacheFile.GetPkgCache();
 241    if (unlikely(Cache == NULL))
 242       return false;
 243
 244    pkgCache::State::PkgSelectedState selector;
 245    if (strncasecmp(CmdL.FileList[0], "showpurge", strlen("showpurge")) == 0)
 246       selector = pkgCache::State::Purge;
 247    else if (strncasecmp(CmdL.FileList[0], "showdeinstall", strlen("showdeinstall")) == 0 ||
 248          strncasecmp(CmdL.FileList[0], "showremove", strlen("showremove")) == 0)
 249       selector = pkgCache::State::DeInstall;
 250    else if (strncasecmp(CmdL.FileList[0], "showhold", strlen("showhold")) == 0)
 251       selector = pkgCache::State::Hold;
 252    else //if (strcasecmp(CmdL.FileList[0], "showinstall", strlen("showinstall")) == 0)
 253       selector = pkgCache::State::Install;
 254
 255    std::vector<string> packages;
 256
 257    if (CmdL.FileList[1] == 0)
 258    {
 259       packages.reserve(50); // how many holds are realistic? I hope just a few…
 260       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 261          if (P->SelectedState == selector)
 262             packages.push_back(P.FullName(true));
 263    }
 264    else
 265    {
 266       APT::CacheSetHelper helper(false); // do not show errors
 267       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 268       packages.reserve(pkgset.size());
 269       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 270          if (P->SelectedState == selector)
 271             packages.push_back(P.FullName(true));
 272    }
 273
 274    std::sort(packages.begin(), packages.end());
 275
 276    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 277       std::cout << *I << std::endl;
 278
 279    return true;
 280 }
 281                                                                         /*}}}*/
 282 // ShowHelp - Show a help screen                                        /*{{{*/
 283 static bool ShowHelp(CommandLine &, CommandLine::DispatchWithHelp const * Cmds)
 284 {
 285    ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
 286
 287    std::cout <<
 288     _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
 289       "\n"
 290       "apt-mark is a simple command line interface for marking packages\n"
 291       "as manually or automatically installed. It can also list marks.\n")
 292     << std::endl
 293     << _("Commands:") << std::endl;
 294
 295    for (; Cmds->Handler != nullptr; ++Cmds)
 296    {
 297       if (Cmds->Help == nullptr)
 298          continue;
 299       std::cout << "   " << Cmds->Match << " - " << Cmds->Help << std::endl;
 300    }
 301
 302    std::cout << std::endl
 303    << _("Options:\n"
 304       "  -h  This help text.\n"
 305       "  -q  Loggable output - no progress indicator\n"
 306       "  -qq No output except for errors\n"
 307       "  -s  No-act. Just prints what would be done.\n"
 308       "  -f  read/write auto/manual marking in the given file\n"
 309       "  -c=? Read this configuration file\n"
 310       "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
 311       "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
 312       << std::endl;
 313    return true;
 314 }
 315                                                                         /*}}}*/
 316 int main(int argc,const char *argv[])                                   /*{{{*/
 317 {
 318    CommandLine::DispatchWithHelp Cmds[] = {
 319       {"auto",&DoAuto, _("Mark the given packages as automatically installed")},
 320       {"manual",&DoAuto, _("Mark the given packages as manually installed")},
 321       {"hold",&DoSelection, _("Mark a package as held back")},
 322       {"unhold",&DoSelection, _("Unset a package set as held back")},
 323       {"install",&DoSelection, nullptr},
 324       {"remove",&DoSelection, nullptr}, // dpkg uses deinstall, but we use remove everywhere else
 325       {"deinstall",&DoSelection, nullptr},
 326       {"purge",&DoSelection, nullptr},
 327       {"showauto",&ShowAuto, _("Print the list of automatically installed packages")},
 328       {"showmanual",&ShowAuto, _("Print the list of manually installed packages")},
 329       {"showhold",&ShowSelection, _("Print the list of package on hold")}, {"showholds",&ShowSelection, nullptr},
 330       {"showinstall",&ShowSelection, nullptr}, {"showinstalls",&ShowSelection, nullptr},
 331       {"showdeinstall",&ShowSelection, nullptr}, {"showdeinstalls",&ShowSelection, nullptr},
 332       {"showremove",&ShowSelection, nullptr}, {"showremoves",&ShowSelection, nullptr},
 333       {"showpurge",&ShowSelection, nullptr}, {"showpurges",&ShowSelection, nullptr},
 334       // obsolete commands for compatibility
 335       {"markauto", &DoMarkAuto, nullptr},
 336       {"unmarkauto", &DoMarkAuto, nullptr},
 337       {nullptr, nullptr, nullptr}
 338    };
 339
 340    std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));
 341
 342    // Set up gettext support
 343    setlocale(LC_ALL,"");
 344    textdomain(PACKAGE);
 345
 346    CommandLine CmdL;
 347    ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);
 348
 349    InitOutput();
 350
 351    // Match the operation
 352    CmdL.DispatchArg(Cmds);
 353
 354    // Print any errors or warnings found during parsing
 355    bool const Errors = _error->PendingError();
 356    if (_config->FindI("quiet",0) > 0)
 357       _error->DumpErrors();
 358    else
 359       _error->DumpErrors(GlobalError::DEBUG);
 360    return Errors == true ? 100 : 0;
 361 }
 362                                                                         /*}}}*/