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