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/init.h>
  15 #include <apt-pkg/strutl.h>
  16
  17 #include <algorithm>
  18
  19 #include <apti18n.h>
  20                                                                         /*}}}*/
  21 using namespace std;
  22
  23 ostream c0out(0);
  24 ostream c1out(0);
  25 ostream c2out(0);
  26 ofstream devnull("/dev/null");
  27 /* DoAuto - mark packages as automatically/manually installed           {{{*/
  28 bool DoAuto(CommandLine &CmdL)
  29 {
  30    pkgCacheFile CacheFile;
  31    pkgCache *Cache = CacheFile.GetPkgCache();
  32    pkgDepCache *DepCache = CacheFile.GetDepCache();
  33    if (unlikely(Cache == NULL || DepCache == NULL))
  34       return false;
  35
  36    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  37    if (pkgset.empty() == true)
  38       return _error->Error(_("No packages found"));
  39
  40    bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
  41    int AutoMarkChanged = 0;
  42
  43    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  44    {
  45       if (Pkg->CurrentVer == 0)
  46       {
  47          ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
  48          continue;
  49       }
  50       else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  51       {
  52          if (MarkAuto == false)
  53             ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
  54          else
  55             ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
  56          continue;
  57       }
  58
  59       if (MarkAuto == false)
  60          ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
  61       else
  62          ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
  63
  64       DepCache->MarkAuto(Pkg, MarkAuto);
  65       ++AutoMarkChanged;
  66    }
  67    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
  68       return DepCache->writeStateFile(NULL);
  69    return true;
  70 }
  71                                                                         /*}}}*/
  72 /* DoMarkAuto - mark packages as automatically/manually installed       {{{*/
  73 /* Does the same as DoAuto but tries to do it exactly the same why as
  74    the python implementation did it so it can be a drop-in replacement */
  75 bool DoMarkAuto(CommandLine &CmdL)
  76 {
  77    pkgCacheFile CacheFile;
  78    pkgCache *Cache = CacheFile.GetPkgCache();
  79    pkgDepCache *DepCache = CacheFile.GetDepCache();
  80    if (unlikely(Cache == NULL || DepCache == NULL))
  81       return false;
  82
  83    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  84    if (pkgset.empty() == true)
  85       return _error->Error(_("No packages found"));
  86
  87    bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
  88    bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
  89    int AutoMarkChanged = 0;
  90
  91    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  92    {
  93       if (Pkg->CurrentVer == 0 ||
  94           (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  95          continue;
  96
  97       if (Verbose == true)
  98          ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
  99
 100       DepCache->MarkAuto(Pkg, MarkAuto);
 101       ++AutoMarkChanged;
 102    }
 103    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
 104       return DepCache->writeStateFile(NULL);
 105
 106    _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
 107
 108    return true;
 109 }
 110                                                                         /*}}}*/
 111 /* ShowAuto - show automatically installed packages (sorted)            {{{*/
 112 bool ShowAuto(CommandLine &CmdL)
 113 {
 114    pkgCacheFile CacheFile;
 115    pkgCache *Cache = CacheFile.GetPkgCache();
 116    pkgDepCache *DepCache = CacheFile.GetDepCache();
 117    if (unlikely(Cache == NULL || DepCache == NULL))
 118       return false;
 119
 120    std::vector<string> packages;
 121
 122    bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
 123
 124    if (CmdL.FileList[1] == 0)
 125    {
 126       packages.reserve(Cache->HeaderP->PackageCount / 3);
 127       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 128          if (P->CurrentVer != 0 &&
 129              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 130             packages.push_back(P.FullName(true));
 131    }
 132    else
 133    {
 134       APT::CacheSetHelper helper(false); // do not show errors
 135       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 136       packages.reserve(pkgset.size());
 137       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 138          if (P->CurrentVer != 0 &&
 139              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 140             packages.push_back(P.FullName(true));
 141    }
 142
 143    std::sort(packages.begin(), packages.end());
 144
 145    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 146       std::cout << *I << std::endl;
 147
 148    return true;
 149 }
 150                                                                         /*}}}*/
 151 /* DoHold - mark packages as hold by dpkg                               {{{*/
 152 bool DoHold(CommandLine &CmdL)
 153 {
 154    pkgCacheFile CacheFile;
 155    pkgCache *Cache = CacheFile.GetPkgCache();
 156    if (unlikely(Cache == NULL))
 157       return false;
 158
 159    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
 160    if (pkgset.empty() == true)
 161       return _error->Error(_("No packages found"));
 162
 163    bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
 164
 165    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 166    {
 167       if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
 168       {
 169          if (MarkHold == true)
 170             ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
 171          else
 172             ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
 173          pkgset.erase(Pkg);
 174          continue;
 175       }
 176    }
 177
 178    if (pkgset.empty() == true)
 179       return true;
 180
 181    if (_config->FindB("APT::Mark::Simulate", false) == true)
 182    {
 183       for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 184       {
 185          if (MarkHold == false)
 186             ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 187          else
 188             ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 189       }
 190       return true;
 191    }
 192
 193    string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg");
 194    std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options");
 195    for (std::vector<string>::const_iterator o = dpkgoptions.begin();
 196         o != dpkgoptions.end(); ++o)
 197       dpkgcall.append(" ").append(*o);
 198    dpkgcall.append(" --set-selections");
 199    FILE *dpkg = popen(dpkgcall.c_str(), "w");
 200    if (dpkg == NULL)
 201       return _error->Errno("DoHold", "fdopen on dpkg stdin failed");
 202
 203    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 204    {
 205       if (MarkHold == true)
 206       {
 207          fprintf(dpkg, "%s hold\n", Pkg.FullName(true).c_str());
 208          ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 209       }
 210       else
 211       {
 212          fprintf(dpkg, "%s install\n", Pkg.FullName(true).c_str());
 213          ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 214       }
 215    }
 216
 217    int const status = pclose(dpkg);
 218    if (status == -1)
 219       return _error->Errno("DoHold", "dpkg execution failed in the end");
 220    if (WIFEXITED(status) == false || WEXITSTATUS(status) != 0)
 221       return _error->Error(_("Executing dpkg failed. Are you root?"));
 222    return true;
 223 }
 224                                                                         /*}}}*/
 225 /* ShowHold - show packages set on hold in dpkg status                  {{{*/
 226 bool ShowHold(CommandLine &CmdL)
 227 {
 228    pkgCacheFile CacheFile;
 229    pkgCache *Cache = CacheFile.GetPkgCache();
 230    if (unlikely(Cache == NULL))
 231       return false;
 232
 233    std::vector<string> packages;
 234
 235    if (CmdL.FileList[1] == 0)
 236    {
 237       packages.reserve(50); // how many holds are realistic? I hope just a few…
 238       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 239          if (P->SelectedState == pkgCache::State::Hold)
 240             packages.push_back(P.FullName(true));
 241    }
 242    else
 243    {
 244       APT::CacheSetHelper helper(false); // do not show errors
 245       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 246       packages.reserve(pkgset.size());
 247       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 248          if (P->SelectedState == pkgCache::State::Hold)
 249             packages.push_back(P.FullName(true));
 250    }
 251
 252    std::sort(packages.begin(), packages.end());
 253
 254    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 255       std::cout << *I << std::endl;
 256
 257    return true;
 258 }
 259                                                                         /*}}}*/
 260 // ShowHelp - Show a help screen                                        /*{{{*/
 261 // ---------------------------------------------------------------------
 262 /* */
 263 bool ShowHelp(CommandLine &CmdL)
 264 {
 265    ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
 266             COMMON_ARCH,__DATE__,__TIME__);
 267
 268    cout <<
 269     _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
 270       "\n"
 271       "apt-mark is a simple command line interface for marking packages\n"
 272       "as manual or automatical installed. It can also list marks.\n"
 273       "\n"
 274       "Commands:\n"
 275       "   auto - Mark the given packages as automatically installed\n"
 276       "   manual - Mark the given packages as manually installed\n"
 277       "\n"
 278       "Options:\n"
 279       "  -h  This help text.\n"
 280       "  -q  Loggable output - no progress indicator\n"
 281       "  -qq No output except for errors\n"
 282       "  -s  No-act. Just prints what would be done.\n"
 283       "  -f  read/write auto/manual marking in the given file\n"
 284       "  -c=? Read this configuration file\n"
 285       "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
 286       "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
 287       << std::endl;
 288    return true;
 289 }
 290                                                                         /*}}}*/
 291 int main(int argc,const char *argv[])                                   /*{{{*/
 292 {
 293    CommandLine::Args Args[] = {
 294       {'h',"help","help",0},
 295       {0,"version","version",0},
 296       {'q',"quiet","quiet",CommandLine::IntLevel},
 297       {'q',"silent","quiet",CommandLine::IntLevel},
 298       {'v',"verbose","APT::MarkAuto::Verbose",0},
 299       {'s',"simulate","APT::Mark::Simulate",0},
 300       {'s',"just-print","APT::Mark::Simulate",0},
 301       {'s',"recon","APT::Mark::Simulate",0},
 302       {'s',"dry-run","APT::Mark::Simulate",0},
 303       {'s',"no-act","APT::Mark::Simulate",0},
 304       {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
 305       {'c',"config-file",0,CommandLine::ConfigFile},
 306       {'o',"option",0,CommandLine::ArbItem},
 307       {0,0,0,0}};
 308    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
 309                                    {"auto",&DoAuto},
 310                                    {"manual",&DoAuto},
 311                                    {"hold",&DoHold},
 312                                    {"unhold",&DoHold},
 313                                    {"showauto",&ShowAuto},
 314                                    {"showmanual",&ShowAuto},
 315                                    {"showhold",&ShowHold},
 316                                    // be nice and forgive the typo
 317                                    {"showholds",&ShowHold},
 318                                    // be nice and forgive it as it is technical right
 319                                    {"install",&DoHold},
 320                                    // obsolete commands for compatibility
 321                                    {"markauto", &DoMarkAuto},
 322                                    {"unmarkauto", &DoMarkAuto},
 323                                    {0,0}};
 324
 325    // Set up gettext support
 326    setlocale(LC_ALL,"");
 327    textdomain(PACKAGE);
 328
 329    // Parse the command line and initialize the package library
 330    CommandLine CmdL(Args,_config);
 331    if (pkgInitConfig(*_config) == false ||
 332        CmdL.Parse(argc,argv) == false ||
 333        pkgInitSystem(*_config,_system) == false)
 334    {
 335       if (_config->FindB("version") == true)
 336          ShowHelp(CmdL);
 337       _error->DumpErrors();
 338       return 100;
 339    }
 340
 341    // See if the help should be shown
 342    if (_config->FindB("help") == true ||
 343        _config->FindB("version") == true ||
 344        CmdL.FileSize() == 0)
 345    {
 346       ShowHelp(CmdL);
 347       return 0;
 348    }
 349
 350    // Deal with stdout not being a tty
 351    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
 352       _config->Set("quiet","1");
 353
 354    // Setup the output streams
 355    c0out.rdbuf(cout.rdbuf());
 356    c1out.rdbuf(cout.rdbuf());
 357    c2out.rdbuf(cout.rdbuf());
 358    if (_config->FindI("quiet",0) > 0)
 359       c0out.rdbuf(devnull.rdbuf());
 360    if (_config->FindI("quiet",0) > 1)
 361       c1out.rdbuf(devnull.rdbuf());
 362
 363    // Match the operation
 364    CmdL.DispatchArg(Cmds);
 365
 366    // Print any errors or warnings found during parsing
 367    bool const Errors = _error->PendingError();
 368    if (_config->FindI("quiet",0) > 0)
 369       _error->DumpErrors();
 370    else
 371       _error->DumpErrors(GlobalError::DEBUG);
 372    return Errors == true ? 100 : 0;
 373 }
 374                                                                         /*}}}*/