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 #include <apt-pkg/pkgsystem.h>
  17
  18 #include <algorithm>
  19
  20 #include <apti18n.h>
  21                                                                         /*}}}*/
  22 using namespace std;
  23
  24 ostream c0out(0);
  25 ostream c1out(0);
  26 ostream c2out(0);
  27 ofstream devnull("/dev/null");
  28 /* DoAuto - mark packages as automatically/manually installed           {{{*/
  29 bool DoAuto(CommandLine &CmdL)
  30 {
  31    pkgCacheFile CacheFile;
  32    pkgCache *Cache = CacheFile.GetPkgCache();
  33    pkgDepCache *DepCache = CacheFile.GetDepCache();
  34    if (unlikely(Cache == NULL || DepCache == NULL))
  35       return false;
  36
  37    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  38    if (pkgset.empty() == true)
  39       return _error->Error(_("No packages found"));
  40
  41    bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
  42    int AutoMarkChanged = 0;
  43
  44    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  45    {
  46       if (Pkg->CurrentVer == 0)
  47       {
  48          ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
  49          continue;
  50       }
  51       else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  52       {
  53          if (MarkAuto == false)
  54             ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
  55          else
  56             ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
  57          continue;
  58       }
  59
  60       if (MarkAuto == false)
  61          ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
  62       else
  63          ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
  64
  65       DepCache->MarkAuto(Pkg, MarkAuto);
  66       ++AutoMarkChanged;
  67    }
  68    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
  69       return DepCache->writeStateFile(NULL);
  70    return true;
  71 }
  72                                                                         /*}}}*/
  73 /* DoMarkAuto - mark packages as automatically/manually installed       {{{*/
  74 /* Does the same as DoAuto but tries to do it exactly the same why as
  75    the python implementation did it so it can be a drop-in replacement */
  76 bool DoMarkAuto(CommandLine &CmdL)
  77 {
  78    pkgCacheFile CacheFile;
  79    pkgCache *Cache = CacheFile.GetPkgCache();
  80    pkgDepCache *DepCache = CacheFile.GetDepCache();
  81    if (unlikely(Cache == NULL || DepCache == NULL))
  82       return false;
  83
  84    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  85    if (pkgset.empty() == true)
  86       return _error->Error(_("No packages found"));
  87
  88    bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
  89    bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
  90    int AutoMarkChanged = 0;
  91
  92    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  93    {
  94       if (Pkg->CurrentVer == 0 ||
  95           (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  96          continue;
  97
  98       if (Verbose == true)
  99          ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
 100
 101       DepCache->MarkAuto(Pkg, MarkAuto);
 102       ++AutoMarkChanged;
 103    }
 104    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
 105       return DepCache->writeStateFile(NULL);
 106
 107    _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
 108
 109    return true;
 110 }
 111                                                                         /*}}}*/
 112 /* ShowAuto - show automatically installed packages (sorted)            {{{*/
 113 bool ShowAuto(CommandLine &CmdL)
 114 {
 115    pkgCacheFile CacheFile;
 116    pkgCache *Cache = CacheFile.GetPkgCache();
 117    pkgDepCache *DepCache = CacheFile.GetDepCache();
 118    if (unlikely(Cache == NULL || DepCache == NULL))
 119       return false;
 120
 121    std::vector<string> packages;
 122
 123    bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
 124
 125    if (CmdL.FileList[1] == 0)
 126    {
 127       packages.reserve(Cache->HeaderP->PackageCount / 3);
 128       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 129          if (P->CurrentVer != 0 &&
 130              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 131             packages.push_back(P.FullName(true));
 132    }
 133    else
 134    {
 135       APT::CacheSetHelper helper(false); // do not show errors
 136       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 137       packages.reserve(pkgset.size());
 138       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 139          if (P->CurrentVer != 0 &&
 140              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 141             packages.push_back(P.FullName(true));
 142    }
 143
 144    std::sort(packages.begin(), packages.end());
 145
 146    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 147       std::cout << *I << std::endl;
 148
 149    return true;
 150 }
 151                                                                         /*}}}*/
 152 /* DoHold - mark packages as hold by dpkg                               {{{*/
 153 bool DoHold(CommandLine &CmdL)
 154 {
 155    pkgCacheFile CacheFile;
 156    pkgCache *Cache = CacheFile.GetPkgCache();
 157    if (unlikely(Cache == NULL))
 158       return false;
 159
 160    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
 161    if (pkgset.empty() == true)
 162       return _error->Error(_("No packages found"));
 163
 164    bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
 165
 166    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 167    {
 168       if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
 169       {
 170          if (MarkHold == true)
 171             ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
 172          else
 173             ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
 174          pkgset.erase(Pkg);
 175          continue;
 176       }
 177    }
 178
 179    if (pkgset.empty() == true)
 180       return true;
 181
 182    if (_config->FindB("APT::Mark::Simulate", false) == true)
 183    {
 184       for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 185       {
 186          if (MarkHold == false)
 187             ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 188          else
 189             ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 190       }
 191       return true;
 192    }
 193
 194    string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg");
 195    std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options");
 196    for (std::vector<string>::const_iterator o = dpkgoptions.begin();
 197         o != dpkgoptions.end(); ++o)
 198       dpkgcall.append(" ").append(*o);
 199    dpkgcall.append(" --set-selections");
 200    FILE *dpkg = popen(dpkgcall.c_str(), "w");
 201    if (dpkg == NULL)
 202       return _error->Errno("DoHold", "fdopen on dpkg stdin failed");
 203
 204    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 205    {
 206       if (MarkHold == true)
 207       {
 208          fprintf(dpkg, "%s hold\n", Pkg.FullName(true).c_str());
 209          ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 210       }
 211       else
 212       {
 213          fprintf(dpkg, "%s install\n", Pkg.FullName(true).c_str());
 214          ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 215       }
 216    }
 217
 218    int const status = pclose(dpkg);
 219    if (status == -1)
 220       return _error->Errno("DoHold", "dpkg execution failed in the end");
 221    if (WIFEXITED(status) == false || WEXITSTATUS(status) != 0)
 222       return _error->Error(_("Executing dpkg failed. Are you root?"));
 223    return true;
 224 }
 225                                                                         /*}}}*/
 226 /* ShowHold - show packages set on hold in dpkg status                  {{{*/
 227 bool ShowHold(CommandLine &CmdL)
 228 {
 229    pkgCacheFile CacheFile;
 230    pkgCache *Cache = CacheFile.GetPkgCache();
 231    if (unlikely(Cache == NULL))
 232       return false;
 233
 234    std::vector<string> packages;
 235
 236    if (CmdL.FileList[1] == 0)
 237    {
 238       packages.reserve(50); // how many holds are realistic? I hope just a few…
 239       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 240          if (P->SelectedState == pkgCache::State::Hold)
 241             packages.push_back(P.FullName(true));
 242    }
 243    else
 244    {
 245       APT::CacheSetHelper helper(false); // do not show errors
 246       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 247       packages.reserve(pkgset.size());
 248       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 249          if (P->SelectedState == pkgCache::State::Hold)
 250             packages.push_back(P.FullName(true));
 251    }
 252
 253    std::sort(packages.begin(), packages.end());
 254
 255    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 256       std::cout << *I << std::endl;
 257
 258    return true;
 259 }
 260                                                                         /*}}}*/
 261 // ShowHelp - Show a help screen                                        /*{{{*/
 262 // ---------------------------------------------------------------------
 263 /* */
 264 bool ShowHelp(CommandLine &CmdL)
 265 {
 266    ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
 267             COMMON_ARCH,__DATE__,__TIME__);
 268
 269    cout <<
 270     _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
 271       "\n"
 272       "apt-mark is a simple command line interface for marking packages\n"
 273       "as manual or automatical installed. It can also list marks.\n"
 274       "\n"
 275       "Commands:\n"
 276       "   auto - Mark the given packages as automatically installed\n"
 277       "   manual - Mark the given packages as manually installed\n"
 278       "\n"
 279       "Options:\n"
 280       "  -h  This help text.\n"
 281       "  -q  Loggable output - no progress indicator\n"
 282       "  -qq No output except for errors\n"
 283       "  -s  No-act. Just prints what would be done.\n"
 284       "  -f  read/write auto/manual marking in the given file\n"
 285       "  -c=? Read this configuration file\n"
 286       "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
 287       "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
 288       << std::endl;
 289    return true;
 290 }
 291                                                                         /*}}}*/
 292 int main(int argc,const char *argv[])                                   /*{{{*/
 293 {
 294    CommandLine::Args Args[] = {
 295       {'h',"help","help",0},
 296       {0,"version","version",0},
 297       {'q',"quiet","quiet",CommandLine::IntLevel},
 298       {'q',"silent","quiet",CommandLine::IntLevel},
 299       {'v',"verbose","APT::MarkAuto::Verbose",0},
 300       {'s',"simulate","APT::Mark::Simulate",0},
 301       {'s',"just-print","APT::Mark::Simulate",0},
 302       {'s',"recon","APT::Mark::Simulate",0},
 303       {'s',"dry-run","APT::Mark::Simulate",0},
 304       {'s',"no-act","APT::Mark::Simulate",0},
 305       {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
 306       {'c',"config-file",0,CommandLine::ConfigFile},
 307       {'o',"option",0,CommandLine::ArbItem},
 308       {0,0,0,0}};
 309    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
 310                                    {"auto",&DoAuto},
 311                                    {"manual",&DoAuto},
 312                                    {"hold",&DoHold},
 313                                    {"unhold",&DoHold},
 314                                    {"showauto",&ShowAuto},
 315                                    {"showmanual",&ShowAuto},
 316                                    {"showhold",&ShowHold},
 317                                    // be nice and forgive the typo
 318                                    {"showholds",&ShowHold},
 319                                    // be nice and forgive it as it is technical right
 320                                    {"install",&DoHold},
 321                                    // obsolete commands for compatibility
 322                                    {"markauto", &DoMarkAuto},
 323                                    {"unmarkauto", &DoMarkAuto},
 324                                    {0,0}};
 325
 326    // Set up gettext support
 327    setlocale(LC_ALL,"");
 328    textdomain(PACKAGE);
 329
 330    // Parse the command line and initialize the package library
 331    CommandLine CmdL(Args,_config);
 332    if (pkgInitConfig(*_config) == false ||
 333        CmdL.Parse(argc,argv) == false ||
 334        pkgInitSystem(*_config,_system) == false)
 335    {
 336       if (_config->FindB("version") == true)
 337          ShowHelp(CmdL);
 338       _error->DumpErrors();
 339       return 100;
 340    }
 341
 342    // See if the help should be shown
 343    if (_config->FindB("help") == true ||
 344        _config->FindB("version") == true ||
 345        CmdL.FileSize() == 0)
 346    {
 347       ShowHelp(CmdL);
 348       return 0;
 349    }
 350
 351    // Deal with stdout not being a tty
 352    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
 353       _config->Set("quiet","1");
 354
 355    // Setup the output streams
 356    c0out.rdbuf(cout.rdbuf());
 357    c1out.rdbuf(cout.rdbuf());
 358    c2out.rdbuf(cout.rdbuf());
 359    if (_config->FindI("quiet",0) > 0)
 360       c0out.rdbuf(devnull.rdbuf());
 361    if (_config->FindI("quiet",0) > 1)
 362       c1out.rdbuf(devnull.rdbuf());
 363
 364    // Match the operation
 365    CmdL.DispatchArg(Cmds);
 366
 367    // Print any errors or warnings found during parsing
 368    bool const Errors = _error->PendingError();
 369    if (_config->FindI("quiet",0) > 0)
 370       _error->DumpErrors();
 371    else
 372       _error->DumpErrors(GlobalError::DEBUG);
 373    return Errors == true ? 100 : 0;
 374 }
 375                                                                         /*}}}*/