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 #include <unistd.h>
  20
  21 #include <apti18n.h>
  22                                                                         /*}}}*/
  23 using namespace std;
  24
  25 ostream c0out(0);
  26 ostream c1out(0);
  27 ostream c2out(0);
  28 ofstream devnull("/dev/null");
  29 /* DoAuto - mark packages as automatically/manually installed           {{{*/
  30 bool DoAuto(CommandLine &CmdL)
  31 {
  32    pkgCacheFile CacheFile;
  33    pkgCache *Cache = CacheFile.GetPkgCache();
  34    pkgDepCache *DepCache = CacheFile.GetDepCache();
  35    if (unlikely(Cache == NULL || DepCache == NULL))
  36       return false;
  37
  38    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  39    if (pkgset.empty() == true)
  40       return _error->Error(_("No packages found"));
  41
  42    bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
  43    int AutoMarkChanged = 0;
  44
  45    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  46    {
  47       if (Pkg->CurrentVer == 0)
  48       {
  49          ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
  50          continue;
  51       }
  52       else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  53       {
  54          if (MarkAuto == false)
  55             ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
  56          else
  57             ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
  58          continue;
  59       }
  60
  61       if (MarkAuto == false)
  62          ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
  63       else
  64          ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
  65
  66       DepCache->MarkAuto(Pkg, MarkAuto);
  67       ++AutoMarkChanged;
  68    }
  69    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
  70       return DepCache->writeStateFile(NULL);
  71    return true;
  72 }
  73                                                                         /*}}}*/
  74 /* DoMarkAuto - mark packages as automatically/manually installed       {{{*/
  75 /* Does the same as DoAuto but tries to do it exactly the same why as
  76    the python implementation did it so it can be a drop-in replacement */
  77 bool DoMarkAuto(CommandLine &CmdL)
  78 {
  79    pkgCacheFile CacheFile;
  80    pkgCache *Cache = CacheFile.GetPkgCache();
  81    pkgDepCache *DepCache = CacheFile.GetDepCache();
  82    if (unlikely(Cache == NULL || DepCache == NULL))
  83       return false;
  84
  85    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
  86    if (pkgset.empty() == true)
  87       return _error->Error(_("No packages found"));
  88
  89    bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
  90    bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
  91    int AutoMarkChanged = 0;
  92
  93    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
  94    {
  95       if (Pkg->CurrentVer == 0 ||
  96           (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
  97          continue;
  98
  99       if (Verbose == true)
 100          ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
 101
 102       DepCache->MarkAuto(Pkg, MarkAuto);
 103       ++AutoMarkChanged;
 104    }
 105    if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
 106       return DepCache->writeStateFile(NULL);
 107
 108    _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
 109
 110    return true;
 111 }
 112                                                                         /*}}}*/
 113 /* ShowAuto - show automatically installed packages (sorted)            {{{*/
 114 bool ShowAuto(CommandLine &CmdL)
 115 {
 116    pkgCacheFile CacheFile;
 117    pkgCache *Cache = CacheFile.GetPkgCache();
 118    pkgDepCache *DepCache = CacheFile.GetDepCache();
 119    if (unlikely(Cache == NULL || DepCache == NULL))
 120       return false;
 121
 122    std::vector<string> packages;
 123
 124    bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
 125
 126    if (CmdL.FileList[1] == 0)
 127    {
 128       packages.reserve(Cache->HeaderP->PackageCount / 3);
 129       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 130          if (P->CurrentVer != 0 &&
 131              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 132             packages.push_back(P.FullName(true));
 133    }
 134    else
 135    {
 136       APT::CacheSetHelper helper(false); // do not show errors
 137       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 138       packages.reserve(pkgset.size());
 139       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 140          if (P->CurrentVer != 0 &&
 141              (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
 142             packages.push_back(P.FullName(true));
 143    }
 144
 145    std::sort(packages.begin(), packages.end());
 146
 147    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 148       std::cout << *I << std::endl;
 149
 150    return true;
 151 }
 152                                                                         /*}}}*/
 153 /* DoHold - mark packages as hold by dpkg                               {{{*/
 154 bool DoHold(CommandLine &CmdL)
 155 {
 156    pkgCacheFile CacheFile;
 157    pkgCache *Cache = CacheFile.GetPkgCache();
 158    if (unlikely(Cache == NULL))
 159       return false;
 160
 161    APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
 162    if (pkgset.empty() == true)
 163       return _error->Error(_("No packages found"));
 164
 165    bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
 166
 167    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 168    {
 169       if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
 170       {
 171          if (MarkHold == true)
 172             ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
 173          else
 174             ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
 175          pkgset.erase(Pkg);
 176          continue;
 177       }
 178    }
 179
 180    if (pkgset.empty() == true)
 181       return true;
 182
 183    if (_config->FindB("APT::Mark::Simulate", false) == true)
 184    {
 185       for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 186       {
 187          if (MarkHold == false)
 188             ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 189          else
 190             ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 191       }
 192       return true;
 193    }
 194
 195    string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg");
 196    std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options");
 197    for (std::vector<string>::const_iterator o = dpkgoptions.begin();
 198         o != dpkgoptions.end(); ++o)
 199       dpkgcall.append(" ").append(*o);
 200    dpkgcall.append(" --set-selections");
 201    FILE *dpkg = popen(dpkgcall.c_str(), "w");
 202    if (dpkg == NULL)
 203       return _error->Errno("DoHold", "fdopen on dpkg stdin failed");
 204
 205    for (APT::PackageSet::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
 206    {
 207       if (MarkHold == true)
 208       {
 209          fprintf(dpkg, "%s hold\n", Pkg.FullName(true).c_str());
 210          ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
 211       }
 212       else
 213       {
 214          fprintf(dpkg, "%s install\n", Pkg.FullName(true).c_str());
 215          ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
 216       }
 217    }
 218
 219    int const status = pclose(dpkg);
 220    if (status == -1)
 221       return _error->Errno("DoHold", "dpkg execution failed in the end");
 222    if (WIFEXITED(status) == false || WEXITSTATUS(status) != 0)
 223       return _error->Error(_("Executing dpkg failed. Are you root?"));
 224    return true;
 225 }
 226                                                                         /*}}}*/
 227 /* ShowHold - show packages set on hold in dpkg status                  {{{*/
 228 bool ShowHold(CommandLine &CmdL)
 229 {
 230    pkgCacheFile CacheFile;
 231    pkgCache *Cache = CacheFile.GetPkgCache();
 232    if (unlikely(Cache == NULL))
 233       return false;
 234
 235    std::vector<string> packages;
 236
 237    if (CmdL.FileList[1] == 0)
 238    {
 239       packages.reserve(50); // how many holds are realistic? I hope just a few…
 240       for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
 241          if (P->SelectedState == pkgCache::State::Hold)
 242             packages.push_back(P.FullName(true));
 243    }
 244    else
 245    {
 246       APT::CacheSetHelper helper(false); // do not show errors
 247       APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 248       packages.reserve(pkgset.size());
 249       for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
 250          if (P->SelectedState == pkgCache::State::Hold)
 251             packages.push_back(P.FullName(true));
 252    }
 253
 254    std::sort(packages.begin(), packages.end());
 255
 256    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
 257       std::cout << *I << std::endl;
 258
 259    return true;
 260 }
 261                                                                         /*}}}*/
 262 // ShowHelp - Show a help screen                                        /*{{{*/
 263 // ---------------------------------------------------------------------
 264 /* */
 265 bool ShowHelp(CommandLine &CmdL)
 266 {
 267    ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
 268             COMMON_ARCH,__DATE__,__TIME__);
 269
 270    cout <<
 271     _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
 272       "\n"
 273       "apt-mark is a simple command line interface for marking packages\n"
 274       "as manual or automatical installed. It can also list marks.\n"
 275       "\n"
 276       "Commands:\n"
 277       "   auto - Mark the given packages as automatically installed\n"
 278       "   manual - Mark the given packages as manually installed\n"
 279       "\n"
 280       "Options:\n"
 281       "  -h  This help text.\n"
 282       "  -q  Loggable output - no progress indicator\n"
 283       "  -qq No output except for errors\n"
 284       "  -s  No-act. Just prints what would be done.\n"
 285       "  -f  read/write auto/manual marking in the given file\n"
 286       "  -c=? Read this configuration file\n"
 287       "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
 288       "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
 289       << std::endl;
 290    return true;
 291 }
 292                                                                         /*}}}*/
 293 int main(int argc,const char *argv[])                                   /*{{{*/
 294 {
 295    CommandLine::Args Args[] = {
 296       {'h',"help","help",0},
 297       {0,"version","version",0},
 298       {'q',"quiet","quiet",CommandLine::IntLevel},
 299       {'q',"silent","quiet",CommandLine::IntLevel},
 300       {'v',"verbose","APT::MarkAuto::Verbose",0},
 301       {'s',"simulate","APT::Mark::Simulate",0},
 302       {'s',"just-print","APT::Mark::Simulate",0},
 303       {'s',"recon","APT::Mark::Simulate",0},
 304       {'s',"dry-run","APT::Mark::Simulate",0},
 305       {'s',"no-act","APT::Mark::Simulate",0},
 306       {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
 307       {'c',"config-file",0,CommandLine::ConfigFile},
 308       {'o',"option",0,CommandLine::ArbItem},
 309       {0,0,0,0}};
 310    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
 311                                    {"auto",&DoAuto},
 312                                    {"manual",&DoAuto},
 313                                    {"hold",&DoHold},
 314                                    {"unhold",&DoHold},
 315                                    {"showauto",&ShowAuto},
 316                                    {"showmanual",&ShowAuto},
 317                                    {"showhold",&ShowHold},
 318                                    // be nice and forgive the typo
 319                                    {"showholds",&ShowHold},
 320                                    // be nice and forgive it as it is technical right
 321                                    {"install",&DoHold},
 322                                    // obsolete commands for compatibility
 323                                    {"markauto", &DoMarkAuto},
 324                                    {"unmarkauto", &DoMarkAuto},
 325                                    {0,0}};
 326
 327    // Set up gettext support
 328    setlocale(LC_ALL,"");
 329    textdomain(PACKAGE);
 330
 331    // Parse the command line and initialize the package library
 332    CommandLine CmdL(Args,_config);
 333    if (pkgInitConfig(*_config) == false ||
 334        CmdL.Parse(argc,argv) == false ||
 335        pkgInitSystem(*_config,_system) == false)
 336    {
 337       if (_config->FindB("version") == true)
 338          ShowHelp(CmdL);
 339       _error->DumpErrors();
 340       return 100;
 341    }
 342
 343    // See if the help should be shown
 344    if (_config->FindB("help") == true ||
 345        _config->FindB("version") == true ||
 346        CmdL.FileSize() == 0)
 347    {
 348       ShowHelp(CmdL);
 349       return 0;
 350    }
 351
 352    // Deal with stdout not being a tty
 353    if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
 354       _config->Set("quiet","1");
 355
 356    // Setup the output streams
 357    c0out.rdbuf(cout.rdbuf());
 358    c1out.rdbuf(cout.rdbuf());
 359    c2out.rdbuf(cout.rdbuf());
 360    if (_config->FindI("quiet",0) > 0)
 361       c0out.rdbuf(devnull.rdbuf());
 362    if (_config->FindI("quiet",0) > 1)
 363       c1out.rdbuf(devnull.rdbuf());
 364
 365    // Match the operation
 366    CmdL.DispatchArg(Cmds);
 367
 368    // Print any errors or warnings found during parsing
 369    bool const Errors = _error->PendingError();
 370    if (_config->FindI("quiet",0) > 0)
 371       _error->DumpErrors();
 372    else
 373       _error->DumpErrors(GlobalError::DEBUG);
 374    return Errors == true ? 100 : 0;
 375 }
 376                                                                         /*}}}*/