[apt.git] / cmdline / apt-mark.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
/* #####################################################################
   apt-mark - show and change auto-installed bit information
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include <config.h>

#include <apt-pkg/cachefile.h>
#include <apt-pkg/cacheset.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/init.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/macros.h>
#include <apt-pkg/pkgcache.h>

#include <apt-private/private-cmndline.h>
#include <apt-private/private-output.h>

#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include <algorithm>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

#include <apti18n.h>
									/*}}}*/
using namespace std;

/* DoAuto - mark packages as automatically/manually installed		{{{*/
static bool DoAuto(CommandLine &CmdL)
{
   pkgCacheFile CacheFile;
   pkgCache *Cache = CacheFile.GetPkgCache();
   pkgDepCache *DepCache = CacheFile.GetDepCache();
   if (unlikely(Cache == NULL || DepCache == NULL))
      return false;

   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
   if (pkgset.empty() == true)
      return _error->Error(_("No packages found"));

   bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
   int AutoMarkChanged = 0;

   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
   {
      if (Pkg->CurrentVer == 0)
      {
	 ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
	 continue;
      }
      else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
      {
	 if (MarkAuto == false)
	    ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
	 else
	    ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
	 continue;
      }

      if (MarkAuto == false)
	 ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
      else
	 ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());

      DepCache->MarkAuto(Pkg, MarkAuto);
      ++AutoMarkChanged;
   }
   if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
      return DepCache->writeStateFile(NULL);
   return true;
}
									/*}}}*/
/* DoMarkAuto - mark packages as automatically/manually installed	{{{*/
/* Does the same as DoAuto but tries to do it exactly the same why as
   the python implementation did it so it can be a drop-in replacement */
static bool DoMarkAuto(CommandLine &CmdL)
{
   pkgCacheFile CacheFile;
   pkgCache *Cache = CacheFile.GetPkgCache();
   pkgDepCache *DepCache = CacheFile.GetDepCache();
   if (unlikely(Cache == NULL || DepCache == NULL))
      return false;

   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
   if (pkgset.empty() == true)
      return _error->Error(_("No packages found"));

   bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
   bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
   int AutoMarkChanged = 0;

   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
   {
      if (Pkg->CurrentVer == 0 ||
	  (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	 continue;

      if (Verbose == true)
	 ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);

      DepCache->MarkAuto(Pkg, MarkAuto);
      ++AutoMarkChanged;
   }
   if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
      return DepCache->writeStateFile(NULL);

   _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));

   return true;
}
									/*}}}*/
/* ShowAuto - show automatically installed packages (sorted)		{{{*/
static bool ShowAuto(CommandLine &CmdL)
{
   pkgCacheFile CacheFile;
   pkgCache *Cache = CacheFile.GetPkgCache();
   pkgDepCache *DepCache = CacheFile.GetDepCache();
   if (unlikely(Cache == NULL || DepCache == NULL))
      return false;

   std::vector<string> packages;

   bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;

   if (CmdL.FileList[1] == 0)
   {
      packages.reserve(Cache->HeaderP->PackageCount / 3);
      for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	 if (P->CurrentVer != 0 &&
	     (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	    packages.push_back(P.FullName(true));
   }
   else
   {
      APT::CacheSetHelper helper(false); // do not show errors
      APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
      packages.reserve(pkgset.size());
      for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	 if (P->CurrentVer != 0 &&
	     (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	    packages.push_back(P.FullName(true));
   }

   std::sort(packages.begin(), packages.end());

   for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
      std::cout << *I << std::endl;

   return true;
}
									/*}}}*/
/* DoHold - mark packages as hold by dpkg				{{{*/
static bool DoHold(CommandLine &CmdL)
{
   pkgCacheFile CacheFile;
   pkgCache *Cache = CacheFile.GetPkgCache();
   if (unlikely(Cache == NULL))
      return false;

   // Generate the base argument list for dpkg
   std::vector<const char *> Args;
   string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
   {
      string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
      size_t dpkgChrootLen = dpkgChrootDir.length();
      if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
      {
	 if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
	    --dpkgChrootLen;
	 Tmp = Tmp.substr(dpkgChrootLen);
      }
   }
   Args.push_back(Tmp.c_str());

   // Stick in any custom dpkg options
   Configuration::Item const *Opts = _config->Tree("DPkg::Options");
   if (Opts != 0)
   {
      Opts = Opts->Child;
      for (; Opts != 0; Opts = Opts->Next)
      {
	 if (Opts->Value.empty() == true)
	    continue;
	 Args.push_back(Opts->Value.c_str());
      }
   }

   size_t const BaseArgs = Args.size();
   // we need to detect if we can qualify packages with the architecture or not
   Args.push_back("--assert-multi-arch");
   Args.push_back(NULL);


   pid_t dpkgAssertMultiArch = ExecFork();
   if (dpkgAssertMultiArch == 0)
   {
      std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
      // redirect everything to the ultimate sink as we only need the exit-status
      int const nullfd = open("/dev/null", O_RDONLY);
      dup2(nullfd, STDIN_FILENO);
      dup2(nullfd, STDOUT_FILENO);
      dup2(nullfd, STDERR_FILENO);
      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
	 _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
      execvp(Args[0], (char**) &Args[0]);
      _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
      _exit(2);
   }

   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
   if (pkgset.empty() == true)
      return _error->Error(_("No packages found"));

   bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;

   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();)
   {
      if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
      {
	 if (MarkHold == true)
	    ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
	 else
	    ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
	 Pkg = pkgset.erase(Pkg, true);
      }
      else
	 ++Pkg;
   }

   bool dpkgMultiArch = false;
   if (dpkgAssertMultiArch > 0)
   {
      int Status = 0;
      while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
      {
	 if (errno == EINTR)
	    continue;
	 _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
	 break;
      }
      if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	 dpkgMultiArch = true;
   }

   if (pkgset.empty() == true)
      return true;

   if (_config->FindB("APT::Mark::Simulate", false) == true)
   {
      for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
      {
	 if (MarkHold == false)
	    ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	 else
	    ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
      }
      return true;
   }

   Args.erase(Args.begin() + BaseArgs, Args.end());
   Args.push_back("--merge-avail");
   Args.push_back("-");
   Args.push_back(NULL);

   int external[2] = {-1, -1};
   if (pipe(external) != 0)
      return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --merge-avail");

   pid_t dpkgMergeAvail = ExecFork();
   if (dpkgMergeAvail == 0)
   {
      close(external[1]);
      std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
	 _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --merge-avail", chrootDir.c_str());
      dup2(external[0], STDIN_FILENO);
      int const nullfd = open("/dev/null", O_RDONLY);
      dup2(nullfd, STDOUT_FILENO);
      execvp(Args[0], (char**) &Args[0]);
      _error->WarningE("dpkgGo", "Can't get dpkg --merge-avail running!");
      _exit(2);
   }

   FILE* dpkg = fdopen(external[1], "w");
   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
   {
      if (Pkg->CurrentVer != 0)
	 continue;
      char const * Arch;
      if (Pkg->VersionList != 0)
	 Arch = Pkg.VersionList().Arch();
      else
	 Arch = Pkg.Arch();
      fprintf(dpkg, "Package: %s\nVersion: 0~\nArchitecture: %s\nMaintainer: Dummy Example <dummy@example.org>\n"
	    "Description: dummy package record\n A record is needed to put a package on hold, so here it is.\n\n", Pkg.Name(), Arch);
   }
   fclose(dpkg);

   if (dpkgMergeAvail > 0)
   {
      int Status = 0;
      while (waitpid(dpkgMergeAvail, &Status, 0) != dpkgMergeAvail)
      {
	 if (errno == EINTR)
	    continue;
	 _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --merge-avail");
	 break;
      }
      if (WIFEXITED(Status) == false || WEXITSTATUS(Status) != 0)
	 return _error->Error(_("Executing dpkg failed. Are you root?"));
   }

   Args.erase(Args.begin() + BaseArgs, Args.end());
   Args.push_back("--set-selections");
   Args.push_back(NULL);

   external[0] = -1;
   external[1] = -1;
   if (pipe(external) != 0)
      return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");

   pid_t dpkgSelection = ExecFork();
   if (dpkgSelection == 0)
   {
      close(external[1]);
      std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
	 _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
      dup2(external[0], STDIN_FILENO);
      execvp(Args[0], (char**) &Args[0]);
      _error->WarningE("dpkgGo", "Can't get dpkg --set-selections running!");
      _exit(2);
   }

   dpkg = fdopen(external[1], "w");
   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
   {
      if (dpkgMultiArch == false)
	 fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
      else
      {
	 if (Pkg->CurrentVer != 0)
	    fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
	 else if (Pkg.VersionList().end() == false)
	    fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
	 else
	    fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
      }

      if (MarkHold == true)
      {
	 fprintf(dpkg, " hold\n");
	 ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
      }
      else
      {
	 fprintf(dpkg, " install\n");
	 ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
      }
   }
   fclose(dpkg);

   if (dpkgSelection > 0)
   {
      int Status = 0;
      while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
      {
	 if (errno == EINTR)
	    continue;
	 _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
	 break;
      }
      if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	 return true;
   }
   return _error->Error(_("Executing dpkg failed. Are you root?"));
}
									/*}}}*/
/* ShowHold - show packages set on hold in dpkg status			{{{*/
static bool ShowHold(CommandLine &CmdL)
{
   pkgCacheFile CacheFile;
   pkgCache *Cache = CacheFile.GetPkgCache();
   if (unlikely(Cache == NULL))
      return false;

   std::vector<string> packages;

   if (CmdL.FileList[1] == 0)
   {
      packages.reserve(50); // how many holds are realistic? I hope just a few…
      for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	 if (P->SelectedState == pkgCache::State::Hold)
	    packages.push_back(P.FullName(true));
   }
   else
   {
      APT::CacheSetHelper helper(false); // do not show errors
      APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
      packages.reserve(pkgset.size());
      for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	 if (P->SelectedState == pkgCache::State::Hold)
	    packages.push_back(P.FullName(true));
   }

   std::sort(packages.begin(), packages.end());

   for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
      std::cout << *I << std::endl;

   return true;
}
									/*}}}*/
// ShowHelp - Show a help screen					/*{{{*/
// ---------------------------------------------------------------------
/* */
static bool ShowHelp(CommandLine &)
{
   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
	    COMMON_ARCH,__DATE__,__TIME__);

   cout <<
    _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
      "\n"
      "apt-mark is a simple command line interface for marking packages\n"
      "as manually or automatically installed. It can also list marks.\n"
      "\n"
      "Commands:\n"
      "   auto - Mark the given packages as automatically installed\n"
      "   manual - Mark the given packages as manually installed\n"
      "   hold - Mark a package as held back\n"
      "   unhold - Unset a package set as held back\n"
      "   showauto - Print the list of automatically installed packages\n"
      "   showmanual - Print the list of manually installed packages\n"
      "   showhold - Print the list of package on hold\n"
      "\n"
      "Options:\n"
      "  -h  This help text.\n"
      "  -q  Loggable output - no progress indicator\n"
      "  -qq No output except for errors\n"
      "  -s  No-act. Just prints what would be done.\n"
      "  -f  read/write auto/manual marking in the given file\n"
      "  -c=? Read this configuration file\n"
      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
      "See the apt-mark(8) and apt.conf(5) manual pages for more information.")
      << std::endl;
   return true;
}
									/*}}}*/
int main(int argc,const char *argv[])					/*{{{*/
{
   CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
				   {"auto",&DoAuto},
				   {"manual",&DoAuto},
				   {"hold",&DoHold},
				   {"unhold",&DoHold},
				   {"showauto",&ShowAuto},
				   {"showmanual",&ShowAuto},
				   {"showhold",&ShowHold},
				   // be nice and forgive the typo
				   {"showholds",&ShowHold},
				   // be nice and forgive it as it is technical right
				   {"install",&DoHold},
				   // obsolete commands for compatibility
				   {"markauto", &DoMarkAuto},
				   {"unmarkauto", &DoMarkAuto},
                                   {0,0}};

   std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));

   // Set up gettext support
   setlocale(LC_ALL,"");
   textdomain(PACKAGE);

   CommandLine CmdL;
   ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);

   InitOutput();

   // Match the operation
   CmdL.DispatchArg(Cmds);

   // Print any errors or warnings found during parsing
   bool const Errors = _error->PendingError();
   if (_config->FindI("quiet",0) > 0)
      _error->DumpErrors();
   else
      _error->DumpErrors(GlobalError::DEBUG);
   return Errors == true ? 100 : 0;
}
									/*}}}*/
Commit	Line	Data
c98fb5e0 DK	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	/* #####################################################################
	4	apt-mark - show and change auto-installed bit information
	5	##################################################################### */
	6	/}}}/
	7	// Include Files /{{{/
ea542140 DK	8	#include <config.h>
ea542140 DK	9
c98fb5e0 DK	10	#include <apt-pkg/cachefile.h>
	11	#include <apt-pkg/cacheset.h>
	12	#include <apt-pkg/cmndline.h>
	13	#include <apt-pkg/error.h>
453b82a3	14	#include <apt-pkg/fileutl.h>
c98fb5e0	15	#include <apt-pkg/init.h>
472ff00e	16	#include <apt-pkg/pkgsystem.h>
453b82a3 DK	17	#include <apt-pkg/strutl.h>
	18	#include <apt-pkg/cacheiterators.h>
	19	#include <apt-pkg/configuration.h>
	20	#include <apt-pkg/depcache.h>
	21	#include <apt-pkg/macros.h>
	22	#include <apt-pkg/pkgcache.h>
	23
	24	#include <apt-private/private-cmndline.h>
d9e518c6	25	#include <apt-private/private-output.h>
c98fb5e0	26
6fddb156	27	#include <errno.h>
6fddb156	28	#include <fcntl.h>
453b82a3 DK	29	#include <stddef.h>
	30	#include <stdio.h>
	31	#include <stdlib.h>
	32	#include <string.h>
	33	#include <sys/wait.h>
	34	#include <unistd.h>
	35	#include <algorithm>
	36	#include <fstream>
	37	#include <iostream>
	38	#include <string>
	39	#include <vector>
b9179170	40
ea542140	41	#include <apti18n.h>
c98fb5e0 DK	42	/}}}/
	43	using namespace std;
	44
c98fb5e0	45	/* DoAuto - mark packages as automatically/manually installed {{{*/
c3ccac92	46	static bool DoAuto(CommandLine &CmdL)
c98fb5e0 DK	47	{
	48	pkgCacheFile CacheFile;
	49	pkgCache *Cache = CacheFile.GetPkgCache();
	50	pkgDepCache *DepCache = CacheFile.GetDepCache();
	51	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	52	return false;
	53
c4cca791	54	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	55	if (pkgset.empty() == true)
	56	return _error->Error(_("No packages found"));
	57
	58	bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
	59	int AutoMarkChanged = 0;
	60
c4cca791	61	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	62	{
	63	if (Pkg->CurrentVer == 0)
	64	{
	65	ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
	66	continue;
	67	}
	68	else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	69	{
	70	if (MarkAuto == false)
	71	ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
	72	else
	73	ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
	74	continue;
	75	}
	76
	77	if (MarkAuto == false)
	78	ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
	79	else
	80	ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
	81
	82	DepCache->MarkAuto(Pkg, MarkAuto);
	83	++AutoMarkChanged;
	84	}
	85	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	86	return DepCache->writeStateFile(NULL);
	87	return true;
	88	}
	89	/}}}/
	90	/* DoMarkAuto - mark packages as automatically/manually installed {{{*/
	91	/* Does the same as DoAuto but tries to do it exactly the same why as
	92	the python implementation did it so it can be a drop-in replacement */
c3ccac92	93	static bool DoMarkAuto(CommandLine &CmdL)
c98fb5e0 DK	94	{
	95	pkgCacheFile CacheFile;
	96	pkgCache *Cache = CacheFile.GetPkgCache();
	97	pkgDepCache *DepCache = CacheFile.GetDepCache();
	98	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	99	return false;
	100
c4cca791	101	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	102	if (pkgset.empty() == true)
	103	return _error->Error(_("No packages found"));
	104
	105	bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
	106	bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
	107	int AutoMarkChanged = 0;
	108
c4cca791	109	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	110	{
	111	if (Pkg->CurrentVer == 0 \|\|
	112	(((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	113	continue;
	114
	115	if (Verbose == true)
	116	ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
	117
	118	DepCache->MarkAuto(Pkg, MarkAuto);
	119	++AutoMarkChanged;
	120	}
	121	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	122	return DepCache->writeStateFile(NULL);
	123
	124	_error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
	125
	126	return true;
	127	}
	128	/}}}/
	129	/* ShowAuto - show automatically installed packages (sorted) {{{*/
c3ccac92	130	static bool ShowAuto(CommandLine &CmdL)
c98fb5e0 DK	131	{
	132	pkgCacheFile CacheFile;
	133	pkgCache *Cache = CacheFile.GetPkgCache();
	134	pkgDepCache *DepCache = CacheFile.GetDepCache();
	135	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	136	return false;
	137
	138	std::vector<string> packages;
	139
	140	bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
	141
	142	if (CmdL.FileList[1] == 0)
	143	{
	144	packages.reserve(Cache->HeaderP->PackageCount / 3);
	145	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	146	if (P->CurrentVer != 0 &&
	147	(((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	148	packages.push_back(P.FullName(true));
	149	}
	150	else
	151	{
	152	APT::CacheSetHelper helper(false); // do not show errors
	153	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	154	packages.reserve(pkgset.size());
	155	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	156	if (P->CurrentVer != 0 &&
	157	(((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	158	packages.push_back(P.FullName(true));
	159	}
	160
	161	std::sort(packages.begin(), packages.end());
	162
a09e4489 DK	163	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	164	std::cout << *I << std::endl;
	165
	166	return true;
	167	}
	168	/}}}/
	169	/* DoHold - mark packages as hold by dpkg {{{*/
c3ccac92	170	static bool DoHold(CommandLine &CmdL)
a09e4489 DK	171	{
	172	pkgCacheFile CacheFile;
	173	pkgCache *Cache = CacheFile.GetPkgCache();
	174	if (unlikely(Cache == NULL))
	175	return false;
	176
6fddb156 DK	177	// Generate the base argument list for dpkg
	178	std::vector<const char *> Args;
	179	string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
	180	{
	181	string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
	182	size_t dpkgChrootLen = dpkgChrootDir.length();
	183	if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
	184	{
	185	if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
	186	--dpkgChrootLen;
	187	Tmp = Tmp.substr(dpkgChrootLen);
	188	}
	189	}
	190	Args.push_back(Tmp.c_str());
	191
	192	// Stick in any custom dpkg options
	193	Configuration::Item const *Opts = _config->Tree("DPkg::Options");
	194	if (Opts != 0)
	195	{
	196	Opts = Opts->Child;
	197	for (; Opts != 0; Opts = Opts->Next)
	198	{
	199	if (Opts->Value.empty() == true)
	200	continue;
	201	Args.push_back(Opts->Value.c_str());
	202	}
	203	}
	204
	205	size_t const BaseArgs = Args.size();
	206	// we need to detect if we can qualify packages with the architecture or not
	207	Args.push_back("--assert-multi-arch");
	208	Args.push_back(NULL);
	209
	210
	211	pid_t dpkgAssertMultiArch = ExecFork();
	212	if (dpkgAssertMultiArch == 0)
	213	{
	214	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
6fddb156 DK	215	// redirect everything to the ultimate sink as we only need the exit-status
	216	int const nullfd = open("/dev/null", O_RDONLY);
	217	dup2(nullfd, STDIN_FILENO);
	218	dup2(nullfd, STDOUT_FILENO);
	219	dup2(nullfd, STDERR_FILENO);
2510eea4	220	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
36a0c0f7	221	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
6fddb156 DK	222	execvp(Args[0], (char**) &Args[0]);
	223	_error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
	224	_exit(2);
	225	}
	226
c4cca791	227	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
a09e4489 DK	228	if (pkgset.empty() == true)
	229	return _error->Error(_("No packages found"));
	230
	231	bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
	232
5eb9a474	233	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();)
a09e4489 DK	234	{
	235	if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
	236	{
	237	if (MarkHold == true)
	238	ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
	239	else
	240	ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
5eb9a474	241	Pkg = pkgset.erase(Pkg, true);
a09e4489	242	}
5eb9a474 DK	243	else
5eb9a474 DK	244	++Pkg;
a09e4489 DK	245	}
a09e4489 DK	246
6fddb156 DK	247	bool dpkgMultiArch = false;
	248	if (dpkgAssertMultiArch > 0)
	249	{
	250	int Status = 0;
	251	while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
	252	{
	253	if (errno == EINTR)
	254	continue;
	255	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
	256	break;
	257	}
	258	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	259	dpkgMultiArch = true;
	260	}
	261
a09e4489 DK	262	if (pkgset.empty() == true)
	263	return true;
	264
	265	if (_config->FindB("APT::Mark::Simulate", false) == true)
	266	{
c4cca791	267	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489 DK	268	{
	269	if (MarkHold == false)
	270	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	271	else
	272	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	273	}
	274	return true;
	275	}
	276
6fddb156	277	Args.erase(Args.begin() + BaseArgs, Args.end());
374f8492 DK	278	Args.push_back("--merge-avail");
374f8492 DK	279	Args.push_back("-");
6fddb156 DK	280	Args.push_back(NULL);
	281
	282	int external[2] = {-1, -1};
374f8492 DK	283	if (pipe(external) != 0)
	284	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --merge-avail");
	285
	286	pid_t dpkgMergeAvail = ExecFork();
	287	if (dpkgMergeAvail == 0)
	288	{
	289	close(external[1]);
	290	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
	291	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
	292	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --merge-avail", chrootDir.c_str());
	293	dup2(external[0], STDIN_FILENO);
	294	int const nullfd = open("/dev/null", O_RDONLY);
	295	dup2(nullfd, STDOUT_FILENO);
	296	execvp(Args[0], (char**) &Args[0]);
	297	_error->WarningE("dpkgGo", "Can't get dpkg --merge-avail running!");
	298	_exit(2);
	299	}
	300
	301	FILE* dpkg = fdopen(external[1], "w");
	302	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
	303	{
	304	if (Pkg->CurrentVer != 0)
	305	continue;
	306	char const * Arch;
	307	if (Pkg->VersionList != 0)
	308	Arch = Pkg.VersionList().Arch();
	309	else
	310	Arch = Pkg.Arch();
	311	fprintf(dpkg, "Package: %s\nVersion: 0~\nArchitecture: %s\nMaintainer: Dummy Example <dummy@example.org>\n"
	312	"Description: dummy package record\n A record is needed to put a package on hold, so here it is.\n\n", Pkg.Name(), Arch);
	313	}
	314	fclose(dpkg);
	315
	316	if (dpkgMergeAvail > 0)
	317	{
	318	int Status = 0;
	319	while (waitpid(dpkgMergeAvail, &Status, 0) != dpkgMergeAvail)
	320	{
	321	if (errno == EINTR)
	322	continue;
	323	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --merge-avail");
	324	break;
	325	}
	326	if (WIFEXITED(Status) == false \|\| WEXITSTATUS(Status) != 0)
	327	return _error->Error(_("Executing dpkg failed. Are you root?"));
	328	}
	329
	330	Args.erase(Args.begin() + BaseArgs, Args.end());
	331	Args.push_back("--set-selections");
	332	Args.push_back(NULL);
	333
	334	external[0] = -1;
	335	external[1] = -1;
6fddb156 DK	336	if (pipe(external) != 0)
	337	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");
	338
	339	pid_t dpkgSelection = ExecFork();
	340	if (dpkgSelection == 0)
	341	{
	342	close(external[1]);
	343	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
2510eea4	344	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
6fddb156	345	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
5834d7a1	346	dup2(external[0], STDIN_FILENO);
6fddb156	347	execvp(Args[0], (char**) &Args[0]);
374f8492	348	_error->WarningE("dpkgGo", "Can't get dpkg --set-selections running!");
6fddb156 DK	349	_exit(2);
6fddb156 DK	350	}
a09e4489	351
374f8492	352	dpkg = fdopen(external[1], "w");
c4cca791	353	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489	354	{
b855a400 DK	355	if (dpkgMultiArch == false)
	356	fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
	357	else
	358	{
	359	if (Pkg->CurrentVer != 0)
	360	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
	361	else if (Pkg.VersionList().end() == false)
	362	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
	363	else
	364	fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
	365	}
	366
a09e4489 DK	367	if (MarkHold == true)
a09e4489 DK	368	{
b855a400	369	fprintf(dpkg, " hold\n");
a09e4489 DK	370	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	371	}
	372	else
	373	{
b855a400	374	fprintf(dpkg, " install\n");
a09e4489 DK	375	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	376	}
	377	}
6fddb156	378	fclose(dpkg);
a09e4489	379
6fddb156 DK	380	if (dpkgSelection > 0)
	381	{
	382	int Status = 0;
	383	while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
	384	{
	385	if (errno == EINTR)
	386	continue;
	387	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
	388	break;
	389	}
	390	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	391	return true;
	392	}
	393	return _error->Error(_("Executing dpkg failed. Are you root?"));
a09e4489 DK	394	}
	395	/}}}/
	396	/* ShowHold - show packages set on hold in dpkg status {{{*/
c3ccac92	397	static bool ShowHold(CommandLine &CmdL)
a09e4489 DK	398	{
	399	pkgCacheFile CacheFile;
	400	pkgCache *Cache = CacheFile.GetPkgCache();
	401	if (unlikely(Cache == NULL))
	402	return false;
	403
	404	std::vector<string> packages;
	405
	406	if (CmdL.FileList[1] == 0)
	407	{
	408	packages.reserve(50); // how many holds are realistic? I hope just a few…
	409	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	410	if (P->SelectedState == pkgCache::State::Hold)
	411	packages.push_back(P.FullName(true));
	412	}
	413	else
	414	{
	415	APT::CacheSetHelper helper(false); // do not show errors
	416	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	417	packages.reserve(pkgset.size());
	418	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	419	if (P->SelectedState == pkgCache::State::Hold)
	420	packages.push_back(P.FullName(true));
	421	}
	422
	423	std::sort(packages.begin(), packages.end());
	424
c98fb5e0 DK	425	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	426	std::cout << *I << std::endl;
	427
	428	return true;
	429	}
	430	/}}}/
	431	// ShowHelp - Show a help screen /{{{/
	432	// ---------------------------------------------------------------------
	433	/* */
65512241	434	static bool ShowHelp(CommandLine &)
c98fb5e0	435	{
9179f697	436	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
c98fb5e0 DK	437	COMMON_ARCH,__DATE__,__TIME__);
	438
	439	cout <<
	440	_("Usage: apt-mark [options] {auto\|manual} pkg1 [pkg2 ...]\n"
	441	"\n"
	442	"apt-mark is a simple command line interface for marking packages\n"
3999d158	443	"as manually or automatically installed. It can also list marks.\n"
c98fb5e0 DK	444	"\n"
	445	"Commands:\n"
	446	" auto - Mark the given packages as automatically installed\n"
	447	" manual - Mark the given packages as manually installed\n"
1aef66d5 MV	448	" hold - Mark a package as held back\n"
	449	" unhold - Unset a package set as held back\n"
	450	" showauto - Print the list of automatically installed packages\n"
	451	" showmanual - Print the list of manually installed packages\n"
	452	" showhold - Print the list of package on hold\n"
c98fb5e0 DK	453	"\n"
	454	"Options:\n"
	455	" -h This help text.\n"
	456	" -q Loggable output - no progress indicator\n"
	457	" -qq No output except for errors\n"
	458	" -s No-act. Just prints what would be done.\n"
	459	" -f read/write auto/manual marking in the given file\n"
	460	" -c=? Read this configuration file\n"
	461	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
	462	"See the apt-mark(8) and apt.conf(5) manual pages for more information.")
	463	<< std::endl;
	464	return true;
	465	}
	466	/}}}/
	467	int main(int argc,const char argv[]) /{{{*/
	468	{
c98fb5e0 DK	469	CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
	470	{"auto",&DoAuto},
	471	{"manual",&DoAuto},
a09e4489 DK	472	{"hold",&DoHold},
a09e4489 DK	473	{"unhold",&DoHold},
c98fb5e0 DK	474	{"showauto",&ShowAuto},
c98fb5e0 DK	475	{"showmanual",&ShowAuto},
a09e4489 DK	476	{"showhold",&ShowHold},
	477	// be nice and forgive the typo
	478	{"showholds",&ShowHold},
	479	// be nice and forgive it as it is technical right
	480	{"install",&DoHold},
c98fb5e0 DK	481	// obsolete commands for compatibility
	482	{"markauto", &DoMarkAuto},
	483	{"unmarkauto", &DoMarkAuto},
	484	{0,0}};
	485
b9179170 MV	486	std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));
b9179170 MV	487
c98fb5e0 DK	488	// Set up gettext support
	489	setlocale(LC_ALL,"");
	490	textdomain(PACKAGE);
	491
ad7e0941 DK	492	CommandLine CmdL;
ad7e0941 DK	493	ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);
c98fb5e0	494
d9e518c6	495	InitOutput();
c98fb5e0 DK	496
	497	// Match the operation
	498	CmdL.DispatchArg(Cmds);
	499
	500	// Print any errors or warnings found during parsing
	501	bool const Errors = _error->PendingError();
	502	if (_config->FindI("quiet",0) > 0)
	503	_error->DumpErrors();
	504	else
	505	_error->DumpErrors(GlobalError::DEBUG);
	506	return Errors == true ? 100 : 0;
	507	}
	508	/}}}/