[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 <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;

ostream c0out(0);
ostream c1out(0);
ostream c2out(0);
ofstream devnull("/dev/null");
/* 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("--set-selections");
   Args.push_back(NULL);

   int external[2] = {-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());
      int const nullfd = open("/dev/null", O_RDONLY);
      dup2(external[0], STDIN_FILENO);
      dup2(nullfd, STDOUT_FILENO);
      dup2(nullfd, STDERR_FILENO);
      execvp(Args[0], (char**) &Args[0]);
      _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
      _exit(2);
   }

   FILE* 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);

   // Parse the command line and initialize the package library
   CommandLine CmdL(Args.data(),_config);
   if (pkgInitConfig(*_config) == false ||
       CmdL.Parse(argc,argv) == false ||
       pkgInitSystem(*_config,_system) == false)
   {
      if (_config->FindB("version") == true)
	 ShowHelp(CmdL);
      _error->DumpErrors();
      return 100;
   }

   // See if the help should be shown
   if (_config->FindB("help") == true ||
       _config->FindB("version") == true ||
       CmdL.FileSize() == 0)
   {
      ShowHelp(CmdL);
      return 0;
   }

   // Deal with stdout not being a tty
   if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
      _config->Set("quiet","1");

   // Setup the output streams
   c0out.rdbuf(cout.rdbuf());
   c1out.rdbuf(cout.rdbuf());
   c2out.rdbuf(cout.rdbuf());
   if (_config->FindI("quiet",0) > 0)
      c0out.rdbuf(devnull.rdbuf());
   if (_config->FindI("quiet",0) > 1)
      c1out.rdbuf(devnull.rdbuf());

   // 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>
c98fb5e0	25
6fddb156	26	#include <errno.h>
6fddb156	27	#include <fcntl.h>
453b82a3 DK	28	#include <stddef.h>
	29	#include <stdio.h>
	30	#include <stdlib.h>
	31	#include <string.h>
	32	#include <sys/wait.h>
	33	#include <unistd.h>
	34	#include <algorithm>
	35	#include <fstream>
	36	#include <iostream>
	37	#include <string>
	38	#include <vector>
b9179170	39
ea542140	40	#include <apti18n.h>
c98fb5e0 DK	41	/}}}/
	42	using namespace std;
	43
	44	ostream c0out(0);
	45	ostream c1out(0);
	46	ostream c2out(0);
	47	ofstream devnull("/dev/null");
	48	/* DoAuto - mark packages as automatically/manually installed {{{*/
c3ccac92	49	static bool DoAuto(CommandLine &CmdL)
c98fb5e0 DK	50	{
	51	pkgCacheFile CacheFile;
	52	pkgCache *Cache = CacheFile.GetPkgCache();
	53	pkgDepCache *DepCache = CacheFile.GetDepCache();
	54	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	55	return false;
	56
c4cca791	57	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	58	if (pkgset.empty() == true)
	59	return _error->Error(_("No packages found"));
	60
	61	bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
	62	int AutoMarkChanged = 0;
	63
c4cca791	64	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	65	{
	66	if (Pkg->CurrentVer == 0)
	67	{
	68	ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
	69	continue;
	70	}
	71	else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	72	{
	73	if (MarkAuto == false)
	74	ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
	75	else
	76	ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
	77	continue;
	78	}
	79
	80	if (MarkAuto == false)
	81	ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
	82	else
	83	ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
	84
	85	DepCache->MarkAuto(Pkg, MarkAuto);
	86	++AutoMarkChanged;
	87	}
	88	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	89	return DepCache->writeStateFile(NULL);
	90	return true;
	91	}
	92	/}}}/
	93	/* DoMarkAuto - mark packages as automatically/manually installed {{{*/
	94	/* Does the same as DoAuto but tries to do it exactly the same why as
	95	the python implementation did it so it can be a drop-in replacement */
c3ccac92	96	static bool DoMarkAuto(CommandLine &CmdL)
c98fb5e0 DK	97	{
	98	pkgCacheFile CacheFile;
	99	pkgCache *Cache = CacheFile.GetPkgCache();
	100	pkgDepCache *DepCache = CacheFile.GetDepCache();
	101	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	102	return false;
	103
c4cca791	104	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	105	if (pkgset.empty() == true)
	106	return _error->Error(_("No packages found"));
	107
	108	bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
	109	bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
	110	int AutoMarkChanged = 0;
	111
c4cca791	112	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	113	{
	114	if (Pkg->CurrentVer == 0 \|\|
	115	(((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	116	continue;
	117
	118	if (Verbose == true)
	119	ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
	120
	121	DepCache->MarkAuto(Pkg, MarkAuto);
	122	++AutoMarkChanged;
	123	}
	124	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	125	return DepCache->writeStateFile(NULL);
	126
	127	_error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
	128
	129	return true;
	130	}
	131	/}}}/
	132	/* ShowAuto - show automatically installed packages (sorted) {{{*/
c3ccac92	133	static bool ShowAuto(CommandLine &CmdL)
c98fb5e0 DK	134	{
	135	pkgCacheFile CacheFile;
	136	pkgCache *Cache = CacheFile.GetPkgCache();
	137	pkgDepCache *DepCache = CacheFile.GetDepCache();
	138	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	139	return false;
	140
	141	std::vector<string> packages;
	142
	143	bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
	144
	145	if (CmdL.FileList[1] == 0)
	146	{
	147	packages.reserve(Cache->HeaderP->PackageCount / 3);
	148	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	149	if (P->CurrentVer != 0 &&
	150	(((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	151	packages.push_back(P.FullName(true));
	152	}
	153	else
	154	{
	155	APT::CacheSetHelper helper(false); // do not show errors
	156	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	157	packages.reserve(pkgset.size());
	158	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	159	if (P->CurrentVer != 0 &&
	160	(((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	161	packages.push_back(P.FullName(true));
	162	}
	163
	164	std::sort(packages.begin(), packages.end());
	165
a09e4489 DK	166	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	167	std::cout << *I << std::endl;
	168
	169	return true;
	170	}
	171	/}}}/
	172	/* DoHold - mark packages as hold by dpkg {{{*/
c3ccac92	173	static bool DoHold(CommandLine &CmdL)
a09e4489 DK	174	{
	175	pkgCacheFile CacheFile;
	176	pkgCache *Cache = CacheFile.GetPkgCache();
	177	if (unlikely(Cache == NULL))
	178	return false;
	179
6fddb156 DK	180	// Generate the base argument list for dpkg
	181	std::vector<const char *> Args;
	182	string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
	183	{
	184	string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
	185	size_t dpkgChrootLen = dpkgChrootDir.length();
	186	if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
	187	{
	188	if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
	189	--dpkgChrootLen;
	190	Tmp = Tmp.substr(dpkgChrootLen);
	191	}
	192	}
	193	Args.push_back(Tmp.c_str());
	194
	195	// Stick in any custom dpkg options
	196	Configuration::Item const *Opts = _config->Tree("DPkg::Options");
	197	if (Opts != 0)
	198	{
	199	Opts = Opts->Child;
	200	for (; Opts != 0; Opts = Opts->Next)
	201	{
	202	if (Opts->Value.empty() == true)
	203	continue;
	204	Args.push_back(Opts->Value.c_str());
	205	}
	206	}
	207
	208	size_t const BaseArgs = Args.size();
	209	// we need to detect if we can qualify packages with the architecture or not
	210	Args.push_back("--assert-multi-arch");
	211	Args.push_back(NULL);
	212
	213
	214	pid_t dpkgAssertMultiArch = ExecFork();
	215	if (dpkgAssertMultiArch == 0)
	216	{
	217	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
6fddb156 DK	218	// redirect everything to the ultimate sink as we only need the exit-status
	219	int const nullfd = open("/dev/null", O_RDONLY);
	220	dup2(nullfd, STDIN_FILENO);
	221	dup2(nullfd, STDOUT_FILENO);
	222	dup2(nullfd, STDERR_FILENO);
2510eea4	223	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
36a0c0f7	224	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
6fddb156 DK	225	execvp(Args[0], (char**) &Args[0]);
	226	_error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
	227	_exit(2);
	228	}
	229
c4cca791	230	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
a09e4489 DK	231	if (pkgset.empty() == true)
	232	return _error->Error(_("No packages found"));
	233
	234	bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
	235
5eb9a474	236	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();)
a09e4489 DK	237	{
	238	if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
	239	{
	240	if (MarkHold == true)
	241	ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
	242	else
	243	ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
5eb9a474	244	Pkg = pkgset.erase(Pkg, true);
a09e4489	245	}
5eb9a474 DK	246	else
5eb9a474 DK	247	++Pkg;
a09e4489 DK	248	}
a09e4489 DK	249
6fddb156 DK	250	bool dpkgMultiArch = false;
	251	if (dpkgAssertMultiArch > 0)
	252	{
	253	int Status = 0;
	254	while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
	255	{
	256	if (errno == EINTR)
	257	continue;
	258	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
	259	break;
	260	}
	261	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	262	dpkgMultiArch = true;
	263	}
	264
a09e4489 DK	265	if (pkgset.empty() == true)
	266	return true;
	267
	268	if (_config->FindB("APT::Mark::Simulate", false) == true)
	269	{
c4cca791	270	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489 DK	271	{
	272	if (MarkHold == false)
	273	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	274	else
	275	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	276	}
	277	return true;
	278	}
	279
6fddb156 DK	280	Args.erase(Args.begin() + BaseArgs, Args.end());
	281	Args.push_back("--set-selections");
	282	Args.push_back(NULL);
	283
	284	int external[2] = {-1, -1};
	285	if (pipe(external) != 0)
	286	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");
	287
	288	pid_t dpkgSelection = ExecFork();
	289	if (dpkgSelection == 0)
	290	{
	291	close(external[1]);
	292	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
2510eea4	293	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
6fddb156 DK	294	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
6fddb156 DK	295	int const nullfd = open("/dev/null", O_RDONLY);
5834d7a1 DK	296	dup2(external[0], STDIN_FILENO);
5834d7a1 DK	297	dup2(nullfd, STDOUT_FILENO);
6fddb156 DK	298	dup2(nullfd, STDERR_FILENO);
	299	execvp(Args[0], (char**) &Args[0]);
	300	_error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
	301	_exit(2);
	302	}
a09e4489	303
6fddb156	304	FILE* dpkg = fdopen(external[1], "w");
c4cca791	305	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489	306	{
b855a400 DK	307	if (dpkgMultiArch == false)
	308	fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
	309	else
	310	{
	311	if (Pkg->CurrentVer != 0)
	312	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
	313	else if (Pkg.VersionList().end() == false)
	314	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
	315	else
	316	fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
	317	}
	318
a09e4489 DK	319	if (MarkHold == true)
a09e4489 DK	320	{
b855a400	321	fprintf(dpkg, " hold\n");
a09e4489 DK	322	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	323	}
	324	else
	325	{
b855a400	326	fprintf(dpkg, " install\n");
a09e4489 DK	327	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	328	}
	329	}
6fddb156	330	fclose(dpkg);
a09e4489	331
6fddb156 DK	332	if (dpkgSelection > 0)
	333	{
	334	int Status = 0;
	335	while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
	336	{
	337	if (errno == EINTR)
	338	continue;
	339	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
	340	break;
	341	}
	342	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	343	return true;
	344	}
	345	return _error->Error(_("Executing dpkg failed. Are you root?"));
a09e4489 DK	346	}
	347	/}}}/
	348	/* ShowHold - show packages set on hold in dpkg status {{{*/
c3ccac92	349	static bool ShowHold(CommandLine &CmdL)
a09e4489 DK	350	{
	351	pkgCacheFile CacheFile;
	352	pkgCache *Cache = CacheFile.GetPkgCache();
	353	if (unlikely(Cache == NULL))
	354	return false;
	355
	356	std::vector<string> packages;
	357
	358	if (CmdL.FileList[1] == 0)
	359	{
	360	packages.reserve(50); // how many holds are realistic? I hope just a few…
	361	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	362	if (P->SelectedState == pkgCache::State::Hold)
	363	packages.push_back(P.FullName(true));
	364	}
	365	else
	366	{
	367	APT::CacheSetHelper helper(false); // do not show errors
	368	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	369	packages.reserve(pkgset.size());
	370	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	371	if (P->SelectedState == pkgCache::State::Hold)
	372	packages.push_back(P.FullName(true));
	373	}
	374
	375	std::sort(packages.begin(), packages.end());
	376
c98fb5e0 DK	377	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	378	std::cout << *I << std::endl;
	379
	380	return true;
	381	}
	382	/}}}/
	383	// ShowHelp - Show a help screen /{{{/
	384	// ---------------------------------------------------------------------
	385	/* */
65512241	386	static bool ShowHelp(CommandLine &)
c98fb5e0	387	{
9179f697	388	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
c98fb5e0 DK	389	COMMON_ARCH,__DATE__,__TIME__);
	390
	391	cout <<
	392	_("Usage: apt-mark [options] {auto\|manual} pkg1 [pkg2 ...]\n"
	393	"\n"
	394	"apt-mark is a simple command line interface for marking packages\n"
3999d158	395	"as manually or automatically installed. It can also list marks.\n"
c98fb5e0 DK	396	"\n"
	397	"Commands:\n"
	398	" auto - Mark the given packages as automatically installed\n"
	399	" manual - Mark the given packages as manually installed\n"
1aef66d5 MV	400	" hold - Mark a package as held back\n"
	401	" unhold - Unset a package set as held back\n"
	402	" showauto - Print the list of automatically installed packages\n"
	403	" showmanual - Print the list of manually installed packages\n"
	404	" showhold - Print the list of package on hold\n"
c98fb5e0 DK	405	"\n"
	406	"Options:\n"
	407	" -h This help text.\n"
	408	" -q Loggable output - no progress indicator\n"
	409	" -qq No output except for errors\n"
	410	" -s No-act. Just prints what would be done.\n"
	411	" -f read/write auto/manual marking in the given file\n"
	412	" -c=? Read this configuration file\n"
	413	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
	414	"See the apt-mark(8) and apt.conf(5) manual pages for more information.")
	415	<< std::endl;
	416	return true;
	417	}
	418	/}}}/
	419	int main(int argc,const char argv[]) /{{{*/
	420	{
c98fb5e0 DK	421	CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
	422	{"auto",&DoAuto},
	423	{"manual",&DoAuto},
a09e4489 DK	424	{"hold",&DoHold},
a09e4489 DK	425	{"unhold",&DoHold},
c98fb5e0 DK	426	{"showauto",&ShowAuto},
c98fb5e0 DK	427	{"showmanual",&ShowAuto},
a09e4489 DK	428	{"showhold",&ShowHold},
	429	// be nice and forgive the typo
	430	{"showholds",&ShowHold},
	431	// be nice and forgive it as it is technical right
	432	{"install",&DoHold},
c98fb5e0 DK	433	// obsolete commands for compatibility
	434	{"markauto", &DoMarkAuto},
	435	{"unmarkauto", &DoMarkAuto},
	436	{0,0}};
	437
b9179170 MV	438	std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));
b9179170 MV	439
c98fb5e0 DK	440	// Set up gettext support
	441	setlocale(LC_ALL,"");
	442	textdomain(PACKAGE);
	443
	444	// Parse the command line and initialize the package library
b9179170	445	CommandLine CmdL(Args.data(),_config);
c98fb5e0 DK	446	if (pkgInitConfig(*_config) == false \|\|
	447	CmdL.Parse(argc,argv) == false \|\|
	448	pkgInitSystem(*_config,_system) == false)
	449	{
	450	if (_config->FindB("version") == true)
	451	ShowHelp(CmdL);
	452	_error->DumpErrors();
	453	return 100;
	454	}
	455
	456	// See if the help should be shown
	457	if (_config->FindB("help") == true \|\|
	458	_config->FindB("version") == true \|\|
	459	CmdL.FileSize() == 0)
	460	{
	461	ShowHelp(CmdL);
	462	return 0;
	463	}
	464
	465	// Deal with stdout not being a tty
	466	if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
	467	_config->Set("quiet","1");
	468
	469	// Setup the output streams
	470	c0out.rdbuf(cout.rdbuf());
	471	c1out.rdbuf(cout.rdbuf());
	472	c2out.rdbuf(cout.rdbuf());
	473	if (_config->FindI("quiet",0) > 0)
	474	c0out.rdbuf(devnull.rdbuf());
	475	if (_config->FindI("quiet",0) > 1)
	476	c1out.rdbuf(devnull.rdbuf());
	477
	478	// Match the operation
	479	CmdL.DispatchArg(Cmds);
	480
	481	// Print any errors or warnings found during parsing
	482	bool const Errors = _error->PendingError();
	483	if (_config->FindI("quiet",0) > 0)
	484	_error->DumpErrors();
	485	else
	486	_error->DumpErrors(GlobalError::DEBUG);
	487	return Errors == true ? 100 : 0;
	488	}
	489	/}}}/