[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/init.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/fileutl.h>

#include <algorithm>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>

#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		{{{*/
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 */
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)		{{{*/
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				{{{*/
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");
      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0)
	 _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
      // 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);
      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)
	 _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 (MarkHold == true)
      {
	 fprintf(dpkg, "%s hold\n", Pkg.FullName(!dpkgMultiArch).c_str());
	 ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
      }
      else
      {
	 fprintf(dpkg, "%s install\n", Pkg.FullName(!dpkgMultiArch).c_str());
	 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			{{{*/
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					/*{{{*/
// ---------------------------------------------------------------------
/* */
bool ShowHelp(CommandLine &CmdL)
{
   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 manual or automatical 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"
      "\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::Args Args[] = {
      {'h',"help","help",0},
      {0,"version","version",0},
      {'q',"quiet","quiet",CommandLine::IntLevel},
      {'q',"silent","quiet",CommandLine::IntLevel},
      {'v',"verbose","APT::MarkAuto::Verbose",0},
      {'s',"simulate","APT::Mark::Simulate",0},
      {'s',"just-print","APT::Mark::Simulate",0},
      {'s',"recon","APT::Mark::Simulate",0},
      {'s',"dry-run","APT::Mark::Simulate",0},
      {'s',"no-act","APT::Mark::Simulate",0},
      {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
      {'c',"config-file",0,CommandLine::ConfigFile},
      {'o',"option",0,CommandLine::ArbItem},
      {0,0,0,0}};
   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}};

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

   // Parse the command line and initialize the package library
   CommandLine CmdL(Args,_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>
	14	#include <apt-pkg/init.h>
	15	#include <apt-pkg/strutl.h>
472ff00e	16	#include <apt-pkg/pkgsystem.h>
6fddb156	17	#include <apt-pkg/fileutl.h>
c98fb5e0	18
c98fb5e0	19	#include <algorithm>
6fddb156	20	#include <errno.h>
e75aa333	21	#include <unistd.h>
6fddb156 DK	22	#include <sys/types.h>
	23	#include <sys/stat.h>
	24	#include <sys/wait.h>
	25	#include <fcntl.h>
ea542140 DK	26
ea542140 DK	27	#include <apti18n.h>
c98fb5e0 DK	28	/}}}/
	29	using namespace std;
	30
	31	ostream c0out(0);
	32	ostream c1out(0);
	33	ostream c2out(0);
	34	ofstream devnull("/dev/null");
	35	/* DoAuto - mark packages as automatically/manually installed {{{*/
	36	bool DoAuto(CommandLine &CmdL)
	37	{
	38	pkgCacheFile CacheFile;
	39	pkgCache *Cache = CacheFile.GetPkgCache();
	40	pkgDepCache *DepCache = CacheFile.GetDepCache();
	41	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	42	return false;
	43
c4cca791	44	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	45	if (pkgset.empty() == true)
	46	return _error->Error(_("No packages found"));
	47
	48	bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
	49	int AutoMarkChanged = 0;
	50
c4cca791	51	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	52	{
	53	if (Pkg->CurrentVer == 0)
	54	{
	55	ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str());
	56	continue;
	57	}
	58	else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	59	{
	60	if (MarkAuto == false)
	61	ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str());
	62	else
	63	ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str());
	64	continue;
	65	}
	66
	67	if (MarkAuto == false)
	68	ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str());
	69	else
	70	ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str());
	71
	72	DepCache->MarkAuto(Pkg, MarkAuto);
	73	++AutoMarkChanged;
	74	}
	75	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	76	return DepCache->writeStateFile(NULL);
	77	return true;
	78	}
	79	/}}}/
	80	/* DoMarkAuto - mark packages as automatically/manually installed {{{*/
	81	/* Does the same as DoAuto but tries to do it exactly the same why as
	82	the python implementation did it so it can be a drop-in replacement */
	83	bool DoMarkAuto(CommandLine &CmdL)
	84	{
	85	pkgCacheFile CacheFile;
	86	pkgCache *Cache = CacheFile.GetPkgCache();
	87	pkgDepCache *DepCache = CacheFile.GetDepCache();
	88	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	89	return false;
	90
c4cca791	91	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
c98fb5e0 DK	92	if (pkgset.empty() == true)
	93	return _error->Error(_("No packages found"));
	94
	95	bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0;
	96	bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
	97	int AutoMarkChanged = 0;
	98
c4cca791	99	for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
c98fb5e0 DK	100	{
	101	if (Pkg->CurrentVer == 0 \|\|
	102	(((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
	103	continue;
	104
	105	if (Verbose == true)
	106	ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1);
	107
	108	DepCache->MarkAuto(Pkg, MarkAuto);
	109	++AutoMarkChanged;
	110	}
	111	if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false)
	112	return DepCache->writeStateFile(NULL);
	113
	114	_error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead."));
	115
	116	return true;
	117	}
	118	/}}}/
	119	/* ShowAuto - show automatically installed packages (sorted) {{{*/
	120	bool ShowAuto(CommandLine &CmdL)
	121	{
	122	pkgCacheFile CacheFile;
	123	pkgCache *Cache = CacheFile.GetPkgCache();
	124	pkgDepCache *DepCache = CacheFile.GetDepCache();
	125	if (unlikely(Cache == NULL \|\| DepCache == NULL))
	126	return false;
	127
	128	std::vector<string> packages;
	129
	130	bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0;
	131
	132	if (CmdL.FileList[1] == 0)
	133	{
	134	packages.reserve(Cache->HeaderP->PackageCount / 3);
	135	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	136	if (P->CurrentVer != 0 &&
	137	(((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto)
	138	packages.push_back(P.FullName(true));
	139	}
	140	else
	141	{
	142	APT::CacheSetHelper helper(false); // do not show errors
	143	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	144	packages.reserve(pkgset.size());
	145	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++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
	151	std::sort(packages.begin(), packages.end());
	152
a09e4489 DK	153	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	154	std::cout << *I << std::endl;
	155
	156	return true;
	157	}
	158	/}}}/
	159	/* DoHold - mark packages as hold by dpkg {{{*/
	160	bool DoHold(CommandLine &CmdL)
	161	{
	162	pkgCacheFile CacheFile;
	163	pkgCache *Cache = CacheFile.GetPkgCache();
	164	if (unlikely(Cache == NULL))
	165	return false;
	166
6fddb156 DK	167	// Generate the base argument list for dpkg
	168	std::vector<const char *> Args;
	169	string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
	170	{
	171	string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
	172	size_t dpkgChrootLen = dpkgChrootDir.length();
	173	if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
	174	{
	175	if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
	176	--dpkgChrootLen;
	177	Tmp = Tmp.substr(dpkgChrootLen);
	178	}
	179	}
	180	Args.push_back(Tmp.c_str());
	181
	182	// Stick in any custom dpkg options
	183	Configuration::Item const *Opts = _config->Tree("DPkg::Options");
	184	if (Opts != 0)
	185	{
	186	Opts = Opts->Child;
	187	for (; Opts != 0; Opts = Opts->Next)
	188	{
	189	if (Opts->Value.empty() == true)
	190	continue;
	191	Args.push_back(Opts->Value.c_str());
	192	}
	193	}
	194
	195	size_t const BaseArgs = Args.size();
	196	// we need to detect if we can qualify packages with the architecture or not
	197	Args.push_back("--assert-multi-arch");
	198	Args.push_back(NULL);
	199
	200
	201	pid_t dpkgAssertMultiArch = ExecFork();
	202	if (dpkgAssertMultiArch == 0)
	203	{
	204	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
	205	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0)
	206	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
	207	// redirect everything to the ultimate sink as we only need the exit-status
	208	int const nullfd = open("/dev/null", O_RDONLY);
	209	dup2(nullfd, STDIN_FILENO);
	210	dup2(nullfd, STDOUT_FILENO);
	211	dup2(nullfd, STDERR_FILENO);
	212	execvp(Args[0], (char**) &Args[0]);
	213	_error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
	214	_exit(2);
	215	}
	216
c4cca791	217	APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
a09e4489 DK	218	if (pkgset.empty() == true)
	219	return _error->Error(_("No packages found"));
	220
	221	bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
	222
5eb9a474	223	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();)
a09e4489 DK	224	{
	225	if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
	226	{
	227	if (MarkHold == true)
	228	ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
	229	else
	230	ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
5eb9a474	231	Pkg = pkgset.erase(Pkg, true);
a09e4489	232	}
5eb9a474 DK	233	else
5eb9a474 DK	234	++Pkg;
a09e4489 DK	235	}
a09e4489 DK	236
6fddb156 DK	237	bool dpkgMultiArch = false;
	238	if (dpkgAssertMultiArch > 0)
	239	{
	240	int Status = 0;
	241	while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
	242	{
	243	if (errno == EINTR)
	244	continue;
	245	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
	246	break;
	247	}
	248	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	249	dpkgMultiArch = true;
	250	}
	251
a09e4489 DK	252	if (pkgset.empty() == true)
	253	return true;
	254
	255	if (_config->FindB("APT::Mark::Simulate", false) == true)
	256	{
c4cca791	257	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489 DK	258	{
	259	if (MarkHold == false)
	260	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	261	else
	262	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	263	}
	264	return true;
	265	}
	266
6fddb156 DK	267	Args.erase(Args.begin() + BaseArgs, Args.end());
	268	Args.push_back("--set-selections");
	269	Args.push_back(NULL);
	270
	271	int external[2] = {-1, -1};
	272	if (pipe(external) != 0)
	273	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");
	274
	275	pid_t dpkgSelection = ExecFork();
	276	if (dpkgSelection == 0)
	277	{
	278	close(external[1]);
	279	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
	280	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0)
	281	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
	282	int const nullfd = open("/dev/null", O_RDONLY);
5834d7a1 DK	283	dup2(external[0], STDIN_FILENO);
5834d7a1 DK	284	dup2(nullfd, STDOUT_FILENO);
6fddb156 DK	285	dup2(nullfd, STDERR_FILENO);
	286	execvp(Args[0], (char**) &Args[0]);
	287	_error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
	288	_exit(2);
	289	}
a09e4489	290
6fddb156	291	FILE* dpkg = fdopen(external[1], "w");
c4cca791	292	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489 DK	293	{
	294	if (MarkHold == true)
	295	{
6fddb156	296	fprintf(dpkg, "%s hold\n", Pkg.FullName(!dpkgMultiArch).c_str());
a09e4489 DK	297	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	298	}
	299	else
	300	{
6fddb156	301	fprintf(dpkg, "%s install\n", Pkg.FullName(!dpkgMultiArch).c_str());
a09e4489 DK	302	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	303	}
	304	}
6fddb156	305	fclose(dpkg);
a09e4489	306
6fddb156 DK	307	if (dpkgSelection > 0)
	308	{
	309	int Status = 0;
	310	while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
	311	{
	312	if (errno == EINTR)
	313	continue;
	314	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
	315	break;
	316	}
	317	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	318	return true;
	319	}
	320	return _error->Error(_("Executing dpkg failed. Are you root?"));
a09e4489 DK	321	}
	322	/}}}/
	323	/* ShowHold - show packages set on hold in dpkg status {{{*/
	324	bool ShowHold(CommandLine &CmdL)
	325	{
	326	pkgCacheFile CacheFile;
	327	pkgCache *Cache = CacheFile.GetPkgCache();
	328	if (unlikely(Cache == NULL))
	329	return false;
	330
	331	std::vector<string> packages;
	332
	333	if (CmdL.FileList[1] == 0)
	334	{
	335	packages.reserve(50); // how many holds are realistic? I hope just a few…
	336	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	337	if (P->SelectedState == pkgCache::State::Hold)
	338	packages.push_back(P.FullName(true));
	339	}
	340	else
	341	{
	342	APT::CacheSetHelper helper(false); // do not show errors
	343	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	344	packages.reserve(pkgset.size());
	345	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	346	if (P->SelectedState == pkgCache::State::Hold)
	347	packages.push_back(P.FullName(true));
	348	}
	349
	350	std::sort(packages.begin(), packages.end());
	351
c98fb5e0 DK	352	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	353	std::cout << *I << std::endl;
	354
	355	return true;
	356	}
	357	/}}}/
	358	// ShowHelp - Show a help screen /{{{/
	359	// ---------------------------------------------------------------------
	360	/* */
	361	bool ShowHelp(CommandLine &CmdL)
	362	{
9179f697	363	ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
c98fb5e0 DK	364	COMMON_ARCH,__DATE__,__TIME__);
	365
	366	cout <<
	367	_("Usage: apt-mark [options] {auto\|manual} pkg1 [pkg2 ...]\n"
	368	"\n"
	369	"apt-mark is a simple command line interface for marking packages\n"
	370	"as manual or automatical installed. It can also list marks.\n"
	371	"\n"
	372	"Commands:\n"
	373	" auto - Mark the given packages as automatically installed\n"
	374	" manual - Mark the given packages as manually installed\n"
	375	"\n"
	376	"Options:\n"
	377	" -h This help text.\n"
	378	" -q Loggable output - no progress indicator\n"
	379	" -qq No output except for errors\n"
	380	" -s No-act. Just prints what would be done.\n"
	381	" -f read/write auto/manual marking in the given file\n"
	382	" -c=? Read this configuration file\n"
	383	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
	384	"See the apt-mark(8) and apt.conf(5) manual pages for more information.")
	385	<< std::endl;
	386	return true;
	387	}
	388	/}}}/
	389	int main(int argc,const char argv[]) /{{{*/
	390	{
	391	CommandLine::Args Args[] = {
	392	{'h',"help","help",0},
	393	{0,"version","version",0},
	394	{'q',"quiet","quiet",CommandLine::IntLevel},
	395	{'q',"silent","quiet",CommandLine::IntLevel},
	396	{'v',"verbose","APT::MarkAuto::Verbose",0},
	397	{'s',"simulate","APT::Mark::Simulate",0},
	398	{'s',"just-print","APT::Mark::Simulate",0},
	399	{'s',"recon","APT::Mark::Simulate",0},
	400	{'s',"dry-run","APT::Mark::Simulate",0},
	401	{'s',"no-act","APT::Mark::Simulate",0},
	402	{'f',"file","Dir::State::extended_states",CommandLine::HasArg},
	403	{'c',"config-file",0,CommandLine::ConfigFile},
	404	{'o',"option",0,CommandLine::ArbItem},
	405	{0,0,0,0}};
	406	CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
	407	{"auto",&DoAuto},
	408	{"manual",&DoAuto},
a09e4489 DK	409	{"hold",&DoHold},
a09e4489 DK	410	{"unhold",&DoHold},
c98fb5e0 DK	411	{"showauto",&ShowAuto},
c98fb5e0 DK	412	{"showmanual",&ShowAuto},
a09e4489 DK	413	{"showhold",&ShowHold},
	414	// be nice and forgive the typo
	415	{"showholds",&ShowHold},
	416	// be nice and forgive it as it is technical right
	417	{"install",&DoHold},
c98fb5e0 DK	418	// obsolete commands for compatibility
	419	{"markauto", &DoMarkAuto},
	420	{"unmarkauto", &DoMarkAuto},
	421	{0,0}};
	422
	423	// Set up gettext support
	424	setlocale(LC_ALL,"");
	425	textdomain(PACKAGE);
	426
	427	// Parse the command line and initialize the package library
	428	CommandLine CmdL(Args,_config);
	429	if (pkgInitConfig(*_config) == false \|\|
	430	CmdL.Parse(argc,argv) == false \|\|
	431	pkgInitSystem(*_config,_system) == false)
	432	{
	433	if (_config->FindB("version") == true)
	434	ShowHelp(CmdL);
	435	_error->DumpErrors();
	436	return 100;
	437	}
	438
	439	// See if the help should be shown
	440	if (_config->FindB("help") == true \|\|
	441	_config->FindB("version") == true \|\|
	442	CmdL.FileSize() == 0)
	443	{
	444	ShowHelp(CmdL);
	445	return 0;
	446	}
	447
	448	// Deal with stdout not being a tty
	449	if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
	450	_config->Set("quiet","1");
	451
	452	// Setup the output streams
	453	c0out.rdbuf(cout.rdbuf());
	454	c1out.rdbuf(cout.rdbuf());
	455	c2out.rdbuf(cout.rdbuf());
	456	if (_config->FindI("quiet",0) > 0)
	457	c0out.rdbuf(devnull.rdbuf());
	458	if (_config->FindI("quiet",0) > 1)
	459	c1out.rdbuf(devnull.rdbuf());
	460
	461	// Match the operation
	462	CmdL.DispatchArg(Cmds);
	463
	464	// Print any errors or warnings found during parsing
	465	bool const Errors = _error->PendingError();
	466	if (_config->FindI("quiet",0) > 0)
	467	_error->DumpErrors();
	468	else
	469	_error->DumpErrors(GlobalError::DEBUG);
	470	return Errors == true ? 100 : 0;
	471	}
	472	/}}}/