[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);
      }
      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;
   }

   APT::PackageList keepoffset;
   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
   {
      if (Pkg->CurrentVer != 0)
	 continue;
      keepoffset.insert(*Pkg);
   }

   if (keepoffset.empty() == false)
   {
      Args.erase(Args.begin() + BaseArgs, Args.end());
      Args.push_back("--merge-avail");
      // FIXME: supported only since 1.17.7 in dpkg
      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 = keepoffset.begin(); Pkg != keepoffset.end(); ++Pkg)
      {
	 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);
      keepoffset.clear();

      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);

   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());
      dup2(external[0], STDIN_FILENO);
      execvp(Args[0], (char**) &Args[0]);
      _error->WarningE("dpkgGo", "Can't get dpkg --set-selections running!");
      _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(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);

   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());
c687384b	241	Pkg = pkgset.erase(Pkg);
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
1d838084	277	APT::PackageList keepoffset;
374f8492 DK	278	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
	279	{
	280	if (Pkg->CurrentVer != 0)
	281	continue;
3bf4c93a	282	keepoffset.insert(*Pkg);
374f8492	283	}
374f8492	284
1d838084	285	if (keepoffset.empty() == false)
374f8492	286	{
1d838084 DK	287	Args.erase(Args.begin() + BaseArgs, Args.end());
	288	Args.push_back("--merge-avail");
	289	// FIXME: supported only since 1.17.7 in dpkg
	290	Args.push_back("-");
	291	Args.push_back(NULL);
	292
	293	int external[2] = {-1, -1};
	294	if (pipe(external) != 0)
	295	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --merge-avail");
	296
	297	pid_t dpkgMergeAvail = ExecFork();
	298	if (dpkgMergeAvail == 0)
374f8492	299	{
1d838084 DK	300	close(external[1]);
	301	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
	302	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
	303	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --merge-avail", chrootDir.c_str());
	304	dup2(external[0], STDIN_FILENO);
	305	int const nullfd = open("/dev/null", O_RDONLY);
	306	dup2(nullfd, STDOUT_FILENO);
	307	execvp(Args[0], (char**) &Args[0]);
	308	_error->WarningE("dpkgGo", "Can't get dpkg --merge-avail running!");
	309	_exit(2);
	310	}
	311
	312	FILE* dpkg = fdopen(external[1], "w");
	313	for (APT::PackageList::iterator Pkg = keepoffset.begin(); Pkg != keepoffset.end(); ++Pkg)
	314	{
	315	char const * Arch;
	316	if (Pkg->VersionList != 0)
	317	Arch = Pkg.VersionList().Arch();
	318	else
	319	Arch = Pkg.Arch();
	320	fprintf(dpkg, "Package: %s\nVersion: 0~\nArchitecture: %s\nMaintainer: Dummy Example <dummy@example.org>\n"
	321	"Description: dummy package record\n A record is needed to put a package on hold, so here it is.\n\n", Pkg.Name(), Arch);
	322	}
	323	fclose(dpkg);
	324	keepoffset.clear();
	325
	326	if (dpkgMergeAvail > 0)
	327	{
	328	int Status = 0;
	329	while (waitpid(dpkgMergeAvail, &Status, 0) != dpkgMergeAvail)
	330	{
	331	if (errno == EINTR)
	332	continue;
	333	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --merge-avail");
	334	break;
	335	}
	336	if (WIFEXITED(Status) == false \|\| WEXITSTATUS(Status) != 0)
	337	return _error->Error(_("Executing dpkg failed. Are you root?"));
374f8492	338	}
374f8492 DK	339	}
	340
	341	Args.erase(Args.begin() + BaseArgs, Args.end());
	342	Args.push_back("--set-selections");
	343	Args.push_back(NULL);
	344
1d838084	345	int external[2] = {-1, -1};
6fddb156 DK	346	if (pipe(external) != 0)
	347	return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");
	348
	349	pid_t dpkgSelection = ExecFork();
	350	if (dpkgSelection == 0)
	351	{
	352	close(external[1]);
	353	std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
2510eea4	354	if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
6fddb156	355	_error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
5834d7a1	356	dup2(external[0], STDIN_FILENO);
6fddb156	357	execvp(Args[0], (char**) &Args[0]);
374f8492	358	_error->WarningE("dpkgGo", "Can't get dpkg --set-selections running!");
6fddb156 DK	359	_exit(2);
6fddb156 DK	360	}
a09e4489	361
1d838084	362	FILE* dpkg = fdopen(external[1], "w");
c4cca791	363	for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
a09e4489	364	{
b855a400 DK	365	if (dpkgMultiArch == false)
	366	fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
	367	else
	368	{
	369	if (Pkg->CurrentVer != 0)
	370	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
	371	else if (Pkg.VersionList().end() == false)
	372	fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
	373	else
	374	fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
	375	}
	376
a09e4489 DK	377	if (MarkHold == true)
a09e4489 DK	378	{
b855a400	379	fprintf(dpkg, " hold\n");
a09e4489 DK	380	ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
	381	}
	382	else
	383	{
b855a400	384	fprintf(dpkg, " install\n");
a09e4489 DK	385	ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
	386	}
	387	}
6fddb156	388	fclose(dpkg);
a09e4489	389
6fddb156 DK	390	if (dpkgSelection > 0)
	391	{
	392	int Status = 0;
	393	while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
	394	{
	395	if (errno == EINTR)
	396	continue;
	397	_error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
	398	break;
	399	}
	400	if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
	401	return true;
	402	}
	403	return _error->Error(_("Executing dpkg failed. Are you root?"));
a09e4489 DK	404	}
	405	/}}}/
	406	/* ShowHold - show packages set on hold in dpkg status {{{*/
c3ccac92	407	static bool ShowHold(CommandLine &CmdL)
a09e4489 DK	408	{
	409	pkgCacheFile CacheFile;
	410	pkgCache *Cache = CacheFile.GetPkgCache();
	411	if (unlikely(Cache == NULL))
	412	return false;
	413
	414	std::vector<string> packages;
	415
	416	if (CmdL.FileList[1] == 0)
	417	{
	418	packages.reserve(50); // how many holds are realistic? I hope just a few…
	419	for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
	420	if (P->SelectedState == pkgCache::State::Hold)
	421	packages.push_back(P.FullName(true));
	422	}
	423	else
	424	{
	425	APT::CacheSetHelper helper(false); // do not show errors
	426	APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
	427	packages.reserve(pkgset.size());
	428	for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
	429	if (P->SelectedState == pkgCache::State::Hold)
	430	packages.push_back(P.FullName(true));
	431	}
	432
	433	std::sort(packages.begin(), packages.end());
	434
c98fb5e0 DK	435	for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
	436	std::cout << *I << std::endl;
	437
	438	return true;
	439	}
	440	/}}}/
	441	// ShowHelp - Show a help screen /{{{/
	442	// ---------------------------------------------------------------------
	443	/* */
65512241	444	static bool ShowHelp(CommandLine &)
c98fb5e0	445	{
249aec3b	446	ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
c98fb5e0 DK	447
	448	cout <<
	449	_("Usage: apt-mark [options] {auto\|manual} pkg1 [pkg2 ...]\n"
	450	"\n"
	451	"apt-mark is a simple command line interface for marking packages\n"
3999d158	452	"as manually or automatically installed. It can also list marks.\n"
c98fb5e0 DK	453	"\n"
	454	"Commands:\n"
	455	" auto - Mark the given packages as automatically installed\n"
	456	" manual - Mark the given packages as manually installed\n"
1aef66d5 MV	457	" hold - Mark a package as held back\n"
	458	" unhold - Unset a package set as held back\n"
	459	" showauto - Print the list of automatically installed packages\n"
	460	" showmanual - Print the list of manually installed packages\n"
	461	" showhold - Print the list of package on hold\n"
c98fb5e0 DK	462	"\n"
	463	"Options:\n"
	464	" -h This help text.\n"
	465	" -q Loggable output - no progress indicator\n"
	466	" -qq No output except for errors\n"
	467	" -s No-act. Just prints what would be done.\n"
	468	" -f read/write auto/manual marking in the given file\n"
	469	" -c=? Read this configuration file\n"
	470	" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
	471	"See the apt-mark(8) and apt.conf(5) manual pages for more information.")
	472	<< std::endl;
	473	return true;
	474	}
	475	/}}}/
	476	int main(int argc,const char argv[]) /{{{*/
	477	{
c98fb5e0 DK	478	CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
	479	{"auto",&DoAuto},
	480	{"manual",&DoAuto},
a09e4489 DK	481	{"hold",&DoHold},
a09e4489 DK	482	{"unhold",&DoHold},
c98fb5e0 DK	483	{"showauto",&ShowAuto},
c98fb5e0 DK	484	{"showmanual",&ShowAuto},
a09e4489 DK	485	{"showhold",&ShowHold},
	486	// be nice and forgive the typo
	487	{"showholds",&ShowHold},
	488	// be nice and forgive it as it is technical right
	489	{"install",&DoHold},
c98fb5e0 DK	490	// obsolete commands for compatibility
	491	{"markauto", &DoMarkAuto},
	492	{"unmarkauto", &DoMarkAuto},
	493	{0,0}};
	494
b9179170 MV	495	std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));
b9179170 MV	496
c98fb5e0 DK	497	// Set up gettext support
	498	setlocale(LC_ALL,"");
	499	textdomain(PACKAGE);
	500
ad7e0941 DK	501	CommandLine CmdL;
ad7e0941 DK	502	ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);
c98fb5e0	503
d9e518c6	504	InitOutput();
c98fb5e0 DK	505
	506	// Match the operation
	507	CmdL.DispatchArg(Cmds);
	508
	509	// Print any errors or warnings found during parsing
	510	bool const Errors = _error->PendingError();
	511	if (_config->FindI("quiet",0) > 0)
	512	_error->DumpErrors();
	513	else
	514	_error->DumpErrors(GlobalError::DEBUG);
	515	return Errors == true ? 100 : 0;
	516	}
	517	/}}}/