Adding upstream version 2.6.1.upstream/2.6.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1147 insertions, 0 deletions

diff --git a/apt-private/private-install.cc b/apt-private/private-install.cc
new file mode 100644
index 0000000..08d58a5
--- /dev/null
+++ b/apt-private/private-install.cc
@@ -0,0 +1,1147 @@
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/acquire.h>
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/install-progress.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/prettyprinters.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/upgrade.h>
+
+#include <algorithm>
+#include <iostream>
+#include <map>
+#include <set>
+#include <vector>
+#include <stdlib.h>
+#include <string.h>
+
+#include <apt-private/acqprogress.h>
+#include <apt-private/private-cachefile.h>
+#include <apt-private/private-cacheset.h>
+#include <apt-private/private-download.h>
+#include <apt-private/private-install.h>
+#include <apt-private/private-json-hooks.h>
+#include <apt-private/private-output.h>
+
+#include <apti18n.h>
+									/*}}}*/
+class pkgSourceList;
+
+bool CheckNothingBroken(CacheFile &Cache)				/*{{{*/
+{
+   // Now we check the state of the packages,
+   if (Cache->BrokenCount() == 0)
+      return true;
+
+   // FIXME: if an external solver showed an error, we shouldn't show one here
+   if (_error->PendingError() && _config->Find("APT::Solver") == "dump")
+      return false;
+
+   c1out <<
+      _("Some packages could not be installed. This may mean that you have\n"
+	    "requested an impossible situation or if you are using the unstable\n"
+	    "distribution that some required packages have not yet been created\n"
+	    "or been moved out of Incoming.") << std::endl;
+   /*
+   if (Packages == 1)
+   {
+      c1out << std::endl;
+      c1out <<
+	 _("Since you only requested a single operation it is extremely likely that\n"
+	       "the package is simply not installable and a bug report against\n"
+	       "that package should be filed.") << std::endl;
+   }
+   */
+
+   c1out << _("The following information may help to resolve the situation:") << std::endl;
+   c1out << std::endl;
+   ShowBroken(c1out,Cache,false);
+   if (_error->PendingError() == true)
+      return false;
+   else
+      return _error->Error(_("Broken packages"));
+}
+									/*}}}*/
+// InstallPackages - Actually download and install the packages		/*{{{*/
+// ---------------------------------------------------------------------
+/* This displays the informative messages describing what is going to 
+   happen and then calls the download routines */
+class SimulateWithActionGroupInhibited : public pkgSimulate
+{
+public:
+      SimulateWithActionGroupInhibited(CacheFile &Cache) : pkgSimulate(Cache) { Sim.IncreaseActionGroupLevel(); }
+      SimulateWithActionGroupInhibited(SimulateWithActionGroupInhibited const &Cache) = delete;
+      SimulateWithActionGroupInhibited(SimulateWithActionGroupInhibited &&Cache) = delete;
+      SimulateWithActionGroupInhibited& operator=(SimulateWithActionGroupInhibited const &Cache) = delete;
+      SimulateWithActionGroupInhibited& operator=(SimulateWithActionGroupInhibited &&Cache) = delete;
+      ~SimulateWithActionGroupInhibited() = default;
+};
+static void RemoveDownloadNeedingItemsFromFetcher(pkgAcquire &Fetcher, bool &Transient)
+{
+   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd();)
+   {
+      if ((*I)->Local == true)
+      {
+	 ++I;
+	 continue;
+      }
+
+      // Close the item and check if it was found in cache
+      (*I)->Finished();
+      if ((*I)->Complete == false)
+	 Transient = true;
+
+      // Clear it out of the fetch list
+      delete *I;
+      I = Fetcher.ItemsBegin();
+   }
+}
+bool InstallPackages(CacheFile &Cache, APT::PackageVector &HeldBackPackages, bool ShwKept, bool Ask, bool Safety, std::string const &Hook, CommandLine const &CmdL)
+{
+   if (not RunScripts("APT::Install::Pre-Invoke"))
+      return false;
+   if (_config->FindB("APT::Get::Purge", false) == true)
+      for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() == false; ++I)
+	 if (Cache[I].Delete() == true && Cache[I].Purge() == false)
+	    Cache->MarkDelete(I,true);
+
+   // Create the download object
+   auto const DownloadAllowed = _config->FindB("APT::Get::Download",true);
+   aptAcquireWithTextStatus Fetcher;
+   if (_config->FindB("APT::Get::Print-URIs", false) == true)
+   {
+      // force a hashsum for compatibility reasons
+      _config->CndSet("Acquire::ForceHash", "md5sum");
+   }
+   else if (_config->FindB("APT::Get::Simulate") == true)
+      ;
+   else if (Fetcher.GetLock(_config->FindDir("Dir::Cache::Archives")) == false)
+      return false;
+
+   // Read the source list
+   if (Cache.BuildSourceList() == false)
+      return false;
+   pkgSourceList * const List = Cache.GetSourceList();
+
+   // Create the text record parser
+   pkgRecords Recs(Cache);
+   if (_error->PendingError() == true)
+      return false;
+
+   // Create the package manager and prepare to download
+   std::unique_ptr<pkgPackageManager> PM(_system->CreatePM(Cache));
+   if (PM->GetArchives(&Fetcher,List,&Recs) == false || 
+       _error->PendingError() == true)
+      return false;
+
+   if (DownloadAllowed == false)
+   {
+      bool Missing = false;
+      RemoveDownloadNeedingItemsFromFetcher(Fetcher, Missing);
+      if (Missing)
+      {
+	 if (_config->FindB("APT::Get::Fix-Missing",false))
+	 {
+	    PM->FixMissing();
+	    SortedPackageUniverse Universe(Cache);
+	    APT::PackageVector NewHeldBackPackages;
+	    for (auto const &Pkg: Universe)
+	    {
+	       if (Pkg->CurrentVer == 0 || Cache[Pkg].Delete())
+		  continue;
+	       if (Cache[Pkg].Upgradable() && not Cache[Pkg].Upgrade())
+		  NewHeldBackPackages.push_back(Pkg);
+	       else if (std::find(HeldBackPackages.begin(), HeldBackPackages.end(), Pkg) != HeldBackPackages.end())
+		  NewHeldBackPackages.push_back(Pkg);
+	    }
+	    std::swap(NewHeldBackPackages, HeldBackPackages);
+	 }
+	 else
+	    return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?"));
+      }
+      Fetcher.Shutdown();
+      if (_error->PendingError() == true)
+	 return false;
+   }
+
+   // Show all the various warning indicators
+   ShowDel(c1out,Cache);
+   ShowNew(c1out,Cache);
+   if (ShwKept == true)
+      ShowKept(c1out,Cache, HeldBackPackages);
+   bool const Hold = not ShowHold(c1out,Cache);
+   if (_config->FindB("APT::Get::Show-Upgraded",true) == true)
+      ShowUpgraded(c1out,Cache);
+   bool const Downgrade = !ShowDowngraded(c1out,Cache);
+
+   bool Essential = false;
+   if (_config->FindB("APT::Get::Download-Only",false) == false)
+        Essential = !ShowEssential(c1out,Cache);
+
+   if (not Hook.empty())
+      RunJsonHook(Hook, "org.debian.apt.hooks.install.package-list", CmdL.FileList, Cache);
+
+   Stats(c1out,Cache, HeldBackPackages);
+   if (not Hook.empty())
+      RunJsonHook(Hook, "org.debian.apt.hooks.install.statistics", CmdL.FileList, Cache);
+
+   // Sanity check
+   if (Cache->BrokenCount() != 0)
+   {
+      ShowBroken(c1out,Cache,false);
+      return _error->Error(_("Internal error, InstallPackages was called with broken packages!"));
+   }
+
+   if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
+       Cache->BadCount() == 0)
+      return RunScripts("APT::Install::Post-Invoke-Success");
+
+   // No remove flag
+   if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false)
+      return _error->Error(_("Packages need to be removed but remove is disabled."));
+
+   // Fail safe check
+   bool const Fail = (Essential || Downgrade || Hold);
+   if (_config->FindI("quiet",0) >= 2 ||
+       _config->FindB("APT::Get::Assume-Yes",false) == true)
+   {
+      if (Fail == true && _config->FindB("APT::Get::Force-Yes",false) == false) {
+	 if (Essential == true && _config->FindB("APT::Get::allow-remove-essential", false) == false)
+	    return _error->Error(_("Essential packages were removed and -y was used without --allow-remove-essential."));
+	 if (Downgrade == true && _config->FindB("APT::Get::allow-downgrades", false) == false)
+	    return _error->Error(_("Packages were downgraded and -y was used without --allow-downgrades."));
+	 if (Hold == true && _config->FindB("APT::Get::allow-change-held-packages", false) == false)
+	    return _error->Error(_("Held packages were changed and -y was used without --allow-change-held-packages."));
+      }
+   }
+
+   // Run the simulator ..
+   if (_config->FindB("APT::Get::Simulate") == true)
+   {
+      SimulateWithActionGroupInhibited PM(Cache);
+
+      APT::Progress::PackageManager *progress = APT::Progress::PackageManagerProgressFactory();
+      pkgPackageManager::OrderResult Res = PM.DoInstall(progress);
+      delete progress;
+
+      if (Res == pkgPackageManager::Failed)
+	 return false;
+      if (Res != pkgPackageManager::Completed)
+	 return _error->Error(_("Internal error, Ordering didn't finish"));
+      return true;
+   }
+
+   auto const FetchBytes = DownloadAllowed ? Fetcher.FetchNeeded() : 0;
+   auto const FetchPBytes = DownloadAllowed ? Fetcher.PartialPresent() : 0;
+   if (DownloadAllowed)
+   {
+      // Display statistics
+      auto const DebBytes = Fetcher.TotalNeeded();
+      if (DebBytes != Cache->DebSize())
+      {
+	 c0out << "E: " << DebBytes << ',' << Cache->DebSize() << std::endl;
+	 c0out << "E: " << _("How odd... The sizes didn't match, email apt@packages.debian.org") << std::endl;
+      }
+
+      // Number of bytes
+      if (DebBytes != FetchBytes)
+	 //TRANSLATOR: The required space between number and unit is already included
+	 // in the replacement strings, so %sB will be correctly translate in e.g. 1,5 MB
+	 ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
+	       SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
+      else if (DebBytes != 0)
+	 //TRANSLATOR: The required space between number and unit is already included
+	 // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
+	 ioprintf(c1out,_("Need to get %sB of archives.\n"),
+	       SizeToStr(DebBytes).c_str());
+   }
+
+   // Size delta
+   if (Cache->UsrSize() >= 0)
+      //TRANSLATOR: The required space between number and unit is already included
+      // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
+      ioprintf(c1out,_("After this operation, %sB of additional disk space will be used.\n"),
+	       SizeToStr(Cache->UsrSize()).c_str());
+   else
+      //TRANSLATOR: The required space between number and unit is already included
+      // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
+      ioprintf(c1out,_("After this operation, %sB disk space will be freed.\n"),
+	       SizeToStr(-1*Cache->UsrSize()).c_str());
+
+   if (DownloadAllowed)
+      if (CheckFreeSpaceBeforeDownload(_config->FindDir("Dir::Cache::Archives"), (FetchBytes - FetchPBytes)) == false)
+	 return false;
+
+   if (_error->PendingError() == true)
+      return false;
+
+   // Just print out the uris an exit if the --print-uris flag was used
+   if (_config->FindB("APT::Get::Print-URIs") == true)
+   {
+      pkgAcquire::UriIterator I = Fetcher.UriBegin();
+      for (; I != Fetcher.UriEnd(); ++I)
+	 std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
+	       std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl;
+      return true;
+   }
+
+   if (Essential == true && Safety == true && _config->FindB("APT::Get::allow-remove-essential", false) == false)
+   {
+      if (_config->FindB("APT::Get::Trivial-Only",false) == true)
+	 return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
+
+      return _error->Error(_("Removing essential system-critical packages is not permitted. This might break the system."));
+   }
+   else
+   {
+      // Prompt to continue
+      if (Ask == true || Fail == true)
+      {
+	 if (_config->FindB("APT::Get::Trivial-Only",false) == true)
+	    return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
+
+	 if (_config->FindI("quiet",0) < 2 &&
+	     _config->FindB("APT::Get::Assume-Yes",false) == false)
+	 {
+	    if (YnPrompt(_("Do you want to continue?")) == false)
+	    {
+	       c2out << _("Abort.") << std::endl;
+	       exit(1);
+	    }
+	 }
+      }
+   }
+
+   if (!CheckAuth(Fetcher, true))
+      return false;
+
+   /* Unlock the dpkg lock if we are not going to be doing an install
+      after. */
+   if (_config->FindB("APT::Get::Download-Only",false) == true)
+      _system->UnLock();
+
+   // Run it
+   bool Failed = false;
+   while (1)
+   {
+      bool Transient = false;
+      if (AcquireRun(Fetcher, 0, &Failed, &Transient) == false)
+	 return false;
+
+      if (_config->FindB("APT::Get::Download-Only",false) == true)
+      {
+	 if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+	    return _error->Error(_("Some files failed to download"));
+	 c1out << _("Download complete and in download only mode") << std::endl;
+	 return true;
+      }
+
+      if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+	 return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?"));
+
+      if (Transient == true && Failed == true)
+	 return _error->Error(_("--fix-missing and media swapping is not currently supported"));
+
+      // Try to deal with missing package files
+      if (Failed == true && PM->FixMissing() == false)
+      {
+	 c2out << _("Unable to correct missing packages.") << std::endl;
+	 return _error->Error(_("Aborting install."));
+      }
+
+      auto const progress = APT::Progress::PackageManagerProgressFactory();
+      _system->UnLockInner();
+      pkgPackageManager::OrderResult const Res = PM->DoInstall(progress);
+      delete progress;
+
+      if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
+	 return false;
+      if (Res == pkgPackageManager::Completed)
+	 break;
+
+      _system->LockInner();
+
+      // Reload the fetcher object and loop again for media swapping
+      Fetcher.Shutdown();
+      if (PM->GetArchives(&Fetcher,List,&Recs) == false)
+	 return false;
+
+      Failed = false;
+      if (DownloadAllowed == false)
+	 RemoveDownloadNeedingItemsFromFetcher(Fetcher, Failed);
+   }
+
+   std::set<std::string> const disappearedPkgs = PM->GetDisappearedPackages();
+   if (disappearedPkgs.empty() == false)
+   {
+      ShowList(c1out, P_("The following package disappeared from your system as\n"
+	       "all files have been overwritten by other packages:",
+	       "The following packages disappeared from your system as\n"
+	       "all files have been overwritten by other packages:", disappearedPkgs.size()), disappearedPkgs,
+	    [](std::string const &Pkg) { return Pkg.empty() == false; },
+	    [](std::string const &Pkg) { return Pkg; },
+	    [](std::string const &) { return std::string(); });
+      c0out << _("Note: This is done automatically and on purpose by dpkg.") << std::endl;
+   }
+
+   // cleanup downloaded debs
+   if (_config->FindB("APT::Keep-Downloaded-Packages", true) == false)
+   {
+      std::string const archivedir = _config->FindDir("Dir::Cache::archives");
+      for (auto I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
+      {
+	 if (flNotFile((*I)->DestFile) != archivedir || (*I)->Local)
+	    continue;
+         RemoveFile("Keep-Downloaded-Packages=false", (*I)->DestFile);
+      }
+   }
+
+   if (not RunScripts("APT::Install::Post-Invoke-Success"))
+      return false;
+
+   return true;
+}
+									/*}}}*/
+// DoAutomaticRemove - Remove all automatic unused packages		/*{{{*/
+// ---------------------------------------------------------------------
+/* Remove unused automatic packages */
+bool DoAutomaticRemove(CacheFile &Cache)
+{
+   bool Debug = _config->FindB("Debug::pkgAutoRemove",false);
+   bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false);
+   bool doAutoRemoveKernels = _config->FindB("APT::Get::AutomaticRemove::Kernels", false);
+   bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
+
+   std::unique_ptr<APT::CacheFilter::Matcher> kernelAutoremovalMatcher;
+   if (doAutoRemoveKernels && !doAutoRemove)
+   {
+      kernelAutoremovalMatcher = APT::KernelAutoRemoveHelper::GetProtectedKernelsFilter(Cache, true);
+   }
+
+   if(Debug)
+      std::cout << "DoAutomaticRemove()" << std::endl;
+
+   if (doAutoRemove == true &&
+	_config->FindB("APT::Get::Remove",true) == false)
+   {
+      c1out << _("We are not supposed to delete stuff, can't start "
+		 "AutoRemover") << std::endl;
+      return false;
+   }
+   Cache->MarkAndSweep();
+
+   bool purgePkgs = _config->FindB("APT::Get::Purge", false);
+   bool smallList = (hideAutoRemove == false &&
+		strcasecmp(_config->Find("APT::Get::HideAutoRemove","").c_str(),"small") == 0);
+
+   unsigned long autoRemoveCount = 0;
+   APT::PackageSet tooMuch;
+   SortedPackageUniverse Universe(Cache);
+   // look over the cache to see what can be removed
+   for (auto const &Pkg: Universe)
+   {
+      if (Cache[Pkg].Garbage)
+      {
+	 if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install())
+	    if(Debug)
+	       std::cout << "We could delete " <<  APT::PrettyPkg(Cache, Pkg) << std::endl;
+
+	 if (doAutoRemove || (kernelAutoremovalMatcher != nullptr && (*kernelAutoremovalMatcher)(Pkg)))
+	 {
+	    if(Pkg.CurrentVer() != 0 &&
+	       Pkg->CurrentState != pkgCache::State::ConfigFiles)
+	       Cache->MarkDelete(Pkg, purgePkgs, 0, false);
+	    else
+	       Cache->MarkKeep(Pkg, false, false);
+	 }
+	 else
+	 {
+	    // if the package is a new install and already garbage we don't need to
+	    // install it in the first place, so nuke it instead of show it
+	    if (Cache[Pkg].Install() == true && Pkg.CurrentVer() == 0)
+	    {
+	       tooMuch.insert(Pkg);
+	       Cache->MarkDelete(Pkg, false, 0, false);
+	    }
+	    // only show stuff in the list that is not yet marked for removal
+	    else if(hideAutoRemove == false && Cache[Pkg].Delete() == false)
+	       ++autoRemoveCount;
+	 }
+      }
+   }
+
+   // we could have removed a new dependency of a garbage package,
+   // so check if a reverse depends is broken and if so install it again.
+   if (tooMuch.empty() == false && (Cache->BrokenCount() != 0 || Cache->PolicyBrokenCount() != 0))
+   {
+      bool Changed;
+      do {
+	 Changed = false;
+	 for (APT::PackageSet::iterator Pkg = tooMuch.begin();
+	      Pkg != tooMuch.end(); ++Pkg)
+	 {
+	    APT::PackageSet too;
+	    too.insert(*Pkg);
+	    for (pkgCache::PrvIterator Prv = Cache[Pkg].CandidateVerIter(Cache).ProvidesList();
+		 Prv.end() == false; ++Prv)
+	       too.insert(Prv.ParentPkg());
+	    for (APT::PackageSet::const_iterator P = too.begin(); P != too.end(); ++P)
+	    {
+	       for (pkgCache::DepIterator R = P.RevDependsList();
+		    R.end() == false; ++R)
+	       {
+		  if (R.IsNegative() == true ||
+		      Cache->IsImportantDep(R) == false)
+		     continue;
+		 auto const RV = R.ParentVer();
+		 if (unlikely(RV.end() == true))
+		    continue;
+		 auto const RP = RV.ParentPkg();
+		 // check if that dependency comes from an interesting version
+		 if (RP.CurrentVer() == RV)
+		 {
+		    if ((*Cache)[RP].Keep() == false)
+		       continue;
+		 }
+		 else if (Cache[RP].CandidateVerIter(Cache) == RV)
+		 {
+		    if ((*Cache)[RP].NewInstall() == false && (*Cache)[RP].Upgrade() == false)
+		       continue;
+		 }
+		 else // ignore dependency from a non-candidate version
+		    continue;
+		 if (Debug == true)
+		    std::clog << "Save " << APT::PrettyPkg(Cache, Pkg) << " as another installed package depends on it: " << APT::PrettyPkg(Cache, RP) << std::endl;
+		 Cache->MarkInstall(Pkg, false, 0, false);
+		 if (hideAutoRemove == false)
+		    ++autoRemoveCount;
+		 tooMuch.erase(Pkg);
+		 Changed = true;
+		 break;
+	       }
+	       if (Changed == true)
+		  break;
+	    }
+	    if (Changed == true)
+	       break;
+	 }
+      } while (Changed == true);
+   }
+
+   // Now see if we had destroyed anything (if we had done anything)
+   if (Cache->BrokenCount() != 0)
+   {
+      c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n"
+	         "shouldn't happen. Please file a bug report against apt.") << std::endl;
+      c1out << std::endl;
+      c1out << _("The following information may help to resolve the situation:") << std::endl;
+      c1out << std::endl;
+      ShowBroken(c1out,Cache,false);
+
+      return _error->Error(_("Internal Error, AutoRemover broke stuff"));
+   }
+
+   // if we don't remove them, we should show them!
+   if (doAutoRemove == false && autoRemoveCount != 0)
+   {
+      if (smallList == false)
+      {
+	 // trigger marking now so that the package list is correct
+	 Cache->MarkAndSweep();
+	 SortedPackageUniverse Universe(Cache);
+	 ShowList(c1out, P_("The following package was automatically installed and is no longer required:",
+	          "The following packages were automatically installed and are no longer required:",
+	          autoRemoveCount), Universe,
+	       [&Cache](pkgCache::PkgIterator const &Pkg) { return (*Cache)[Pkg].Garbage == true && (*Cache)[Pkg].Delete() == false; },
+	       &PrettyFullName, CandidateVersion(&Cache));
+      }
+      else
+	 ioprintf(c1out, P_("%lu package was automatically installed and is no longer required.\n",
+	          "%lu packages were automatically installed and are no longer required.\n", autoRemoveCount), autoRemoveCount);
+      std::string autocmd = "apt autoremove";
+      if (getenv("SUDO_USER") != nullptr)
+      {
+	 auto const envsudocmd = getenv("SUDO_COMMAND");
+	 auto const envshell = getenv("SHELL");
+	 if (envsudocmd == nullptr || envshell == nullptr || strcmp(envsudocmd, envshell) != 0)
+	    autocmd = "sudo " + autocmd;
+      }
+      ioprintf(c1out, P_("Use '%s' to remove it.", "Use '%s' to remove them.", autoRemoveCount), autocmd.c_str());
+      c1out << std::endl;
+   }
+   return true;
+}
+									/*}}}*/
+// DoCacheManipulationFromCommandLine					/*{{{*/
+static const unsigned short MOD_REMOVE = 1;
+static const unsigned short MOD_INSTALL = 2;
+
+bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<PseudoPkg> &VolatileCmdL, CacheFile &Cache, int UpgradeMode,
+					APT::PackageVector &HeldBackPackages)
+{
+   std::map<unsigned short, APT::VersionVector> verset;
+   std::set<std::string> UnknownPackages;
+   return DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, UpgradeMode, UnknownPackages, HeldBackPackages);
+}
+bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<PseudoPkg> &VolatileCmdL, CacheFile &Cache,
+					std::map<unsigned short, APT::VersionVector> &verset, int UpgradeMode,
+					std::set<std::string> &UnknownPackages, APT::PackageVector &HeldBackPackages)
+{
+   // Enter the special broken fixing mode if the user specified arguments
+   bool BrokenFix = false;
+   if (Cache->BrokenCount() != 0)
+      BrokenFix = true;
+
+   std::unique_ptr<pkgProblemResolver> Fix(nullptr);
+   if (_config->FindB("APT::Get::CallResolver", true) == true)
+      Fix.reset(new pkgProblemResolver(Cache));
+
+   unsigned short fallback = MOD_INSTALL;
+   if (strcasecmp(CmdL.FileList[0], "reinstall") == 0)
+      _config->Set("APT::Get::ReInstall", "true");
+   else if (strcasecmp(CmdL.FileList[0],"remove") == 0)
+      fallback = MOD_REMOVE;
+   else if (strcasecmp(CmdL.FileList[0], "purge") == 0)
+   {
+      _config->Set("APT::Get::Purge", true);
+      fallback = MOD_REMOVE;
+   }
+   else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0 ||
+	    strcasecmp(CmdL.FileList[0], "auto-remove") == 0)
+   {
+      _config->Set("APT::Get::AutomaticRemove", "true");
+      fallback = MOD_REMOVE;
+   }
+   else if (strcasecmp(CmdL.FileList[0], "autopurge") == 0)
+   {
+      _config->Set("APT::Get::AutomaticRemove", "true");
+      _config->Set("APT::Get::Purge", true);
+      fallback = MOD_REMOVE;
+   }
+
+   std::list<APT::VersionSet::Modifier> mods;
+   mods.push_back(APT::VersionSet::Modifier(MOD_INSTALL, "+",
+		APT::VersionSet::Modifier::POSTFIX, APT::CacheSetHelper::CANDIDATE));
+   mods.push_back(APT::VersionSet::Modifier(MOD_REMOVE, "-",
+		APT::VersionSet::Modifier::POSTFIX, APT::CacheSetHelper::NEWEST));
+   CacheSetHelperAPTGet helper(c0out);
+   verset = APT::VersionVector::GroupedFromCommandLine(Cache,
+		CmdL.FileList + 1, mods, fallback, helper);
+   for (auto &vs : verset)
+   {
+      std::set<map_id_t> seen;
+      vs.second.erase(std::remove_if(vs.second.begin(), vs.second.end(), [&](auto const &p) { return not seen.insert(p->ID).second; }), vs.second.end());
+   }
+
+   for (auto const &I: VolatileCmdL)
+   {
+      pkgCache::PkgIterator const P = Cache->FindPkg(I.name);
+      if (P.end())
+	 continue;
+
+      // Set any version providing the .deb as the candidate.
+      for (auto Prv = P.ProvidesList(); Prv.end() == false; Prv++)
+      {
+	 if (I.release.empty())
+	    Cache.GetDepCache()->SetCandidateVersion(Prv.OwnerVer());
+	 else
+	    Cache.GetDepCache()->SetCandidateRelease(Prv.OwnerVer(), I.release);
+      }
+
+      // via cacheset to have our usual virtual handling
+      APT::VersionContainerInterface::FromPackage(&(verset[MOD_INSTALL]), Cache, P, APT::CacheSetHelper::CANDIDATE, helper);
+   }
+
+   UnknownPackages = helper.notFound;
+
+   if (_error->PendingError() == true)
+   {
+      helper.showVirtualPackageErrors(Cache);
+      return false;
+   }
+
+
+  TryToInstall InstallAction(Cache, Fix.get(), BrokenFix);
+  TryToRemove RemoveAction(Cache, Fix.get());
+  APT::PackageSet UpgradablePackages;
+
+   {
+      unsigned short const order[] = { MOD_REMOVE, MOD_INSTALL, 0 };
+
+      for (unsigned short i = 0; order[i] != 0; ++i)
+      {
+	 if (order[i] == MOD_INSTALL)
+	    InstallAction = std::for_each(verset[MOD_INSTALL].begin(), verset[MOD_INSTALL].end(), InstallAction);
+	 else if (order[i] == MOD_REMOVE)
+	    RemoveAction = std::for_each(verset[MOD_REMOVE].begin(), verset[MOD_REMOVE].end(), RemoveAction);
+      }
+
+      {
+	 APT::CacheSetHelper helper;
+	 helper.PackageFrom(APT::CacheSetHelper::PATTERN, &UpgradablePackages, Cache, "?upgradable");
+      }
+
+      if (Fix != NULL && _config->FindB("APT::Get::AutoSolving", true) == true)
+      {
+	 InstallAction.propagateReleaseCandidateSwitching(helper.selectedByRelease, c0out);
+	 InstallAction.doAutoInstall();
+      }
+
+      if (_error->PendingError() == true)
+      {
+	 return false;
+      }
+
+      /* If we are in the Broken fixing mode we do not attempt to fix the
+	 problems. This is if the user invoked install without -f and gave
+	 packages */
+      if (BrokenFix == true && Cache->BrokenCount() != 0)
+      {
+	 c1out << _("You might want to run 'apt --fix-broken install' to correct these.") << std::endl;
+	 ShowBroken(c1out,Cache,false);
+	 return _error->Error(_("Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)."));
+      }
+
+      if (Fix != NULL)
+      {
+	 // Call the scored problem resolver
+	 OpTextProgress Progress(*_config);
+	 bool const distUpgradeMode = strcmp(CmdL.FileList[0], "dist-upgrade") == 0 || strcmp(CmdL.FileList[0], "full-upgrade") == 0;
+
+	 if (distUpgradeMode && _config->Find("Binary") == "apt")
+	    _config->CndSet("APT::Get::AutomaticRemove::Kernels", _config->FindB("APT::Get::AutomaticRemove", true));
+
+	 bool resolver_fail = false;
+	 if (distUpgradeMode == true || UpgradeMode != APT::Upgrade::ALLOW_EVERYTHING)
+	    resolver_fail = APT::Upgrade::Upgrade(Cache, UpgradeMode, &Progress);
+	 else
+	    resolver_fail = Fix->Resolve(true, &Progress);
+
+	 if (resolver_fail == false && Cache->BrokenCount() == 0)
+	    return false;
+      }
+
+      if (CheckNothingBroken(Cache) == false)
+	 return false;
+   }
+   if (!DoAutomaticRemove(Cache)) 
+      return false;
+
+   // if nothing changed in the cache, but only the automark information
+   // we write the StateFile here, otherwise it will be written in 
+   // cache.commit()
+   if (InstallAction.AutoMarkChanged > 0 &&
+       Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
+       Cache->BadCount() == 0 &&
+       _config->FindB("APT::Get::Simulate",false) == false)
+      Cache->writeStateFile(NULL);
+
+   SortedPackageUniverse Universe(Cache);
+   for (auto const &Pkg: Universe)
+      if (Pkg->CurrentVer != 0 && not Cache[Pkg].Upgrade() && not Cache[Pkg].Delete() &&
+	  UpgradablePackages.find(Pkg) != UpgradablePackages.end())
+	 HeldBackPackages.push_back(Pkg);
+
+   return true;
+}
+									/*}}}*/
+bool AddVolatileSourceFile(pkgSourceList *const SL, PseudoPkg &&pkg, std::vector<PseudoPkg> &VolatileCmdL)/*{{{*/
+{
+   auto const ext = flExtension(pkg.name);
+   if (ext != "dsc" && FileExists(pkg.name + "/debian/control") == false)
+      return false;
+   std::vector<std::string> files;
+   SL->AddVolatileFile(pkg.name, &files);
+   std::transform(files.begin(), files.end(), std::back_inserter(VolatileCmdL), [&](auto &&f) { return PseudoPkg{std::move(f), pkg.arch, pkg.release, pkg.index}; });
+   return true;
+
+}
+									/*}}}*/
+bool AddVolatileBinaryFile(pkgSourceList *const SL, PseudoPkg &&pkg, std::vector<PseudoPkg> &VolatileCmdL)/*{{{*/
+{
+   auto const ext = flExtension(pkg.name);
+   if (ext != "deb" && ext != "ddeb" && ext != "changes")
+      return false;
+   std::vector<std::string> files;
+   SL->AddVolatileFile(pkg.name, &files);
+   std::transform(files.begin(), files.end(), std::back_inserter(VolatileCmdL), [&](auto &&f) { return PseudoPkg{std::move(f), pkg.arch, pkg.release, pkg.index}; });
+   return true;
+}
+									/*}}}*/
+static bool AddIfVolatile(pkgSourceList *const SL, std::vector<PseudoPkg> &VolatileCmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), char const * const I, std::string const &pseudoArch)/*{{{*/
+{
+   if (I != nullptr && (I[0] == '/' || (I[0] == '.' && (I[1] == '\0' || (I[1] == '.' && (I[2] == '\0' || I[2] == '/')) || I[1] == '/'))))
+   {
+      PseudoPkg pkg(I, pseudoArch, "", SL->GetVolatileFiles().size());
+      if (FileExists(I)) // this accepts directories and symlinks, too
+      {
+	 if (Add(SL, std::move(pkg), VolatileCmdL))
+	    ;
+	 else
+	    _error->Error(_("Unsupported file %s given on commandline"), I);
+	 return true;
+      }
+      else
+      {
+	 auto const found = pkg.name.rfind("/");
+	 if (found == pkg.name.find("/"))
+	    _error->Error(_("Unsupported file %s given on commandline"), I);
+	 else
+	 {
+	    pkg.release = pkg.name.substr(found + 1);
+	    pkg.name.erase(found);
+	    if (Add(SL, std::move(pkg), VolatileCmdL))
+	       ;
+	    else
+	       _error->Error(_("Unsupported file %s given on commandline"), I);
+	 }
+	 return true;
+      }
+   }
+   return false;
+}
+									/*}}}*/
+std::vector<PseudoPkg> GetAllPackagesAsPseudo(pkgSourceList *const SL, CommandLine &CmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), std::string const &pseudoArch)/*{{{*/
+{
+   std::vector<PseudoPkg> PkgCmdL;
+   std::for_each(CmdL.FileList + 1, CmdL.FileList + CmdL.FileSize(), [&](char const *const I) {
+      if (AddIfVolatile(SL, PkgCmdL, Add, I, pseudoArch) == false)
+	 PkgCmdL.emplace_back(I, pseudoArch, "", -1);
+   });
+   return PkgCmdL;
+}
+									/*}}}*/
+std::vector<PseudoPkg> GetPseudoPackages(pkgSourceList *const SL, CommandLine &CmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), std::string const &pseudoArch)/*{{{*/
+{
+   std::vector<PseudoPkg> VolatileCmdL;
+   std::remove_if(CmdL.FileList + 1, CmdL.FileList + 1 + CmdL.FileSize(), [&](char const *const I) {
+      return AddIfVolatile(SL, VolatileCmdL, Add, I, pseudoArch);
+   });
+   return VolatileCmdL;
+}
+									/*}}}*/
+// DoInstall - Install packages from the command line			/*{{{*/
+// ---------------------------------------------------------------------
+/* Install named packages */
+struct PkgIsExtraInstalled {
+   pkgCacheFile * const Cache;
+   APT::VersionVector const * const verset;
+   PkgIsExtraInstalled(pkgCacheFile * const Cache, APT::VersionVector const * const Container) : Cache(Cache), verset(Container) {}
+   bool operator() (pkgCache::PkgIterator const &Pkg)
+   {
+        if ((*Cache)[Pkg].Install() == false)
+           return false;
+        pkgCache::VerIterator const Cand = (*Cache)[Pkg].CandidateVerIter(*Cache);
+	return std::find(verset->begin(), verset->end(), Cand) == verset->end();
+   }
+};
+bool DoInstall(CommandLine &CmdL)
+{
+   CacheFile Cache;
+   Cache.InhibitActionGroups(true);
+   if (Cache.BuildSourceList() == false)
+      return false;
+   auto VolatileCmdL = GetPseudoPackages(Cache.GetSourceList(), CmdL, AddVolatileBinaryFile, "");
+
+   // then open the cache
+   if (Cache.OpenForInstall() == false || 
+       Cache.CheckDeps(CmdL.FileSize() != 1) == false)
+      return false;
+
+   std::map<unsigned short, APT::VersionVector> verset;
+   std::set<std::string> UnknownPackages;
+   APT::PackageVector HeldBackPackages;
+
+   if (not DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, 0, UnknownPackages, HeldBackPackages))
+   {
+      RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.fail", CmdL.FileList, Cache, UnknownPackages);
+      return false;
+   }
+
+   /* Print out a list of packages that are going to be installed extra
+      to what the user asked */
+   SortedPackageUniverse Universe(Cache);
+   if (Cache->InstCount() != verset[MOD_INSTALL].size())
+      ShowList(c1out, _("The following additional packages will be installed:"), Universe,
+	    PkgIsExtraInstalled(&Cache, &verset[MOD_INSTALL]),
+	    &PrettyFullName, CandidateVersion(&Cache));
+
+   /* Print out a list of suggested and recommended packages */
+   {
+      std::list<std::string> Recommends, Suggests, SingleRecommends, SingleSuggests;
+      for (auto const &Pkg: Universe)
+      {
+	 /* Just look at the ones we want to install */
+	 if ((*Cache)[Pkg].Install() == false)
+	   continue;
+
+	 // get the recommends/suggests for the candidate ver
+	 pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
+	 for (pkgCache::DepIterator D = CV.DependsList(); D.end() == false; )
+	 {
+	    pkgCache::DepIterator Start;
+	    pkgCache::DepIterator End;
+	    D.GlobOr(Start,End); // advances D
+	    if (Start->Type != pkgCache::Dep::Recommends && Start->Type != pkgCache::Dep::Suggests)
+	       continue;
+
+	    {
+	       // Skip if we already saw this
+	       std::string target;
+	       for (pkgCache::DepIterator I = Start; I != D; ++I)
+	       {
+		  if (target.empty() == false)
+		     target.append(" | ");
+		  target.append(I.TargetPkg().FullName(true));
+	       }
+	       std::list<std::string> &Type = Start->Type == pkgCache::Dep::Recommends ? SingleRecommends : SingleSuggests;
+	       if (std::find(Type.begin(), Type.end(), target) != Type.end())
+		  continue;
+	       Type.push_back(target);
+	    }
+
+	    std::list<std::string> OrList;
+	    bool foundInstalledInOrGroup = false;
+	    for (pkgCache::DepIterator I = Start; I != D; ++I)
+	    {
+	       {
+		  // satisfying package is installed and not marked for deletion
+		  APT::VersionList installed = APT::VersionList::FromDependency(Cache, I, APT::CacheSetHelper::INSTALLED);
+		  if (std::find_if(installed.begin(), installed.end(),
+			   [&Cache](pkgCache::VerIterator const &Ver) { return Cache[Ver.ParentPkg()].Delete() == false; }) != installed.end())
+		  {
+		     foundInstalledInOrGroup = true;
+		     break;
+		  }
+	       }
+
+	       {
+		  // satisfying package is upgraded to/new install
+		  APT::VersionList upgrades = APT::VersionList::FromDependency(Cache, I, APT::CacheSetHelper::CANDIDATE);
+		  if (std::find_if(upgrades.begin(), upgrades.end(),
+			   [&Cache](pkgCache::VerIterator const &Ver) { return Cache[Ver.ParentPkg()].Upgrade(); }) != upgrades.end())
+		  {
+		     foundInstalledInOrGroup = true;
+		     break;
+		  }
+	       }
+
+	       if (OrList.empty())
+		  OrList.push_back(I.TargetPkg().FullName(true));
+	       else
+		  OrList.push_back("| " + I.TargetPkg().FullName(true));
+	    }
+
+	    if(foundInstalledInOrGroup == false)
+	    {
+	       std::list<std::string> &Type = Start->Type == pkgCache::Dep::Recommends ? Recommends : Suggests;
+	       std::move(OrList.begin(), OrList.end(), std::back_inserter(Type));
+	    }
+	 }
+      }
+      auto always_true = [](std::string const&) { return true; };
+      auto string_ident = [](std::string const&str) { return str; };
+      auto verbose_show_candidate =
+	 [&Cache](std::string str)
+	 {
+	    if (APT::String::Startswith(str, "| "))
+	       str.erase(0, 2);
+	    pkgCache::PkgIterator const Pkg = Cache->FindPkg(str);
+	    if (Pkg.end() == true)
+	       return "";
+	    return (*Cache)[Pkg].CandVersion;
+	 };
+      ShowList(c1out,_("Suggested packages:"), Suggests,
+	    always_true, string_ident, verbose_show_candidate);
+      ShowList(c1out,_("Recommended packages:"), Recommends,
+	    always_true, string_ident, verbose_show_candidate);
+   }
+
+   RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.pre-prompt", CmdL.FileList, Cache);
+
+   bool result;
+   // See if we need to prompt
+   // FIXME: check if really the packages in the set are going to be installed
+   if (Cache->InstCount() == verset[MOD_INSTALL].size() && Cache->DelCount() == 0)
+      result = InstallPackages(Cache, HeldBackPackages, false, false, true, "AptCli::Hooks::Install", CmdL);
+   else
+      result = InstallPackages(Cache, HeldBackPackages, false, true, true, "AptCli::Hooks::Install", CmdL);
+
+   if (result)
+      result = RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.post", CmdL.FileList, Cache);
+   else
+      /* not a result */ RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.fail", CmdL.FileList, Cache);
+
+   return result;
+}
+									/*}}}*/
+
+// TryToInstall - Mark a package for installation			/*{{{*/
+void TryToInstall::operator() (pkgCache::VerIterator const &Ver) {
+   if (unlikely(Ver.end()))
+   {
+      _error->Fatal("The given version to TryToInstall is invalid!");
+      return;
+   }
+   pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+   if (unlikely(Pkg.end()))
+   {
+      _error->Fatal("The given version to TryToInstall has an invalid parent package!");
+      return;
+   }
+
+   Cache->GetDepCache()->SetCandidateVersion(Ver);
+   pkgDepCache::StateCache &State = (*Cache)[Pkg];
+
+   // Handle the no-upgrade case
+   if (_config->FindB("APT::Get::upgrade",true) == false && Pkg->CurrentVer != 0)
+      ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"),
+	    Pkg.FullName(true).c_str());
+   // Ignore request for install if package would be new
+   else if (_config->FindB("APT::Get::Only-Upgrade", false) == true && Pkg->CurrentVer == 0)
+      ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"),
+	    Pkg.FullName(true).c_str());
+   else {
+      if (Fix != NULL) {
+	 Fix->Clear(Pkg);
+	 Fix->Protect(Pkg);
+      }
+      Cache->GetDepCache()->MarkInstall(Pkg,false);
+
+      if (State.Install() == false) {
+	 if (_config->FindB("APT::Get::ReInstall",false) == true) {
+	    if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
+	       ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
+		     Pkg.FullName(true).c_str());
+	    else
+	       Cache->GetDepCache()->SetReInstall(Pkg, true);
+	 } else
+	    // TRANSLATORS: First string is package name, second is version
+	    ioprintf(c1out,_("%s is already the newest version (%s).\n"),
+		  Pkg.FullName(true).c_str(), Pkg.CurrentVer().VerStr());
+      }
+
+      // Install it with autoinstalling enabled (if we not respect the minial
+      // required deps or the policy)
+      if (FixBroken == false)
+	 doAutoInstallLater.insert(Pkg);
+   }
+
+   // see if we need to fix the auto-mark flag
+   // e.g. apt-get install foo
+   // where foo is marked automatic
+   if (State.Install() == false &&
+	 (State.Flags & pkgCache::Flag::Auto) &&
+	 _config->FindB("APT::Get::ReInstall",false) == false &&
+	 _config->FindB("APT::Get::Only-Upgrade",false) == false &&
+	 _config->FindB("APT::Get::Download-Only",false) == false)
+   {
+      ioprintf(c1out,_("%s set to manually installed.\n"),
+	    Pkg.FullName(true).c_str());
+      Cache->GetDepCache()->MarkAuto(Pkg,false);
+      AutoMarkChanged++;
+   }
+}
+									/*}}}*/
+bool TryToInstall::propagateReleaseCandidateSwitching(std::list<std::pair<pkgCache::VerIterator, std::string> > const &start, std::ostream &out)/*{{{*/
+{
+   for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin();
+	 s != start.end(); ++s)
+      Cache->GetDepCache()->SetCandidateVersion(s->first);
+
+   bool Success = true;
+   // the Changed list contains:
+   //   first: "new version"
+   //   second: "what-caused the change"
+   std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > Changed;
+   for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin();
+	 s != start.end(); ++s)
+   {
+      Changed.push_back(std::make_pair(s->first, pkgCache::VerIterator(*Cache)));
+      // We continue here even if it failed to enhance the ShowBroken output
+      Success &= Cache->GetDepCache()->SetCandidateRelease(s->first, s->second, Changed);
+   }
+   for (std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::const_iterator c = Changed.begin();
+	 c != Changed.end(); ++c)
+   {
+      if (c->second.end() == true)
+      {
+	 auto const pkgname = c->first.ParentPkg().FullName(true);
+	 if (APT::String::Startswith(pkgname, "builddeps:"))
+	    continue;
+	 ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"),
+	       c->first.VerStr(), c->first.RelStr().c_str(), pkgname.c_str());
+      }
+      else if (c->first.ParentPkg()->Group != c->second.ParentPkg()->Group)
+      {
+	 auto pkgname = c->second.ParentPkg().FullName(true);
+	 if (APT::String::Startswith(pkgname, "builddeps:"))
+	    pkgname.replace(0, strlen("builddeps"), "src");
+	 pkgCache::VerIterator V = (*Cache)[c->first.ParentPkg()].CandidateVerIter(*Cache);
+	 ioprintf(out, _("Selected version '%s' (%s) for '%s' because of '%s'\n"), V.VerStr(),
+	       V.RelStr().c_str(), V.ParentPkg().FullName(true).c_str(), pkgname.c_str());
+      }
+   }
+   return Success;
+}
+									/*}}}*/
+void TryToInstall::doAutoInstall() {					/*{{{*/
+   auto * const DCache = Cache->GetDepCache();
+   for (auto const &P: doAutoInstallLater)
+      DCache->MarkInstall(P, true);
+   doAutoInstallLater.clear();
+}
+									/*}}}*/
+// TryToRemove - Mark a package for removal				/*{{{*/
+void TryToRemove::operator() (pkgCache::VerIterator const &Ver)
+{
+   pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+
+   if (Fix != NULL)
+   {
+      Fix->Clear(Pkg);
+      Fix->Protect(Pkg);
+      Fix->Remove(Pkg);
+   }
+
+   if ((Pkg->CurrentVer == 0 && PurgePkgs == false) ||
+	 (PurgePkgs == true && Pkg->CurrentState == pkgCache::State::NotInstalled))
+   {
+      pkgCache::GrpIterator Grp = Pkg.Group();
+      pkgCache::PkgIterator P = Grp.PackageList();
+      for (; P.end() != true; P = Grp.NextPkg(P))
+      {
+	 if (P == Pkg)
+	    continue;
+	 if (P->CurrentVer != 0 || (PurgePkgs == true && P->CurrentState != pkgCache::State::NotInstalled))
+	 {
+	    // TRANSLATORS: Note, this is not an interactive question
+	    ioprintf(c1out,_("Package '%s' is not installed, so not removed. Did you mean '%s'?\n"),
+		  Pkg.FullName(true).c_str(), P.FullName(true).c_str());
+	    break;
+	 }
+      }
+      if (P.end() == true)
+	 ioprintf(c1out,_("Package '%s' is not installed, so not removed\n"),Pkg.FullName(true).c_str());
+
+      // MarkInstall refuses to install packages on hold
+      Pkg->SelectedState = pkgCache::State::Hold;
+   }
+   else
+      Cache->GetDepCache()->MarkDelete(Pkg, PurgePkgs);
+}
+									/*}}}*/