Adding upstream version 2.7.12.upstream/2.7.12

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

6 files changed, 664 insertions, 0 deletions

diff --git a/apt-pkg/edsp/edspindexfile.cc b/apt-pkg/edsp/edspindexfile.cc
new file mode 100644
index 0000000..e97f168
--- /dev/null
+++ b/apt-pkg/edsp/edspindexfile.cc
@@ -0,0 +1,129 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+   The scenario file is designed to work as an intermediate file between
+   APT and the resolver. Its on propose very similar to a dpkg status file
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/edspindexfile.h>
+#include <apt-pkg/edsplistparser.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgrecords.h>
+
+#include <cstddef>
+#include <memory>
+#include <string>
+#include <unistd.h>
+									/*}}}*/
+
+// EDSP-like Index							/*{{{*/
+edspLikeIndex::edspLikeIndex(std::string const &File) : pkgDebianIndexRealFile(File, true)
+{
+}
+std::string edspLikeIndex::GetArchitecture() const
+{
+   return std::string();
+}
+bool edspLikeIndex::HasPackages() const
+{
+   return true;
+}
+bool edspLikeIndex::Exists() const
+{
+   return true;
+}
+uint8_t edspLikeIndex::GetIndexFlags() const
+{
+   return 0;
+}
+bool edspLikeIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
+{
+   if (FileName.empty() == false && FileName != "/nonexistent/stdin")
+      return pkgDebianIndexRealFile::OpenListFile(Pkg, FileName);
+   if (Pkg.OpenDescriptor(STDIN_FILENO, FileFd::ReadOnly) == false)
+      return _error->Error("Problem opening %s",FileName.c_str());
+   return true;
+}
+									/*}}}*/
+// EDSP Index								/*{{{*/
+edspIndex::edspIndex(std::string const &File) : edspLikeIndex(File)
+{
+}
+std::string edspIndex::GetComponent() const
+{
+   return "edsp";
+}
+pkgCacheListParser * edspIndex::CreateListParser(FileFd &Pkg)
+{
+   if (Pkg.IsOpen() == false)
+      return nullptr;
+   _error->PushToStack();
+   std::unique_ptr<pkgCacheListParser> Parser(new edspListParser(&Pkg));
+   bool const newError = _error->PendingError();
+   _error->MergeWithStack();
+   return newError ? nullptr : Parser.release();
+}
+									/*}}}*/
+// EIPP Index								/*{{{*/
+eippIndex::eippIndex(std::string const &File) : edspLikeIndex(File)
+{
+}
+std::string eippIndex::GetComponent() const
+{
+   return "eipp";
+}
+pkgCacheListParser * eippIndex::CreateListParser(FileFd &Pkg)
+{
+   if (Pkg.IsOpen() == false)
+      return nullptr;
+   _error->PushToStack();
+   std::unique_ptr<pkgCacheListParser> Parser(new eippListParser(&Pkg));
+   bool const newError = _error->PendingError();
+   _error->MergeWithStack();
+   return newError ? nullptr : Parser.release();
+}
+									/*}}}*/
+
+// Index File types for APT						/*{{{*/
+class APT_HIDDEN edspIFType: public pkgIndexFile::Type
+{
+   public:
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &) const APT_OVERRIDE
+   {
+      // we don't have a record parser for this type as the file is not persistent
+      return NULL;
+   };
+   edspIFType() {Label = "EDSP scenario file";};
+};
+APT_HIDDEN edspIFType _apt_Edsp;
+const pkgIndexFile::Type *edspIndex::GetType() const
+{
+   return &_apt_Edsp;
+}
+
+class APT_HIDDEN eippIFType: public pkgIndexFile::Type
+{
+   public:
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &) const APT_OVERRIDE
+   {
+      // we don't have a record parser for this type as the file is not persistent
+      return NULL;
+   };
+   eippIFType() {Label = "EIPP scenario file";};
+};
+APT_HIDDEN eippIFType _apt_Eipp;
+const pkgIndexFile::Type *eippIndex::GetType() const
+{
+   return &_apt_Eipp;
+}
+									/*}}}*/
+
+edspLikeIndex::~edspLikeIndex() {}
+edspIndex::~edspIndex() {}
+eippIndex::~eippIndex() {}
diff --git a/apt-pkg/edsp/edspindexfile.h b/apt-pkg/edsp/edspindexfile.h
new file mode 100644
index 0000000..42ef3fe
--- /dev/null
+++ b/apt-pkg/edsp/edspindexfile.h
@@ -0,0 +1,59 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+   The scenario file is designed to work as an intermediate file between
+   APT and the resolver. Its on propose very similar to a dpkg status file
+   ##################################################################### */
+									/*}}}*/
+#ifndef PKGLIB_EDSPINDEXFILE_H
+#define PKGLIB_EDSPINDEXFILE_H
+
+#include <apt-pkg/debindexfile.h>
+#include <string>
+
+
+class OpProgress;
+class pkgCacheGenerator;
+
+class APT_HIDDEN edspLikeIndex : public pkgDebianIndexRealFile
+{
+protected:
+   virtual bool OpenListFile(FileFd &Pkg, std::string const &File) APT_OVERRIDE;
+   virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+   virtual std::string GetArchitecture() const APT_OVERRIDE;
+
+public:
+   virtual bool Exists() const APT_OVERRIDE;
+   virtual bool HasPackages() const APT_OVERRIDE;
+
+   explicit edspLikeIndex(std::string const &File);
+   virtual ~edspLikeIndex();
+};
+
+class APT_HIDDEN edspIndex : public edspLikeIndex
+{
+protected:
+   APT_HIDDEN virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+   virtual std::string GetComponent() const APT_OVERRIDE;
+
+public:
+   virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+   explicit edspIndex(std::string const &File);
+   virtual ~edspIndex();
+};
+
+class APT_HIDDEN eippIndex : public edspLikeIndex
+{
+protected:
+   APT_HIDDEN virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+   virtual std::string GetComponent() const APT_OVERRIDE;
+
+public:
+   virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+   explicit eippIndex(std::string const &File);
+   virtual ~eippIndex();
+};
+
+#endif
diff --git a/apt-pkg/edsp/edsplistparser.cc b/apt-pkg/edsp/edsplistparser.cc
new file mode 100644
index 0000000..5419069
--- /dev/null
+++ b/apt-pkg/edsp/edsplistparser.cc
@@ -0,0 +1,177 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   Package Cache Generator - Generator for the cache structure.
+
+   This builds the cache structure from the abstract package list parser.
+
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/edsplistparser.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/string_view.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile-keys.h>
+#include <apt-pkg/tagfile.h>
+
+#include <array>
+
+									/*}}}*/
+
+// ListParser::edspListParser - Constructor				/*{{{*/
+edspLikeListParser::edspLikeListParser(FileFd * const File) : debListParser(File)
+{
+}
+edspListParser::edspListParser(FileFd * const File) : edspLikeListParser(File)
+{
+   std::string const states = _config->FindFile("Dir::State::extended_states");
+   RemoveFile("edspListParserPrivate", states);
+   extendedstates.Open(states, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive, 0600);
+   std::string const prefs = _config->FindFile("Dir::Etc::preferences");
+   RemoveFile("edspListParserPrivate", prefs);
+   preferences.Open(prefs, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive, 0600);
+}
+									/*}}}*/
+// ListParser::NewVersion - Fill in the version structure		/*{{{*/
+bool edspLikeListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+   _system->SetVersionMapping(Ver->ID, Section.FindI("APT-ID", Ver->ID));
+   return debListParser::NewVersion(Ver);
+}
+									/*}}}*/
+// ListParser::Description - Return the description string		/*{{{*/
+// ---------------------------------------------------------------------
+/* Sorry, no description for the resolvers… */
+std::vector<std::string> edspLikeListParser::AvailableDescriptionLanguages()
+{
+   return {};
+}
+APT::StringView edspLikeListParser::Description_md5()
+{
+   return APT::StringView();
+}
+									/*}}}*/
+// ListParser::VersionHash - Compute a unique hash for this version	/*{{{*/
+uint32_t edspLikeListParser::VersionHash()
+{
+   if (Section.Exists("APT-ID") == true)
+      return Section.FindI("APT-ID");
+   return 0;
+}
+									/*}}}*/
+// ListParser::ParseStatus - Parse the status field			/*{{{*/
+// ---------------------------------------------------------------------
+/* The Status: line here is not a normal dpkg one but just one which tells
+   use if the package is installed or not, where missing means not. */
+bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+				pkgCache::VerIterator &Ver)
+{
+   unsigned long state = 0;
+   if (Section.FindFlag("Hold",state,pkgCache::State::Hold) == false)
+      return false;
+   if (state != 0)
+      Pkg->SelectedState = pkgCache::State::Hold;
+
+   state = 0;
+   if (Section.FindFlag("Installed",state,pkgCache::State::Installed) == false)
+      return false;
+   if (state != 0)
+   {
+      Pkg->CurrentState = pkgCache::State::Installed;
+      Pkg->CurrentVer = Ver.MapPointer();
+   }
+
+   if (Section.FindB("APT-Automatic", false))
+   {
+      std::string out;
+      strprintf(out, "Package: %s\nArchitecture: %s\nAuto-Installed: 1\n\n", Pkg.Name(), Pkg.Arch());
+      if (extendedstates.Write(out.c_str(), out.length()) == false)
+	 return false;
+   }
+
+   // FIXME: Using an overriding pin is wrong.
+   if (Section.FindB("APT-Candidate", false))
+   {
+      std::string out;
+      strprintf(out, "Package: %s\nPin: version %s\nPin-Priority: 9999\n\n", Pkg.FullName().c_str(), Ver.VerStr());
+      if (preferences.Write(out.c_str(), out.length()) == false)
+	 return false;
+   }
+
+   signed short const pinvalue = Section.FindI("APT-Pin", 500);
+   if (pinvalue != 500)
+   {
+      std::string out;
+      strprintf(out, "Package: %s\nPin: version %s\nPin-Priority: %d\n\n", Pkg.FullName().c_str(), Ver.VerStr(), pinvalue);
+      if (preferences.Write(out.c_str(), out.length()) == false)
+	 return false;
+   }
+
+   return true;
+}
+									/*}}}*/
+
+// ListParser::eippListParser - Constructor				/*{{{*/
+eippListParser::eippListParser(FileFd *File) : edspLikeListParser(File)
+{
+}
+									/*}}}*/
+// ListParser::ParseStatus - Parse the status field			/*{{{*/
+// ---------------------------------------------------------------------
+/* The Status: line here is not a normal dpkg one but just one which tells
+   use if the package is installed or not, where missing means not. */
+bool eippListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+				pkgCache::VerIterator &Ver)
+{
+   // Process the flag field
+   static std::array<WordList, 8> const statusvalues = {{
+      {"not-installed",pkgCache::State::NotInstalled},
+      {"config-files",pkgCache::State::ConfigFiles},
+      {"half-installed",pkgCache::State::HalfInstalled},
+      {"unpacked",pkgCache::State::UnPacked},
+      {"half-configured",pkgCache::State::HalfConfigured},
+      {"triggers-awaited",pkgCache::State::TriggersAwaited},
+      {"triggers-pending",pkgCache::State::TriggersPending},
+      {"installed",pkgCache::State::Installed},
+   }};
+   auto const status = Section.Find(pkgTagSection::Key::Status);
+   if (not status.empty())
+   {
+      for (auto && sv: statusvalues)
+      {
+	 if (status != sv.Str)
+	    continue;
+	 Pkg->CurrentState = sv.Val;
+	 switch (Pkg->CurrentState)
+	 {
+	    case pkgCache::State::NotInstalled:
+	    case pkgCache::State::ConfigFiles:
+	       break;
+	    case pkgCache::State::HalfInstalled:
+	    case pkgCache::State::UnPacked:
+	    case pkgCache::State::HalfConfigured:
+	    case pkgCache::State::TriggersAwaited:
+	    case pkgCache::State::TriggersPending:
+	    case pkgCache::State::Installed:
+	       Pkg->CurrentVer = Ver.MapPointer();
+	       break;
+	 }
+	 break;
+      }
+   }
+
+   return true;
+}
+									/*}}}*/
+
+edspLikeListParser::~edspLikeListParser() {}
+edspListParser::~edspListParser() {}
+eippListParser::~eippListParser() {}
diff --git a/apt-pkg/edsp/edsplistparser.h b/apt-pkg/edsp/edsplistparser.h
new file mode 100644
index 0000000..41bfd1f
--- /dev/null
+++ b/apt-pkg/edsp/edsplistparser.h
@@ -0,0 +1,58 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   EDSP Package List Parser - This implements the abstract parser
+   interface for the APT specific intermediate format which is passed
+   to external resolvers
+
+   ##################################################################### */
+									/*}}}*/
+#ifndef PKGLIB_EDSPLISTPARSER_H
+#define PKGLIB_EDSPLISTPARSER_H
+
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <string>
+
+
+namespace APT {
+   class StringView;
+}
+class APT_HIDDEN edspLikeListParser : public debListParser
+{
+   public:
+   virtual bool NewVersion(pkgCache::VerIterator &Ver) APT_OVERRIDE;
+   virtual std::vector<std::string> AvailableDescriptionLanguages() APT_OVERRIDE;
+   virtual APT::StringView Description_md5() APT_OVERRIDE;
+   virtual uint32_t VersionHash() APT_OVERRIDE;
+
+   explicit edspLikeListParser(FileFd *File);
+   virtual ~edspLikeListParser();
+};
+
+class APT_HIDDEN edspListParser : public edspLikeListParser
+{
+   FileFd extendedstates;
+   FileFd preferences;
+
+protected:
+   virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver) APT_OVERRIDE;
+
+public:
+   explicit edspListParser(FileFd *File);
+   virtual ~edspListParser();
+};
+
+class APT_HIDDEN eippListParser : public edspLikeListParser
+{
+protected:
+   virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver) APT_OVERRIDE;
+
+public:
+   explicit eippListParser(FileFd *File);
+   virtual ~eippListParser();
+};
+#endif
diff --git a/apt-pkg/edsp/edspsystem.cc b/apt-pkg/edsp/edspsystem.cc
new file mode 100644
index 0000000..b12b20d
--- /dev/null
+++ b/apt-pkg/edsp/edspsystem.cc
@@ -0,0 +1,166 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   This system provides the abstraction to use the scenario file as the
+   only source of package information to be able to feed the created file
+   back to APT for its own consumption (eat your own dogfood).
+
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debversion.h>
+#include <apt-pkg/edspindexfile.h>
+#include <apt-pkg/edspsystem.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <cstddef>
+#include <cstdlib>
+#include <unistd.h>
+
+#include <string>
+#include <vector>
+
+									/*}}}*/
+
+// System::System - Constructor						/*{{{*/
+edspLikeSystem::edspLikeSystem(char const * const Label) : pkgSystem(Label, &debVS)
+{
+}
+edspSystem::edspSystem() : edspLikeSystem("Debian APT solver interface")
+{
+}
+eippSystem::eippSystem() : edspLikeSystem("Debian APT planner interface")
+{
+}
+									/*}}}*/
+// System::Lock - Get the lock						/*{{{*/
+bool edspLikeSystem::Lock(OpProgress *)
+{
+   return true;
+}
+									/*}}}*/
+// System::UnLock - Drop a lock						/*{{{*/
+bool edspLikeSystem::UnLock(bool /*NoErrors*/)
+{
+   return true;
+}
+									/*}}}*/
+// System::CreatePM - Create the underlying package manager		/*{{{*/
+// ---------------------------------------------------------------------
+/* we can't use edsp input as input for real installations - just a
+   simulation can work, but everything else will fail bigtime */
+pkgPackageManager *edspLikeSystem::CreatePM(pkgDepCache * /*Cache*/) const
+{
+   return nullptr;
+}
+									/*}}}*/
+// System::Initialize - Setup the configuration space..			/*{{{*/
+bool edspLikeSystem::Initialize(Configuration &Cnf)
+{
+   Cnf.Set("Dir::Log", "/dev/null");
+   // state is included completely in the input files
+   Cnf.Set("Dir::Etc::preferences", "/dev/null");
+   Cnf.Set("Dir::Etc::preferencesparts", "/dev/null");
+   Cnf.Set("Dir::State::status","/dev/null");
+   Cnf.Set("Dir::State::extended_states","/dev/null");
+   Cnf.Set("Dir::State::lists","/dev/null");
+   // do not store an mmap cache
+   Cnf.Set("Dir::Cache::pkgcache", "");
+   Cnf.Set("Dir::Cache::srcpkgcache", "");
+   // the protocols only propose actions, not do them
+   Cnf.Set("Debug::NoLocking", "true");
+   Cnf.Set("APT::Get::Simulate", "true");
+
+   StatusFile.reset(nullptr);
+   return true;
+}
+bool edspSystem::Initialize(Configuration &Cnf)
+{
+   if (edspLikeSystem::Initialize(Cnf) == false)
+      return false;
+   std::string const tmp = GetTempDir();
+   char tmpname[300];
+   snprintf(tmpname, sizeof(tmpname), "%s/apt-edsp-solver-XXXXXX", tmp.c_str());
+   if (nullptr == mkdtemp(tmpname))
+      return false;
+   tempDir = tmpname;
+   tempStatesFile = flCombine(tempDir, "extended_states");
+   Cnf.Set("Dir::State::extended_states", tempStatesFile);
+   tempPrefsFile = flCombine(tempDir, "apt_preferences");
+   Cnf.Set("Dir::Etc::preferences", tempPrefsFile);
+   return true;
+}
+									/*}}}*/
+// System::ArchiveSupported - Is a file format supported		/*{{{*/
+bool edspLikeSystem::ArchiveSupported(const char * /*Type*/)
+{
+   return false;
+}
+									/*}}}*/
+// System::Score - Never use the EDSP system automatically		/*{{{*/
+signed edspLikeSystem::Score(Configuration const &)
+{
+   return -1000;
+}
+									/*}}}*/
+// System::FindIndex - Get an index file for status files		/*{{{*/
+bool edspLikeSystem::FindIndex(pkgCache::PkgFileIterator File,
+			  pkgIndexFile *&Found) const
+{
+   if (StatusFile == 0)
+      return false;
+   if (StatusFile->FindInCache(*File.Cache()) == File)
+   {
+      Found = StatusFile.get();
+      return true;
+   }
+
+   return false;
+}
+									/*}}}*/
+bool edspSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List)	/*{{{*/
+{
+   if (StatusFile == nullptr)
+   {
+      if (_config->Find("edsp::scenario", "") == "/nonexistent/stdin")
+	 StatusFile.reset(new edspIndex("/nonexistent/stdin"));
+      else
+	 StatusFile.reset(new edspIndex(_config->FindFile("edsp::scenario")));
+   }
+   List.push_back(StatusFile.get());
+   return true;
+}
+									/*}}}*/
+bool eippSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List)	/*{{{*/
+{
+   if (StatusFile == nullptr)
+   {
+      if (_config->Find("eipp::scenario", "") == "/nonexistent/stdin")
+	 StatusFile.reset(new eippIndex("/nonexistent/stdin"));
+      else
+	 StatusFile.reset(new eippIndex(_config->FindFile("eipp::scenario")));
+   }
+   List.push_back(StatusFile.get());
+   return true;
+}
+									/*}}}*/
+
+edspLikeSystem::~edspLikeSystem() {}
+edspSystem::~edspSystem()
+{
+   if (tempDir.empty())
+      return;
+
+   RemoveFile("~edspSystem", tempStatesFile);
+   RemoveFile("~edspSystem", tempPrefsFile);
+   rmdir(tempDir.c_str());
+}
+eippSystem::~eippSystem() {}
+
+APT_HIDDEN edspSystem edspSys;
+APT_HIDDEN eippSystem eippSys;
diff --git a/apt-pkg/edsp/edspsystem.h b/apt-pkg/edsp/edspsystem.h
new file mode 100644
index 0000000..97c2d66
--- /dev/null
+++ b/apt-pkg/edsp/edspsystem.h
@@ -0,0 +1,75 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   System - Debian version of the  System Class
+
+   ##################################################################### */
+									/*}}}*/
+#ifndef PKGLIB_EDSPSYSTEM_H
+#define PKGLIB_EDSPSYSTEM_H
+
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/error.h>
+
+#include <memory>
+#include <vector>
+
+#include <apt-pkg/macros.h>
+
+class Configuration;
+class pkgDepCache;
+class pkgIndexFile;
+class pkgPackageManager;
+
+class APT_HIDDEN edspLikeSystem : public pkgSystem
+{
+protected:
+   std::unique_ptr<pkgIndexFile> StatusFile;
+
+public:
+   virtual bool Lock(OpProgress * const Progress) APT_OVERRIDE APT_PURE;
+   virtual bool UnLock(bool NoErrors = false) APT_OVERRIDE APT_PURE;
+   virtual pkgPackageManager *CreatePM(pkgDepCache *Cache) const APT_OVERRIDE APT_PURE;
+   virtual bool Initialize(Configuration &Cnf) APT_OVERRIDE;
+   virtual bool ArchiveSupported(const char *Type) APT_OVERRIDE APT_PURE;
+   virtual signed Score(Configuration const &Cnf) APT_OVERRIDE;
+   virtual bool FindIndex(pkgCache::PkgFileIterator File,
+			  pkgIndexFile *&Found) const APT_OVERRIDE;
+
+   bool MultiArchSupported() const override { return true; }
+   std::vector<std::string> ArchitecturesSupported() const override { return {}; };
+
+   bool LockInner(OpProgress * const, int) override { return _error->Error("LockInner is not implemented"); };
+   bool UnLockInner(bool) override { return _error->Error("UnLockInner is not implemented"); };
+   bool IsLocked() override { return true; };
+
+   explicit edspLikeSystem(char const * const Label);
+   virtual ~edspLikeSystem();
+};
+
+class APT_HIDDEN edspSystem : public edspLikeSystem
+{
+   std::string tempDir;
+   std::string tempStatesFile;
+   std::string tempPrefsFile;
+
+public:
+   virtual bool Initialize(Configuration &Cnf) APT_OVERRIDE;
+   virtual bool AddStatusFiles(std::vector<pkgIndexFile *> &List) APT_OVERRIDE;
+
+   edspSystem();
+   virtual ~edspSystem();
+};
+
+class APT_HIDDEN eippSystem : public edspLikeSystem
+{
+   public:
+   virtual bool AddStatusFiles(std::vector<pkgIndexFile *> &List) APT_OVERRIDE;
+
+   eippSystem();
+   virtual ~eippSystem();
+};
+
+#endif