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Merge branch 'feature/apt-dpkg-comm'
[apt.git] / apt-pkg / deb / debindexfile.cc
diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc
index c9e7f11767f295c48937759ccebaad49f4abc5bd..6a23b2c00ae57b96881857110f6df6a756abee1f 100644 (file)
--- a/apt-pkg/deb/debindexfile.cc
+++ b/apt-pkg/deb/debindexfile.cc
@@ -9,46 +9,41 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/debindexfile.h>
 #include <apt-pkg/debsrcrecords.h>
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/debrecords.h>
 #include <apt-pkg/debindexfile.h>
 #include <apt-pkg/debsrcrecords.h>
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/debrecords.h>
-#include <apt-pkg/sourcelist.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/progress.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/acquire-item.h>
-#include <apt-pkg/debmetaindex.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/srcrecords.h>
+
+#include <stdio.h>
+#include <iostream>
+#include <string>
+#include <sstream>
 
 #include <sys/stat.h>
                                                                        /*}}}*/
 
 
 #include <sys/stat.h>
                                                                        /*}}}*/
 
-// SourcesIndex::debSourcesIndex - Constructor                         /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
-     pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
+// Sources Index                                                       /*{{{*/
+debSourcesIndex::debSourcesIndex(IndexTarget const &Target,bool const Trusted) :
+     pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
 {
 }
 {
 }
-                                                                       /*}}}*/
-// SourcesIndex::SourceInfo - Short 1 liner describing a source                /*{{{*/
-// ---------------------------------------------------------------------
-/* The result looks like:
-     http://foo/debian/ stable/main src 1.1.1 (dsc) */
-string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
+std::string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
                                   pkgSrcRecords::File const &File) const
 {
                                   pkgSrcRecords::File const &File) const
 {
-   string Res;
-   Res = ::URI::NoUserPassword(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Res += Dist;
-   }      
-   else
-      Res += Dist + '/' + Section;
-   
+   // The result looks like: http://foo/debian/ stable/main src 1.1.1 (dsc)
+   std::string Res = Target.Description;
+   Res.erase(Target.Description.rfind(' '));
+
    Res += " ";
    Res += Record.Package();
    Res += " ";
    Res += " ";
    Res += Record.Package();
    Res += " ";
@@ -57,640 +52,368 @@ string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
       Res += " (" + File.Type + ")";
    return Res;
 }
       Res += " (" + File.Type + ")";
    return Res;
 }
-                                                                       /*}}}*/
-// SourcesIndex::CreateSrcParser - Get a parser for the source files   /*{{{*/
-// ---------------------------------------------------------------------
-/* */
 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
 {
 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
 {
-   string SourcesURI = _config->FindDir("Dir::State::lists") + 
-      URItoFileName(IndexURI("Sources"));
-   string SourcesURIgzip = SourcesURI + ".gz";
-
-   if (!FileExists(SourcesURI) && !FileExists(SourcesURIgzip))
-      return NULL;
-   else if (!FileExists(SourcesURI) && FileExists(SourcesURIgzip))
-      SourcesURI = SourcesURIgzip;
-
-   return new debSrcRecordParser(SourcesURI,this);
-}
-                                                                       /*}}}*/
-// SourcesIndex::Describe - Give a descriptive path to the index       /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debSourcesIndex::Describe(bool Short) const
-{
-   char S[300];
-   if (Short == true)
-      snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
-   else
-      snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
-              IndexFile("Sources").c_str());
-   
-   return S;
-}
-                                                                       /*}}}*/
-// SourcesIndex::Info - One liner describing the index URI             /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debSourcesIndex::Info(const char *Type) const
-{
-   string Info = ::URI::NoUserPassword(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Info += Dist;
-   }
-   else
-      Info += Dist + '/' + Section;   
-   Info += " ";
-   Info += Type;
-   return Info;
+   std::string const SourcesURI = IndexFileName();
+   if (FileExists(SourcesURI))
+      return new debSrcRecordParser(SourcesURI, this);
+   return NULL;
 }
 }
-                                                                       /*}}}*/
-// SourcesIndex::Index* - Return the URI to the index files            /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-inline string debSourcesIndex::IndexFile(const char *Type) const
-{
-   string s = URItoFileName(IndexURI(Type));
-   string sgzip = s + ".gz";
-   if (!FileExists(s) && FileExists(sgzip))
-       return sgzip;
-   else
-       return s;
-}
-
-string debSourcesIndex::IndexURI(const char *Type) const
+bool debSourcesIndex::OpenListFile(FileFd &, std::string const &)
 {
 {
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Res = URI + Dist;
-      else 
-        Res = URI;
-   }
-   else
-      Res = URI + "dists/" + Dist + '/' + Section +
-      "/source/";
-   
-   Res += Type;
-   return Res;
+   return true;
 }
 }
-                                                                       /*}}}*/
-// SourcesIndex::Exists - Check if the index is available              /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debSourcesIndex::Exists() const
+pkgCacheListParser * debSourcesIndex::CreateListParser(FileFd &)
 {
 {
-   return FileExists(IndexFile("Sources"));
+   return NULL;
 }
 }
-                                                                       /*}}}*/
-// SourcesIndex::Size - Return the size of the index                   /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-unsigned long debSourcesIndex::Size() const
+uint8_t debSourcesIndex::GetIndexFlags() const
 {
 {
-   unsigned long size = 0;
-
-   /* we need to ignore errors here; if the lists are absent, just return 0 */
-   _error->PushToStack();
-
-   FileFd f = FileFd (IndexFile("Sources"), FileFd::ReadOnlyGzip);
-   if (!f.Failed())
-      size = f.Size();
-
-   if (_error->PendingError() == true)
-       size = 0;
-   _error->RevertToStack();
-
-   return size;
+   return 0;
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-
-// PackagesIndex::debPackagesIndex - Contructor                                /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-debPackagesIndex::debPackagesIndex(string const &URI, string const &Dist, string const &Section,
-                                       bool const &Trusted, string const &Arch) :
-                  pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section), Architecture(Arch)
+// Packages Index                                                      /*{{{*/
+debPackagesIndex::debPackagesIndex(IndexTarget const &Target, bool const Trusted) :
+                  pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
 {
 {
-       if (Architecture == "native")
-               Architecture = _config->Find("APT::Architecture");
 }
 }
-                                                                       /*}}}*/
-// PackagesIndex::ArchiveInfo - Short version of the archive url       /*{{{*/
-// ---------------------------------------------------------------------
-/* This is a shorter version that is designed to be < 60 chars or so */
-string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
+std::string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator const &Ver) const
 {
 {
-   string Res = ::URI::NoUserPassword(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Res += Dist;
-   }
-   else
-      Res += Dist + '/' + Section;
-   
+   std::string Res = Target.Description;
+   Res.erase(Target.Description.rfind(' '));
+
    Res += " ";
    Res += Ver.ParentPkg().Name();
    Res += " ";
    Res += " ";
    Res += Ver.ParentPkg().Name();
    Res += " ";
-   if (Dist[Dist.size() - 1] != '/')
+   std::string const Dist = Target.Option(IndexTarget::RELEASE);
+   if (Dist.empty() == false && Dist[Dist.size() - 1] != '/')
       Res.append(Ver.Arch()).append(" ");
    Res += Ver.VerStr();
    return Res;
 }
       Res.append(Ver.Arch()).append(" ");
    Res += Ver.VerStr();
    return Res;
 }
-                                                                       /*}}}*/
-// PackagesIndex::Describe - Give a descriptive path to the index      /*{{{*/
-// ---------------------------------------------------------------------
-/* This should help the user find the index in the sources.list and
-   in the filesystem for problem solving */
-string debPackagesIndex::Describe(bool Short) const
-{   
-   char S[300];
-   if (Short == true)
-      snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
-   else
-      snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
-              IndexFile("Packages").c_str());
-   return S;
+uint8_t debPackagesIndex::GetIndexFlags() const
+{
+   return 0;
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// PackagesIndex::Info - One liner describing the index URI            /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debPackagesIndex::Info(const char *Type) const 
+// Translation-* Index                                                 /*{{{*/
+debTranslationsIndex::debTranslationsIndex(IndexTarget const &Target) :
+                       pkgDebianIndexTargetFile(Target, true), d(NULL)
+{}
+bool debTranslationsIndex::HasPackages() const
+{
+   return Exists();
+}
+bool debTranslationsIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
 {
 {
-   string Info = ::URI::NoUserPassword(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
+   if (FileExists(FileName))
+      return pkgDebianIndexTargetFile::OpenListFile(Pkg, FileName);
+   return true;
+}
+uint8_t debTranslationsIndex::GetIndexFlags() const
+{
+   return pkgCache::Flag::NotSource | pkgCache::Flag::NoPackages;
+}
+std::string debTranslationsIndex::GetArchitecture() const
+{
+   return std::string();
+}
+pkgCacheListParser * debTranslationsIndex::CreateListParser(FileFd &Pkg)
+{
+   if (Pkg.IsOpen() == false)
+      return nullptr;
+   _error->PushToStack();
+   pkgCacheListParser * const Parser = new debTranslationsParser(&Pkg);
+   bool const newError = _error->PendingError();
+   _error->MergeWithStack();
+   if (newError)
    {
    {
-      if (Dist != "/")
-        Info += Dist;
+      delete Parser;
+      return nullptr;
    }
    else
    }
    else
-      Info += Dist + '/' + Section;   
-   Info += " ";
-   if (Dist[Dist.size() - 1] != '/')
-      Info += Architecture + " ";
-   Info += Type;
-   return Info;
+      return Parser;
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// PackagesIndex::Index* - Return the URI to the index files           /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-inline string debPackagesIndex::IndexFile(const char *Type) const
-{
-   string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
-   string sgzip = s + ".gz";
-   if (!FileExists(s) && FileExists(sgzip))
-       return sgzip;
-   else
-       return s;
+// dpkg/status Index                                                   /*{{{*/
+debStatusIndex::debStatusIndex(std::string const &File) : pkgDebianIndexRealFile(File, true), d(NULL)
+{
+}
+std::string debStatusIndex::GetArchitecture() const
+{
+   return std::string();
+}
+std::string debStatusIndex::GetComponent() const
+{
+   return "now";
+}
+uint8_t debStatusIndex::GetIndexFlags() const
+{
+   return pkgCache::Flag::NotSource;
 }
 }
-string debPackagesIndex::IndexURI(const char *Type) const
+
+pkgCacheListParser * debStatusIndex::CreateListParser(FileFd &Pkg)
 {
 {
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
+   if (Pkg.IsOpen() == false)
+      return nullptr;
+   _error->PushToStack();
+   pkgCacheListParser * const Parser = new debStatusListParser(&Pkg);
+   bool const newError = _error->PendingError();
+   _error->MergeWithStack();
+   if (newError)
    {
    {
-      if (Dist != "/")
-        Res = URI + Dist;
-      else 
-        Res = URI;
+      delete Parser;
+      return nullptr;
    }
    else
    }
    else
-      Res = URI + "dists/" + Dist + '/' + Section +
-      "/binary-" + Architecture + '/';
-   
-   Res += Type;
-   return Res;
+      return Parser;
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// PackagesIndex::Exists - Check if the index is available             /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debPackagesIndex::Exists() const
+// DebPkgFile Index - a single .deb file as an index                   /*{{{*/
+debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile)
+   : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile)
 {
 {
-   return FileExists(IndexFile("Packages"));
 }
 }
-                                                                       /*}}}*/
-// PackagesIndex::Size - Return the size of the index                  /*{{{*/
-// ---------------------------------------------------------------------
-/* This is really only used for progress reporting. */
-unsigned long debPackagesIndex::Size() const
+bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile)
 {
 {
-   unsigned long size = 0;
-
-   /* we need to ignore errors here; if the lists are absent, just return 0 */
-   _error->PushToStack();
-
-   FileFd f = FileFd (IndexFile("Packages"), FileFd::ReadOnlyGzip);
-   if (!f.Failed())
-      size = f.Size();
+   struct stat Buf;
+   if (stat(debfile.c_str(), &Buf) != 0)
+      return false;
 
 
-   if (_error->PendingError() == true)
-       size = 0;
-   _error->RevertToStack();
+   // get the control data out of the deb file via dpkg-deb -I
+   std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb");
+   std::vector<const char *> Args;
+   Args.push_back(dpkg.c_str());
+   Args.push_back("-I");
+   Args.push_back(debfile.c_str());
+   Args.push_back("control");
+   Args.push_back(NULL);
+   FileFd PipeFd;
+   pid_t Child;
+   if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false)
+      return _error->Error("Popen failed");
+
+   content << "Filename: " << debfile << "\n";
+   content << "Size: " << std::to_string(Buf.st_size) << "\n";
+   bool first_line_seen = false;
+   char buffer[1024];
+   do {
+      unsigned long long actual = 0;
+      if (PipeFd.Read(buffer, sizeof(buffer)-1, &actual) == false)
+        return _error->Errno("read", "Failed to read dpkg pipe");
+      if (actual == 0)
+        break;
+      buffer[actual] = '\0';
+      char const * b = buffer;
+      if (first_line_seen == false)
+      {
+        for (; *b != '\0' && (*b == '\n' || *b == '\r'); ++b)
+           /* skip over leading newlines */;
+        if (*b == '\0')
+           continue;
+        first_line_seen = true;
+      }
+      content << b;
+   } while(true);
+   ExecWait(Child, "Popen");
 
 
-   return size;
+   return true;
 }
 }
-                                                                       /*}}}*/
-// PackagesIndex::Merge - Load the index file into a cache             /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
-{
-   string PackageFile = IndexFile("Packages");
-   FileFd Pkg(PackageFile,FileFd::ReadOnlyGzip);
-   debListParser Parser(&Pkg, Architecture);
-
-   if (_error->PendingError() == true)
-      return _error->Error("Problem opening %s",PackageFile.c_str());
-   if (Prog != NULL)
-      Prog->SubProgress(0,Info("Packages"));
-   ::URI Tmp(URI);
-   if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
-      return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
-
-   // Store the IMS information
-   pkgCache::PkgFileIterator File = Gen.GetCurFile();
-   pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
-   struct stat St;
-   if (fstat(Pkg.Fd(),&St) != 0)
-      return _error->Errno("fstat","Failed to stat");
-   File->Size = St.st_size;
-   File->mtime = St.st_mtime;
-   
-   if (Gen.MergeList(Parser) == false)
-      return _error->Error("Problem with MergeList %s",PackageFile.c_str());
-
-   // Check the release file
-   string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("InRelease");
-   bool releaseExists = false;
-   if (FileExists(ReleaseFile) == true)
-      releaseExists = true;
-   else
-      ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
-
-   if (releaseExists == true || FileExists(ReleaseFile) == true)
+bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
+{
+   // write the control data to a tempfile
+   if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL)
+      return false;
+   std::ostringstream content;
+   if (GetContent(content, FileName) == false)
+      return false;
+   std::string const contentstr = content.str();
+   if (contentstr.empty())
+      return true;
+   if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false)
+      return false;
+   return true;
+}
+pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg)
+{
+   if (Pkg.IsOpen() == false)
+      return nullptr;
+   _error->PushToStack();
+   pkgCacheListParser * const Parser = new debDebFileParser(&Pkg, DebFile);
+   bool const newError = _error->PendingError();
+   _error->MergeWithStack();
+   if (newError)
    {
    {
-      FileFd Rel(ReleaseFile,FileFd::ReadOnly);
-      if (_error->PendingError() == true)
-        return false;
-      Parser.LoadReleaseInfo(File,Rel,Section);
+      delete Parser;
+      return nullptr;
    }
    }
-   
-   return true;
+   else
+      return Parser;
 }
 }
-                                                                       /*}}}*/
-// PackagesIndex::FindInCache - Find this index                                /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
+uint8_t debDebPkgFileIndex::GetIndexFlags() const
+{
+   return pkgCache::Flag::LocalSource;
+}
+std::string debDebPkgFileIndex::GetArchitecture() const
+{
+   return std::string();
+}
+std::string debDebPkgFileIndex::GetComponent() const
+{
+   return "local-deb";
+}
+pkgCache::PkgFileIterator debDebPkgFileIndex::FindInCache(pkgCache &Cache) const
 {
 {
-   string FileName = IndexFile("Packages");
+   std::string const FileName = IndexFileName();
    pkgCache::PkgFileIterator File = Cache.FileBegin();
    pkgCache::PkgFileIterator File = Cache.FileBegin();
-   for (; File.end() == false; File++)
+   for (; File.end() == false; ++File)
    {
        if (File.FileName() == NULL || FileName != File.FileName())
         continue;
    {
        if (File.FileName() == NULL || FileName != File.FileName())
         continue;
-      
-      struct stat St;
-      if (stat(File.FileName(),&St) != 0)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
-      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
-                       << ") or mtime (" << St.st_mtime << " <> " << File->mtime
-                       << ") doesn't match for " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
+      // we can't do size checks here as file size != content size
       return File;
    }
       return File;
    }
-   
-   return File;
-}
-                                                                       /*}}}*/
 
 
-// TranslationsIndex::debTranslationsIndex - Contructor                        /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
-                                               char const * const Translation) :
-                       pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
-                               Language(Translation)
-{}
-                                                                       /*}}}*/
-// TranslationIndex::Trans* - Return the URI to the translation files  /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-inline string debTranslationsIndex::IndexFile(const char *Type) const
-{
-   string s =_config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
-   string sgzip = s + ".gz";
-   if (!FileExists(s) && FileExists(sgzip))
-       return sgzip;
-   else
-       return s;
+   return File;
 }
 }
-string debTranslationsIndex::IndexURI(const char *Type) const
+std::string debDebPkgFileIndex::ArchiveInfo_impl(pkgCache::VerIterator const &Ver) const
 {
 {
-   string Res;
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Res = URI + Dist;
-      else 
-        Res = URI;
-   }
-   else
-      Res = URI + "dists/" + Dist + '/' + Section +
-      "/i18n/Translation-";
-   
-   Res += Type;
+   std::string Res = IndexFileName() + " ";
+   Res.append(Ver.ParentPkg().Name()).append(" ");
+   Res.append(Ver.Arch()).append(" ");
+   Res.append(Ver.VerStr());
    return Res;
 }
                                                                        /*}}}*/
    return Res;
 }
                                                                        /*}}}*/
-// TranslationsIndex::GetIndexes - Fetch the index files               /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
-{
-   string const TranslationFile = string("Translation-").append(Language);
-   new pkgAcqIndexTrans(Owner, IndexURI(Language),
-                        Info(TranslationFile.c_str()),
-                        TranslationFile);
-
-   return true;
-}
-                                                                       /*}}}*/
-// TranslationsIndex::Describe - Give a descriptive path to the index  /*{{{*/
-// ---------------------------------------------------------------------
-/* This should help the user find the index in the sources.list and
-   in the filesystem for problem solving */
-string debTranslationsIndex::Describe(bool Short) const
-{   
-   char S[300];
-   if (Short == true)
-      snprintf(S,sizeof(S),"%s",Info(TranslationFile().c_str()).c_str());
-   else
-      snprintf(S,sizeof(S),"%s (%s)",Info(TranslationFile().c_str()).c_str(),
-              IndexFile(Language).c_str());
-   return S;
+// DscFile Index - a single .dsc file as an index                      /*{{{*/
+debDscFileIndex::debDscFileIndex(std::string const &DscFile)
+   : pkgDebianIndexRealFile(DscFile, true), d(NULL)
+{
 }
 }
-                                                                       /*}}}*/
-// TranslationsIndex::Info - One liner describing the index URI                /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debTranslationsIndex::Info(const char *Type) const 
+pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const
 {
 {
-   string Info = ::URI::NoUserPassword(URI) + ' ';
-   if (Dist[Dist.size() - 1] == '/')
-   {
-      if (Dist != "/")
-        Info += Dist;
-   }
-   else
-      Info += Dist + '/' + Section;   
-   Info += " ";
-   Info += Type;
-   return Info;
+   if (Exists() == false)
+      return NULL;
+   return new debDscRecordParser(File, this);
 }
 }
-                                                                       /*}}}*/
-bool debTranslationsIndex::HasPackages() const                         /*{{{*/
+std::string debDscFileIndex::GetComponent() const
 {
 {
-   return FileExists(IndexFile(Language));
+   return "local-dsc";
 }
 }
-                                                                       /*}}}*/
-// TranslationsIndex::Exists - Check if the index is available         /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debTranslationsIndex::Exists() const
+std::string debDscFileIndex::GetArchitecture() const
 {
 {
-   return FileExists(IndexFile(Language));
+   return "source";
 }
 }
-                                                                       /*}}}*/
-// TranslationsIndex::Size - Return the size of the index              /*{{{*/
-// ---------------------------------------------------------------------
-/* This is really only used for progress reporting. */
-unsigned long debTranslationsIndex::Size() const
+uint8_t debDscFileIndex::GetIndexFlags() const
 {
 {
-   unsigned long size = 0;
-
-   /* we need to ignore errors here; if the lists are absent, just return 0 */
-   _error->PushToStack();
-
-   FileFd f = FileFd (IndexFile(Language), FileFd::ReadOnlyGzip);
-   if (!f.Failed())
-      size = f.Size();
-
-   if (_error->PendingError() == true)
-       size = 0;
-   _error->RevertToStack();
-
-   return size;
+   return pkgCache::Flag::LocalSource;
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// TranslationsIndex::Merge - Load the index file into a cache         /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debTranslationsIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
-{
-   // Check the translation file, if in use
-   string TranslationFile = IndexFile(Language);
-   if (FileExists(TranslationFile))
-   {
-     FileFd Trans(TranslationFile,FileFd::ReadOnlyGzip);
-     debListParser TransParser(&Trans);
-     if (_error->PendingError() == true)
-       return false;
-     
-     if (Prog != NULL)
-       Prog->SubProgress(0, Info(TranslationFile.c_str()));
-     if (Gen.SelectFile(TranslationFile,string(),*this) == false)
-       return _error->Error("Problem with SelectFile %s",TranslationFile.c_str());
-
-     // Store the IMS information
-     pkgCache::PkgFileIterator TransFile = Gen.GetCurFile();
-     struct stat TransSt;
-     if (fstat(Trans.Fd(),&TransSt) != 0)
-       return _error->Errno("fstat","Failed to stat");
-     TransFile->Size = TransSt.st_size;
-     TransFile->mtime = TransSt.st_mtime;
-   
-     if (Gen.MergeList(TransParser) == false)
-       return _error->Error("Problem with MergeList %s",TranslationFile.c_str());
-   }
-
-   return true;
+// ControlFile Index - a directory with a debian/control file          /*{{{*/
+std::string debDebianSourceDirIndex::GetComponent() const
+{
+   return "local-control";
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// TranslationsIndex::FindInCache - Find this index                            /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgCache::PkgFileIterator debTranslationsIndex::FindInCache(pkgCache &Cache) const
+// String Package Index - a string of Packages file content            /*{{{*/
+std::string debStringPackageIndex::GetArchitecture() const
 {
 {
-   string FileName = IndexFile(Language);
-   
-   pkgCache::PkgFileIterator File = Cache.FileBegin();
-   for (; File.end() == false; File++)
-   {
-      if (FileName != File.FileName())
-        continue;
-
-      struct stat St;
-      if (stat(File.FileName(),&St) != 0)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "TranslationIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
-      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "TranslationIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
-                       << ") or mtime (" << St.st_mtime << " <> " << File->mtime
-                       << ") doesn't match for " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
-      return File;
-   }   
-   return File;
+   return std::string();
 }
 }
-                                                                       /*}}}*/
-// StatusIndex::debStatusIndex - Constructor                           /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
+std::string debStringPackageIndex::GetComponent() const
 {
 {
+   return "apt-tmp-index";
 }
 }
-                                                                       /*}}}*/
-// StatusIndex::Size - Return the size of the index                    /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-unsigned long debStatusIndex::Size() const
+uint8_t debStringPackageIndex::GetIndexFlags() const
 {
 {
-   struct stat S;
-   if (stat(File.c_str(),&S) != 0)
-      return 0;
-   return S.st_size;
+   return pkgCache::Flag::NotSource;
 }
 }
-                                                                       /*}}}*/
-// StatusIndex::Merge - Load the index file into a cache               /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
+const pkgIndexFile::Type *debStringPackageIndex::GetType() const
 {
 {
-   FileFd Pkg(File,FileFd::ReadOnlyGzip);
-   if (_error->PendingError() == true)
-      return false;
-   debListParser Parser(&Pkg);
-   if (_error->PendingError() == true)
-      return false;
-
-   if (Prog != NULL)
-      Prog->SubProgress(0,File);
-   if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false)
-      return _error->Error("Problem with SelectFile %s",File.c_str());
-
-   // Store the IMS information
-   pkgCache::PkgFileIterator CFile = Gen.GetCurFile();
-   struct stat St;
-   if (fstat(Pkg.Fd(),&St) != 0)
-      return _error->Errno("fstat","Failed to stat");
-   CFile->Size = St.st_size;
-   CFile->mtime = St.st_mtime;
-   CFile->Archive = Gen.WriteUniqString("now");
-   
-   if (Gen.MergeList(Parser) == false)
-      return _error->Error("Problem with MergeList %s",File.c_str());   
-   return true;
+   return pkgIndexFile::Type::GetType("Debian Package Index");
 }
 }
-                                                                       /*}}}*/
-// StatusIndex::FindInCache - Find this index                          /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
+debStringPackageIndex::debStringPackageIndex(std::string const &content) :
+   pkgDebianIndexRealFile("", false), d(NULL)
 {
 {
-   pkgCache::PkgFileIterator File = Cache.FileBegin();
-   for (; File.end() == false; File++)
-   {
-      if (this->File != File.FileName())
-        continue;
-      
-      struct stat St;
-      if (stat(File.FileName(),&St) != 0)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "StatusIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
-      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
-      {
-         if (_config->FindB("Debug::pkgCacheGen", false))
-           std::clog << "StatusIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
-                       << ") or mtime (" << St.st_mtime << " <> " << File->mtime
-                       << ") doesn't match for " << File.FileName() << std::endl;
-        return pkgCache::PkgFileIterator(Cache);
-      }
-      return File;
-   }   
-   return File;
+   char fn[1024];
+   std::string const tempdir = GetTempDir();
+   snprintf(fn, sizeof(fn), "%s/%s.XXXXXX", tempdir.c_str(), "apt-tmp-index");
+   int const fd = mkstemp(fn);
+   File = fn;
+   FileFd::Write(fd, content.data(), content.length());
+   close(fd);
 }
 }
-                                                                       /*}}}*/
-// StatusIndex::Exists - Check if the index is available               /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debStatusIndex::Exists() const
+debStringPackageIndex::~debStringPackageIndex()
 {
 {
-   // Abort if the file does not exist.
-   return true;
+   RemoveFile("~debStringPackageIndex", File);
 }
                                                                        /*}}}*/
 
 // Index File types for Debian                                         /*{{{*/
 }
                                                                        /*}}}*/
 
 // Index File types for Debian                                         /*{{{*/
-class debIFTypeSrc : public pkgIndexFile::Type
+class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type
 {
    public:
 {
    public:
-   
    debIFTypeSrc() {Label = "Debian Source Index";};
 };
    debIFTypeSrc() {Label = "Debian Source Index";};
 };
-class debIFTypePkg : public pkgIndexFile::Type
+class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type
 {
    public:
 {
    public:
-   
-   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const 
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
    {
       return new debRecordParser(File.FileName(),*File.Cache());
    };
    debIFTypePkg() {Label = "Debian Package Index";};
 };
    {
       return new debRecordParser(File.FileName(),*File.Cache());
    };
    debIFTypePkg() {Label = "Debian Package Index";};
 };
-class debIFTypeTrans : public debIFTypePkg
+class APT_HIDDEN debIFTypeTrans : public debIFTypePkg
 {
    public:
    debIFTypeTrans() {Label = "Debian Translation Index";};
 };
 {
    public:
    debIFTypeTrans() {Label = "Debian Translation Index";};
 };
-class debIFTypeStatus : public pkgIndexFile::Type
+class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type
 {
    public:
 {
    public:
-   
-   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const 
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
    {
       return new debRecordParser(File.FileName(),*File.Cache());
    };
    debIFTypeStatus() {Label = "Debian dpkg status file";};
 };
    {
       return new debRecordParser(File.FileName(),*File.Cache());
    };
    debIFTypeStatus() {Label = "Debian dpkg status file";};
 };
-static debIFTypeSrc _apt_Src;
-static debIFTypePkg _apt_Pkg;
-static debIFTypeTrans _apt_Trans;
-static debIFTypeStatus _apt_Status;
+class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type
+{
+   public:
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
+   {
+      return new debDebFileRecordParser(File.FileName());
+   };
+   debIFTypeDebPkgFile() {Label = "Debian deb file";};
+};
+class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type
+{
+   public:
+   virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE
+   {
+      return new debDscRecordParser(DscFile, NULL);
+   };
+   debIFTypeDscFile() {Label = "Debian dsc file";};
+};
+class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type
+{
+   public:
+   virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE
+   {
+      return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL);
+   };
+   debIFTypeDebianSourceDir() {Label = "Debian control file";};
+};
+
+APT_HIDDEN debIFTypeSrc _apt_Src;
+APT_HIDDEN debIFTypePkg _apt_Pkg;
+APT_HIDDEN debIFTypeTrans _apt_Trans;
+APT_HIDDEN debIFTypeStatus _apt_Status;
+APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile;
+// file based pseudo indexes
+APT_HIDDEN debIFTypeDscFile _apt_DscFile;
+APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir;
 
 const pkgIndexFile::Type *debSourcesIndex::GetType() const
 {
 
 const pkgIndexFile::Type *debSourcesIndex::GetType() const
 {
@@ -708,5 +431,24 @@ const pkgIndexFile::Type *debStatusIndex::GetType() const
 {
    return &_apt_Status;
 }
 {
    return &_apt_Status;
 }
-
+const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const
+{
+   return &_apt_DebPkgFile;
+}
+const pkgIndexFile::Type *debDscFileIndex::GetType() const
+{
+   return &_apt_DscFile;
+}
+const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const
+{
+   return &_apt_DebianSourceDir;
+}
                                                                        /*}}}*/
                                                                        /*}}}*/
+
+debStatusIndex::~debStatusIndex() {}
+debPackagesIndex::~debPackagesIndex() {}
+debTranslationsIndex::~debTranslationsIndex() {}
+debSourcesIndex::~debSourcesIndex() {}
+
+debDebPkgFileIndex::~debDebPkgFileIndex() {}
+debDscFileIndex::~debDscFileIndex() {}
APT (for Cydia)