X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/aa16679ccb39598b9b4546c912af1cf8c70e529b..607bab3fe856d228f22e1cd96dbb7204e2f3375d:/cmdline/apt-cache.cc?ds=sidebyside

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 425df6994..481833084 100644
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -13,184 +13,82 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
+#include<config.h>
+
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/cmndline.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
 #include <apt-pkg/init.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/policy.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/cmndline.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/sptr.h>
 #include <apt-pkg/srcrecords.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/policy.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/tagfile.h>
-#include <apt-pkg/algorithms.h>
-#include <apt-pkg/sptr.h>
-
-#include <config.h>
-#include <apti18n.h>
+#include <apt-pkg/version.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <apt-private/private-cacheset.h>
+#include <apt-private/private-cmndline.h>
+#include <apt-private/private-depends.h>
+#include <apt-private/private-show.h>
+#include <apt-private/private-search.h>
+#include <apt-private/private-unmet.h>
+#include <apt-private/private-main.h>
 
-#include <locale.h>
-#include <iostream>
-#include <unistd.h>
-#include <errno.h>
 #include <regex.h>
+#include <stddef.h>
 #include <stdio.h>
-
+#include <stdlib.h>
+#include <unistd.h>
+#include <algorithm>
+#include <cstring>
 #include <iomanip>
+#include <iostream>
+#include <list>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
+
+#include <apti18n.h>
 									/*}}}*/
 
 using namespace std;
 
-pkgCache *GCache = 0;
-pkgSourceList *SrcList = 0;
-
-// LocalitySort - Sort a version list by package file locality		/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-int LocalityCompare(const void *a, const void *b)
-{
-   pkgCache::VerFile *A = *(pkgCache::VerFile **)a;
-   pkgCache::VerFile *B = *(pkgCache::VerFile **)b;
-   
-   if (A == 0 && B == 0)
-      return 0;
-   if (A == 0)
-      return 1;
-   if (B == 0)
-      return -1;
-   
-   if (A->File == B->File)
-      return A->Offset - B->Offset;
-   return A->File - B->File;
-}
-
-void LocalitySort(pkgCache::VerFile **begin,
-		  unsigned long Count,size_t Size)
-{   
-   qsort(begin,Count,Size,LocalityCompare);
-}
-
-void LocalitySort(pkgCache::DescFile **begin,
-		  unsigned long Count,size_t Size)
-{   
-   qsort(begin,Count,Size,LocalityCompare);
-}
-									/*}}}*/
-// UnMet - Show unmet dependencies					/*{{{*/
+// DumpPackage - Show a dump of a package record			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool UnMet(CommandLine &CmdL)
+static bool DumpPackage(CommandLine &CmdL)
 {
-   pkgCache &Cache = *GCache;
-   bool Important = _config->FindB("APT::Cache::Important",false);
-   
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
-   {
-      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
-      {
-	 bool Header = false;
-	 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
-	 {
-	    // Collect or groups
-	    pkgCache::DepIterator Start;
-	    pkgCache::DepIterator End;
-	    D.GlobOr(Start,End);
-	    
-	    // Skip conflicts and replaces
-	    if (End->Type != pkgCache::Dep::PreDepends &&
-		End->Type != pkgCache::Dep::Depends && 
-		End->Type != pkgCache::Dep::Suggests &&
-	        End->Type != pkgCache::Dep::Recommends)
-	       continue;
-
-	    // Important deps only
-	    if (Important == true)
-	       if (End->Type != pkgCache::Dep::PreDepends &&
-	           End->Type != pkgCache::Dep::Depends)
-		  continue;
-	    
-	    // Verify the or group
-	    bool OK = false;
-	    pkgCache::DepIterator RealStart = Start;
-	    do
-	    {
-	       // See if this dep is Ok
-	       pkgCache::Version **VList = Start.AllTargets();
-	       if (*VList != 0)
-	       {
-		  OK = true;
-		  delete [] VList;
-		  break;
-	       }
-	       delete [] VList;
-	       
-	       if (Start == End)
-		  break;
-	       Start++;
-	    }
-	    while (1);
-
-	    // The group is OK
-	    if (OK == true)
-	       continue;
-	    
-	    // Oops, it failed..
-	    if (Header == false)
-	       ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),
-			P.Name(),V.VerStr());
-	    Header = true;
-	    
-	    // Print out the dep type
-	    cout << " " << End.DepType() << ": ";
+   pkgCacheFile CacheFile;
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
 
-	    // Show the group
-	    Start = RealStart;
-	    do
-	    {
-	       cout << Start.TargetPkg().Name();
-	       if (Start.TargetVer() != 0)
-		  cout << " (" << Start.CompType() << " " << Start.TargetVer() <<
-		  ")";
-	       if (Start == End)
-		  break;
-	       cout << " | ";
-	       Start++;
-	    }
-	    while (1);
-	    
-	    cout << endl;
-	 }	 
-      }
-   }   
-   return true;
-}
-									/*}}}*/
-// DumpPackage - Show a dump of a package record			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool DumpPackage(CommandLine &CmdL)
-{   
-   pkgCache &Cache = *GCache;
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
    {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
-
-      cout << "Package: " << Pkg.Name() << endl;
+      cout << "Package: " << Pkg.FullName(true) << endl;
       cout << "Versions: " << endl;
-      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
+      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; ++Cur)
       {
 	 cout << Cur.VerStr();
-	 for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)
+	 for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; ++Vf)
 	    cout << " (" << Vf.File().FileName() << ")";
 	 cout << endl;
-	 for (pkgCache::DescIterator D = Cur.DescriptionList(); D.end() == false; D++)
+	 for (pkgCache::DescIterator D = Cur.DescriptionList(); D.end() == false; ++D)
 	 {
 	    cout << " Description Language: " << D.LanguageCode() << endl
 		 << "                 File: " << D.FileList().File().FileName() << endl
@@ -202,9 +100,9 @@ bool DumpPackage(CommandLine &CmdL)
       cout << endl;
       
       cout << "Reverse Depends: " << endl;
-      for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++)
+      for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; ++D)
       {
-	 cout << "  " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name();
+	 cout << "  " << D.ParentPkg().FullName(true) << ',' << D.TargetPkg().FullName(true);
 	 if (D->Version != 0)
 	    cout << ' ' << DeNull(D.TargetVer()) << endl;
 	 else
@@ -212,46 +110,102 @@ bool DumpPackage(CommandLine &CmdL)
       }
       
       cout << "Dependencies: " << endl;
-      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
+      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; ++Cur)
       {
 	 cout << Cur.VerStr() << " - ";
-	 for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++)
-	    cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << DeNull(Dep.TargetVer()) << ") ";
+	 for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; ++Dep)
+	    cout << Dep.TargetPkg().FullName(true) << " (" << (int)Dep->CompareOp << " " << DeNull(Dep.TargetVer()) << ") ";
 	 cout << endl;
       }      
 
       cout << "Provides: " << endl;
-      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
+      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; ++Cur)
       {
 	 cout << Cur.VerStr() << " - ";
-	 for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; Prv++)
-	    cout << Prv.ParentPkg().Name() << " ";
+	 for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; ++Prv)
+	    cout << Prv.ParentPkg().FullName(true) << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ") ";
 	 cout << endl;
       }
       cout << "Reverse Provides: " << endl;
-      for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++)
-	 cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr() << endl;            
+      for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; ++Prv)
+	 cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr()  << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ")"<< endl;
    }
 
    return true;
 }
 									/*}}}*/
+// ShowHashTableStats - Show stats about a hashtable			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+static map_pointer_t PackageNext(pkgCache::Package const * const P) { return P->NextPackage; }
+static map_pointer_t GroupNext(pkgCache::Group const * const G) { return G->Next; }
+template<class T>
+static void ShowHashTableStats(std::string Type,
+                               T *StartP,
+                               map_pointer_t *Hashtable,
+                               unsigned long Size,
+			       map_pointer_t(*Next)(T const * const))
+{
+   // hashtable stats for the HashTable
+   unsigned long NumBuckets = Size;
+   unsigned long UsedBuckets = 0;
+   unsigned long UnusedBuckets = 0;
+   unsigned long LongestBucket = 0;
+   unsigned long ShortestBucket = NumBuckets;
+   unsigned long Entries = 0;
+   for (unsigned int i=0; i < NumBuckets; ++i)
+   {
+      T *P = StartP + Hashtable[i];
+      if(P == 0 || P == StartP)
+      {
+         ++UnusedBuckets;
+         continue;
+      }
+      ++UsedBuckets;
+      unsigned long ThisBucketSize = 0;
+      for (; P != StartP; P = StartP + Next(P))
+         ++ThisBucketSize;
+      Entries += ThisBucketSize;
+      LongestBucket = std::max(ThisBucketSize, LongestBucket);
+      ShortestBucket = std::min(ThisBucketSize, ShortestBucket);
+   }
+   cout << "Total buckets in " << Type << ": " << NumBuckets << std::endl;
+   cout << "  Unused: " << UnusedBuckets << std::endl;
+   cout << "  Used: " << UsedBuckets  << std::endl;
+   cout << "  Utilization: " << 100.0 * UsedBuckets/NumBuckets << "%" << std::endl;
+   cout << "  Average entries: " << Entries/(double)UsedBuckets << std::endl;
+   cout << "  Longest: " << LongestBucket << std::endl;
+   cout << "  Shortest: " << ShortestBucket << std::endl;
+}
+									/*}}}*/
 // Stats - Dump some nice statistics					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool Stats(CommandLine &Cmd)
+static bool Stats(CommandLine &CmdL)
 {
-   pkgCache &Cache = *GCache;
-   cout << _("Total package names: ") << Cache.Head().PackageCount << " (" <<
-      SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
+   if (CmdL.FileSize() > 1) {
+      _error->Error(_("apt-cache stats does not take any arguments"));
+      return false;
+   }
+
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+
+   if (unlikely(Cache == NULL))
+      return false;
+
+   cout << _("Total package names: ") << Cache->Head().GroupCount << " (" <<
+      SizeToStr(Cache->Head().GroupCount*Cache->Head().GroupSz) << ')' << endl
+        << _("Total package structures: ") << Cache->Head().PackageCount << " (" <<
+      SizeToStr(Cache->Head().PackageCount*Cache->Head().PackageSz) << ')' << endl;
 
    int Normal = 0;
    int Virtual = 0;
    int NVirt = 0;
    int DVirt = 0;
    int Missing = 0;
-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   for (;I.end() != true; I++)
+   pkgCache::PkgIterator I = Cache->PkgBegin();
+   for (;I.end() != true; ++I)
    {
       if (I->VersionList != 0 && I->ProvidesList == 0)
       {
@@ -287,104 +241,153 @@ bool Stats(CommandLine &Cmd)
    cout << _("  Single virtual packages: ") << DVirt << endl;
    cout << _("  Mixed virtual packages: ") << NVirt << endl;
    cout << _("  Missing: ") << Missing << endl;
-   
-   cout << _("Total distinct versions: ") << Cache.Head().VersionCount << " (" <<
-      SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;
-   cout << _("Total distinct descriptions: ") << Cache.Head().DescriptionCount << " (" <<
-      SizeToStr(Cache.Head().DescriptionCount*Cache.Head().DescriptionSz) << ')' << endl;
-   cout << _("Total dependencies: ") << Cache.Head().DependsCount << " (" << 
-      SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
-   
-   cout << _("Total ver/file relations: ") << Cache.Head().VerFileCount << " (" <<
-      SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl;
-   cout << _("Total Desc/File relations: ") << Cache.Head().DescFileCount << " (" <<
-      SizeToStr(Cache.Head().DescFileCount*Cache.Head().DescFileSz) << ')' << endl;
-   cout << _("Total Provides mappings: ") << Cache.Head().ProvidesCount << " (" <<
-      SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl;
-   
-   // String list stats
-   unsigned long Size = 0;
-   unsigned long Count = 0;
-   for (pkgCache::StringItem *I = Cache.StringItemP + Cache.Head().StringList;
-        I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem)
-   {
-      Count++;
-      Size += strlen(Cache.StrP + I->String) + 1;
-   }
-   cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;
 
-   unsigned long DepVerSize = 0;
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   cout << _("Total distinct versions: ") << Cache->Head().VersionCount << " (" <<
+      SizeToStr(Cache->Head().VersionCount*Cache->Head().VersionSz) << ')' << endl;
+   cout << _("Total distinct descriptions: ") << Cache->Head().DescriptionCount << " (" <<
+      SizeToStr(Cache->Head().DescriptionCount*Cache->Head().DescriptionSz) << ')' << endl;
+   cout << _("Total dependencies: ") << Cache->Head().DependsCount << "/" << Cache->Head().DependsDataCount << " (" <<
+      SizeToStr((Cache->Head().DependsCount*Cache->Head().DependencySz) +
+	    (Cache->Head().DependsDataCount*Cache->Head().DependencyDataSz)) << ')' << endl;
+   cout << _("Total ver/file relations: ") << Cache->Head().VerFileCount << " (" <<
+      SizeToStr(Cache->Head().VerFileCount*Cache->Head().VerFileSz) << ')' << endl;
+   cout << _("Total Desc/File relations: ") << Cache->Head().DescFileCount << " (" <<
+      SizeToStr(Cache->Head().DescFileCount*Cache->Head().DescFileSz) << ')' << endl;
+   cout << _("Total Provides mappings: ") << Cache->Head().ProvidesCount << " (" <<
+      SizeToStr(Cache->Head().ProvidesCount*Cache->Head().ProvidesSz) << ')' << endl;
+
+   // String list stats
+   std::set<map_stringitem_t> stritems;
+   for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G)
+      stritems.insert(G->Name);
+   for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
    {
-      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
+      stritems.insert(P->Arch);
+      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
       {
-	 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
+	 if (V->VerStr != 0)
+	    stritems.insert(V->VerStr);
+	 if (V->Section != 0)
+	    stritems.insert(V->Section);
+	 stritems.insert(V->SourcePkgName);
+	 stritems.insert(V->SourceVerStr);
+	 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D)
 	 {
 	    if (D->Version != 0)
-	       DepVerSize += strlen(D.TargetVer()) + 1;
+	       stritems.insert(D->Version);
+	 }
+	 for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D)
+	 {
+	    stritems.insert(D->md5sum);
+	    stritems.insert(D->language_code);
 	 }
       }
+      for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() == false; ++Prv)
+      {
+	 if (Prv->ProvideVersion != 0)
+	    stritems.insert(Prv->ProvideVersion);
+      }
    }
-   cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl;
-   
+   for (pkgCache::RlsFileIterator F = Cache->RlsFileBegin(); F != Cache->RlsFileEnd(); ++F)
+   {
+      stritems.insert(F->FileName);
+      stritems.insert(F->Archive);
+      stritems.insert(F->Codename);
+      stritems.insert(F->Version);
+      stritems.insert(F->Origin);
+      stritems.insert(F->Label);
+      stritems.insert(F->Site);
+   }
+   for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F)
+   {
+      stritems.insert(F->FileName);
+      stritems.insert(F->Architecture);
+      stritems.insert(F->Component);
+      stritems.insert(F->IndexType);
+   }
+
+   unsigned long Size = 0;
+   for (std::set<map_stringitem_t>::const_iterator i = stritems.begin(); i != stritems.end(); ++i)
+      Size += strlen(Cache->StrP + *i) + 1;
+   cout << _("Total globbed strings: ") << stritems.size() << " (" << SizeToStr(Size) << ')' << endl;
+   stritems.clear();
+
    unsigned long Slack = 0;
    for (int I = 0; I != 7; I++)
-      Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;
+      Slack += Cache->Head().Pools[I].ItemSize*Cache->Head().Pools[I].Count;
    cout << _("Total slack space: ") << SizeToStr(Slack) << endl;
-   
+
    unsigned long Total = 0;
-   Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz + 
-           Cache.Head().VersionCount*Cache.Head().VersionSz +
-           Cache.Head().PackageCount*Cache.Head().PackageSz + 
-           Cache.Head().VerFileCount*Cache.Head().VerFileSz +
-           Cache.Head().ProvidesCount*Cache.Head().ProvidesSz;
+#define APT_CACHESIZE(X,Y) (Cache->Head().X * Cache->Head().Y)
+   Total = Slack + Size +
+      APT_CACHESIZE(GroupCount, GroupSz) +
+      APT_CACHESIZE(PackageCount, PackageSz) +
+      APT_CACHESIZE(VersionCount, VersionSz) +
+      APT_CACHESIZE(DescriptionCount, DescriptionSz) +
+      APT_CACHESIZE(DependsCount, DependencySz) +
+      APT_CACHESIZE(DependsDataCount, DependencyDataSz) +
+      APT_CACHESIZE(ReleaseFileCount, ReleaseFileSz) +
+      APT_CACHESIZE(PackageFileCount, PackageFileSz) +
+      APT_CACHESIZE(VerFileCount, VerFileSz) +
+      APT_CACHESIZE(DescFileCount, DescFileSz) +
+      APT_CACHESIZE(ProvidesCount, ProvidesSz) +
+      (2 * Cache->Head().GetHashTableSize() * sizeof(map_id_t));
    cout << _("Total space accounted for: ") << SizeToStr(Total) << endl;
-   
+#undef APT_CACHESIZE
+
+   // hashtable stats
+   ShowHashTableStats<pkgCache::Package>("PkgHashTable", Cache->PkgP, Cache->Head().PkgHashTableP(), Cache->Head().GetHashTableSize(), PackageNext);
+   ShowHashTableStats<pkgCache::Group>("GrpHashTable", Cache->GrpP, Cache->Head().GrpHashTableP(), Cache->Head().GetHashTableSize(), GroupNext);
+
    return true;
 }
 									/*}}}*/
 // Dump - show everything						/*{{{*/
 // ---------------------------------------------------------------------
 /* This is worthless except fer debugging things */
-bool Dump(CommandLine &Cmd)
+static bool Dump(CommandLine &)
 {
-   pkgCache &Cache = *GCache;
-   cout << "Using Versioning System: " << Cache.VS->Label << endl;
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
+      return false;
+
+   std::cout << "Using Versioning System: " << Cache->VS->Label << std::endl;
    
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
    {
-      cout << "Package: " << P.Name() << endl;
-      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
+      std::cout << "Package: " << P.FullName(true) << std::endl;
+      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
       {
-	 cout << " Version: " << V.VerStr() << endl;
-	 cout << "     File: " << V.FileList().File().FileName() << endl;
-	 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
-	    cout << "  Depends: " << D.TargetPkg().Name() << ' ' << 
-	                     DeNull(D.TargetVer()) << endl;
-	 for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; D++)
+	 std::cout << " Version: " << V.VerStr() << std::endl;
+	 std::cout << "     File: " << V.FileList().File().FileName() << std::endl;
+	 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D)
+	    std::cout << "  Depends: " << D.TargetPkg().FullName(true) << ' ' << 
+	                     DeNull(D.TargetVer()) << std::endl;
+	 for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D)
 	 {
-	    cout << " Description Language: " << D.LanguageCode() << endl
-		 << "                 File: " << D.FileList().File().FileName() << endl
-		 << "                  MD5: " << D.md5() << endl;
+	    std::cout << " Description Language: " << D.LanguageCode() << std::endl
+		 << "                 File: " << D.FileList().File().FileName() << std::endl
+		 << "                  MD5: " << D.md5() << std::endl;
 	 } 
       }      
    }
 
-   for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
+   for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F)
    {
-      cout << "File: " << F.FileName() << endl;
-      cout << " Type: " << F.IndexType() << endl;
-      cout << " Size: " << F->Size << endl;
-      cout << " ID: " << F->ID << endl;
-      cout << " Flags: " << F->Flags << endl;
-      cout << " Time: " << TimeRFC1123(F->mtime) << endl;
-      cout << " Archive: " << DeNull(F.Archive()) << endl;
-      cout << " Component: " << DeNull(F.Component()) << endl;
-      cout << " Version: " << DeNull(F.Version()) << endl;
-      cout << " Origin: " << DeNull(F.Origin()) << endl;
-      cout << " Site: " << DeNull(F.Site()) << endl;
-      cout << " Label: " << DeNull(F.Label()) << endl;
-      cout << " Architecture: " << DeNull(F.Architecture()) << endl;
+      std::cout << "File: " << F.FileName() << std::endl;
+      std::cout << " Type: " << F.IndexType() << std::endl;
+      std::cout << " Size: " << F->Size << std::endl;
+      std::cout << " ID: " << F->ID << std::endl;
+      std::cout << " Flags: " << F->Flags << std::endl;
+      std::cout << " Time: " << TimeRFC1123(F->mtime) << std::endl;
+      std::cout << " Archive: " << DeNull(F.Archive()) << std::endl;
+      std::cout << " Component: " << DeNull(F.Component()) << std::endl;
+      std::cout << " Version: " << DeNull(F.Version()) << std::endl;
+      std::cout << " Origin: " << DeNull(F.Origin()) << std::endl;
+      std::cout << " Site: " << DeNull(F.Site()) << std::endl;
+      std::cout << " Label: " << DeNull(F.Label()) << std::endl;
+      std::cout << " Architecture: " << DeNull(F.Architecture()) << std::endl;
    }
 
    return true;
@@ -394,20 +397,19 @@ bool Dump(CommandLine &Cmd)
 // ---------------------------------------------------------------------
 /* This is needed to make dpkg --merge happy.. I spent a bit of time to 
    make this run really fast, perhaps I went a little overboard.. */
-bool DumpAvail(CommandLine &Cmd)
+static bool DumpAvail(CommandLine &)
 {
-   pkgCache &Cache = *GCache;
-
-   pkgPolicy Plcy(&Cache);
-   if (ReadPinFile(Plcy) == false)
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL || CacheFile.BuildPolicy() == false))
       return false;
-   
-   unsigned long Count = Cache.HeaderP->PackageCount+1;
+
+   unsigned long Count = Cache->HeaderP->PackageCount+1;
    pkgCache::VerFile **VFList = new pkgCache::VerFile *[Count];
    memset(VFList,0,sizeof(*VFList)*Count);
    
    // Map versions that we want to write out onto the VerList array.
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
    {    
       if (P->VersionList == 0)
 	 continue;
@@ -415,7 +417,7 @@ bool DumpAvail(CommandLine &Cmd)
       /* Find the proper version to use. If the policy says there are no
          possible selections we return the installed version, if available..
        	 This prevents dselect from making it obsolete. */
-      pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
+      pkgCache::VerIterator V = CacheFile.GetPolicy()->GetCandidateVer(P);
       if (V.end() == true)
       {
 	 if (P->CurrentVer == 0)
@@ -424,7 +426,7 @@ bool DumpAvail(CommandLine &Cmd)
       }
       
       pkgCache::VerFileIterator VF = V.FileList();
-      for (; VF.end() == false ; VF++)
+      for (; VF.end() == false ; ++VF)
 	 if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
 	    break;
       
@@ -438,9 +440,9 @@ bool DumpAvail(CommandLine &Cmd)
          handling works OK. */
       if (VF.end() == true)
       {
-	 for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; Cur++)
+	 for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; ++Cur)
 	 {
-	    for (VF = Cur.FileList(); VF.end() == false; VF++)
+	    for (VF = Cur.FileList(); VF.end() == false; ++VF)
 	    {	 
 	       if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
 	       {
@@ -459,18 +461,24 @@ bool DumpAvail(CommandLine &Cmd)
    
    LocalitySort(VFList,Count,sizeof(*VFList));
 
+   std::vector<pkgTagSection::Tag> RW;
+   RW.push_back(pkgTagSection::Tag::Remove("Status"));
+   RW.push_back(pkgTagSection::Tag::Remove("Config-Version"));
+   FileFd stdoutfd;
+   stdoutfd.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, false);
+
    // Iterate over all the package files and write them out.
-   char *Buffer = new char[Cache.HeaderP->MaxVerFileSize+10];
+   char *Buffer = new char[Cache->HeaderP->MaxVerFileSize+10];
    for (pkgCache::VerFile **J = VFList; *J != 0;)
    {
-      pkgCache::PkgFileIterator File(Cache,(*J)->File + Cache.PkgFileP);
+      pkgCache::PkgFileIterator File(*Cache,(*J)->File + Cache->PkgFileP);
       if (File.IsOk() == false)
       {
 	 _error->Error(_("Package file %s is out of sync."),File.FileName());
 	 break;
       }
 
-      FileFd PkgF(File.FileName(),FileFd::ReadOnly);
+      FileFd PkgF(File.FileName(),FileFd::ReadOnly, FileFd::Extension);
       if (_error->PendingError() == true)
 	 break;
       
@@ -482,7 +490,7 @@ bool DumpAvail(CommandLine &Cmd)
       unsigned long Pos = 0;
       for (; *J != 0; J++)
       {
-	 if ((*J)->File + Cache.PkgFileP != File)
+	 if ((*J)->File + Cache->PkgFileP != File)
 	    break;
 	 
 	 const pkgCache::VerFile &VF = **J;
@@ -499,232 +507,48 @@ bool DumpAvail(CommandLine &Cmd)
 	 if (PkgF.Read(Buffer,VF.Size + Jitter) == false)
 	    break;
 	 Buffer[VF.Size + Jitter] = '\n';
-	 
+
 	 // See above..
 	 if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource)
 	 {
 	    pkgTagSection Tags;
-	    TFRewriteData RW[] = {{"Status",0},{"Config-Version",0},{}};
-	    const char *Zero = 0;
 	    if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false ||
-		TFRewrite(stdout,Tags,&Zero,RW) == false)
+		Tags.Write(stdoutfd, NULL, RW) == false ||
+		stdoutfd.Write("\n", 1) == false)
 	    {
 	       _error->Error("Internal Error, Unable to parse a package record");
 	       break;
 	    }
-	    fputc('\n',stdout);
 	 }
 	 else
 	 {
-	    if (fwrite(Buffer+Jitter,VF.Size+1,1,stdout) != 1)
+	    if (stdoutfd.Write(Buffer + Jitter, VF.Size + 1) == false)
 	       break;
 	 }
-	 
+
 	 Pos = VF.Offset + VF.Size;
       }
 
-      fflush(stdout);
       if (_error->PendingError() == true)
          break;
    }
-   
+
    delete [] Buffer;
    delete [] VFList;
    return !_error->PendingError();
 }
 									/*}}}*/
-// Depends - Print out a dependency tree				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Depends(CommandLine &CmdL)
-{
-   pkgCache &Cache = *GCache;
-   SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
-   memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);
-   
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
-      Colours[Pkg->ID] = 1;
-   }
-   
-   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
-   bool Installed = _config->FindB("APT::Cache::Installed",false);
-   bool Important = _config->FindB("APT::Cache::Important",false);
-   bool DidSomething;
-   do
-   {
-      DidSomething = false;
-      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
-      {
-	 if (Colours[Pkg->ID] != 1)
-	    continue;
-	 Colours[Pkg->ID] = 2;
-	 DidSomething = true;
-	 
-	 pkgCache::VerIterator Ver = Pkg.VersionList();
-	 if (Ver.end() == true)
-	 {
-	    cout << '<' << Pkg.Name() << '>' << endl;
-	    continue;
-	 }
-	 
-	 cout << Pkg.Name() << endl;
-	 
-	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
-	 {
-	    // Important deps only
-	    if (Important == true)
-	       if (D->Type != pkgCache::Dep::PreDepends &&
-		   D->Type != pkgCache::Dep::Depends)
-		  continue;
-		  
-	    pkgCache::PkgIterator Trg = D.TargetPkg();
-
-	    if((Installed && Trg->CurrentVer != 0) || !Installed)
-	      {
-
-		if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
-		  cout << " |";
-		else
-		  cout << "  ";
-	    
-		// Show the package
-		if (Trg->VersionList == 0)
-		  cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
-		else
-		  cout << D.DepType() << ": " << Trg.Name() << endl;
-	    
-		if (Recurse == true)
-		  Colours[D.TargetPkg()->ID]++;
-
-	      }
-	    
-	    // Display all solutions
-	    SPtrArray<pkgCache::Version *> List = D.AllTargets();
-	    pkgPrioSortList(Cache,List);
-	    for (pkgCache::Version **I = List; *I != 0; I++)
-	    {
-	       pkgCache::VerIterator V(Cache,*I);
-	       if (V != Cache.VerP + V.ParentPkg()->VersionList ||
-		   V->ParentPkg == D->Package)
-		  continue;
-	       cout << "    " << V.ParentPkg().Name() << endl;
-	       
-	       if (Recurse == true)
-		  Colours[D.ParentPkg()->ID]++;
-	    }
-	 }
-      }      
-   }   
-   while (DidSomething == true);
-   
-   return true;
-}
-
-// RDepends - Print out a reverse dependency tree - mbc			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool RDepends(CommandLine &CmdL)
-{
-   pkgCache &Cache = *GCache;
-   SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
-   memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);
-   
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
-      Colours[Pkg->ID] = 1;
-   }
-   
-   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
-   bool Installed = _config->FindB("APT::Cache::Installed",false);
-   bool DidSomething;
-   do
-   {
-      DidSomething = false;
-      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
-      {
-	 if (Colours[Pkg->ID] != 1)
-	    continue;
-	 Colours[Pkg->ID] = 2;
-	 DidSomething = true;
-	 
-	 pkgCache::VerIterator Ver = Pkg.VersionList();
-	 if (Ver.end() == true)
-	 {
-	    cout << '<' << Pkg.Name() << '>' << endl;
-	    continue;
-	 }
-	 
-	 cout << Pkg.Name() << endl;
-	 
-	 cout << "Reverse Depends:" << endl;
-	 for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++)
-	 {	    
-	    // Show the package
-	    pkgCache::PkgIterator Trg = D.ParentPkg();
-
-	    if((Installed && Trg->CurrentVer != 0) || !Installed)
-	      {
-
-		if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
-		  cout << " |";
-		else
-		  cout << "  ";
-
-		if (Trg->VersionList == 0)
-		  cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
-		else
-		  cout << Trg.Name() << endl;
-
-		if (Recurse == true)
-		  Colours[D.ParentPkg()->ID]++;
-
-	      }
-	    
-	    // Display all solutions
-	    SPtrArray<pkgCache::Version *> List = D.AllTargets();
-	    pkgPrioSortList(Cache,List);
-	    for (pkgCache::Version **I = List; *I != 0; I++)
-	    {
-	       pkgCache::VerIterator V(Cache,*I);
-	       if (V != Cache.VerP + V.ParentPkg()->VersionList ||
-		   V->ParentPkg == D->Package)
-		  continue;
-	       cout << "    " << V.ParentPkg().Name() << endl;
-	       
-	       if (Recurse == true)
-		  Colours[D.ParentPkg()->ID]++;
-	    }
-	 }
-      }      
-   }   
-   while (DidSomething == true);
-   
-   return true;
-}
-
-									/*}}}*/
-
-
 // xvcg - Generate a graph for xvcg					/*{{{*/
 // ---------------------------------------------------------------------
 // Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
 
-bool XVcg(CommandLine &CmdL)
+static bool XVcg(CommandLine &CmdL)
 {
-   pkgCache &Cache = *GCache;
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
+      return false;
+
    bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
    
    /* Normal packages are boxes
@@ -741,21 +565,21 @@ bool XVcg(CommandLine &CmdL)
       0 = None */
    enum States {None=0, ToShow, ToShowNR, DoneNR, Done};
    enum TheFlags {ForceNR=(1<<0)};
-   unsigned char *Show = new unsigned char[Cache.Head().PackageCount];
-   unsigned char *Flags = new unsigned char[Cache.Head().PackageCount];
-   unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount];
+   unsigned char *Show = new unsigned char[Cache->Head().PackageCount];
+   unsigned char *Flags = new unsigned char[Cache->Head().PackageCount];
+   unsigned char *ShapeMap = new unsigned char[Cache->Head().PackageCount];
    
    // Show everything if no arguments given
    if (CmdL.FileList[1] == 0)
-      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
 	 Show[I] = ToShow;
    else
-      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
 	 Show[I] = None;
-   memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount);
+   memset(Flags,0,sizeof(*Flags)*Cache->Head().PackageCount);
    
    // Map the shapes
-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
    {   
       if (Pkg->VersionList == 0)
       {
@@ -774,38 +598,25 @@ bool XVcg(CommandLine &CmdL)
 	    ShapeMap[Pkg->ID] = 3;
       }
    }
-   
+
    // Load the list of packages from the command line into the show list
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   std::list<APT::CacheSetHelper::PkgModifier> mods;
+   mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
+   mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+   std::map<unsigned short, APT::PackageSet> pkgsets =
+		APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
+
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[0].begin();
+	Pkg != pkgsets[0].end(); ++Pkg)
+      Show[Pkg->ID] = ToShow;
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[1].begin();
+	Pkg != pkgsets[1].end(); ++Pkg)
    {
-      // Process per-package flags
-      string P = *I;
-      bool Force = false;
-      if (P.length() > 3)
-      {
-	 if (P.end()[-1] == '^')
-	 {
-	    Force = true;
-	    P.erase(P.end()-1);
-	 }
-	 
-	 if (P.end()[-1] == ',')
-	    P.erase(P.end()-1);
-      }
-      
-      // Locate the package
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
       Show[Pkg->ID] = ToShow;
-      
-      if (Force == true)
-	 Flags[Pkg->ID] |= ForceNR;
+      Flags[Pkg->ID] |= ForceNR;
    }
-   
+
    // Little header
    cout << "graph: { title: \"packages\"" << endl <<
      "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<
@@ -815,7 +626,7 @@ bool XVcg(CommandLine &CmdL)
    while (Act == true)
    {
       Act = false;
-      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
       {
 	 // See we need to show this package
 	 if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR)
@@ -841,24 +652,24 @@ bool XVcg(CommandLine &CmdL)
 	    continue;
 	 
 	 pkgCache::VerIterator Ver = Pkg.VersionList();
-	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D)
 	 {
 	    // See if anything can meet this dep
 	    // Walk along the actual package providing versions
 	    bool Hit = false;
 	    pkgCache::PkgIterator DPkg = D.TargetPkg();
 	    for (pkgCache::VerIterator I = DPkg.VersionList();
-		      I.end() == false && Hit == false; I++)
+		      I.end() == false && Hit == false; ++I)
 	    {
-	       if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
+	       if (Cache->VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
 		  Hit = true;
 	    }
 	    
 	    // Follow all provides
 	    for (pkgCache::PrvIterator I = DPkg.ProvidesList(); 
-		      I.end() == false && Hit == false; I++)
+		      I.end() == false && Hit == false; ++I)
 	    {
-	       if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
+	       if (Cache->VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
 		  Hit = true;
 	    }
 	    
@@ -866,17 +677,14 @@ bool XVcg(CommandLine &CmdL)
 	    // Only graph critical deps	    
 	    if (D.IsCritical() == true)
 	    {
-	       printf ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.Name(), D.TargetPkg().Name() );
+	       printf ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.FullName(true).c_str(), D.TargetPkg().FullName(true).c_str() );
 	       
 	       // Colour the node for recursion
 	       if (Show[D.TargetPkg()->ID] <= DoneNR)
 	       {
 		  /* If a conflicts does not meet anything in the database
 		     then show the relation but do not recurse */
-		  if (Hit == false && 
-		      (D->Type == pkgCache::Dep::Conflicts ||
-		       D->Type == pkgCache::Dep::DpkgBreaks ||
-		       D->Type == pkgCache::Dep::Obsoletes))
+		  if (Hit == false && D.IsNegative() == true)
 		  {
 		     if (Show[D.TargetPkg()->ID] == None && 
 			 Show[D.TargetPkg()->ID] != ToShow)
@@ -919,34 +727,40 @@ bool XVcg(CommandLine &CmdL)
    
    /* Draw the box colours after the fact since we can not tell what colour
       they should be until everything is finished drawing */
-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
    {
       if (Show[Pkg->ID] < DoneNR)
 	 continue;
 
       if (Show[Pkg->ID] == DoneNR)
-	 printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.Name(), Pkg.Name(),
+	 printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.FullName(true).c_str(), Pkg.FullName(true).c_str(),
 		Shapes[ShapeMap[Pkg->ID]]);
       else
-	printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.Name(), Pkg.Name(), 
+	printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.FullName(true).c_str(), Pkg.FullName(true).c_str(),
 		Shapes[ShapeMap[Pkg->ID]]);
       
    }
-   
+
+   delete[] Show;
+   delete[] Flags;
+   delete[] ShapeMap;
+
    printf("}\n");
    return true;
 }
 									/*}}}*/
-
-
 // Dotty - Generate a graph for Dotty					/*{{{*/
 // ---------------------------------------------------------------------
 /* Dotty is the graphvis program for generating graphs. It is a fairly
    simple queuing algorithm that just writes dependencies and nodes. 
    http://www.research.att.com/sw/tools/graphviz/ */
-bool Dotty(CommandLine &CmdL)
+static bool Dotty(CommandLine &CmdL)
 {
-   pkgCache &Cache = *GCache;
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
+      return false;
+
    bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
    
    /* Normal packages are boxes
@@ -963,21 +777,21 @@ bool Dotty(CommandLine &CmdL)
       0 = None */
    enum States {None=0, ToShow, ToShowNR, DoneNR, Done};
    enum TheFlags {ForceNR=(1<<0)};
-   unsigned char *Show = new unsigned char[Cache.Head().PackageCount];
-   unsigned char *Flags = new unsigned char[Cache.Head().PackageCount];
-   unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount];
+   unsigned char *Show = new unsigned char[Cache->Head().PackageCount];
+   unsigned char *Flags = new unsigned char[Cache->Head().PackageCount];
+   unsigned char *ShapeMap = new unsigned char[Cache->Head().PackageCount];
    
    // Show everything if no arguments given
    if (CmdL.FileList[1] == 0)
-      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
 	 Show[I] = ToShow;
    else
-      for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
 	 Show[I] = None;
-   memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount);
+   memset(Flags,0,sizeof(*Flags)*Cache->Head().PackageCount);
    
    // Map the shapes
-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
    {   
       if (Pkg->VersionList == 0)
       {
@@ -996,38 +810,25 @@ bool Dotty(CommandLine &CmdL)
 	    ShapeMap[Pkg->ID] = 3;
       }
    }
-   
+
    // Load the list of packages from the command line into the show list
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   std::list<APT::CacheSetHelper::PkgModifier> mods;
+   mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
+   mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+   std::map<unsigned short, APT::PackageSet> pkgsets =
+		APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
+
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[0].begin();
+	Pkg != pkgsets[0].end(); ++Pkg)
+      Show[Pkg->ID] = ToShow;
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[1].begin();
+	Pkg != pkgsets[1].end(); ++Pkg)
    {
-      // Process per-package flags
-      string P = *I;
-      bool Force = false;
-      if (P.length() > 3)
-      {
-	 if (P.end()[-1] == '^')
-	 {
-	    Force = true;
-	    P.erase(P.end()-1);
-	 }
-	 
-	 if (P.end()[-1] == ',')
-	    P.erase(P.end()-1);
-      }
-      
-      // Locate the package
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
       Show[Pkg->ID] = ToShow;
-      
-      if (Force == true)
-	 Flags[Pkg->ID] |= ForceNR;
+      Flags[Pkg->ID] |= ForceNR;
    }
-   
+
    // Little header
    printf("digraph packages {\n");
    printf("concentrate=true;\n");
@@ -1037,7 +838,7 @@ bool Dotty(CommandLine &CmdL)
    while (Act == true)
    {
       Act = false;
-      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
       {
 	 // See we need to show this package
 	 if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR)
@@ -1061,40 +862,38 @@ bool Dotty(CommandLine &CmdL)
 	    continue;
 	 
 	 pkgCache::VerIterator Ver = Pkg.VersionList();
-	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D)
 	 {
 	    // See if anything can meet this dep
 	    // Walk along the actual package providing versions
 	    bool Hit = false;
 	    pkgCache::PkgIterator DPkg = D.TargetPkg();
 	    for (pkgCache::VerIterator I = DPkg.VersionList();
-		      I.end() == false && Hit == false; I++)
+		      I.end() == false && Hit == false; ++I)
 	    {
-	       if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
+	       if (Cache->VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
 		  Hit = true;
 	    }
 	    
 	    // Follow all provides
 	    for (pkgCache::PrvIterator I = DPkg.ProvidesList(); 
-		      I.end() == false && Hit == false; I++)
+		      I.end() == false && Hit == false; ++I)
 	    {
-	       if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
+	       if (Cache->VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
 		  Hit = true;
 	    }
 	    
 	    // Only graph critical deps	    
 	    if (D.IsCritical() == true)
 	    {
-	       printf("\"%s\" -> \"%s\"",Pkg.Name(),D.TargetPkg().Name());
+	       printf("\"%s\" -> \"%s\"",Pkg.FullName(true).c_str(),D.TargetPkg().FullName(true).c_str());
 	       
 	       // Colour the node for recursion
 	       if (Show[D.TargetPkg()->ID] <= DoneNR)
 	       {
 		  /* If a conflicts does not meet anything in the database
 		     then show the relation but do not recurse */
-		  if (Hit == false && 
-		      (D->Type == pkgCache::Dep::Conflicts ||
-		       D->Type == pkgCache::Dep::Obsoletes))
+		  if (Hit == false && D.IsNegative() == true)
 		  {
 		     if (Show[D.TargetPkg()->ID] == None && 
 			 Show[D.TargetPkg()->ID] != ToShow)
@@ -1114,6 +913,7 @@ bool Dotty(CommandLine &CmdL)
 	       {
 		  case pkgCache::Dep::Conflicts:
 		  case pkgCache::Dep::Obsoletes:
+		  case pkgCache::Dep::DpkgBreaks:
 		  printf("[color=springgreen];\n");
 		  break;
 		  
@@ -1132,341 +932,71 @@ bool Dotty(CommandLine &CmdL)
    
    /* Draw the box colours after the fact since we can not tell what colour
       they should be until everything is finished drawing */
-   for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
    {
       if (Show[Pkg->ID] < DoneNR)
 	 continue;
       
       // Orange box for early recursion stoppage
       if (Show[Pkg->ID] == DoneNR)
-	 printf("\"%s\" [color=orange,shape=%s];\n",Pkg.Name(),
+	 printf("\"%s\" [color=orange,shape=%s];\n",Pkg.FullName(true).c_str(),
 		Shapes[ShapeMap[Pkg->ID]]);
       else
-	 printf("\"%s\" [shape=%s];\n",Pkg.Name(),
+	 printf("\"%s\" [shape=%s];\n",Pkg.FullName(true).c_str(),
 		Shapes[ShapeMap[Pkg->ID]]);
    }
    
    printf("}\n");
+   delete[] Show;
+   delete[] Flags;
+   delete[] ShapeMap;
    return true;
 }
 									/*}}}*/
-// DoAdd - Perform an adding operation					/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool DoAdd(CommandLine &CmdL)
-{
-   return _error->Error("Unimplemented");
-#if 0   
-   // Make sure there is at least one argument
-   if (CmdL.FileSize() <= 1)
-      return _error->Error("You must give at least one file name");
-   
-   // Open the cache
-   FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny);
-   if (_error->PendingError() == true)
-      return false;
-   
-   DynamicMMap Map(CacheF,MMap::Public);
-   if (_error->PendingError() == true)
-      return false;
-
-   OpTextProgress Progress(*_config);
-   pkgCacheGenerator Gen(Map,Progress);
-   if (_error->PendingError() == true)
-      return false;
-
-   unsigned long Length = CmdL.FileSize() - 1;
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache");
-      Progress.SubProgress(Length);
-
-      // Do the merge
-      FileFd TagF(*I,FileFd::ReadOnly);
-      debListParser Parser(TagF);
-      if (_error->PendingError() == true)
-	 return _error->Error("Problem opening %s",*I);
-      
-      if (Gen.SelectFile(*I,"") == false)
-	 return _error->Error("Problem with SelectFile");
-	 
-      if (Gen.MergeList(Parser) == false)
-	 return _error->Error("Problem with MergeList");
-   }
-
-   Progress.Done();
-   GCache = &Gen.GetCache();
-   Stats(CmdL);
-   
-   return true;
-#endif   
-}
-									/*}}}*/
-// DisplayRecord - Displays the complete record for the package		/*{{{*/
-// ---------------------------------------------------------------------
-/* This displays the package record from the proper package index file. 
-   It is not used by DumpAvail for performance reasons. */
-bool DisplayRecord(pkgCache::VerIterator V)
-{
-   // Find an appropriate file
-   pkgCache::VerFileIterator Vf = V.FileList();
-   for (; Vf.end() == false; Vf++)
-      if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)
-	 break;
-   if (Vf.end() == true)
-      Vf = V.FileList();
-      
-   // Check and load the package list file
-   pkgCache::PkgFileIterator I = Vf.File();
-   if (I.IsOk() == false)
-      return _error->Error(_("Package file %s is out of sync."),I.FileName());
-   
-   FileFd PkgF(I.FileName(),FileFd::ReadOnly);
-   if (_error->PendingError() == true)
-      return false;
-   
-   // Read the record
-   unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1];
-   Buffer[V.FileList()->Size] = '\n';
-   if (PkgF.Seek(V.FileList()->Offset) == false ||
-       PkgF.Read(Buffer,V.FileList()->Size) == false)
-   {
-      delete [] Buffer;
-      return false;
-   }
-
-   // Get a pointer to start of Description field
-   const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:");
-
-   // Write all but Description
-   if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer))
-   {
-      delete [] Buffer;
-      return false;
-   }
-
-   // Show the right description
-   pkgRecords Recs(*GCache);
-   pkgCache::DescIterator Desc = V.TranslatedDescription();
-   pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
-   cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
-
-   // Find the first field after the description (if there is any)
-   for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++) 
-   {
-      if(*DescP == '\n' && *(DescP+1) != ' ') 
-      {
-	 // write the rest of the buffer
-	 const unsigned char *end=&Buffer[V.FileList()->Size];
-	 if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP)) 
-	 {
-	    delete [] Buffer;
-	    return false;
-	 }
-
-	 break;
-      }
-   }
-   // write a final newline (after the description)
-   cout<<endl;
-   delete [] Buffer;
-
-   return true;
-}
-									/*}}}*/
-// Search - Perform a search						/*{{{*/
-// ---------------------------------------------------------------------
-/* This searches the package names and package descriptions for a pattern */
-struct ExDescFile
+/* ShowAuto - show automatically installed packages (sorted)		{{{*/
+static bool ShowAuto(CommandLine &)
 {
-   pkgCache::DescFile *Df;
-   bool NameMatch;
-};
-
-bool Search(CommandLine &CmdL)
-{
-   pkgCache &Cache = *GCache;
-   bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
-   bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
-   unsigned NumPatterns = CmdL.FileSize() -1;
-   
-   pkgDepCache::Policy Plcy;
-   
-   // Make sure there is at least one argument
-   if (NumPatterns < 1)
-      return _error->Error(_("You must give exactly one pattern"));
-   
-   // Compile the regex pattern
-   regex_t *Patterns = new regex_t[NumPatterns];
-   memset(Patterns,0,sizeof(*Patterns)*NumPatterns);
-   for (unsigned I = 0; I != NumPatterns; I++)
-   {
-      if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE | 
-		  REG_NOSUB) != 0)
-      {
-	 for (; I != 0; I--)
-	    regfree(&Patterns[I]);
-	 return _error->Error("Regex compilation error");
-      }      
-   }
-   
-   // Create the text record parser
-   pkgRecords Recs(Cache);
-   if (_error->PendingError() == true)
-   {
-      for (unsigned I = 0; I != NumPatterns; I++)
-	 regfree(&Patterns[I]);
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   pkgDepCache *DepCache = CacheFile.GetDepCache();
+   if (unlikely(Cache == NULL || DepCache == NULL))
       return false;
-   }
-   
-   ExDescFile *DFList = new ExDescFile[Cache.HeaderP->PackageCount+1];
-   memset(DFList,0,sizeof(*DFList)*Cache.HeaderP->PackageCount+1);
-
-   // Map versions that we want to write out onto the VerList array.
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
-   {
-      DFList[P->ID].NameMatch = NumPatterns != 0;
-      for (unsigned I = 0; I != NumPatterns; I++)
-      {
-	 if (regexec(&Patterns[I],P.Name(),0,0,0) == 0)
-	    DFList[P->ID].NameMatch &= true;
-	 else
-	    DFList[P->ID].NameMatch = false;
-      }
-        
-      // Doing names only, drop any that dont match..
-      if (NamesOnly == true && DFList[P->ID].NameMatch == false)
-	 continue;
-	 
-      // Find the proper version to use. 
-      pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
-      if (V.end() == false)
-	 DFList[P->ID].Df = V.DescriptionList().FileList();
-   }
-      
-   // Include all the packages that provide matching names too
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
-   {
-      if (DFList[P->ID].NameMatch == false)
-	 continue;
 
-      for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++)
-      {
-	 pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg());
-	 if (V.end() == false)
-	 {
-	    DFList[Prv.OwnerPkg()->ID].Df = V.DescriptionList().FileList();
-	    DFList[Prv.OwnerPkg()->ID].NameMatch = true;
-	 }
-      }
-   }
+   std::vector<string> packages;
+   packages.reserve(Cache->HeaderP->PackageCount / 3);
    
-   LocalitySort(&DFList->Df,Cache.HeaderP->PackageCount,sizeof(*DFList));
+   for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
+      if ((*DepCache)[P].Flags & pkgCache::Flag::Auto)
+         packages.push_back(P.Name());
 
-   // Iterate over all the version records and check them
-   for (ExDescFile *J = DFList; J->Df != 0; J++)
-   {
-      pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(Cache,J->Df));
+    std::sort(packages.begin(), packages.end());
+    
+    for (vector<string>::iterator I = packages.begin(); I != packages.end(); ++I)
+            cout << *I << "\n";
 
-      bool Match = true;
-      if (J->NameMatch == false)
-      {
-	 string LongDesc = P.LongDesc();
-	 Match = NumPatterns != 0;
-	 for (unsigned I = 0; I != NumPatterns; I++)
-	 {
-	    if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
-	       Match &= true;
-	    else
-	       Match = false;
-	 }
-      }
-      
-      if (Match == true)
-      {
-	 if (ShowFull == true)
-	 {
-	    const char *Start;
-	    const char *End;
-	    P.GetRec(Start,End);
-	    fwrite(Start,End-Start,1,stdout);
-	    putc('\n',stdout);
-	 }	 
-	 else
-	    printf("%s - %s\n",P.Name().c_str(),P.ShortDesc().c_str());
-      }
-   }
-   
-   delete [] DFList;
-   for (unsigned I = 0; I != NumPatterns; I++)
-      regfree(&Patterns[I]);
-   if (ferror(stdout))
-       return _error->Error("Write to stdout failed");
+   _error->Notice(_("This command is deprecated. Please use 'apt-mark showauto' instead."));
    return true;
 }
 									/*}}}*/
-// ShowPackage - Dump the package record to the screen			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowPackage(CommandLine &CmdL)
-{   
-   pkgCache &Cache = *GCache;
-   pkgDepCache::Policy Plcy;
-
-   unsigned found = 0;
-   
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
-
-      ++found;
-
-      // Find the proper version to use.
-      if (_config->FindB("APT::Cache::AllVersions","true") == true)
-      {
-	 pkgCache::VerIterator V;
-	 for (V = Pkg.VersionList(); V.end() == false; V++)
-	 {
-	    if (DisplayRecord(V) == false)
-	       return false;
-	 }
-      }
-      else
-      {
-	 pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
-	 if (V.end() == true || V.FileList().end() == true)
-	    continue;
-	 if (DisplayRecord(V) == false)
-	    return false;
-      }      
-   }
-
-   if (found > 0)
-        return true;
-   return _error->Error(_("No packages found"));
-}
-									/*}}}*/
 // ShowPkgNames - Show package names					/*{{{*/
 // ---------------------------------------------------------------------
 /* This does a prefix match on the first argument */
-bool ShowPkgNames(CommandLine &CmdL)
+static bool ShowPkgNames(CommandLine &CmdL)
 {
-   pkgCache &Cache = *GCache;
-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   bool All = _config->FindB("APT::Cache::AllNames","false");
-   
+   pkgCacheFile CacheFile;
+   if (unlikely(CacheFile.BuildCaches(NULL, false) == false))
+      return false;
+   pkgCache::GrpIterator I = CacheFile.GetPkgCache()->GrpBegin();
+   bool const All = _config->FindB("APT::Cache::AllNames","false");
+
    if (CmdL.FileList[1] != 0)
    {
-      for (;I.end() != true; I++)
+      for (;I.end() != true; ++I)
       {
-	 if (All == false && I->VersionList == 0)
+	 if (All == false && I->FirstPackage == 0)
+	    continue;
+	 if (I.FindPkg("any")->VersionList == 0)
 	    continue;
-	 
 	 if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0)
 	    cout << I.Name() << endl;
       }
@@ -1475,9 +1005,11 @@ bool ShowPkgNames(CommandLine &CmdL)
    }
    
    // Show all pkgs
-   for (;I.end() != true; I++)
+   for (;I.end() != true; ++I)
    {
-      if (All == false && I->VersionList == 0)
+      if (All == false && I->FirstPackage == 0)
+	 continue;
+      if (I.FindPkg("any")->VersionList == 0)
 	 continue;
       cout << I.Name() << endl;
    }
@@ -1485,161 +1017,16 @@ bool ShowPkgNames(CommandLine &CmdL)
    return true;
 }
 									/*}}}*/
-// ShowSrcPackage - Show source package records				/*{{{*/
+// Madison - Look a bit like katie's madison				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool ShowSrcPackage(CommandLine &CmdL)
+static bool Madison(CommandLine &CmdL)
 {
-   pkgSourceList List;
-   List.ReadMainList();
-   
-   // Create the text record parsers
-   pkgSrcRecords SrcRecs(List);
-   if (_error->PendingError() == true)
-      return false;
+   pkgCacheFile CacheFile;
+   pkgSourceList *SrcList = CacheFile.GetSourceList();
 
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      SrcRecs.Restart();
-      
-      pkgSrcRecords::Parser *Parse;
-      while ((Parse = SrcRecs.Find(*I,false)) != 0)
-	 cout << Parse->AsStr() << endl;;
-   }      
-   return true;
-}
-									/*}}}*/
-// Policy - Show the results of the preferences file			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Policy(CommandLine &CmdL)
-{
    if (SrcList == 0)
-      return _error->Error("Generate must be enabled for this function");
-   
-   pkgCache &Cache = *GCache;
-   pkgPolicy Plcy(&Cache);
-   if (ReadPinFile(Plcy) == false)
       return false;
-   
-   // Print out all of the package files
-   if (CmdL.FileList[1] == 0)
-   {
-      cout << _("Package files:") << endl;   
-      for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
-      {
-	 // Locate the associated index files so we can derive a description
-	 pkgIndexFile *Indx;
-	 if (SrcList->FindIndex(F,Indx) == false &&
-	     _system->FindIndex(F,Indx) == false)
-	    return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
-	 
-	 printf("%4i %s\n",
-		Plcy.GetPriority(F),Indx->Describe(true).c_str());
-	 
-	 // Print the reference information for the package
-	 string Str = F.RelStr();
-	 if (Str.empty() == false)
-	    printf("     release %s\n",F.RelStr().c_str());
-	 if (F.Site() != 0 && F.Site()[0] != 0)
-	    printf("     origin %s\n",F.Site());
-      }
-      
-      // Show any packages have explicit pins
-      cout << _("Pinned packages:") << endl;
-      pkgCache::PkgIterator I = Cache.PkgBegin();
-      for (;I.end() != true; I++)
-      {
-	 if (Plcy.GetPriority(I) == 0)
-	    continue;
-
-	 // Print the package name and the version we are forcing to
-	 cout << "     " << I.Name() << " -> ";
-	 
-	 pkgCache::VerIterator V = Plcy.GetMatch(I);
-	 if (V.end() == true)
-	    cout << _("(not found)") << endl;
-	 else
-	    cout << V.VerStr() << endl;
-      }     
-      
-      return true;
-   }
-   
-   // Print out detailed information for each package
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
-      {
-	 _error->Warning(_("Unable to locate package %s"),*I);
-	 continue;
-      }
-      
-      cout << Pkg.Name() << ":" << endl;
-      
-      // Installed version
-      cout << _("  Installed: ");
-      if (Pkg->CurrentVer == 0)
-	 cout << _("(none)") << endl;
-      else
-	 cout << Pkg.CurrentVer().VerStr() << endl;
-      
-      // Candidate Version 
-      cout << _("  Candidate: ");
-      pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
-      if (V.end() == true)
-	 cout << _("(none)") << endl;
-      else
-	 cout << V.VerStr() << endl;
-
-      // Pinned version
-      if (Plcy.GetPriority(Pkg) != 0)
-      {
-	 cout << _("  Package pin: ");
-	 V = Plcy.GetMatch(Pkg);
-	 if (V.end() == true)
-	    cout << _("(not found)") << endl;
-	 else
-	    cout << V.VerStr() << endl;
-      }
-      
-      // Show the priority tables
-      cout << _("  Version table:") << endl;
-      for (V = Pkg.VersionList(); V.end() == false; V++)
-      {
-	 if (Pkg.CurrentVer() == V)
-	    cout << " *** " << V.VerStr();
-	 else
-	    cout << "     " << V.VerStr();
-	 cout << " " << Plcy.GetPriority(Pkg) << endl;
-	 for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
-	 {
-	    // Locate the associated index files so we can derive a description
-	    pkgIndexFile *Indx;
-	    if (SrcList->FindIndex(VF.File(),Indx) == false &&
-		_system->FindIndex(VF.File(),Indx) == false)
-	       return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
-	    printf(_("       %4i %s\n"),Plcy.GetPriority(VF.File()),
-		   Indx->Describe(true).c_str());
-	 }	 
-      }      
-   }
-   
-   return true;
-}
-									/*}}}*/
-// Madison - Look a bit like katie's madison				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Madison(CommandLine &CmdL)
-{
-   if (SrcList == 0)
-      return _error->Error("Generate must be enabled for this function");
-
-   SrcList->ReadMainList();
-
-   pkgCache &Cache = *GCache;
 
    // Create the src text record parsers and ignore errors about missing
    // deb-src lines that are generated from pkgSrcRecords::pkgSrcRecords
@@ -1647,15 +1034,16 @@ bool Madison(CommandLine &CmdL)
    if (_error->PendingError() == true)
       _error->Discard();
 
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-
-      if (Pkg.end() == false)
+      _error->PushToStack();
+      APT::PackageList pkgset = APT::PackageList::FromString(CacheFile, *I, helper);
+      for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
       {
-         for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++)
+         for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; ++V)
          {
-            for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
+            for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; ++VF)
             {
 // This might be nice, but wouldn't uniquely identify the source -mdz
 //                if (VF.File().Archive() != 0)
@@ -1665,15 +1053,15 @@ bool Madison(CommandLine &CmdL)
 //                }
 
                // Locate the associated index files so we can derive a description
-               for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); S++)
+               for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); ++S)
                {
                     vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles();
                     for (vector<pkgIndexFile *>::const_iterator IF = Indexes->begin();
-                         IF != Indexes->end(); IF++)
+                         IF != Indexes->end(); ++IF)
                     {
                          if ((*IF)->FindInCache(*(VF.File().Cache())) == VF.File())
                          {
-                                   cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
+                                   cout << setw(10) << Pkg.FullName(true) << " | " << setw(10) << V.VerStr() << " | "
                                         << (*IF)->Describe(true) << endl;
                          }
                     }
@@ -1682,199 +1070,89 @@ bool Madison(CommandLine &CmdL)
          }
       }
 
-      
       SrcRecs.Restart();
       pkgSrcRecords::Parser *SrcParser;
-      while ((SrcParser = SrcRecs.Find(*I,false)) != 0)
+      bool foundSomething = false;
+      while ((SrcParser = SrcRecs.Find(*I, false)) != 0)
       {
+         foundSomething = true;
          // Maybe support Release info here too eventually
          cout << setw(10) << SrcParser->Package() << " | "
               << setw(10) << SrcParser->Version() << " | "
               << SrcParser->Index().Describe(true) << endl;
       }
+      if (foundSomething == true)
+	 _error->RevertToStack();
+      else
+	 _error->MergeWithStack();
    }
 
    return true;
 }
-
 									/*}}}*/
 // GenCaches - Call the main cache generator				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool GenCaches(CommandLine &Cmd)
+static bool GenCaches(CommandLine &)
 {
    OpTextProgress Progress(*_config);
-   
-   pkgSourceList List;
-   if (List.ReadMainList() == false)
-      return false;   
-   return pkgMakeStatusCache(List,Progress);
+
+   pkgCacheFile CacheFile;
+   return CacheFile.BuildCaches(&Progress, true);
 }
 									/*}}}*/
-// ShowHelp - Show a help screen					/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowHelp(CommandLine &Cmd)
+static bool ShowHelp(CommandLine &)					/*{{{*/
 {
-   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
-	    COMMON_ARCH,__DATE__,__TIME__);
-   
-   if (_config->FindB("version") == true)
-     return true;
-
-   cout << 
+   std::cout <<
     _("Usage: apt-cache [options] command\n"
-      "       apt-cache [options] add file1 [file2 ...]\n"
-      "       apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
-      "       apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
-      "\n"
-      "apt-cache is a low-level tool used to manipulate APT's binary\n"
-      "cache files, and query information from them\n"
-      "\n"
-      "Commands:\n"
-      "   add - Add a package file to the source cache\n"
-      "   gencaches - Build both the package and source cache\n"
-      "   showpkg - Show some general information for a single package\n"
-      "   showsrc - Show source records\n"
-      "   stats - Show some basic statistics\n"
-      "   dump - Show the entire file in a terse form\n"
-      "   dumpavail - Print an available file to stdout\n"
-      "   unmet - Show unmet dependencies\n"
-      "   search - Search the package list for a regex pattern\n"
-      "   show - Show a readable record for the package\n"
-      "   depends - Show raw dependency information for a package\n"
-      "   rdepends - Show reverse dependency information for a package\n"
-      "   pkgnames - List the names of all packages in the system\n"
-      "   dotty - Generate package graphs for GraphViz\n"
-      "   xvcg - Generate package graphs for xvcg\n"
-      "   policy - Show policy settings\n"
+      "       apt-cache [options] show pkg1 [pkg2 ...]\n"
       "\n"
-      "Options:\n"
-      "  -h   This help text.\n"
-      "  -p=? The package cache.\n"
-      "  -s=? The source cache.\n"
-      "  -q   Disable progress indicator.\n"
-      "  -i   Show only important deps for the unmet command.\n"
-      "  -c=? Read this configuration file\n"
-      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
-      "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n");
+      "apt-cache queries and displays available information about installed\n"
+      "and installable packages. It works exclusively on the data acquired\n"
+      "into the local cache via the 'update' command of e.g. apt-get. The\n"
+      "displayed information may therefore be outdated if the last update was\n"
+      "too long ago, but in exchange apt-cache works independently of the\n"
+      "availability of the configured sources (e.g. offline).\n");
    return true;
 }
 									/*}}}*/
-// CacheInitialize - Initialize things for apt-cache			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void CacheInitialize()
+static std::vector<aptDispatchWithHelp> GetCommands()			/*{{{*/
 {
-   _config->Set("quiet",0);
-   _config->Set("help",false);
+   return {
+      {"gencaches",&GenCaches, nullptr},
+      {"showsrc",&ShowSrcPackage, _("Show source records")},
+      {"showpkg",&DumpPackage, nullptr},
+      {"stats",&Stats, nullptr},
+      {"dump",&Dump, nullptr},
+      {"dumpavail",&DumpAvail, nullptr},
+      {"unmet",&UnMet, nullptr},
+      {"search",&DoSearch, _("Search the package list for a regex pattern")},
+      {"depends",&Depends, _("Show raw dependency information for a package")},
+      {"rdepends",&RDepends, _("Show reverse dependency information for a package")},
+      {"dotty",&Dotty, nullptr},
+      {"xvcg",&XVcg, nullptr},
+      {"show",&ShowPackage, _("Show a readable record for the package")},
+      {"pkgnames",&ShowPkgNames, _("List the names of all packages in the system")},
+      {"showauto",&ShowAuto, nullptr},
+      {"policy",&Policy, _("Show policy settings")},
+      {"madison",&Madison, nullptr},
+      {nullptr, nullptr, nullptr}
+   };
 }
 									/*}}}*/
-
-int main(int argc,const char *argv[])
+int main(int argc,const char *argv[])					/*{{{*/
 {
-   CommandLine::Args Args[] = {
-      {'h',"help","help",0},
-      {'v',"version","version",0},
-      {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg},
-      {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
-      {'q',"quiet","quiet",CommandLine::IntLevel},
-      {'i',"important","APT::Cache::Important",0},
-      {'f',"full","APT::Cache::ShowFull",0},
-      {'g',"generate","APT::Cache::Generate",0},
-      {'a',"all-versions","APT::Cache::AllVersions",0},
-      {'n',"names-only","APT::Cache::NamesOnly",0},
-      {0,"all-names","APT::Cache::AllNames",0},
-      {0,"recurse","APT::Cache::RecurseDepends",0},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,"installed","APT::Cache::Installed",0},
-      {0,0,0,0}};
-   CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
-                                    {"add",&DoAdd},
-                                    {"gencaches",&GenCaches},
-                                    {"showsrc",&ShowSrcPackage},
-                                    {0,0}};
-   CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
-                                    {"stats",&Stats},
-                                    {"dump",&Dump},
-                                    {"dumpavail",&DumpAvail},
-                                    {"unmet",&UnMet},
-                                    {"search",&Search},
-                                    {"depends",&Depends},
-                                    {"rdepends",&RDepends},
-                                    {"dotty",&Dotty},
-                                    {"xvcg",&XVcg},
-                                    {"show",&ShowPackage},
-                                    {"pkgnames",&ShowPkgNames},
-                                    {"policy",&Policy},
-                                    {"madison",&Madison},
-                                    {0,0}};
-
-   CacheInitialize();
-
-   // Set up gettext support
-   setlocale(LC_ALL,"");
-   textdomain(PACKAGE);
+   InitLocale();
 
    // Parse the command line and initialize the package library
-   CommandLine CmdL(Args,_config);
-   if (pkgInitConfig(*_config) == false ||
-       CmdL.Parse(argc,argv) == false ||
-       pkgInitSystem(*_config,_system) == false)
-   {
-      _error->DumpErrors();
-      return 100;
-   }
+   CommandLine CmdL;
+   auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_CACHE, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
 
-   // See if the help should be shown
-   if (_config->FindB("help") == true ||
-       CmdL.FileSize() == 0)
-   {
-      ShowHelp(CmdL);
-      return 0;
-   }
-   
-   // Deal with stdout not being a tty
-   if (isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
-      _config->Set("quiet","1");
-
-   if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
-   { 
-      MMap *Map = 0;
-      if (_config->FindB("APT::Cache::Generate",true) == false)
-      {
-	 Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"),
-				    FileFd::ReadOnly),MMap::Public|MMap::ReadOnly);
-      }
-      else
-      {
-	 // Open the cache file
-	 SrcList = new pkgSourceList;
-	 SrcList->ReadMainList();
+   InitOutput();
 
-	 // Generate it and map it
-	 OpProgress Prog;
-	 pkgMakeStatusCache(*SrcList,Prog,&Map,true);
-      }
-      
-      if (_error->PendingError() == false)
-      {
-	 pkgCache Cache(Map);   
-	 GCache = &Cache;
-	 if (_error->PendingError() == false)
-	    CmdL.DispatchArg(CmdsB);
-      }
-      delete Map;
-   }
-   
-   // Print any errors or warnings found during parsing
-   if (_error->empty() == false)
-   {
-      bool Errors = _error->PendingError();
-      _error->DumpErrors();
-      return Errors == true?100:0;
-   }
-          
-   return 0;
+   if (_config->Exists("APT::Cache::Generate") == true)
+      _config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true));
+
+   return DispatchCommandLine(CmdL, Cmds);
 }
+									/*}}}*/