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debian/control: Set Standards-Version to 3.9.7
[apt.git] / cmdline / apt-cache.cc
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 9a404e5be9cb09a18815bf2da434317f67adc7ce..4818330848e72af9f1d87320d7d7edb409187881 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -1,205 +1,211 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: apt-cache.cc,v 1.34 1999/04/19 02:35:38 jgg Exp $
+// $Id: apt-cache.cc,v 1.72 2004/04/30 04:34:03 mdz Exp $
 /* ######################################################################
    
    apt-cache - Manages the cache files
    
    apt-cache provides some functions fo manipulating the cache files.
 /* ######################################################################
    
    apt-cache - Manages the cache files
    
    apt-cache provides some functions fo manipulating the cache files.
-   It uses the command line interface common to all the APT tools. The
-   only really usefull function right now is dumpavail which is used
-   by the dselect method. Everything else is ment as a debug aide.
+   It uses the command line interface common to all the APT tools. 
    
    Returns 100 on failure, 0 on success.
    
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    
    Returns 100 on failure, 0 on success.
    
    ##################################################################### */
                                                                        /*}}}*/
 // 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/error.h>
-#include <apt-pkg/pkgcachegen.h>
-#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
 #include <apt-pkg/init.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/progress.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/cmndline.h>
+#include <apt-pkg/sptr.h>
+#include <apt-pkg/srcrecords.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/pkgrecords.h>
-#include <config.h>
+#include <apt-pkg/tagfile.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 <iostream.h>
-#include <unistd.h>
-#include <errno.h>
 #include <regex.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>
                                                                        /*}}}*/
 
                                                                        /*}}}*/
 
-pkgCache *GCache = 0;
+using namespace std;
 
 
-// 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);
-           
-/*         cout << "s: Check " << Start.TargetPkg().Name() << ',' <<
-              End.TargetPkg().Name() << endl;*/
-              
-           // 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)
-                 cout << "Package " << P.Name() << " version " << 
-              V.VerStr() << " has an unmet dep:" << endl;
-           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 << "Versions: ";
-      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
+      cout << "Package: " << Pkg.FullName(true) << endl;
+      cout << "Versions: " << endl;
+      for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; ++Cur)
       {
         cout << Cur.VerStr();
       {
         cout << Cur.VerStr();
-        for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)
-           cout << "(" << Vf.File().FileName() << ")";
-        cout << ',';
+        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)
+        {
+           cout << " Description Language: " << D.LanguageCode() << endl
+                << "                 File: " << D.FileList().File().FileName() << endl
+                << "                  MD5: " << D.md5() << endl;
+        }
+        cout << endl;
       }
       
       cout << endl;
       
       cout << "Reverse Depends: " << endl;
       }
       
       cout << endl;
       
       cout << "Reverse Depends: " << endl;
-      for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++)
-        cout << "  " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name() << endl;
-
+      for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; ++D)
+      {
+        cout << "  " << D.ParentPkg().FullName(true) << ',' << D.TargetPkg().FullName(true);
+        if (D->Version != 0)
+           cout << ' ' << DeNull(D.TargetVer()) << endl;
+        else
+           cout << endl;
+      }
+      
       cout << "Dependencies: " << endl;
       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() << " - ";
       {
         cout << Cur.VerStr() << " - ";
-        for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++)
-           cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << 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;
         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() << " - ";
       {
         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;
         cout << endl;
       }
       cout << "Reverse Provides: " << endl;
-      for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++)
-        cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr();
-      cout << 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;
 }
                                                                        /*}}}*/
    }
 
    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                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // 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;
-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   
+   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;
    int Normal = 0;
    int Virtual = 0;
    int NVirt = 0;
    int DVirt = 0;
    int Missing = 0;
-   for (;I.end() != true; I++)
+   pkgCache::PkgIterator I = Cache->PkgBegin();
+   for (;I.end() != true; ++I)
    {
       if (I->VersionList != 0 && I->ProvidesList == 0)
       {
    {
       if (I->VersionList != 0 && I->ProvidesList == 0)
       {
@@ -230,102 +236,158 @@ bool Stats(CommandLine &Cmd)
         continue;
       }
    }
         continue;
       }
    }
-   cout << "  Normal Packages: " << Normal << endl;
-   cout << "  Pure Virtual Packages: " << Virtual << endl;
-   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 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 Provides Mappings: " << Cache.Head().ProvidesCount << " (" <<
-      SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl;
-   
+   cout << _("  Normal packages: ") << Normal << endl;
+   cout << _("  Pure virtual packages: ") << Virtual << endl;
+   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 << "/" << 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
    // 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)
+   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)
+   {
+      stritems.insert(P->Arch);
+      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
+      {
+        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)
+              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);
+      }
+   }
+   for (pkgCache::RlsFileIterator F = Cache->RlsFileBegin(); F != Cache->RlsFileEnd(); ++F)
    {
    {
-      Count++;
-      Size += strlen(Cache.StrP + I->String);
+      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);
    }
    }
-   cout << "Total Globbed Strings: " << Count << " (" << SizeToStr(Size) << ')' << endl;
-      
+   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++)
    unsigned long Slack = 0;
    for (int I = 0; I != 7; I++)
-      Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;
-   cout << "Total Slack space: " << SizeToStr(Slack) << endl;
-   
+      Slack += Cache->Head().Pools[I].ItemSize*Cache->Head().Pools[I].Count;
+   cout << _("Total slack space: ") << SizeToStr(Slack) << endl;
+
    unsigned long Total = 0;
    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;
-   cout << "Total Space Accounted for: " << SizeToStr(Total) << endl;
-   
-   return true;
-}
-                                                                       /*}}}*/
-// Check - Check some things about the cache                           /*{{{*/
-// ---------------------------------------------------------------------
-/* Debug aide mostly */
-bool Check(CommandLine &Cmd)
-{
-   pkgCache &Cache = *GCache;
-   pkgCache::PkgIterator Pkg = Cache.PkgBegin();
-   for (;Pkg.end() != true; Pkg++)
-   {
-      if (Pkg.Section() == 0 && Pkg->VersionList != 0)
-        cout << "Bad section " << Pkg.Name() << endl;
-      
-      for (pkgCache::VerIterator Cur = Pkg.VersionList(); 
-          Cur.end() != true; Cur++)
-      {
-        if (Cur->Priority < 1 || Cur->Priority > 5)
-           cout << "Bad prio " << Pkg.Name() << ',' << Cur.VerStr() << " == " << (int)Cur->Priority << endl;
-      }
-   }
+#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                                              /*{{{*/
 // ---------------------------------------------------------------------
    return true;
 }
                                                                        /*}}}*/
 // Dump - show everything                                              /*{{{*/
 // ---------------------------------------------------------------------
-/* */
-bool Dump(CommandLine &Cmd)
+/* This is worthless except fer debugging things */
+static bool Dump(CommandLine &)
 {
 {
-   pkgCache &Cache = *GCache;
-   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   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)
    {
    {
-      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() << ' ' << D.TargetVer() << endl;
+        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)
+        {
+           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); F.end() == false; F++)
+   for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F)
    {
    {
-      cout << "File: " << F.FileName() << endl;
-      cout << " Size: " << F->Size << endl;
-      cout << " ID: " << F->ID << endl;
-      cout << " Flags: " << F->Flags << endl;
-      cout << " Time: " << TimeRFC1123(F->mtime) << endl;
-      cout << " Archive: " << F.Archive() << endl;
-      cout << " Component: " << F.Component() << endl;
-      cout << " Version: " << F.Version() << endl;
-      cout << " Origin: " << F.Origin() << endl;
-      cout << " Label: " << F.Label() << endl;
-      cout << " Architecture: " << 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;
    }
 
    return true;
@@ -333,354 +395,764 @@ bool Dump(CommandLine &Cmd)
                                                                        /*}}}*/
 // DumpAvail - Print out the available list                            /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // DumpAvail - Print out the available list                            /*{{{*/
 // ---------------------------------------------------------------------
-/* This is needed to make dpkg --merge happy */
-bool DumpAvail(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.. */
+static bool DumpAvail(CommandLine &)
 {
 {
-   pkgCache &Cache = *GCache;
-   unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize];
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL || CacheFile.BuildPolicy() == false))
+      return false;
 
 
-   for (pkgCache::PkgFileIterator I = Cache.FileBegin(); I.end() == false; I++)
-   {
-      if ((I->Flags & pkgCache::Flag::NotSource) != 0)
+   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)
+   {    
+      if (P->VersionList == 0)
         continue;
       
         continue;
       
-      if (I.IsOk() == false)
+      /* 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 = CacheFile.GetPolicy()->GetCandidateVer(P);
+      if (V.end() == true)
       {
       {
-        delete [] Buffer;
-        return _error->Error("Package file %s is out of sync.",I.FileName());
+        if (P->CurrentVer == 0)
+           continue;
+        V = P.CurrentVer();
       }
       
       }
       
-      FileFd PkgF(I.FileName(),FileFd::ReadOnly);
-      if (_error->PendingError() == true)
+      pkgCache::VerFileIterator VF = V.FileList();
+      for (; VF.end() == false ; ++VF)
+        if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
+           break;
+      
+      /* Okay, here we have a bit of a problem.. The policy has selected the
+         currently installed package - however it only exists in the
+                status file.. We need to write out something or dselect will mark
+         the package as obsolete! Thus we emit the status file entry, but
+         below we remove the status line to make it valid for the 
+         available file. However! We only do this if their do exist *any*
+         non-source versions of the package - that way the dselect obsolete
+         handling works OK. */
+      if (VF.end() == true)
       {
       {
-        delete [] Buffer;
-        return false;
+        for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; ++Cur)
+        {
+           for (VF = Cur.FileList(); VF.end() == false; ++VF)
+           {    
+              if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
+              {
+                 VF = V.FileList();
+                 break;
+              }
+           }
+           
+           if (VF.end() == false)
+              break;
+        }
       }
       }
+      
+      VFList[P->ID] = VF;
+   }
+   
+   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);
 
 
-      /* Write all of the records from this package file, we search the entire
-         structure to find them */
-      for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   // Iterate over all the package files and write them out.
+   char *Buffer = new char[Cache->HeaderP->MaxVerFileSize+10];
+   for (pkgCache::VerFile **J = VFList; *J != 0;)
+   {
+      pkgCache::PkgFileIterator File(*Cache,(*J)->File + Cache->PkgFileP);
+      if (File.IsOk() == false)
       {
       {
-        // Find the proper version to use. We should probably use the DepCache.
-        pkgCache::VerIterator V = Cache.GetCandidateVer(P,false);
+        _error->Error(_("Package file %s is out of sync."),File.FileName());
+        break;
+      }
 
 
-        if (V.end() == true || V.FileList().File() != I)
-           continue;
+      FileFd PkgF(File.FileName(),FileFd::ReadOnly, FileFd::Extension);
+      if (_error->PendingError() == true)
+        break;
+      
+      /* Write all of the records from this package file, since we
+                already did locality sorting we can now just seek through the
+                file in read order. We apply 1 more optimization here, since often
+                there will be < 1 byte gaps between records (for the \n) we read that
+                into the next buffer and offset a bit.. */
+      unsigned long Pos = 0;
+      for (; *J != 0; J++)
+      {
+        if ((*J)->File + Cache->PkgFileP != File)
+           break;
         
         
+        const pkgCache::VerFile &VF = **J;
+
         // Read the record and then write it out again.
         // Read the record and then write it out again.
-        if (PkgF.Seek(V.FileList()->Offset) == false ||
-            PkgF.Read(Buffer,V.FileList()->Size) == false ||
-            write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+        unsigned long Jitter = VF.Offset - Pos;
+        if (Jitter > 8)
         {
         {
-           delete [] Buffer;
-           return false;
-        }       
+           if (PkgF.Seek(VF.Offset) == false)
+              break;
+           Jitter = 0;
+        }
+        
+        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;
+           if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false ||
+               Tags.Write(stdoutfd, NULL, RW) == false ||
+               stdoutfd.Write("\n", 1) == false)
+           {
+              _error->Error("Internal Error, Unable to parse a package record");
+              break;
+           }
+        }
+        else
+        {
+           if (stdoutfd.Write(Buffer + Jitter, VF.Size + 1) == false)
+              break;
+        }
+
+        Pos = VF.Offset + VF.Size;
       }
       }
+
+      if (_error->PendingError() == true)
+         break;
    }
    }
-   
-   return true;
+
+   delete [] Buffer;
+   delete [] VFList;
+   return !_error->PendingError();
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// DoAdd - Perform an adding operation                                 /*{{{*/
+// xvcg - Generate a graph for xvcg                                    /*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
-/* */
-bool DoAdd(CommandLine &CmdL)
+// Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
+
+static bool XVcg(CommandLine &CmdL)
 {
 {
-   // 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)
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
       return false;
       return false;
+
+   bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
    
    
-   DynamicMMap Map(CacheF,MMap::Public);
-   if (_error->PendingError() == true)
-      return false;
+   /* Normal packages are boxes
+      Pure Provides are triangles
+      Mixed are diamonds
+      rhomb are missing packages*/
+   const char *Shapes[] = {"ellipse","triangle","box","rhomb"};
+   
+   /* Initialize the list of packages to show.
+      1 = To Show
+      2 = To Show no recurse
+      3 = Emitted no recurse
+      4 = Emitted
+      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];
+   
+   // Show everything if no arguments given
+   if (CmdL.FileList[1] == 0)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
+        Show[I] = ToShow;
+   else
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
+        Show[I] = None;
+   memset(Flags,0,sizeof(*Flags)*Cache->Head().PackageCount);
+   
+   // Map the shapes
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
+   {   
+      if (Pkg->VersionList == 0)
+      {
+        // Missing
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 0;
+        else
+           ShapeMap[Pkg->ID] = 1;
+      }
+      else
+      {
+        // Normal
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 2;
+        else
+           ShapeMap[Pkg->ID] = 3;
+      }
+   }
 
 
-   OpTextProgress Progress(*_config);
-   pkgCacheGenerator Gen(Map,Progress);
-   if (_error->PendingError() == true)
-      return false;
+   // Load the list of packages from the command line into the show list
+   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);
 
 
-   unsigned long Length = CmdL.FileSize() - 1;
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   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)
    {
    {
-      Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache");
-      Progress.SubProgress(Length);
+      Show[Pkg->ID] = ToShow;
+      Flags[Pkg->ID] |= ForceNR;
+   }
 
 
-      // 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");
+   // Little header
+   cout << "graph: { title: \"packages\"" << endl <<
+     "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<
+     "layout_downfactor: 8" << endl;
+
+   bool Act = true;
+   while (Act == true)
+   {
+      Act = false;
+      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)
+           continue;
+
+        //printf ("node: { title: \"%s\" label: \"%s\" }\n", Pkg.Name(), Pkg.Name());
         
         
-      if (Gen.MergeList(Parser) == false)
-        return _error->Error("Problem with MergeList");
-   }
+        // Colour as done
+        if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR)
+        {
+           // Pure Provides and missing packages have no deps!
+           if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1)
+              Show[Pkg->ID] = Done;
+           else
+              Show[Pkg->ID] = DoneNR;
+        }       
+        else
+           Show[Pkg->ID] = Done;
+        Act = true;
 
 
-   Progress.Done();
-   GCache = &Gen.GetCache();
-   Stats(CmdL);
+        // No deps to map out
+        if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR)
+           continue;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        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)
+           {
+              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)
+           {
+              if (Cache->VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
+                 Hit = true;
+           }
+           
+
+           // Only graph critical deps     
+           if (D.IsCritical() == true)
+           {
+              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.IsNegative() == true)
+                 {
+                    if (Show[D.TargetPkg()->ID] == None && 
+                        Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                 }               
+                 else
+                 {
+                    if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                    else
+                       Show[D.TargetPkg()->ID] = ToShow;
+                 }
+              }
+              
+              // Edge colour
+              switch(D->Type)
+              {
+                 case pkgCache::Dep::Conflicts:
+                   printf("label: \"conflicts\" color: lightgreen }\n");
+                   break;
+                 case pkgCache::Dep::DpkgBreaks:
+                   printf("label: \"breaks\" color: lightgreen }\n");
+                   break;
+                 case pkgCache::Dep::Obsoletes:
+                   printf("label: \"obsoletes\" color: lightgreen }\n");
+                   break;
+                 
+                 case pkgCache::Dep::PreDepends:
+                   printf("label: \"predepends\" color: blue }\n");
+                   break;
+                 
+                 default:
+                   printf("}\n");
+                 break;
+              }               
+           }       
+        }
+      }
+   }   
    
    
+   /* 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)
+   {
+      if (Show[Pkg->ID] < DoneNR)
+        continue;
+
+      if (Show[Pkg->ID] == DoneNR)
+        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.FullName(true).c_str(), Pkg.FullName(true).c_str(),
+               Shapes[ShapeMap[Pkg->ID]]);
+      
+   }
+
+   delete[] Show;
+   delete[] Flags;
+   delete[] ShapeMap;
+
+   printf("}\n");
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/
-// DisplayRecord - Displays the complete record for the package                /*{{{*/
+// Dotty - Generate a graph for Dotty                                  /*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
-/* 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)
+/* 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/ */
+static bool Dotty(CommandLine &CmdL)
 {
 {
-   // 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)
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
       return false;
       return false;
+
+   bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
+   
+   /* Normal packages are boxes
+      Pure Provides are triangles
+      Mixed are diamonds
+      Hexagons are missing packages*/
+   const char *Shapes[] = {"hexagon","triangle","box","diamond"};
+   
+   /* Initialize the list of packages to show.
+      1 = To Show
+      2 = To Show no recurse
+      3 = Emitted no recurse
+      4 = Emitted
+      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];
+   
+   // Show everything if no arguments given
+   if (CmdL.FileList[1] == 0)
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
+        Show[I] = ToShow;
+   else
+      for (unsigned long I = 0; I != Cache->Head().PackageCount; I++)
+        Show[I] = None;
+   memset(Flags,0,sizeof(*Flags)*Cache->Head().PackageCount);
    
    
-   // Read the record and then write it out again.
-   unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize];
-   if (PkgF.Seek(V.FileList()->Offset) == false ||
-       PkgF.Read(Buffer,V.FileList()->Size) == false ||
-       write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+   // Map the shapes
+   for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
+   {   
+      if (Pkg->VersionList == 0)
+      {
+        // Missing
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 0;
+        else
+           ShapeMap[Pkg->ID] = 1;
+      }
+      else
+      {
+        // Normal
+        if (Pkg->ProvidesList == 0)
+           ShapeMap[Pkg->ID] = 2;
+        else
+           ShapeMap[Pkg->ID] = 3;
+      }
+   }
+
+   // Load the list of packages from the command line into the show list
+   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)
    {
    {
-      delete [] Buffer;
-      return false;
+      Show[Pkg->ID] = ToShow;
+      Flags[Pkg->ID] |= ForceNR;
    }
    }
+
+   // Little header
+   printf("digraph packages {\n");
+   printf("concentrate=true;\n");
+   printf("size=\"30,40\";\n");
    
    
-   delete [] Buffer;
+   bool Act = true;
+   while (Act == true)
+   {
+      Act = false;
+      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)
+           continue;
+        
+        // Colour as done
+        if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR)
+        {
+           // Pure Provides and missing packages have no deps!
+           if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1)
+              Show[Pkg->ID] = Done;
+           else
+              Show[Pkg->ID] = DoneNR;
+        }       
+        else
+           Show[Pkg->ID] = Done;
+        Act = true;
 
 
+        // No deps to map out
+        if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR)
+           continue;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        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)
+           {
+              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)
+           {
+              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.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.IsNegative() == true)
+                 {
+                    if (Show[D.TargetPkg()->ID] == None && 
+                        Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                 }               
+                 else
+                 {
+                    if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow)
+                       Show[D.TargetPkg()->ID] = ToShowNR;
+                    else
+                       Show[D.TargetPkg()->ID] = ToShow;
+                 }
+              }
+              
+              // Edge colour
+              switch(D->Type)
+              {
+                 case pkgCache::Dep::Conflicts:
+                 case pkgCache::Dep::Obsoletes:
+                 case pkgCache::Dep::DpkgBreaks:
+                 printf("[color=springgreen];\n");
+                 break;
+                 
+                 case pkgCache::Dep::PreDepends:
+                 printf("[color=blue];\n");
+                 break;
+                 
+                 default:
+                 printf(";\n");
+                 break;
+              }               
+           }       
+        }
+      }
+   }   
+   
+   /* 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)
+   {
+      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.FullName(true).c_str(),
+               Shapes[ShapeMap[Pkg->ID]]);
+      else
+        printf("\"%s\" [shape=%s];\n",Pkg.FullName(true).c_str(),
+               Shapes[ShapeMap[Pkg->ID]]);
+   }
+   
+   printf("}\n");
+   delete[] Show;
+   delete[] Flags;
+   delete[] ShapeMap;
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/
-// Search - Perform a search                                           /*{{{*/
-// ---------------------------------------------------------------------
-/* This searches the package names and pacakge descriptions for a pattern */
-bool Search(CommandLine &CmdL)
+/* ShowAuto - show automatically installed packages (sorted)           {{{*/
+static bool ShowAuto(CommandLine &)
 {
 {
-   pkgCache &Cache = *GCache;
-   bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
-   bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
-   
-   // Make sure there is at least one argument
-   if (CmdL.FileSize() != 2)
-      return _error->Error("You must give exactly one pattern");
-   
-   // Compile the regex pattern
-   regex_t Pattern;
-   if (regcomp(&Pattern,CmdL.FileList[1],REG_EXTENDED | REG_ICASE | 
-              REG_NOSUB) != 0)
-      return _error->Error("Regex compilation error");
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   pkgDepCache *DepCache = CacheFile.GetDepCache();
+   if (unlikely(Cache == NULL || DepCache == NULL))
+      return false;
+
+   std::vector<string> packages;
+   packages.reserve(Cache->HeaderP->PackageCount / 3);
    
    
-   // Create the text record parser
-   pkgRecords Recs(Cache);
-   if (_error->PendingError() == true)
+   for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
+      if ((*DepCache)[P].Flags & pkgCache::Flag::Auto)
+         packages.push_back(P.Name());
+
+    std::sort(packages.begin(), packages.end());
+    
+    for (vector<string>::iterator I = packages.begin(); I != packages.end(); ++I)
+            cout << *I << "\n";
+
+   _error->Notice(_("This command is deprecated. Please use 'apt-mark showauto' instead."));
+   return true;
+}
+                                                                       /*}}}*/
+// ShowPkgNames - Show package names                                   /*{{{*/
+// ---------------------------------------------------------------------
+/* This does a prefix match on the first argument */
+static bool ShowPkgNames(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   if (unlikely(CacheFile.BuildCaches(NULL, false) == false))
       return 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)
+      {
+        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;
+      }
+
+      return true;
+   }
    
    
-   // Search package names
-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   for (;I.end() != true; I++)
+   // Show all pkgs
+   for (;I.end() != true; ++I)
    {
    {
-      // We search against the install version as that makes the most sense..
-      pkgCache::VerIterator V = Cache.GetCandidateVer(I);
-      if (V.end() == true)
+      if (All == false && I->FirstPackage == 0)
         continue;
         continue;
-
-      pkgRecords::Parser &P = Recs.Lookup(V.FileList());
-      
-      if (regexec(&Pattern,I.Name(),0,0,0) == 0 ||
-         (NamesOnly == false && 
-          regexec(&Pattern,P.LongDesc().c_str(),0,0,0) == 0))
-      {
-        if (ShowFull == true)
-           DisplayRecord(V);
-        else
-           cout << I.Name() << " - " << P.ShortDesc() << endl;
-      }      
+      if (I.FindPkg("any")->VersionList == 0)
+        continue;
+      cout << I.Name() << endl;
    }
    
    }
    
-   regfree(&Pattern);
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/
-// ShowPackage - Dump the package record to the screen                 /*{{{*/
+// Madison - Look a bit like katie's madison                           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */
-bool ShowPackage(CommandLine &CmdL)
-{   
-   pkgCache &Cache = *GCache;
+static bool Madison(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgSourceList *SrcList = CacheFile.GetSourceList();
+
+   if (SrcList == 0)
+      return false;
+
+   // Create the src text record parsers and ignore errors about missing
+   // deb-src lines that are generated from pkgSrcRecords::pkgSrcRecords
+   pkgSrcRecords SrcRecs(*SrcList);
+   if (_error->PendingError() == true)
+      _error->Discard();
+
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
-      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
-      if (Pkg.end() == true)
+      _error->PushToStack();
+      APT::PackageList pkgset = APT::PackageList::FromString(CacheFile, *I, helper);
+      for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
       {
       {
-        _error->Warning("Unable to locate package %s",*I);
-        continue;
+         for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; ++V)
+         {
+            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)
+//                {
+//                   cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
+//                        << VF.File().Archive() << endl;
+//                }
+
+               // Locate the associated index files so we can derive a description
+               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 ((*IF)->FindInCache(*(VF.File().Cache())) == VF.File())
+                         {
+                                   cout << setw(10) << Pkg.FullName(true) << " | " << setw(10) << V.VerStr() << " | "
+                                        << (*IF)->Describe(true) << endl;
+                         }
+                    }
+               }
+            }
+         }
       }
       }
-      
-      // Find the proper version to use. We should probably use the DepCache.
-      pkgCache::VerIterator V = Cache.GetCandidateVer(Pkg);
-      if (V.end() == true || V.FileList().end() == true)
-        continue;
-      if (DisplayRecord(V) == false)
-        return false;
+
+      SrcRecs.Restart();
+      pkgSrcRecords::Parser *SrcParser;
+      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                           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
    return true;
 }
                                                                        /*}}}*/
 // GenCaches - Call the main cache generator                           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool GenCaches(CommandLine &Cmd)
+static bool GenCaches(CommandLine &)
 {
    OpTextProgress Progress(*_config);
 {
    OpTextProgress Progress(*_config);
-   
-   pkgSourceList List;
-   List.ReadMainList();
-   return pkgMakeStatusCache(List,Progress);
+
+   pkgCacheFile CacheFile;
+   return CacheFile.BuildCaches(&Progress, true);
 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/
-// ShowHelp - Show a help screen                                       /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowHelp(CommandLine &Cmd)
+static bool ShowHelp(CommandLine &)                                    /*{{{*/
 {
 {
-   cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
-       " compiled on " << __DATE__ << "  " << __TIME__ << endl;
-   if (_config->FindB("version") == true)
-      return 100;
-   
-   cout << "Usage: apt-cache [options] command" << endl;
-   cout << "       apt-cache [options] add file1 [file1 ...]" << endl;
-   cout << "       apt-cache [options] showpkg pkg1 [pkg2 ...]" << endl;
-   cout << endl;
-   cout << "apt-cache is a low-level tool used to manipulate APT's binary" << endl;
-   cout << "cache files stored in " << _config->FindFile("Dir::Cache") << endl;
-   cout << "It is not ment for ordinary use only as a debug aide." << endl;
-   cout << endl;
-   cout << "Commands:" << endl;
-   cout << "   add - Add an package file to the source cache" << endl;
-   cout << "   gencaches - Build both the package and source cache" << endl;
-   cout << "   showpkg - Show some general information for a single package" << endl;
-   cout << "   stats - Show some basic statistics" << endl;
-   cout << "   dump - Show the entire file in a terse form" << endl;
-   cout << "   dumpavail - Print an available file to stdout" << endl;
-   cout << "   unmet - Show unmet dependencies" << endl;
-   cout << "   check - Check the cache a bit" << endl;
-   cout << "   search - Search the package list for a regex pattern" << endl;
-   cout << "   show - Show a readable record for the package" << endl;
-   cout << endl;
-   cout << "Options:" << endl;
-   cout << "  -h   This help text." << endl;
-   cout << "  -p=? The package cache. [" << _config->FindFile("Dir::Cache::pkgcache") << ']' << endl;
-   cout << "  -s=? The source cache. [" << _config->FindFile("Dir::Cache::srcpkgcache") << ']' << endl;
-   cout << "  -q   Disable progress indicator." << endl;
-   cout << "  -i   Show only important deps for the unmet command." << endl;
-   cout << "  -c=? Read this configuration file" << endl;
-   cout << "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp" << endl;
-   cout << "See the apt-cache(8) and apt.conf(5) manual pages for more information." << endl;
-   return 100;
+   std::cout <<
+    _("Usage: apt-cache [options] command\n"
+      "       apt-cache [options] show pkg1 [pkg2 ...]\n"
+      "\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},
-      {0,"names-only","APT::Cache::NamesOnly",0},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,0,0,0}};
-   CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
-                                    {"add",&DoAdd},
-                                    {"gencaches",&GenCaches},
-                                    {0,0}};
-   CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
-                                    {"stats",&Stats},
-                                    {"dump",&Dump},
-                                    {"dumpavail",&DumpAvail},
-                                    {"unmet",&UnMet},
-                                    {"check",&Check},
-                                    {"search",&Search},
-                                    {"show",&ShowPackage},
-                                    {0,0}};
-
-   CacheInitialize();
-   
+   InitLocale();
+
    // Parse the command line and initialize the package library
    // Parse the command line and initialize the package library
-   CommandLine CmdL(Args,_config);
-   if (pkgInitialize(*_config) == false ||
-       CmdL.Parse(argc,argv) == 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)
-      return ShowHelp(CmdL);
-
-   // Deal with stdout not being a tty
-   if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1)
-      _config->Set("quiet","1");
-
-   if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
-   {      
-      // Open the cache file
-      pkgSourceList List;
-      List.ReadMainList();
-
-      // Generate it and map it
-      OpProgress Prog;
-      MMap *Map = pkgMakeStatusCacheMem(List,Prog);
-      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;
+   InitOutput();
+
+   if (_config->Exists("APT::Cache::Generate") == true)
+      _config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true));
+
+   return DispatchCommandLine(CmdL, Cmds);
 }
 }
+                                                                       /*}}}*/
APT (for Cydia)