X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/99359751efb1ad84e877219639030feb47fb28f7..607bab3fe856d228f22e1cd96dbb7204e2f3375d:/cmdline/apt-cache.cc

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index fb4467c2c..481833084 100644
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -15,203 +15,64 @@
 // Include Files							/*{{{*/
 #include<config.h>
 
-#include <apt-pkg/error.h>
+#include <apt-pkg/algorithms.h>
 #include <apt-pkg/cachefile.h>
 #include <apt-pkg/cacheset.h>
-#include <apt-pkg/init.h>
-#include <apt-pkg/progress.h>
-#include <apt-pkg/sourcelist.h>
 #include <apt-pkg/cmndline.h>
-#include <apt-pkg/strutl.h>
+#include <apt-pkg/error.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/srcrecords.h>
-#include <apt-pkg/version.h>
+#include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/policy.h>
-#include <apt-pkg/tagfile.h>
-#include <apt-pkg/algorithms.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/sourcelist.h>
 #include <apt-pkg/sptr.h>
-#include <apt-pkg/pkgsystem.h>
-#include <apt-pkg/indexfile.h>
-#include <apt-pkg/metaindex.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/strutl.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 <cassert>
-#include <locale.h>
-#include <iostream>
-#include <unistd.h>
-#include <errno.h>
 #include <regex.h>
+#include <stddef.h>
 #include <stdio.h>
-#include <iomanip>
+#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;
 
-// CacheSetHelper saving virtual packages				/*{{{*/
-class CacheSetHelperVirtuals: public APT::CacheSetHelper {
-public:
-   APT::PackageSet virtualPkgs;
-
-   virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
-      virtualPkgs.insert(Pkg);
-      return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg);
-   }
-
-   virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
-      virtualPkgs.insert(Pkg);
-      return CacheSetHelper::canNotFindNewestVer(Cache, Pkg);
-   }
-
-   virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
-      virtualPkgs.insert(Pkg);
-      CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg);
-   }
-
-   CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {}
-};
-									/*}}}*/
-// 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					/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important)
-{
-	 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);
-
-	    // Important deps only
-	    if (Important == true)
-	       if (End->Type != pkgCache::Dep::PreDepends &&
-	           End->Type != pkgCache::Dep::Depends)
-		  continue;
-
-	    // Skip conflicts and replaces
-	    if (End.IsNegative() == true)
-	       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"),
-			V.ParentPkg().FullName(true).c_str(),V.VerStr());
-	    Header = true;
-	    
-	    // Print out the dep type
-	    cout << " " << End.DepType() << ": ";
-
-	    // Show the group
-	    Start = RealStart;
-	    do
-	    {
-	       cout << Start.TargetPkg().FullName(true);
-	       if (Start.TargetVer() != 0)
-		  cout << " (" << Start.CompType() << " " << Start.TargetVer() <<
-		  ")";
-	       if (Start == End)
-		  break;
-	       cout << " | ";
-	       ++Start;
-	    }
-	    while (1);
-	    
-	    cout << endl;
-	 }
-   return true;
-}
-bool UnMet(CommandLine &CmdL)
-{
-   bool const Important = _config->FindB("APT::Cache::Important",false);
-
-   pkgCacheFile CacheFile;
-   if (unlikely(CacheFile.GetPkgCache() == NULL))
-      return false;
-
-   if (CmdL.FileSize() <= 1)
-   {
-      for (pkgCache::PkgIterator P = CacheFile.GetPkgCache()->PkgBegin(); P.end() == false; ++P)
-	 for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
-	    if (ShowUnMet(V, Important) == false)
-	       return false;
-   }
-   else
-   {
-      CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);
-      APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1,
-				APT::VersionList::CANDIDATE, helper);
-      for (APT::VersionList::iterator V = verset.begin(); V != verset.end(); ++V)
-	 if (ShowUnMet(V, Important) == false)
-	    return false;
-   }
-   return true;
-}
-									/*}}}*/
 // DumpPackage - Show a dump of a package record			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool DumpPackage(CommandLine &CmdL)
+static bool DumpPackage(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    APT::CacheSetHelper helper(true, GlobalError::NOTICE);
@@ -262,24 +123,74 @@ bool DumpPackage(CommandLine &CmdL)
       {
 	 cout << Cur.VerStr() << " - ";
 	 for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; ++Prv)
-	    cout << Prv.ParentPkg().FullName(true) << " ";
+	    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().FullName(true) << " " << Prv.OwnerVer().VerStr() << endl;
+	 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)
 {
+   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;
 
@@ -330,108 +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 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
-   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;
+   // 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)
    {
+      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)
-	       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;
    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 &)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
    if (unlikely(Cache == NULL))
       return false;
 
-   cout << "Using Versioning System: " << Cache->VS->Label << endl;
+   std::cout << "Using Versioning System: " << Cache->VS->Label << std::endl;
    
    for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
    {
-      cout << "Package: " << P.FullName(true) << endl;
+      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;
+	 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)
-	    cout << "  Depends: " << D.TargetPkg().FullName(true) << ' ' << 
-	                     DeNull(D.TargetVer()) << endl;
+	    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)
    {
-      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;
@@ -441,7 +397,7 @@ 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 &)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -505,6 +461,12 @@ 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];
    for (pkgCache::VerFile **J = VFList; *J != 0;)
@@ -516,7 +478,7 @@ bool DumpAvail(CommandLine &Cmd)
 	 break;
       }
 
-      FileFd PkgF(File.FileName(),FileFd::ReadOnly);
+      FileFd PkgF(File.FileName(),FileFd::ReadOnly, FileFd::Extension);
       if (_error->PendingError() == true)
 	 break;
       
@@ -545,174 +507,42 @@ 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();
 }
 									/*}}}*/
-// ShowDepends - Helper for printing out a dependency tree		/*{{{*/
-bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
-{
-   pkgCacheFile CacheFile;
-   pkgCache *Cache = CacheFile.GetPkgCache();
-   if (unlikely(Cache == NULL))
-      return false;
-
-   CacheSetHelperVirtuals helper(false);
-   APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::VersionList::CANDIDATE, helper);
-   if (verset.empty() == true && helper.virtualPkgs.empty() == true)
-      return _error->Error(_("No packages found"));
-   std::vector<bool> Shown(Cache->Head().PackageCount);
-
-   bool const Recurse = _config->FindB("APT::Cache::RecurseDepends", false);
-   bool const Installed = _config->FindB("APT::Cache::Installed", false);
-   bool const Important = _config->FindB("APT::Cache::Important", false);
-   bool const ShowDepType = _config->FindB("APT::Cache::ShowDependencyType", RevDepends == false);
-   bool const ShowVersion = _config->FindB("APT::Cache::ShowVersion", false);
-   bool const ShowPreDepends = _config->FindB("APT::Cache::ShowPre-Depends", true);
-   bool const ShowDepends = _config->FindB("APT::Cache::ShowDepends", true);
-   bool const ShowRecommends = _config->FindB("APT::Cache::ShowRecommends", Important == false);
-   bool const ShowSuggests = _config->FindB("APT::Cache::ShowSuggests", Important == false);
-   bool const ShowReplaces = _config->FindB("APT::Cache::ShowReplaces", Important == false);
-   bool const ShowConflicts = _config->FindB("APT::Cache::ShowConflicts", Important == false);
-   bool const ShowBreaks = _config->FindB("APT::Cache::ShowBreaks", Important == false);
-   bool const ShowEnhances = _config->FindB("APT::Cache::ShowEnhances", Important == false);
-   bool const ShowOnlyFirstOr = _config->FindB("APT::Cache::ShowOnlyFirstOr", false);
-
-   while (verset.empty() != true)
-   {
-      pkgCache::VerIterator Ver = *verset.begin();
-      verset.erase(verset.begin());
-      pkgCache::PkgIterator Pkg = Ver.ParentPkg();
-      Shown[Pkg->ID] = true;
-
-	 cout << Pkg.FullName(true) << endl;
-
-	 if (RevDepends == true)
-	    cout << "Reverse Depends:" << endl;
-	 for (pkgCache::DepIterator D = RevDepends ? Pkg.RevDependsList() : Ver.DependsList();
-	      D.end() == false; ++D)
-	 {
-	    switch (D->Type) {
-	    case pkgCache::Dep::PreDepends: if (!ShowPreDepends) continue; break;
-	    case pkgCache::Dep::Depends: if (!ShowDepends) continue; break;
-	    case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break;
-	    case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break;
-	    case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break;
-	    case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
-	    case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break;
-	    case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break;
-	    }
-
-	    pkgCache::PkgIterator Trg = RevDepends ? D.ParentPkg() : D.TargetPkg();
-
-	    if((Installed && Trg->CurrentVer != 0) || !Installed)
-	      {
-
-		if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or && ShowOnlyFirstOr == false)
-		  cout << " |";
-		else
-		  cout << "  ";
-	    
-		// Show the package
-		if (ShowDepType == true)
-		  cout << D.DepType() << ": ";
-		if (Trg->VersionList == 0)
-		  cout << "<" << Trg.FullName(true) << ">";
-		else
-		  cout << Trg.FullName(true);
-		if (ShowVersion == true && D->Version != 0)
-		   cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')';
-		cout << std::endl;
-
-		if (Recurse == true && Shown[Trg->ID] == false)
-		{
-		  Shown[Trg->ID] = true;
-		  verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::VersionSet::CANDIDATE, helper));
-		}
-
-	      }
-	    
-	    // 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().FullName(true) << endl;
-
-		if (Recurse == true && Shown[V.ParentPkg()->ID] == false)
-		{
-		  Shown[V.ParentPkg()->ID] = true;
-		  verset.insert(APT::VersionSet::FromPackage(CacheFile, V.ParentPkg(), APT::VersionSet::CANDIDATE, helper));
-		}
-	    }
-
-	    if (ShowOnlyFirstOr == true)
-	       while ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) ++D;
-	 }
-   }
-
-   for (APT::PackageSet::const_iterator Pkg = helper.virtualPkgs.begin();
-	Pkg != helper.virtualPkgs.end(); ++Pkg)
-      cout << '<' << Pkg.FullName(true) << '>' << endl;
-
-   return true;
-}
-									/*}}}*/
-// Depends - Print out a dependency tree				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Depends(CommandLine &CmdL)
-{
-   return ShowDepends(CmdL, false);
-}
-									/*}}}*/
-// RDepends - Print out a reverse dependency tree			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool RDepends(CommandLine &CmdL)
-{
-   return ShowDepends(CmdL, 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)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -771,9 +601,9 @@ bool XVcg(CommandLine &CmdL)
 
    // Load the list of packages from the command line into the show list
    APT::CacheSetHelper helper(true, GlobalError::NOTICE);
-   std::list<APT::PackageSet::Modifier> mods;
-   mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
-   mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+   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);
 
@@ -924,7 +754,7 @@ bool XVcg(CommandLine &CmdL)
 /* 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)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -983,9 +813,9 @@ bool Dotty(CommandLine &CmdL)
 
    // Load the list of packages from the command line into the show list
    APT::CacheSetHelper helper(true, GlobalError::NOTICE);
-   std::list<APT::PackageSet::Modifier> mods;
-   mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
-   mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+   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);
 
@@ -1123,262 +953,8 @@ bool Dotty(CommandLine &CmdL)
    return true;
 }
 									/*}}}*/
-// 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(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
-{
-   pkgCache *Cache = CacheFile.GetPkgCache();
-   if (unlikely(Cache == NULL))
-      return false;
-
-   // 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;
-   if (PkgF.Open(I.FileName(), FileFd::ReadOnly, FileFd::Extension) == false)
-      return false;
-
-   // Read the record
-   unsigned char *Buffer = new unsigned char[Cache->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, "\nDescription");
-   if (DescP != NULL)
-      ++DescP;
-   else
-      DescP = Buffer + V.FileList()->Size;
-
-   // 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(*Cache);
-   pkgCache::DescIterator Desc = V.TranslatedDescription();
-   if (Desc.end() == false)
-   {
-      pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
-      cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
-      cout << std::endl << "Description-md5: " << Desc.md5() << std::endl;
-
-      // Find the first field after the description (if there is any)
-      while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL)
-      {
-	 if (DescP[1] == ' ')
-	    DescP += 2;
-	 else if (strncmp((char*)DescP, "\nDescription", strlen("\nDescription")) == 0)
-	    DescP += strlen("\nDescription");
-	 else
-	    break;
-      }
-      if (DescP != NULL)
-	 ++DescP;
-   }
-   // if we have no translation, we found a lonely Description-md5, so don't skip it
-
-   if (DescP != NULL)
-   {
-      // 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;
-      }
-   }
-
-   // write a final newline (after the description)
-   cout<<endl;
-   delete [] Buffer;
-
-   return true;
-}
-									/*}}}*/
-
-struct ExDescFile
-{
-   pkgCache::DescFile *Df;
-   map_ptrloc ID;
-};
-
-// Search - Perform a search						/*{{{*/
-// ---------------------------------------------------------------------
-/* This searches the package names and package descriptions for a pattern */
-bool Search(CommandLine &CmdL)
-{
-   bool const ShowFull = _config->FindB("APT::Cache::ShowFull",false);
-   bool const NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
-   unsigned int const NumPatterns = CmdL.FileSize() -1;
-   
-   pkgCacheFile CacheFile;
-   pkgCache *Cache = CacheFile.GetPkgCache();
-   pkgDepCache::Policy *Plcy = CacheFile.GetPolicy();
-   if (unlikely(Cache == NULL || Plcy == NULL))
-      return false;
-
-   // Make sure there is at least one argument
-   if (NumPatterns < 1)
-      return _error->Error(_("You must give at least one search 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");
-      }      
-   }
-   
-   if (_error->PendingError() == true)
-   {
-      for (unsigned I = 0; I != NumPatterns; I++)
-	 regfree(&Patterns[I]);
-      return false;
-   }
-   
-   size_t const descCount = Cache->HeaderP->GroupCount + 1;
-   ExDescFile *DFList = new ExDescFile[descCount];
-   memset(DFList,0,sizeof(*DFList) * descCount);
-
-   bool PatternMatch[descCount * NumPatterns];
-   memset(PatternMatch,false,sizeof(PatternMatch));
-
-   // Map versions that we want to write out onto the VerList array.
-   for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G)
-   {
-      size_t const PatternOffset = G->ID * NumPatterns;
-      size_t unmatched = 0, matched = 0;
-      for (unsigned I = 0; I < NumPatterns; ++I)
-      {
-	 if (PatternMatch[PatternOffset + I] == true)
-	    ++matched;
-	 else if (regexec(&Patterns[I],G.Name(),0,0,0) == 0)
-	    PatternMatch[PatternOffset + I] = true;
-	 else
-	    ++unmatched;
-      }
-
-      // already dealt with this package?
-      if (matched == NumPatterns)
-	 continue;
-
-      // Doing names only, drop any that don't match..
-      if (NamesOnly == true && unmatched == NumPatterns)
-	 continue;
-
-      // Find the proper version to use
-      pkgCache::PkgIterator P = G.FindPreferredPkg();
-      if (P.end() == true)
-	 continue;
-      pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
-      if (V.end() == false)
-      {
-	 DFList[G->ID].Df = V.TranslatedDescription().FileList();
-	 DFList[G->ID].ID = G->ID;
-      }
-
-      if (unmatched == NumPatterns)
-	 continue;
-
-      // Include all the packages that provide matching names too
-      for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; ++Prv)
-      {
-	 pkgCache::VerIterator V = Plcy->GetCandidateVer(Prv.OwnerPkg());
-	 if (V.end() == true)
-	    continue;
-
-	 unsigned long id = Prv.OwnerPkg().Group()->ID;
-	 DFList[id].Df = V.TranslatedDescription().FileList();
-	 DFList[id].ID = id;
-
-	 size_t const PrvPatternOffset = id * NumPatterns;
-	 for (unsigned I = 0; I < NumPatterns; ++I)
-	    PatternMatch[PrvPatternOffset + I] = PatternMatch[PatternOffset + I];
-      }
-   }
-
-   LocalitySort(&DFList->Df,Cache->HeaderP->GroupCount,sizeof(*DFList));
-
-   // Create the text record parser
-   pkgRecords Recs(*Cache);
-   // 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));
-      size_t const PatternOffset = J->ID * NumPatterns;
-
-      if (NamesOnly == false)
-      {
-	 string const LongDesc = P.LongDesc();
-	 for (unsigned I = 0; I < NumPatterns; ++I)
-	 {
-	    if (PatternMatch[PatternOffset + I] == true)
-	       continue;
-	    else if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
-	       PatternMatch[PatternOffset + I] = true;
-	 }
-      }
-
-      bool matchedAll = true;
-      for (unsigned I = 0; I < NumPatterns; ++I)
-	 if (PatternMatch[PatternOffset + I] == false)
-	 {
-	    matchedAll = false;
-	    break;
-	 }
-
-      if (matchedAll == 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");
-   return true;
-}
-									/*}}}*/
 /* ShowAuto - show automatically installed packages (sorted)		{{{*/
-bool ShowAuto(CommandLine &CmdL)
+static bool ShowAuto(CommandLine &)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -1402,34 +978,10 @@ bool ShowAuto(CommandLine &CmdL)
    return true;
 }
 									/*}}}*/
-// ShowPackage - Dump the package record to the screen			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowPackage(CommandLine &CmdL)
-{
-   pkgCacheFile CacheFile;
-   CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);
-   APT::VersionList::Version const select = _config->FindB("APT::Cache::AllVersions", true) ?
-			APT::VersionList::ALL : APT::VersionList::CANDIDATE;
-   APT::VersionList const verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, select, helper);
-   for (APT::VersionList::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver)
-      if (DisplayRecord(CacheFile, Ver) == false)
-	 return false;
-
-   if (verset.empty() == true)
-   {
-      if (helper.virtualPkgs.empty() == true)
-        return _error->Error(_("No packages found"));
-      else
-        _error->Notice(_("No packages found"));
-   }
-   return true;
-}
-									/*}}}*/
 // ShowPkgNames - Show package names					/*{{{*/
 // ---------------------------------------------------------------------
 /* This does a prefix match on the first argument */
-bool ShowPkgNames(CommandLine &CmdL)
+static bool ShowPkgNames(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    if (unlikely(CacheFile.BuildCaches(NULL, false) == false))
@@ -1462,179 +1014,13 @@ bool ShowPkgNames(CommandLine &CmdL)
       cout << I.Name() << endl;
    }
    
-   return true;
-}
-									/*}}}*/
-// ShowSrcPackage - Show source package records				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowSrcPackage(CommandLine &CmdL)
-{
-   pkgCacheFile CacheFile;
-   pkgSourceList *List = CacheFile.GetSourceList();
-   if (unlikely(List == NULL))
-      return false;
-
-   // Create the text record parsers
-   pkgSrcRecords SrcRecs(*List);
-   if (_error->PendingError() == true)
-      return false;
-
-   unsigned found = 0;
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      SrcRecs.Restart();
-      
-      pkgSrcRecords::Parser *Parse;
-      unsigned found_this = 0;
-      while ((Parse = SrcRecs.Find(*I,false)) != 0) {
-        cout << Parse->AsStr() << endl;;
-        found++;
-        found_this++;
-      }
-      if (found_this == 0) {
-        _error->Warning(_("Unable to locate package %s"),*I);
-        continue;
-      }
-   }
-   if (found == 0)
-      _error->Notice(_("No packages found"));
-   return true;
-}
-									/*}}}*/
-// Policy - Show the results of the preferences file			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Policy(CommandLine &CmdL)
-{
-   pkgCacheFile CacheFile;
-   pkgCache *Cache = CacheFile.GetPkgCache();
-   pkgPolicy *Plcy = CacheFile.GetPolicy();
-   pkgSourceList *SrcList = CacheFile.GetSourceList();
-   if (unlikely(Cache == NULL || Plcy == NULL || SrcList == NULL))
-      return false;
-
-   /* Should the MultiArchKiller be run to see which pseudo packages for an
-      arch all package are currently installed? Activating it gives a speed
-      penality for no real gain beside enhanced debugging, so in general no. */
-   if (_config->FindB("APT::Cache::Policy::DepCache", false) == true)
-      CacheFile.GetDepCache();
-
-   // 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.FullName(true) << " -> ";
-	 
-	 pkgCache::VerIterator V = Plcy->GetMatch(I);
-	 if (V.end() == true)
-	    cout << _("(not found)") << endl;
-	 else
-	    cout << V.VerStr() << endl;
-      }     
-      
-      return true;
-   }
-
-   char const * const msgInstalled = _("  Installed: ");
-   char const * const msgCandidate = _("  Candidate: ");
-   short const InstalledLessCandidate =
-		mbstowcs(NULL, msgInstalled, 0) - mbstowcs(NULL, msgCandidate, 0);
-   short const deepInstalled =
-		(InstalledLessCandidate < 0 ? (InstalledLessCandidate*-1) : 0) - 1;
-   short const deepCandidate =
-		(InstalledLessCandidate > 0 ? (InstalledLessCandidate) : 0) - 1;
-
-   // Print out detailed information for each package
-   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
-   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
-   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
-   {
-      cout << Pkg.FullName(true) << ":" << endl;
-
-      // Installed version
-      cout << msgInstalled << OutputInDepth(deepInstalled, " ");
-      if (Pkg->CurrentVer == 0)
-	 cout << _("(none)") << endl;
-      else
-	 cout << Pkg.CurrentVer().VerStr() << endl;
-      
-      // Candidate Version 
-      cout << msgCandidate << OutputInDepth(deepCandidate, " ");
-      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)
+static bool Madison(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    pkgSourceList *SrcList = CacheFile.GetSourceList();
@@ -1707,7 +1093,7 @@ bool Madison(CommandLine &CmdL)
 // GenCaches - Call the main cache generator				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool GenCaches(CommandLine &Cmd)
+static bool GenCaches(CommandLine &)
 {
    OpTextProgress Progress(*_config);
 
@@ -1715,142 +1101,58 @@ bool GenCaches(CommandLine &Cmd)
    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,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] showpkg pkg1 [pkg2 ...]\n"
-      "       apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
-      "\n"
-      "apt-cache is a low-level tool used to query information\n"
-      "from APT's binary cache files\n"
+      "       apt-cache [options] show pkg1 [pkg2 ...]\n"
       "\n"
-      "Commands:\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"
-      "\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;
 }
 									/*}}}*/
+static std::vector<aptDispatchWithHelp> GetCommands()			/*{{{*/
+{
+   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[])					/*{{{*/
 {
-   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},
-      {'t',"target-release","APT::Default-Release",CommandLine::HasArg},
-      {'t',"default-release","APT::Default-Release",CommandLine::HasArg},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,"installed","APT::Cache::Installed",0},
-      {0,"pre-depends","APT::Cache::ShowPre-Depends",0},
-      {0,"depends","APT::Cache::ShowDepends",0},
-      {0,"recommends","APT::Cache::ShowRecommends",0},
-      {0,"suggests","APT::Cache::ShowSuggests",0},
-      {0,"replaces","APT::Cache::ShowReplaces",0},
-      {0,"breaks","APT::Cache::ShowBreaks",0},
-      {0,"conflicts","APT::Cache::ShowConflicts",0},
-      {0,"enhances","APT::Cache::ShowEnhances",0},
-      {0,0,0,0}};
-   CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
-                                    {"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},
-                                    {"showauto",&ShowAuto},
-                                    {"policy",&Policy},
-                                    {"madison",&Madison},
-                                    {0,0}};
-
-   // 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", -1) == -1)
-      _config->Set("quiet","1");
+   InitOutput();
 
    if (_config->Exists("APT::Cache::Generate") == true)
       _config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true));
 
-   if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
-      CmdL.DispatchArg(CmdsB);
-
-   // Print any errors or warnings found during parsing
-   bool const Errors = _error->PendingError();
-   if (_config->FindI("quiet",0) > 0)
-      _error->DumpErrors();
-   else
-      _error->DumpErrors(GlobalError::DEBUG);
-   return Errors == true ? 100 : 0;
+   return DispatchCommandLine(CmdL, Cmds);
 }
 									/*}}}*/