support optional PulseInterval in ListUpdate

[apt.git] / cmdline / apt-cache.cc

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 6f262ae92320371af8d5b6f8e03a7ec581d6a063..c0655da40b5171c8a5a9a3e93c3b2dd9a6614d87 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -1,14 +1,12 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: apt-cache.cc,v 1.18 1998/12/10 05:39:53 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.
    
    
    Returns 100 on failure, 0 on success.
    


@@ -17,22 +15,75 @@
 // Include Files                                                       /*{{{*/
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgcachegen.h>
 // Include Files                                                       /*{{{*/
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgcachegen.h>

-#include <apt-pkg/deblistparser.h>

 #include <apt-pkg/init.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/cmndline.h>
 #include <apt-pkg/init.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/cmndline.h>

-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/version.h>
+#include <apt-pkg/policy.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/sptr.h>

 
 

-#include <iostream.h>

 #include <config.h>
 #include <config.h>

+#include <apti18n.h>
+
+#include <locale.h>
+#include <iostream>
+#include <unistd.h>
+#include <errno.h>
+#include <regex.h>
+#include <stdio.h>
+
+#include <iomanip>

                                                                        /*}}}*/
 
                                                                        /*}}}*/
 

+using namespace std;
+
+pkgCache *GCache = 0;
+pkgSourceList *SrcList = 0;
+
+// LocalitySort - Sort a version list by package file locality         /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+int LocalityCompare(const void *a, const void *b)
+{
+   pkgCache::VerFile *A = *(pkgCache::VerFile **)a;
+   pkgCache::VerFile *B = *(pkgCache::VerFile **)b;
+   
+   if (A == 0 && B == 0)
+      return 0;
+   if (A == 0)
+      return 1;
+   if (B == 0)
+      return -1;
+   
+   if (A->File == B->File)
+      return A->Offset - B->Offset;
+   return A->File - B->File;
+}
+
+void LocalitySort(pkgCache::VerFile **begin,
+                 unsigned long Count,size_t Size)
+{   
+   qsort(begin,Count,Size,LocalityCompare);
+}
+
+void LocalitySort(pkgCache::DescFile **begin,
+                 unsigned long Count,size_t Size)
+{   
+   qsort(begin,Count,Size,LocalityCompare);
+}
+                                                                       /*}}}*/

 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool UnMet(pkgCache &Cache)
+bool UnMet(CommandLine &CmdL)

 {
 {

+   pkgCache &Cache = *GCache;

    bool Important = _config->FindB("APT::Cache::Important",false);
    
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    bool Important = _config->FindB("APT::Cache::Important",false);
    
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)


@@ -47,20 +98,19 @@ bool UnMet(pkgCache &Cache)
            pkgCache::DepIterator End;
            D.GlobOr(Start,End);
            
            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 &&
            // 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)
+               End->Type != pkgCache::Dep::Recommends &&
+               End->Type != pkgCache::Dep::DpkgBreaks)

               continue;
 
            // Important deps only
            if (Important == true)
               if (End->Type != pkgCache::Dep::PreDepends &&
               continue;
 
            // Important deps only
            if (Important == true)
               if (End->Type != pkgCache::Dep::PreDepends &&

-                  End->Type != pkgCache::Dep::Depends)
+                  End->Type != pkgCache::Dep::Depends &&
+                  End->Type != pkgCache::Dep::DpkgBreaks)

                  continue;
            
            // Verify the or group
                  continue;
            
            // Verify the or group


@@ -90,8 +140,8 @@ bool UnMet(pkgCache &Cache)
            
            // Oops, it failed..
            if (Header == false)
            
            // Oops, it failed..
            if (Header == false)

-                 cout << "Package " << P.Name() << " version " << 
-              V.VerStr() << " has an unmet dep:" << endl;
+              ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),
+                       P.Name(),V.VerStr());

            Header = true;
            
            // Print out the dep type
            Header = true;
            
            // Print out the dep type


@@ -122,39 +172,53 @@ bool UnMet(pkgCache &Cache)
 // DumpPackage - Show a dump of a package record                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // DumpPackage - Show a dump of a package record                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool DumpPackage(pkgCache &Cache,CommandLine &CmdL)
+bool DumpPackage(CommandLine &CmdL)

 {   
 {   

+   pkgCache &Cache = *GCache;

    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
       pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
       if (Pkg.end() == true)
       {
    for (const char **I = CmdL.FileList + 1; *I != 0; I++)
    {
       pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
       if (Pkg.end() == true)
       {

-        _error->Warning("Unable to locate package %s",*I);
+        _error->Warning(_("Unable to locate package %s"),*I);

         continue;
       }
 
       cout << "Package: " << Pkg.Name() << endl;
         continue;
       }
 
       cout << "Package: " << Pkg.Name() << endl;

-      cout << "Versions: ";
+      cout << "Versions: " << endl;

       for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
       {
         cout << Cur.VerStr();
         for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)
       for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
       {
         cout << Cur.VerStr();
         for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)

-           cout << "(" << Vf.File().FileName() << ")";
-        cout << ',';
+           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;
       for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++)
       }
       
       cout << endl;
       
       cout << "Reverse Depends: " << endl;
       for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++)

-        cout << "  " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name() << endl;
-
+      {
+        cout << "  " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name();
+        if (D->Version != 0)
+           cout << ' ' << DeNull(D.TargetVer()) << endl;
+        else
+           cout << endl;
+      }
+      

       cout << "Dependencies: " << endl;
       for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
       {
         cout << Cur.VerStr() << " - ";
         for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++)
       cout << "Dependencies: " << endl;
       for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
       {
         cout << Cur.VerStr() << " - ";
         for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++)

-           cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << Dep.TargetVer() << ") ";
+           cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << DeNull(Dep.TargetVer()) << ") ";

         cout << endl;
       }      
 
         cout << endl;
       }      
 


@@ -168,9 +232,7 @@ bool DumpPackage(pkgCache &Cache,CommandLine &CmdL)
       }
       cout << "Reverse Provides: " << endl;
       for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++)
       }
       cout << "Reverse Provides: " << endl;
       for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++)

-        cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr();
-      cout << endl;
-            
+        cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr() << endl;            

    }
 
    return true;
    }
 
    return true;


@@ -179,17 +241,18 @@ bool DumpPackage(pkgCache &Cache,CommandLine &CmdL)
 // Stats - Dump some nice statistics                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // Stats - Dump some nice statistics                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool Stats(pkgCache &Cache)
+bool Stats(CommandLine &Cmd)

 {
 {

-   cout << "Total Package Names : " << Cache.Head().PackageCount << " (" <<
+   pkgCache &Cache = *GCache;
+   cout << _("Total package names : ") << Cache.Head().PackageCount << " (" <<

       SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
       SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;

-   pkgCache::PkgIterator I = Cache.PkgBegin();
-   
+

    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;

+   pkgCache::PkgIterator I = Cache.PkgBegin();

    for (;I.end() != true; I++)
    {
       if (I->VersionList != 0 && I->ProvidesList == 0)
    for (;I.end() != true; I++)
    {
       if (I->VersionList != 0 && I->ProvidesList == 0)


@@ -221,19 +284,25 @@ bool Stats(pkgCache &Cache)
         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 << _("  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 << " (" <<
+   cout << _("Total distinct versions: ") << Cache.Head().VersionCount << " (" <<

       SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;
       SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;

-   cout << "Total Dependencies: " << Cache.Head().DependsCount << " (" << 
+   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;
    
       SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
    

-   cout << "Total Ver/File relations: " << Cache.Head().PackageCount << " (" <<
-      SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << 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;
    
    // String list stats
    unsigned long Size = 0;


@@ -242,50 +311,48 @@ bool Stats(pkgCache &Cache)
         I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem)
    {
       Count++;
         I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem)
    {
       Count++;

-      Size += strlen(Cache.StrP + I->String);
+      Size += strlen(Cache.StrP + I->String) + 1;

    }
    }

-   cout << "Total Globbed Strings: " << Count << " (" << SizeToStr(Size) << ')' << endl;
-      
+   cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;
+
+   unsigned long DepVerSize = 0;
+   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   {
+      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
+      {
+        for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
+        {
+           if (D->Version != 0)
+              DepVerSize += strlen(D.TargetVer()) + 1;
+        }
+      }
+   }
+   cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl;
+   

    unsigned long Slack = 0;
    for (int I = 0; I != 7; I++)
       Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;
    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;
+   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 +
    
    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;
-   cout << "Total Space Accounted for: " << SizeToStr(Total) << endl;
+           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(pkgCache &Cache)
-{
-   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;
-      }
-   }

    return true;
 }
                                                                        /*}}}*/
 // Dump - show everything                                              /*{{{*/
 // ---------------------------------------------------------------------
    return true;
 }
                                                                        /*}}}*/
 // Dump - show everything                                              /*{{{*/
 // ---------------------------------------------------------------------

-/* */
-bool Dump(pkgCache &Cache)
+/* This is worthless except fer debugging things */
+bool Dump(CommandLine &Cmd)

 {
 {

+   pkgCache &Cache = *GCache;
+   cout << "Using Versioning System: " << Cache.VS->Label << endl;
+   

    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {
       cout << "Package: " << P.Name() << endl;
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {
       cout << "Package: " << P.Name() << endl;


@@ -294,17 +361,32 @@ bool Dump(pkgCache &Cache)
         cout << " Version: " << V.VerStr() << endl;
         cout << "     File: " << V.FileList().File().FileName() << endl;
         for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
         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;
+           cout << "  Depends: " << D.TargetPkg().Name() << ' ' << 
+                            DeNull(D.TargetVer()) << 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;
+        } 

       }      
    }
 
       }      
    }
 

-   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 << "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 << " Size: " << F->Size << endl;
       cout << " ID: " << F->ID << endl;
       cout << " Flags: " << F->Flags << endl;

-      cout << " Time: " << ctime(&F->mtime) << 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;

    }
 
    return true;
    }
 
    return true;


@@ -312,262 +394,1473 @@ bool Dump(pkgCache &Cache)
                                                                        /*}}}*/
 // DumpAvail - Print out the available list                            /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // DumpAvail - Print out the available list                            /*{{{*/
 // ---------------------------------------------------------------------

-/* This is needed to make dpkg --merge happy */
-bool DumpAvail(pkgCache &Cache)
+/* 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)

 {
 {

-   unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize];
+   pkgCache &Cache = *GCache;

 
 

-   for (pkgCache::PkgFileIterator I = Cache.FileBegin(); I.end() == false; I++)
-   {
-      if ((I->Flags & pkgCache::Flag::NotSource) != 0)
+   pkgPolicy Plcy(&Cache);
+   if (ReadPinFile(Plcy) == false)
+      return false;
+   
+   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 = Plcy.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)
+      {
+        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));
+
+   // 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)

       {
       {

-        delete [] Buffer;
-        return false;
+        _error->Error(_("Package file %s is out of sync."),File.FileName());
+        break;

       }
 
       }
 

-      /* 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++)
+      FileFd PkgF(File.FileName(),FileFd::ReadOnly);
+      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++)

       {
       {

-        for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
+        if ((*J)->File + Cache.PkgFileP != File)
+           break;
+        
+        const pkgCache::VerFile &VF = **J;
+
+        // Read the record and then write it out again.
+        unsigned long Jitter = VF.Offset - Pos;
+        if (Jitter > 8)

         {
         {

-           if (V->FileList == 0)
-              continue;
-           if (V.FileList().File() != I)
-              continue;
-           
-           // 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)
+           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;
+           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)

            {
            {

-              delete [] Buffer;
-              return 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)
+              break;
+        }
+        
+        Pos = VF.Offset + VF.Size;

       }
       }

+
+      fflush(stdout);
+      if (_error->PendingError() == true)
+         break;

    }
    
    }
    

-   return true;
+   delete [] Buffer;
+   delete [] VFList;
+   return !_error->PendingError();

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// DoAdd - Perform an adding operation                                 /*{{{*/
+// Depends - Print out a dependency tree                               /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-bool DoAdd(CommandLine &CmdL)
+bool Depends(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");
+   pkgCache &Cache = *GCache;
+   SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
+   memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);

    
    

-   // Open the cache
-   FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny);
-   if (_error->PendingError() == true)
-      return false;
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      Colours[Pkg->ID] = 1;
+   }

    
    

-   DynamicMMap Map(CacheF,MMap::Public);
-   if (_error->PendingError() == true)
-      return false;
+   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
+   bool Installed = _config->FindB("APT::Cache::Installed",false);
+   bool DidSomething;
+   do
+   {
+      DidSomething = false;
+      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      {
+        if (Colours[Pkg->ID] != 1)
+           continue;
+        Colours[Pkg->ID] = 2;
+        DidSomething = true;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        if (Ver.end() == true)
+        {
+           cout << '<' << Pkg.Name() << '>' << endl;
+           continue;
+        }
+        
+        cout << Pkg.Name() << endl;
+        
+        for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+        {

 
 

-   OpTextProgress Progress(*_config);
-   pkgCacheGenerator Gen(Map,Progress);
-   if (_error->PendingError() == true)
-      return false;
+           pkgCache::PkgIterator Trg = D.TargetPkg();

 
 

-   unsigned long Length = CmdL.FileSize() - 1;
-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
-   {
-      Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache");
-      Progress.SubProgress(Length);
+           if((Installed && Trg->CurrentVer != 0) || !Installed)
+             {

 
 

-      // Do the merge
-      FileFd TagF(*I,FileFd::ReadOnly);
-      debListParser Parser(TagF);
-      if (_error->PendingError() == true)
-        return _error->Error("Problem opening %s",*I);
-      
-      if (Gen.SelectFile(*I) == false)
-        return _error->Error("Problem with SelectFile");
-        
-      if (Gen.MergeList(Parser) == false)
-        return _error->Error("Problem with MergeList");
-   }
+               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+                 cout << " |";
+               else
+                 cout << "  ";
+           
+               // Show the package
+               if (Trg->VersionList == 0)
+                 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
+               else
+                 cout << D.DepType() << ": " << Trg.Name() << endl;
+           
+               if (Recurse == true)
+                 Colours[D.TargetPkg()->ID]++;

 
 

-   Progress.Done();
-   Stats(Gen.GetCache());
+             }
+           
+           // Display all solutions
+           SPtrArray<pkgCache::Version *> List = D.AllTargets();
+           pkgPrioSortList(Cache,List);
+           for (pkgCache::Version **I = List; *I != 0; I++)
+           {
+              pkgCache::VerIterator V(Cache,*I);
+              if (V != Cache.VerP + V.ParentPkg()->VersionList ||
+                  V->ParentPkg == D->Package)
+                 continue;
+              cout << "    " << V.ParentPkg().Name() << endl;
+              
+              if (Recurse == true)
+                 Colours[D.ParentPkg()->ID]++;
+           }
+        }
+      }      
+   }   
+   while (DidSomething == true);

    
    return true;
 }
    
    return true;
 }

-                                                                       /*}}}*/
-// GenCaches - Call the main cache generator                           /*{{{*/
+
+// RDepends - Print out a reverse dependency tree - mbc                        /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-bool GenCaches()
+bool RDepends(CommandLine &CmdL)

 {
 {

-   OpTextProgress Progress(*_config);
+   pkgCache &Cache = *GCache;
+   SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
+   memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);

    
    

-   pkgSourceList List;
-   List.ReadMainList();
-   return pkgMakeStatusCache(List,Progress);
-}
-                                                                       /*}}}*/
-// ShowHelp - Show a help screen                                       /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-int ShowHelp()
-{
-   cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
-       " compiled on " << __DATE__ << "  " << __TIME__ << endl;
-   
-   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 << 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, ie -o dir::cache=/tmp" << endl;
-   cout << "See the apt-cache(8) and apt.conf(8) manual pages for more information." << endl;
-   return 100;
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      Colours[Pkg->ID] = 1;
+   }
+   
+   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
+   bool Installed = _config->FindB("APT::Cache::Installed",false);
+   bool DidSomething;
+   do
+   {
+      DidSomething = false;
+      for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+      {
+        if (Colours[Pkg->ID] != 1)
+           continue;
+        Colours[Pkg->ID] = 2;
+        DidSomething = true;
+        
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        if (Ver.end() == true)
+        {
+           cout << '<' << Pkg.Name() << '>' << endl;
+           continue;
+        }
+        
+        cout << Pkg.Name() << endl;
+        
+        cout << "Reverse Depends:" << endl;
+        for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++)
+        {          
+           // Show the package
+           pkgCache::PkgIterator Trg = D.ParentPkg();
+
+           if((Installed && Trg->CurrentVer != 0) || !Installed)
+             {
+
+               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+                 cout << " |";
+               else
+                 cout << "  ";
+
+               if (Trg->VersionList == 0)
+                 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
+               else
+                 cout << Trg.Name() << endl;
+
+               if (Recurse == true)
+                 Colours[D.ParentPkg()->ID]++;
+
+             }
+           
+           // Display all solutions
+           SPtrArray<pkgCache::Version *> List = D.AllTargets();
+           pkgPrioSortList(Cache,List);
+           for (pkgCache::Version **I = List; *I != 0; I++)
+           {
+              pkgCache::VerIterator V(Cache,*I);
+              if (V != Cache.VerP + V.ParentPkg()->VersionList ||
+                  V->ParentPkg == D->Package)
+                 continue;
+              cout << "    " << V.ParentPkg().Name() << endl;
+              
+              if (Recurse == true)
+                 Colours[D.ParentPkg()->ID]++;
+           }
+        }
+      }      
+   }   
+   while (DidSomething == true);
+   
+   return true;

 }
 }

+

                                                                        /*}}}*/
                                                                        /*}}}*/

-// CacheInitialize - Initialize things for apt-cache                   /*{{{*/
+
+
+// xvcg - Generate a graph for xvcg                                    /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* */
-void CacheInitialize()
-{
-   _config->Set("quiet",0);
-   _config->Set("help",false);
-}
-                                                                       /*}}}*/
+// Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.

 
 

-int main(int argc,const char *argv[])
+bool XVcg(CommandLine &CmdL)

 {
 {

-   CommandLine::Args Args[] = {
-      {'h',"help","help",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},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,0,0,0}};
-
-   CacheInitialize();
+   pkgCache &Cache = *GCache;
+   bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);

    
    

-   // 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;
+   /* 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;
+      }

    }
    }

-
-   // See if the help should be shown
-   if (_config->FindB("help") == true ||
-       CmdL.FileSize() == 0)
-      return ShowHelp();

    
    

-   while (1)
+   // Load the list of packages from the command line into the show list
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)

    {
    {

-      if (strcmp(CmdL.FileList[0],"add") == 0)
+      // Process per-package flags
+      string P = *I;
+      bool Force = false;
+      if (P.length() > 3)

       {
       {

-        ShowHelp();
-        break;
+        if (P.end()[-1] == '^')
+        {
+           Force = true;
+           P.erase(P.end()-1);
+        }
+        
+        if (P.end()[-1] == ',')
+           P.erase(P.end()-1);

       }
       
       }
       

-      if (strcmp(CmdL.FileList[0],"add") == 0)
+      // Locate the package
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
+      if (Pkg.end() == true)

       {
       {

-        DoAdd(CmdL);
-        break;
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;

       }
       }

-
-      if (strcmp(CmdL.FileList[0],"gencaches") == 0)
+      Show[Pkg->ID] = ToShow;
+      
+      if (Force == true)
+        Flags[Pkg->ID] |= ForceNR;
+   }
+   
+   // 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++)

       {
       {

-        GenCaches();
-        break;
+        // 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());
+        
+        // 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 ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.Name(), D.TargetPkg().Name() );
+              
+              // Colour the node for recursion
+              if (Show[D.TargetPkg()->ID] <= DoneNR)
+              {
+                 /* If a conflicts does not meet anything in the database
+                    then show the relation but do not recurse */
+                 if (Hit == false && 
+                     (D->Type == pkgCache::Dep::Conflicts ||
+                      D->Type == pkgCache::Dep::DpkgBreaks ||
+                      D->Type == pkgCache::Dep::Obsoletes))
+                 {
+                    if (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;

 
 

-      // Open the cache file
-      FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly);
-      if (_error->PendingError() == true)
-        break;
+      if (Show[Pkg->ID] == DoneNR)
+        printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.Name(), Pkg.Name(),
+               Shapes[ShapeMap[Pkg->ID]]);
+      else
+       printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.Name(), Pkg.Name(), 
+               Shapes[ShapeMap[Pkg->ID]]);

       
       

-      MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
-      if (_error->PendingError() == true)
-        break;
+   }
+   
+   printf("}\n");
+   return true;
+}
+                                                                       /*}}}*/
+
+
+// Dotty - Generate a graph for Dotty                                  /*{{{*/
+// ---------------------------------------------------------------------
+/* Dotty is the graphvis program for generating graphs. It is a fairly
+   simple queuing algorithm that just writes dependencies and nodes. 
+   http://www.research.att.com/sw/tools/graphviz/ */
+bool Dotty(CommandLine &CmdL)
+{
+   pkgCache &Cache = *GCache;
+   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);
+   
+   // 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
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      // Process per-package flags
+      string P = *I;
+      bool Force = false;
+      if (P.length() > 3)
+      {
+        if (P.end()[-1] == '^')
+        {
+           Force = true;
+           P.erase(P.end()-1);
+        }
+        
+        if (P.end()[-1] == ',')
+           P.erase(P.end()-1);
+      }
+      
+      // Locate the package
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      Show[Pkg->ID] = ToShow;
+      
+      if (Force == true)
+        Flags[Pkg->ID] |= ForceNR;
+   }
+   
+   // Little header
+   printf("digraph packages {\n");
+   printf("concentrate=true;\n");
+   printf("size=\"30,40\";\n");
+   
+   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.Name(),D.TargetPkg().Name());
+              
+              // Colour the node for recursion
+              if (Show[D.TargetPkg()->ID] <= DoneNR)
+              {
+                 /* If a conflicts does not meet anything in the database
+                    then show the relation but do not recurse */
+                 if (Hit == false && 
+                     (D->Type == pkgCache::Dep::Conflicts ||
+                      D->Type == pkgCache::Dep::Obsoletes))
+                 {
+                    if (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:
+                 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;

       
       

-      pkgCache Cache(Map);   
+      // Orange box for early recursion stoppage
+      if (Show[Pkg->ID] == DoneNR)
+        printf("\"%s\" [color=orange,shape=%s];\n",Pkg.Name(),
+               Shapes[ShapeMap[Pkg->ID]]);
+      else
+        printf("\"%s\" [shape=%s];\n",Pkg.Name(),
+               Shapes[ShapeMap[Pkg->ID]]);
+   }
+   
+   printf("}\n");
+   return true;
+}
+                                                                       /*}}}*/
+// DoAdd - Perform an adding operation                                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoAdd(CommandLine &CmdL)
+{
+   return _error->Error("Unimplemented");
+#if 0   
+   // Make sure there is at least one argument
+   if (CmdL.FileSize() <= 1)
+      return _error->Error("You must give at least one file name");
+   
+   // Open the cache
+   FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny);
+   if (_error->PendingError() == true)
+      return false;
+   
+   DynamicMMap Map(CacheF,MMap::Public);
+   if (_error->PendingError() == true)
+      return false;
+
+   OpTextProgress Progress(*_config);
+   pkgCacheGenerator Gen(Map,Progress);
+   if (_error->PendingError() == true)
+      return false;
+
+   unsigned long Length = CmdL.FileSize() - 1;
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache");
+      Progress.SubProgress(Length);
+
+      // Do the merge
+      FileFd TagF(*I,FileFd::ReadOnly);
+      debListParser Parser(TagF);

       if (_error->PendingError() == true)
       if (_error->PendingError() == true)

+        return _error->Error("Problem opening %s",*I);
+      
+      if (Gen.SelectFile(*I,"") == false)
+        return _error->Error("Problem with SelectFile");
+        
+      if (Gen.MergeList(Parser) == false)
+        return _error->Error("Problem with MergeList");
+   }
+
+   Progress.Done();
+   GCache = &Gen.GetCache();
+   Stats(CmdL);
+   
+   return true;
+#endif   
+}
+                                                                       /*}}}*/
+// DisplayRecord - Displays the complete record for the package                /*{{{*/
+// ---------------------------------------------------------------------
+/* This displays the package record from the proper package index file. 
+   It is not used by DumpAvail for performance reasons. */
+bool DisplayRecord(pkgCache::VerIterator V)
+{
+   // Find an appropriate file
+   pkgCache::VerFileIterator Vf = V.FileList();
+   for (; Vf.end() == false; Vf++)
+      if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)

         break;
         break;

-    
-      if (strcmp(CmdL.FileList[0],"showpkg") == 0)
+   if (Vf.end() == true)
+      Vf = V.FileList();
+      
+   // Check and load the package list file
+   pkgCache::PkgFileIterator I = Vf.File();
+   if (I.IsOk() == false)
+      return _error->Error(_("Package file %s is out of sync."),I.FileName());
+   
+   FileFd PkgF(I.FileName(),FileFd::ReadOnly);
+   if (_error->PendingError() == true)
+      return false;
+   
+   // Read the record
+   unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1];
+   Buffer[V.FileList()->Size] = '\n';
+   if (PkgF.Seek(V.FileList()->Offset) == false ||
+       PkgF.Read(Buffer,V.FileList()->Size) == false)
+   {
+      delete [] Buffer;
+      return false;
+   }
+
+   // Get a pointer to start of Description field
+   const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:");
+
+   // Write all but Description
+   if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer))
+   {
+      delete [] Buffer;
+      return false;
+   }
+
+   // Show the right description
+   pkgRecords Recs(*GCache);
+   pkgCache::DescIterator Desc = V.TranslatedDescription();
+   pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
+   cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
+
+   // Find the first field after the description (if there is any)
+   for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++) 
+   {
+      if(*DescP == '\n' && *(DescP+1) != ' ') 

       {
       {

-        DumpPackage(Cache,CmdL);
+        // write the rest of the buffer
+        const unsigned char *end=&Buffer[V.FileList()->Size];
+        if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP)) 
+        {
+           delete [] Buffer;
+           return false;
+        }
+

         break;
       }
         break;
       }

+   }
+   // write a final newline (after the description)
+   cout<<endl;
+   delete [] Buffer;
+
+   return true;
+}
+                                                                       /*}}}*/
+// Search - Perform a search                                           /*{{{*/
+// ---------------------------------------------------------------------
+/* This searches the package names and pacakge descriptions for a pattern */
+struct ExDescFile
+{
+   pkgCache::DescFile *Df;
+   bool NameMatch;
+};
+
+bool Search(CommandLine &CmdL)
+{
+   pkgCache &Cache = *GCache;
+   bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
+   bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
+   unsigned NumPatterns = CmdL.FileSize() -1;
+   
+   pkgDepCache::Policy Plcy;
+   
+   // Make sure there is at least one argument
+   if (NumPatterns < 1)
+      return _error->Error(_("You must give exactly one pattern"));
+   
+   // Compile the regex pattern
+   regex_t *Patterns = new regex_t[NumPatterns];
+   memset(Patterns,0,sizeof(*Patterns)*NumPatterns);
+   for (unsigned I = 0; I != NumPatterns; I++)
+   {
+      if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE | 
+                 REG_NOSUB) != 0)
+      {
+        for (; I != 0; I--)
+           regfree(&Patterns[I]);
+        return _error->Error("Regex compilation error");
+      }      
+   }
+   
+   // Create the text record parser
+   pkgRecords Recs(Cache);
+   if (_error->PendingError() == true)
+   {
+      for (unsigned I = 0; I != NumPatterns; I++)
+        regfree(&Patterns[I]);
+      return false;
+   }
+   
+   ExDescFile *DFList = new ExDescFile[Cache.HeaderP->PackageCount+1];
+   memset(DFList,0,sizeof(*DFList)*Cache.HeaderP->PackageCount+1);

 
 

-      if (strcmp(CmdL.FileList[0],"stats") == 0)
+   // Map versions that we want to write out onto the VerList array.
+   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   {
+      DFList[P->ID].NameMatch = NumPatterns != 0;
+      for (unsigned I = 0; I != NumPatterns; I++)

       {
       {

-        Stats(Cache);
-        break;
+        if (regexec(&Patterns[I],P.Name(),0,0,0) == 0)
+           DFList[P->ID].NameMatch &= true;
+        else
+           DFList[P->ID].NameMatch = false;

       }
       }

+        
+      // Doing names only, drop any that dont match..
+      if (NamesOnly == true && DFList[P->ID].NameMatch == false)
+        continue;
+        
+      // Find the proper version to use. 
+      pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
+      if (V.end() == false)
+        DFList[P->ID].Df = V.DescriptionList().FileList();
+   }

       
       

-      if (strcmp(CmdL.FileList[0],"dump") == 0)
+   // Include all the packages that provide matching names too
+   for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+   {
+      if (DFList[P->ID].NameMatch == false)
+        continue;
+
+      for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++)

       {
       {

-        Dump(Cache);
-        break;
+        pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg());
+        if (V.end() == false)
+        {
+           DFList[Prv.OwnerPkg()->ID].Df = V.DescriptionList().FileList();
+           DFList[Prv.OwnerPkg()->ID].NameMatch = true;
+        }
+      }
+   }
+   
+   LocalitySort(&DFList->Df,Cache.HeaderP->PackageCount,sizeof(*DFList));
+
+   // 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));
+
+      bool Match = true;
+      if (J->NameMatch == false)
+      {
+        string LongDesc = P.LongDesc();
+        Match = NumPatterns != 0;
+        for (unsigned I = 0; I != NumPatterns; I++)
+        {
+           if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
+              Match &= true;
+           else
+              Match = false;
+        }

       }
       
       }
       

-      if (strcmp(CmdL.FileList[0],"dumpavail") == 0)
+      if (Match == true)

       {
       {

-        DumpAvail(Cache);
-        break;
+        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;
+}
+                                                                       /*}}}*/
+// ShowPackage - Dump the package record to the screen                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowPackage(CommandLine &CmdL)
+{   
+   pkgCache &Cache = *GCache;
+   pkgDepCache::Policy Plcy;
+
+   unsigned found = 0;
+   
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+      if (Pkg.end() == true)
+      {
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+
+      ++found;
+
+      // Find the proper version to use.
+      if (_config->FindB("APT::Cache::AllVersions","true") == true)
+      {
+        pkgCache::VerIterator V;
+        for (V = Pkg.VersionList(); V.end() == false; V++)
+        {
+           if (DisplayRecord(V) == false)
+              return false;
+        }
+      }
+      else
+      {
+        pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
+        if (V.end() == true || V.FileList().end() == true)
+           continue;
+        if (DisplayRecord(V) == false)
+           return false;
+      }      
+   }
+
+   if (found > 0)
+        return true;
+   return _error->Error(_("No packages found"));
+}
+                                                                       /*}}}*/
+// ShowPkgNames - Show package names                                   /*{{{*/
+// ---------------------------------------------------------------------
+/* This does a prefix match on the first argument */
+bool ShowPkgNames(CommandLine &CmdL)
+{
+   pkgCache &Cache = *GCache;
+   pkgCache::PkgIterator I = Cache.PkgBegin();
+   bool All = _config->FindB("APT::Cache::AllNames","false");
+   
+   if (CmdL.FileList[1] != 0)
+   {
+      for (;I.end() != true; I++)
+      {
+        if (All == false && I->VersionList == 0)
+           continue;
+        
+        if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0)
+           cout << I.Name() << endl;
+      }
+
+      return true;
+   }
+   
+   // Show all pkgs
+   for (;I.end() != true; I++)
+   {
+      if (All == false && I->VersionList == 0)
+        continue;
+      cout << I.Name() << endl;
+   }
+   
+   return true;
+}
+                                                                       /*}}}*/
+// ShowSrcPackage - Show source package records                                /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowSrcPackage(CommandLine &CmdL)
+{
+   pkgSourceList List;
+   List.ReadMainList();
+   
+   // Create the text record parsers
+   pkgSrcRecords SrcRecs(List);
+   if (_error->PendingError() == true)
+      return false;
+
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      SrcRecs.Restart();

       
       

-      if (strcmp(CmdL.FileList[0],"unmet") == 0)
+      pkgSrcRecords::Parser *Parse;
+      while ((Parse = SrcRecs.Find(*I,false)) != 0)
+        cout << Parse->AsStr() << endl;;
+   }      
+   return true;
+}
+                                                                       /*}}}*/
+// Policy - Show the results of the preferences file                   /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool Policy(CommandLine &CmdL)
+{
+   if (SrcList == 0)
+      return _error->Error("Generate must be enabled for this function");
+   
+   pkgCache &Cache = *GCache;
+   pkgPolicy Plcy(&Cache);
+   if (ReadPinFile(Plcy) == false)
+      return false;
+   
+   // Print out all of the package files
+   if (CmdL.FileList[1] == 0)
+   {
+      cout << _("Package files:") << endl;   
+      for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)

       {
       {

-        UnMet(Cache);
-        break;
+        // 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;

 
 

-      if (strcmp(CmdL.FileList[0],"check") == 0)
+        // Print the package name and the version we are forcing to
+        cout << "     " << I.Name() << " -> ";
+        
+        pkgCache::VerIterator V = Plcy.GetMatch(I);
+        if (V.end() == true)
+           cout << _("(not found)") << endl;
+        else
+           cout << V.VerStr() << endl;
+      }     
+      
+      return true;
+   }
+   
+   // Print out detailed information for each package
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+      if (Pkg.end() == true)

       {
       {

-        Check(Cache);
-        break;
+        _error->Warning(_("Unable to locate package %s"),*I);
+        continue;
+      }
+      
+      cout << Pkg.Name() << ":" << endl;
+      
+      // Installed version
+      cout << _("  Installed: ");
+      if (Pkg->CurrentVer == 0)
+        cout << _("(none)") << endl;
+      else
+        cout << Pkg.CurrentVer().VerStr() << endl;
+      
+      // Candidate Version 
+      cout << _("  Candidate: ");
+      pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
+      if (V.end() == true)
+        cout << _("(none)") << endl;
+      else
+        cout << V.VerStr() << endl;
+
+      // Pinned version
+      if (Plcy.GetPriority(Pkg) != 0)
+      {
+        cout << _("  Package pin: ");
+        V = Plcy.GetMatch(Pkg);
+        if (V.end() == true)
+           cout << _("(not found)") << endl;
+        else
+           cout << V.VerStr() << endl;
+      }
+      
+      // Show the priority tables
+      cout << _("  Version table:") << endl;
+      for (V = Pkg.VersionList(); V.end() == false; V++)
+      {
+        if (Pkg.CurrentVer() == V)
+           cout << " *** " << V.VerStr();
+        else
+           cout << "     " << V.VerStr();
+        cout << " " << Plcy.GetPriority(Pkg) << endl;
+        for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
+        {
+           // Locate the associated index files so we can derive a description
+           pkgIndexFile *Indx;
+           if (SrcList->FindIndex(VF.File(),Indx) == false &&
+               _system->FindIndex(VF.File(),Indx) == false)
+              return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
+           printf(_("       %4i %s\n"),Plcy.GetPriority(VF.File()),
+                  Indx->Describe(true).c_str());
+        }       
+      }      
+   }
+   
+   return true;
+}
+                                                                       /*}}}*/
+// Madison - Look a bit like katie's madison                           /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool Madison(CommandLine &CmdL)
+{
+   if (SrcList == 0)
+      return _error->Error("Generate must be enabled for this function");
+
+   SrcList->ReadMainList();
+
+   pkgCache &Cache = *GCache;
+
+   // Create the src text record parsers and ignore errors about missing
+   // deb-src lines that are generated from pkgSrcRecords::pkgSrcRecords
+   pkgSrcRecords SrcRecs(*SrcList);
+   if (_error->PendingError() == true)
+      _error->Discard();
+
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+
+      if (Pkg.end() == false)
+      {
+         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.Name() << " | " << setw(10) << V.VerStr() << " | "
+                                        << (*IF)->Describe(true) << endl;
+                         }
+                    }
+               }
+            }
+         }
+      }
+
+      
+      SrcRecs.Restart();
+      pkgSrcRecords::Parser *SrcParser;
+      while ((SrcParser = SrcRecs.Find(*I,false)) != 0)
+      {
+         // Maybe support Release info here too eventually
+         cout << setw(10) << SrcParser->Package() << " | "
+              << setw(10) << SrcParser->Version() << " | "
+              << SrcParser->Index().Describe(true) << endl;
+      }
+   }
+
+   return true;
+}
+
+                                                                       /*}}}*/
+// GenCaches - Call the main cache generator                           /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool GenCaches(CommandLine &Cmd)
+{
+   OpTextProgress Progress(*_config);
+   
+   pkgSourceList List;
+   if (List.ReadMainList() == false)
+      return false;   
+   return pkgMakeStatusCache(List,Progress);
+}
+                                                                       /*}}}*/
+// ShowHelp - Show a help screen                                       /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowHelp(CommandLine &Cmd)
+{
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+           COMMON_ARCH,__DATE__,__TIME__);
+   
+   if (_config->FindB("version") == true)
+     return true;
+
+   cout << 
+    _("Usage: apt-cache [options] command\n"
+      "       apt-cache [options] add file1 [file2 ...]\n"
+      "       apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
+      "       apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
+      "\n"
+      "apt-cache is a low-level tool used to manipulate APT's binary\n"
+      "cache files, and query information from them\n"
+      "\n"
+      "Commands:\n"
+      "   add - Add a package file to the source cache\n"
+      "   gencaches - Build both the package and source cache\n"
+      "   showpkg - Show some general information for a single package\n"
+      "   showsrc - Show source records\n"
+      "   stats - Show some basic statistics\n"
+      "   dump - Show the entire file in a terse form\n"
+      "   dumpavail - Print an available file to stdout\n"
+      "   unmet - Show unmet dependencies\n"
+      "   search - Search the package list for a regex pattern\n"
+      "   show - Show a readable record for the package\n"
+      "   depends - Show raw dependency information for a package\n"
+      "   rdepends - Show reverse dependency information for a package\n"
+      "   pkgnames - List the names of all packages\n"
+      "   dotty - Generate package graphs for GraphVis\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");
+   return true;
+}
+                                                                       /*}}}*/
+// CacheInitialize - Initialize things for apt-cache                   /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CacheInitialize()
+{
+   _config->Set("quiet",0);
+   _config->Set("help",false);
+}
+                                                                       /*}}}*/
+
+int main(int argc,const char *argv[])
+{
+   CommandLine::Args Args[] = {
+      {'h',"help","help",0},
+      {'v',"version","version",0},
+      {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg},
+      {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
+      {'q',"quiet","quiet",CommandLine::IntLevel},
+      {'i',"important","APT::Cache::Important",0},
+      {'f',"full","APT::Cache::ShowFull",0},
+      {'g',"generate","APT::Cache::Generate",0},
+      {'a',"all-versions","APT::Cache::AllVersions",0},
+      {'n',"names-only","APT::Cache::NamesOnly",0},
+      {0,"all-names","APT::Cache::AllNames",0},
+      {0,"recurse","APT::Cache::RecurseDepends",0},
+      {'c',"config-file",0,CommandLine::ConfigFile},
+      {'o',"option",0,CommandLine::ArbItem},
+      {0,"installed","APT::Cache::Installed",0},
+      {0,0,0,0}};
+   CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
+                                    {"add",&DoAdd},
+                                    {"gencaches",&GenCaches},
+                                    {"showsrc",&ShowSrcPackage},
+                                    {0,0}};
+   CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
+                                    {"stats",&Stats},
+                                    {"dump",&Dump},
+                                    {"dumpavail",&DumpAvail},
+                                    {"unmet",&UnMet},
+                                    {"search",&Search},
+                                    {"depends",&Depends},
+                                    {"rdepends",&RDepends},
+                                    {"dotty",&Dotty},
+                                    {"xvcg",&XVcg},
+                                    {"show",&ShowPackage},
+                                    {"pkgnames",&ShowPkgNames},
+                                    {"policy",&Policy},
+                                    {"madison",&Madison},
+                                    {0,0}};
+
+   CacheInitialize();
+
+   // Set up gettext support
+   setlocale(LC_ALL,"");
+   textdomain(PACKAGE);
+
+   // 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;
+   }
+
+   // See if the help should be shown
+   if (_config->FindB("help") == true ||
+       CmdL.FileSize() == 0)
+   {
+      ShowHelp(CmdL);
+      return 0;
+   }
+   
+   // Deal with stdout not being a tty
+   if (isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
+      _config->Set("quiet","1");
+
+   if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
+   { 
+      MMap *Map = 0;
+      if (_config->FindB("APT::Cache::Generate",true) == false)
+      {
+        Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"),
+                                   FileFd::ReadOnly),MMap::Public|MMap::ReadOnly);
+      }
+      else
+      {
+        // Open the cache file
+        SrcList = new pkgSourceList;
+        SrcList->ReadMainList();
+
+        // Generate it and map it
+        OpProgress Prog;
+        pkgMakeStatusCache(*SrcList,Prog,&Map,true);
+      }
+      
+      if (_error->PendingError() == false)
+      {
+        pkgCache Cache(Map);   
+        GCache = &Cache;
+        if (_error->PendingError() == false)
+           CmdL.DispatchArg(CmdsB);

       }
       }

-            
-      _error->Error("Invalid operation %s", CmdL.FileList[0]);
-      break;
+      delete Map;

    }
    
    // Print any errors or warnings found during parsing
    }
    
    // Print any errors or warnings found during parsing