merged from lp:~mvo/apt/mvo (which is really lp:~donkult/apt/sid with some updated...

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

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index b0e70510851da2abfebbe153fe4c91b25f0859d8..45ea50433805971898377a208ecc6ab62246a690 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -17,6 +17,7 @@
 #include <cassert>
 #include <apt-pkg/pkgcachegen.h>
 #include <apt-pkg/cachefile.h>
 #include <cassert>
 #include <apt-pkg/pkgcachegen.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/init.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/sourcelist.h>


@@ -29,7 +30,6 @@
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/sptr.h>

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

 
 #include <config.h>
 #include <apti18n.h>
 
 #include <config.h>
 #include <apti18n.h>


@@ -46,6 +46,29 @@
 
 using namespace std;
 
 
 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 APT::VersionSet canNotFindAllVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+      virtualPkgs.insert(Pkg);
+      return CacheSetHelper::canNotFindAllVer(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         /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // LocalitySort - Sort a version list by package file locality         /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -81,18 +104,8 @@ void LocalitySort(pkgCache::DescFile **begin,
 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool UnMet(CommandLine &CmdL)
+bool ShowUnMet(pkgCache::VerIterator const &V, bool const &Important)

 {
 {

-   bool const Important = _config->FindB("APT::Cache::Important",false);
-
-   pkgCacheFile CacheFile;
-   if (unlikely(CacheFile.GetPkgCache() == NULL))
-      return false;
-
-   for (pkgCache::PkgIterator P = CacheFile.GetPkgCache()->PkgBegin(); P.end() == false; P++)
-   {
-      for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
-      {

         bool Header = false;
         for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
         {
         bool Header = false;
         for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
         {


@@ -100,20 +113,19 @@ bool UnMet(CommandLine &CmdL)
            pkgCache::DepIterator Start;
            pkgCache::DepIterator End;
            D.GlobOr(Start,End);
            pkgCache::DepIterator Start;
            pkgCache::DepIterator End;
            D.GlobOr(Start,End);

-           
-           // Skip conflicts and replaces
-           if (End->Type != pkgCache::Dep::PreDepends &&
-               End->Type != pkgCache::Dep::Depends && 
-               End->Type != pkgCache::Dep::Suggests &&
-               End->Type != pkgCache::Dep::Recommends)
-              continue;

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

-           
+
+           // Skip conflicts and replaces
+           if (End->Type == pkgCache::Dep::DpkgBreaks ||
+               End->Type == pkgCache::Dep::Replaces ||
+               End->Type == pkgCache::Dep::Conflicts)
+              continue;
+

            // Verify the or group
            bool OK = false;
            pkgCache::DepIterator RealStart = Start;
            // Verify the or group
            bool OK = false;
            pkgCache::DepIterator RealStart = Start;


@@ -142,7 +154,7 @@ bool UnMet(CommandLine &CmdL)
            // Oops, it failed..
            if (Header == false)
               ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),
            // Oops, it failed..
            if (Header == false)
               ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),

-                       P.FullName(true).c_str(),V.VerStr());
+                       V.ParentPkg().FullName(true).c_str(),V.VerStr());

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


@@ -164,9 +176,33 @@ bool UnMet(CommandLine &CmdL)
            while (1);
            
            cout << endl;
            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::VersionSet verset = APT::VersionSet::FromCommandLine(CacheFile, CmdL.FileList + 1,
+                               APT::VersionSet::CANDIDATE, helper);
+      for (APT::VersionSet::iterator V = verset.begin(); V != verset.end(); ++V)
+        if (ShowUnMet(V, Important) == false)
+           return false;
+   }

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -176,7 +212,8 @@ bool UnMet(CommandLine &CmdL)
 bool DumpPackage(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
 bool DumpPackage(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;

-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList);
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);

 
    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
    {
 
    for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
    {


@@ -540,72 +577,82 @@ bool DumpAvail(CommandLine &Cmd)
    return !_error->PendingError();
 }
                                                                        /*}}}*/
    return !_error->PendingError();
 }
                                                                        /*}}}*/

-// Depends - Print out a dependency tree                               /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool Depends(CommandLine &CmdL)
+// 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;
 
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
    if (unlikely(Cache == NULL))
       return false;
 

-   SPtrArray<unsigned> Colours = new unsigned[Cache->Head().PackageCount];
-   memset(Colours,0,sizeof(*Colours)*Cache->Head().PackageCount);
-
-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList);
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
-      Colours[Pkg->ID] = 1;
-
-   bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
-   bool Installed = _config->FindB("APT::Cache::Installed",false);
-   bool Important = _config->FindB("APT::Cache::Important",false);
-   bool DidSomething;
-   do
+   CacheSetHelperVirtuals helper(false);
+   APT::VersionSet verset = APT::VersionSet::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::VersionSet::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 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)

    {
    {

-      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.FullName(true) << '>' << endl;
-           continue;
-        }
-        
+      pkgCache::VerIterator Ver = *verset.begin();
+      verset.erase(verset.begin());
+      pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+      Shown[Pkg->ID] = true;
+

         cout << Pkg.FullName(true) << endl;
         cout << Pkg.FullName(true) << endl;

-        
-        for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+
+        if (RevDepends == true)
+           cout << "Reverse Depends:" << endl;
+        for (pkgCache::DepIterator D = RevDepends ? Pkg.RevDependsList() : Ver.DependsList();
+             D.end() == false; D++)

         {
         {

-           // Important deps only
-           if (Important == true)
-              if (D->Type != pkgCache::Dep::PreDepends &&
-                  D->Type != pkgCache::Dep::Depends)
-                 continue;
-                 
-           pkgCache::PkgIterator Trg = D.TargetPkg();
+           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((Installed && Trg->CurrentVer != 0) || !Installed)
              {
 

-               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+               if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or && ShowOnlyFirstOr == false)

                  cout << " |";
                else
                  cout << "  ";
            
                // Show the package
                  cout << " |";
                else
                  cout << "  ";
            
                // Show the package

+               if (ShowDepType == true)
+                 cout << D.DepType() << ": ";

                if (Trg->VersionList == 0)
                if (Trg->VersionList == 0)

-                 cout << D.DepType() << ": <" << Trg.FullName(true) << ">" << endl;
+                 cout << "<" << Trg.FullName(true) << ">" << endl;

                else
                else

-                 cout << D.DepType() << ": " << Trg.FullName(true) << endl;
+                 cout << Trg.FullName(true) << endl;

            
            

-               if (Recurse == true)
-                 Colours[D.TargetPkg()->ID]++;
+               if (Recurse == true && Shown[Trg->ID] == false)
+               {
+                 Shown[Trg->ID] = true;
+                 verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::VersionSet::CANDIDATE, helper));
+               }

 
              }
            
 
              }
            


@@ -619,101 +666,40 @@ bool Depends(CommandLine &CmdL)
                   V->ParentPkg == D->Package)
                  continue;
               cout << "    " << V.ParentPkg().FullName(true) << endl;
                   V->ParentPkg == D->Package)
                  continue;
               cout << "    " << V.ParentPkg().FullName(true) << endl;

-              
-              if (Recurse == true)
-                 Colours[D.ParentPkg()->ID]++;
+
+               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;

         }
         }

-      }      
-   }   
-   while (DidSomething == true);
-   
+   }
+
+   for (APT::PackageSet::const_iterator Pkg = helper.virtualPkgs.begin();
+       Pkg != helper.virtualPkgs.end(); ++Pkg)
+      cout << '<' << Pkg.FullName(true) << '>' << endl;
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// RDepends - Print out a reverse dependency tree - mbc                        /*{{{*/
+// 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)
 {
 // ---------------------------------------------------------------------
 /* */
 bool RDepends(CommandLine &CmdL)
 {

-   pkgCacheFile CacheFile;
-   pkgCache *Cache = CacheFile.GetPkgCache();
-   if (unlikely(Cache == NULL))
-      return false;
-
-   SPtrArray<unsigned> Colours = new unsigned[Cache->Head().PackageCount];
-   memset(Colours,0,sizeof(*Colours)*Cache->Head().PackageCount);
-
-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList);
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
-      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.FullName(true) << '>' << endl;
-           continue;
-        }
-        
-        cout << Pkg.FullName(true) << 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.FullName(true) << ">" << endl;
-               else
-                 cout << Trg.FullName(true) << 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().FullName(true) << endl;
-              
-              if (Recurse == true)
-                 Colours[D.ParentPkg()->ID]++;
-           }
-        }
-      }      
-   }   
-   while (DidSomething == true);
-   
-   return true;
+   return ShowDepends(CmdL, true);

 }
                                                                        /*}}}*/
 // xvcg - Generate a graph for xvcg                                    /*{{{*/
 }
                                                                        /*}}}*/
 // xvcg - Generate a graph for xvcg                                    /*{{{*/


@@ -776,38 +762,25 @@ bool XVcg(CommandLine &CmdL)
            ShapeMap[Pkg->ID] = 3;
       }
    }
            ShapeMap[Pkg->ID] = 3;
       }
    }

-   
+

    // Load the list of packages from the command line into the show list
    // Load the list of packages from the command line into the show list

-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   std::list<APT::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::map<unsigned short, APT::PackageSet> pkgsets =
+               APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
+
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[0].begin();
+       Pkg != pkgsets[0].end(); ++Pkg)
+      Show[Pkg->ID] = ToShow;
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[1].begin();
+       Pkg != pkgsets[1].end(); ++Pkg)

    {
    {

-      // Process per-package flags
-      string P = *I;
-      bool Force = false;
-      if (P.length() > 3)
-      {
-        if (P.end()[-1] == '^')
-        {
-           Force = true;
-           P.erase(P.end()-1);
-        }
-        
-        if (P.end()[-1] == ',')
-           P.erase(P.end()-1);
-      }
-      
-      // Locate the package
-      pkgCache::PkgIterator Pkg = Cache->FindPkg(P);
-      if (Pkg.end() == true)
-      {
-        _error->Warning(_("Unable to locate package %s"),*I);
-        continue;
-      }

       Show[Pkg->ID] = ToShow;
       Show[Pkg->ID] = ToShow;

-      
-      if (Force == true)
-        Flags[Pkg->ID] |= ForceNR;
+      Flags[Pkg->ID] |= ForceNR;

    }
    }

-   
+

    // Little header
    cout << "graph: { title: \"packages\"" << endl <<
      "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<
    // Little header
    cout << "graph: { title: \"packages\"" << endl <<
      "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<


@@ -1004,38 +977,25 @@ bool Dotty(CommandLine &CmdL)
            ShapeMap[Pkg->ID] = 3;
       }
    }
            ShapeMap[Pkg->ID] = 3;
       }
    }

-   
+

    // Load the list of packages from the command line into the show list
    // Load the list of packages from the command line into the show list

-   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   std::list<APT::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::map<unsigned short, APT::PackageSet> pkgsets =
+               APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
+
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[0].begin();
+       Pkg != pkgsets[0].end(); ++Pkg)
+      Show[Pkg->ID] = ToShow;
+   for (APT::PackageSet::const_iterator Pkg = pkgsets[1].begin();
+       Pkg != pkgsets[1].end(); ++Pkg)

    {
    {

-      // Process per-package flags
-      string P = *I;
-      bool Force = false;
-      if (P.length() > 3)
-      {
-        if (P.end()[-1] == '^')
-        {
-           Force = true;
-           P.erase(P.end()-1);
-        }
-        
-        if (P.end()[-1] == ',')
-           P.erase(P.end()-1);
-      }
-      
-      // Locate the package
-      pkgCache::PkgIterator Pkg = Cache->FindPkg(P);
-      if (Pkg.end() == true)
-      {
-        _error->Warning(_("Unable to locate package %s"),*I);
-        continue;
-      }

       Show[Pkg->ID] = ToShow;
       Show[Pkg->ID] = ToShow;

-      
-      if (Force == true)
-        Flags[Pkg->ID] |= ForceNR;
+      Flags[Pkg->ID] |= ForceNR;

    }
    }

-   
+

    // Little header
    printf("digraph packages {\n");
    printf("concentrate=true;\n");
    // Little header
    printf("digraph packages {\n");
    printf("concentrate=true;\n");


@@ -1232,11 +1192,11 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
    pkgCache::PkgFileIterator I = Vf.File();
    if (I.IsOk() == false)
       return _error->Error(_("Package file %s is out of sync."),I.FileName());
    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)
+
+   FileFd PkgF;
+   if (PkgF.Open(I.FileName(), FileFd::ReadOnlyGzip) == false)

       return false;
       return false;

-   
+

    // Read the record
    unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+1];
    Buffer[V.FileList()->Size] = '\n';
    // Read the record
    unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+1];
    Buffer[V.FileList()->Size] = '\n';


@@ -1361,7 +1321,7 @@ bool Search(CommandLine &CmdL)
         continue;
       pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
       if (V.end() == false)
         continue;
       pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
       if (V.end() == false)

-        DFList[G->ID].Df = V.DescriptionList().FileList();
+        DFList[G->ID].Df = V.TranslatedDescription().FileList();

 
       if (DFList[G->ID].NameMatch == false)
         continue;
 
       if (DFList[G->ID].NameMatch == false)
         continue;


@@ -1374,7 +1334,7 @@ bool Search(CommandLine &CmdL)
            continue;
 
         unsigned long id = Prv.OwnerPkg().Group()->ID;
            continue;
 
         unsigned long id = Prv.OwnerPkg().Group()->ID;

-        DFList[id].Df = V.DescriptionList().FileList();
+        DFList[id].Df = V.TranslatedDescription().FileList();

         DFList[id].NameMatch = true;
       }
    }
         DFList[id].NameMatch = true;
       }
    }


@@ -1455,16 +1415,22 @@ bool ShowAuto(CommandLine &CmdL)
 bool ShowPackage(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
 bool ShowPackage(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;

+   CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);

    APT::VersionSet::Version const select = _config->FindB("APT::Cache::AllVersions", true) ?
    APT::VersionSet::Version const select = _config->FindB("APT::Cache::AllVersions", true) ?

-                       APT::VersionSet::ALL : APT::VersionSet::INSTALLED;
-   APT::VersionSet const verset = APT::VersionSet::FromCommandLine(CacheFile, CmdL.FileList, select);
+                       APT::VersionSet::ALL : APT::VersionSet::CANDIDATE;
+   APT::VersionSet const verset = APT::VersionSet::FromCommandLine(CacheFile, CmdL.FileList + 1, select, helper);

    for (APT::VersionSet::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver)
       if (DisplayRecord(CacheFile, Ver) == false)
         return false;
 
    for (APT::VersionSet::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver)
       if (DisplayRecord(CacheFile, Ver) == false)
         return false;
 

-   if (verset.empty() == false)
-        return true;
-   return _error->Error(_("No packages found"));
+   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                                   /*{{{*/
 }
                                                                        /*}}}*/
 // ShowPkgNames - Show package names                                   /*{{{*/


@@ -1537,10 +1503,10 @@ bool ShowSrcPackage(CommandLine &CmdL)
         _error->Warning(_("Unable to locate package %s"),*I);
         continue;
       }
         _error->Warning(_("Unable to locate package %s"),*I);
         continue;
       }

-   }      
-   if (found > 0)
-        return true;
-   return _error->Error(_("No packages found"));
+   }
+   if (found == 0)
+      _error->Notice(_("No packages found"));
+   return true;

 }
                                                                        /*}}}*/
 // Policy - Show the results of the preferences file                   /*{{{*/
 }
                                                                        /*}}}*/
 // Policy - Show the results of the preferences file                   /*{{{*/


@@ -1616,7 +1582,8 @@ bool Policy(CommandLine &CmdL)
                (InstalledLessCandidate > 0 ? (InstalledLessCandidate) : 0) - 1;
 
    // Print out detailed information for each package
                (InstalledLessCandidate > 0 ? (InstalledLessCandidate) : 0) - 1;
 
    // Print out detailed information for each package

-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList);
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);

    for (APT::PackageSet::const_iterator I = pkgset.begin(); I != pkgset.end(); ++I)
    {
       pkgCache::PkgIterator Pkg = I.Group().FindPkg("any");
    for (APT::PackageSet::const_iterator I = pkgset.begin(); I != pkgset.end(); ++I)
    {
       pkgCache::PkgIterator Pkg = I.Group().FindPkg("any");


@@ -1696,10 +1663,12 @@ bool Madison(CommandLine &CmdL)
    if (_error->PendingError() == true)
       _error->Discard();
 
    if (_error->PendingError() == true)
       _error->Discard();
 

-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList);
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+   APT::CacheSetHelper helper(true, GlobalError::NOTICE);
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)

    {
    {

-      if (Pkg.end() == false)
+      _error->PushToStack();
+      APT::PackageSet pkgset = APT::PackageSet::FromString(CacheFile, *I, helper);
+      for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)

       {
          for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++)
          {
       {
          for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++)
          {


@@ -1730,16 +1699,21 @@ bool Madison(CommandLine &CmdL)
          }
       }
 
          }
       }
 

-      

       SrcRecs.Restart();
       pkgSrcRecords::Parser *SrcParser;
       SrcRecs.Restart();
       pkgSrcRecords::Parser *SrcParser;

-      while ((SrcParser = SrcRecs.Find(Pkg.Name(),false)) != 0)
+      bool foundSomething = false;
+      while ((SrcParser = SrcRecs.Find(*I, false)) != 0)

       {
       {

+         foundSomething = true;

          // Maybe support Release info here too eventually
          cout << setw(10) << SrcParser->Package() << " | "
               << setw(10) << SrcParser->Version() << " | "
               << SrcParser->Index().Describe(true) << endl;
       }
          // Maybe support Release info here too eventually
          cout << setw(10) << SrcParser->Package() << " | "
               << setw(10) << SrcParser->Version() << " | "
               << SrcParser->Index().Describe(true) << endl;
       }

+      if (foundSomething == true)
+        _error->RevertToStack();
+      else
+        _error->MergeWithStack();

    }
 
    return true;
    }
 
    return true;


@@ -1807,15 +1781,6 @@ bool ShowHelp(CommandLine &Cmd)
    return true;
 }
                                                                        /*}}}*/
    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[] = {
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
    CommandLine::Args Args[] = {


@@ -1831,9 +1796,19 @@ int main(int argc,const char *argv[])                                    /*{{{*/
       {'n',"names-only","APT::Cache::NamesOnly",0},
       {0,"all-names","APT::Cache::AllNames",0},
       {0,"recurse","APT::Cache::RecurseDepends",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},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,"installed","APT::Cache::Installed",0},

+      {0,"pre-depends","APT::Cache::ShowPreDepends",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},
                                     {"add",&DoAdd},
       {0,0,0,0}};
    CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
                                     {"add",&DoAdd},


@@ -1857,8 +1832,6 @@ int main(int argc,const char *argv[])                                     /*{{{*/
                                     {"madison",&Madison},
                                     {0,0}};
 
                                     {"madison",&Madison},
                                     {0,0}};
 

-   CacheInitialize();
-

    // Set up gettext support
    setlocale(LC_ALL,"");
    textdomain(PACKAGE);
    // Set up gettext support
    setlocale(LC_ALL,"");
    textdomain(PACKAGE);


@@ -1882,21 +1855,21 @@ int main(int argc,const char *argv[])                                   /*{{{*/
    }
    
    // Deal with stdout not being a tty
    }
    
    // Deal with stdout not being a tty

-   if (isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
+   if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)

       _config->Set("quiet","1");
 
       _config->Set("quiet","1");
 

-//       if (_config->FindB("APT::Cache::Generate",true) == false)
+   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
    if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
       CmdL.DispatchArg(CmdsB);
 
    // Print any errors or warnings found during parsing

-   if (_error->empty() == false)
-   {
-      bool Errors = _error->PendingError();
+   bool const Errors = _error->PendingError();
+   if (_config->FindI("quiet",0) > 0)

       _error->DumpErrors();
       _error->DumpErrors();

-      return Errors == true?100:0;
-   }
-          
-   return 0;
+   else
+      _error->DumpErrors(GlobalError::DEBUG);
+   return Errors == true ? 100 : 0;

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