add more dpointer placeholders
[ntk/apt.git] / apt-pkg / algorithms.cc
index a3963d5..0fbce3c 100644 (file)
@@ -58,7 +58,7 @@ void pkgSimulate::Describe(PkgIterator Pkg,ostream &out,bool Current,bool Candid
 {
    VerIterator Ver(Sim);
  
-   out << Pkg.Name();
+   out << Pkg.FullName(true);
 
    if (Current == true)
    {
@@ -83,13 +83,28 @@ void pkgSimulate::Describe(PkgIterator Pkg,ostream &out,bool Current,bool Candid
 bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
 {
    // Adapt the iterator
-   PkgIterator Pkg = Sim.FindPkg(iPkg.Name());
+   PkgIterator Pkg = Sim.FindPkg(iPkg.Name(), iPkg.Arch());
    Flags[Pkg->ID] = 1;
    
    cout << "Inst ";
    Describe(Pkg,cout,true,true);
    Sim.MarkInstall(Pkg,false);
-   
+
+   if (strcmp(Pkg.Arch(),"all") == 0)
+   {
+      pkgCache::GrpIterator G = Pkg.Group();
+      pkgCache::GrpIterator iG = iPkg.Group();
+      for (pkgCache::PkgIterator P = G.FindPkg("any"); P.end() != true; P = G.NextPkg(P))
+      {
+        if (strcmp(P.Arch(), "all") == 0)
+           continue;
+        if (iG.FindPkg(P.Arch())->CurrentVer == 0)
+           continue;
+        Flags[P->ID] = 1;
+        Sim.MarkInstall(P, false);
+      }
+   }
+
    // Look for broken conflicts+predepends.
    for (PkgIterator I = Sim.PkgBegin(); I.end() == false; I++)
    {
@@ -108,9 +123,9 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
          {
            if ((Sim[End] & pkgDepCache::DepGInstall) == 0)
            {
-              cout << " [" << I.Name() << " on " << Start.TargetPkg().Name() << ']';
+              cout << " [" << I.FullName(false) << " on " << Start.TargetPkg().FullName(false) << ']';
               if (Start->Type == pkgCache::Dep::Conflicts)
-                 _error->Error("Fatal, conflicts violated %s",I.Name());
+                 _error->Error("Fatal, conflicts violated %s",I.FullName(false).c_str());
            }       
         }
       }      
@@ -131,13 +146,26 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
 bool pkgSimulate::Configure(PkgIterator iPkg)
 {
    // Adapt the iterator
-   PkgIterator Pkg = Sim.FindPkg(iPkg.Name());
+   PkgIterator Pkg = Sim.FindPkg(iPkg.Name(), iPkg.Arch());
    
    Flags[Pkg->ID] = 2;
+
+   if (strcmp(Pkg.Arch(),"all") == 0)
+   {
+      pkgCache::GrpIterator G = Pkg.Group();
+      for (pkgCache::PkgIterator P = G.FindPkg("any"); P.end() != true; P = G.NextPkg(P))
+      {
+        if (strcmp(P.Arch(), "all") == 0)
+           continue;
+        if (Flags[P->ID] == 1)
+           Flags[P->ID] = 2;
+      }
+   }
+
 //   Sim.MarkInstall(Pkg,false);
    if (Sim[Pkg].InstBroken() == true)
    {
-      cout << "Conf " << Pkg.Name() << " broken" << endl;
+      cout << "Conf " << Pkg.FullName(false) << " broken" << endl;
 
       Sim.Update();
       
@@ -149,17 +177,17 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
            continue;
         
         if (D->Type == pkgCache::Dep::Obsoletes)
-           cout << " Obsoletes:" << D.TargetPkg().Name();
+           cout << " Obsoletes:" << D.TargetPkg().FullName(false);
         else if (D->Type == pkgCache::Dep::Conflicts)
-           cout << " Conflicts:" << D.TargetPkg().Name();
+           cout << " Conflicts:" << D.TargetPkg().FullName(false);
         else if (D->Type == pkgCache::Dep::DpkgBreaks)
-           cout << " Breaks:" << D.TargetPkg().Name();
+           cout << " Breaks:" << D.TargetPkg().FullName(false);
         else
-           cout << " Depends:" << D.TargetPkg().Name();
+           cout << " Depends:" << D.TargetPkg().FullName(false);
       }            
       cout << endl;
 
-      _error->Error("Conf Broken %s",Pkg.Name());
+      _error->Error("Conf Broken %s",Pkg.FullName(false).c_str());
    }   
    else
    {
@@ -181,10 +209,26 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
 bool pkgSimulate::Remove(PkgIterator iPkg,bool Purge)
 {
    // Adapt the iterator
-   PkgIterator Pkg = Sim.FindPkg(iPkg.Name());
+   PkgIterator Pkg = Sim.FindPkg(iPkg.Name(), iPkg.Arch());
 
    Flags[Pkg->ID] = 3;
    Sim.MarkDelete(Pkg);
+
+   if (strcmp(Pkg.Arch(),"all") == 0)
+   {
+      pkgCache::GrpIterator G = Pkg.Group();
+      pkgCache::GrpIterator iG = iPkg.Group();
+      for (pkgCache::PkgIterator P = G.FindPkg("any"); P.end() != true; P = G.NextPkg(P))
+      {
+        if (strcmp(P.Arch(), "all") == 0)
+           continue;
+        if (iG.FindPkg(P.Arch())->CurrentVer == 0)
+           continue;
+        Flags[P->ID] = 3;
+        Sim.MarkDelete(P);
+      }
+   }
+
    if (Purge == true)
       cout << "Purg ";
    else
@@ -210,7 +254,7 @@ void pkgSimulate::ShortBreaks()
       if (Sim[I].InstBroken() == true)
       {
         if (Flags[I->ID] == 0)
-           cout << I.Name() << ' ';
+           cout << I.FullName(false) << ' ';
 /*      else
            cout << I.Name() << "! ";*/
       }      
@@ -246,7 +290,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
               Cache.MarkInstall(I, false, 0, false);
            else
               return _error->Error(_("The package %s needs to be reinstalled, "
-                                   "but I can't find an archive for it."),I.Name());
+                                   "but I can't find an archive for it."),I.FullName(true).c_str());
         }
         
         continue;
@@ -281,7 +325,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
         default:
         if (I->InstState != pkgCache::State::Ok)
            return _error->Error("The package %s is not ok and I "
-                                "don't know how to fix it!",I.Name());
+                                "don't know how to fix it!",I.FullName(false).c_str());
       }
    }
    return true;
@@ -330,6 +374,13 @@ bool pkgDistUpgrade(pkgDepCache &Cache)
 {
    pkgDepCache::ActionGroup group(Cache);
 
+   /* Upgrade all installed packages first without autoinst to help the resolver
+      in versioned or-groups to upgrade the old solver instead of installing
+      a new one (if the old solver is not the first one [anymore]) */
+   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
+      if (I->CurrentVer != 0)
+        Cache.MarkInstall(I, false, 0, false);
+
    /* Auto upgrade all installed packages, this provides the basis 
       for the installation */
    for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
@@ -491,11 +542,11 @@ void pkgProblemResolver::MakeScores()
    // Important Required Standard Optional Extra
    signed short PrioMap[] = {
       0,
-      _config->FindI("pkgProblemResolver::Scores::Important",3),
-      _config->FindI("pkgProblemResolver::Scores::Required",2),
-      _config->FindI("pkgProblemResolver::Scores::Standard",1),
-      _config->FindI("pkgProblemResolver::Scores::Optional",-1),
-      _config->FindI("pkgProblemResolver::Scores::Extra",-2)
+      (signed short) _config->FindI("pkgProblemResolver::Scores::Important",3),
+      (signed short) _config->FindI("pkgProblemResolver::Scores::Required",2),
+      (signed short) _config->FindI("pkgProblemResolver::Scores::Standard",1),
+      (signed short) _config->FindI("pkgProblemResolver::Scores::Optional",-1),
+      (signed short) _config->FindI("pkgProblemResolver::Scores::Extra",-2)
    };
    signed short PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100);
    signed short PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1);
@@ -665,7 +716,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
         if ((Flags[P->ID] & Protected) == Protected)
         {
            if (Debug == true)
-              clog << "    Reinst Failed because of protected " << P.Name() << endl;
+              clog << "    Reinst Failed because of protected " << P.FullName(false) << endl;
            Fail = true;
         }      
         else
@@ -676,7 +727,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
               if (DoUpgrade(P) == false)
               {
                  if (Debug == true)
-                    clog << "    Reinst Failed because of " << P.Name() << endl;
+                    clog << "    Reinst Failed because of " << P.FullName(false) << endl;
                  Fail = true;
               }
               else
@@ -695,7 +746,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
                   break;
               
               if (Debug == true)
-                 clog << "    Reinst Failed early because of " << Start.TargetPkg().Name() << endl;
+                 clog << "    Reinst Failed early because of " << Start.TargetPkg().FullName(false) << endl;
               Fail = true;
            }     
         }
@@ -719,7 +770,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
    }    
    
    if (Debug == true)
-      clog << "  Re-Instated " << Pkg.Name() << endl;
+      clog << "  Re-Instated " << Pkg.FullName(false) << endl;
    return true;
 }
                                                                        /*}}}*/
@@ -803,6 +854,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
       not be possible for a loop to form (that is a < b < c and fixing b by
       changing a breaks c) */
    bool Change = true;
+   bool const TryFixByInstall = _config->FindB("pkgProblemResolver::FixByInstall", true);
    for (int Counter = 0; Counter != 10 && Change == true; Counter++)
    {
       Change = false;
@@ -819,7 +871,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
             (Flags[I->ID] & ReInstateTried) == 0)
         {
            if (Debug == true)
-              clog << " Try to Re-Instate " << I.Name() << endl;
+              clog << " Try to Re-Instate (" << Counter << ") " << I.FullName(false) << endl;
            unsigned long OldBreaks = Cache.BrokenCount();
            pkgCache::Version *OldVer = Cache[I].InstallVer;
            Flags[I->ID] &= ReInstateTried;
@@ -835,14 +887,14 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            }       
            else
               if (Debug == true)
-                 clog << "Re-Instated " << I.Name() << " (" << OldBreaks << " vs " << Cache.BrokenCount() << ')' << endl;
+                 clog << "Re-Instated " << I.FullName(false) << " (" << OldBreaks << " vs " << Cache.BrokenCount() << ')' << endl;
         }
            
         if (Cache[I].InstallVer == 0 || Cache[I].InstBroken() == false)
            continue;
         
         if (Debug == true)
-           clog << "Investigating " << I.Name() << endl;
+           clog << "Investigating (" << Counter << ") " << I << endl;
         
         // Isolate the problem dependency
         PackageKill KillList[100];
@@ -860,22 +912,22 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            if (Start == End)
            {
               // Decide what to do
-              if (InOr == true)
+              if (InOr == true && OldEnd == LEnd)
               {
-                 if (OldEnd == LEnd && OrOp == OrRemove)
+                 if (OrOp == OrRemove)
                  {
                     if ((Flags[I->ID] & Protected) != Protected)
                     {
                        if (Debug == true)
-                          clog << "  Or group remove for " << I.Name() << endl;
+                          clog << "  Or group remove for " << I.FullName(false) << endl;
                        Cache.MarkDelete(I);
                        Change = true;
-                    }               
-                 }               
-                 if (OldEnd == LEnd && OrOp == OrKeep)
+                    }
+                 }
+                 else if (OrOp == OrKeep)
                  {
                     if (Debug == true)
-                       clog << "  Or group keep for " << I.Name() << endl;
+                       clog << "  Or group keep for " << I.FullName(false) << endl;
                     Cache.MarkKeep(I, false, false);
                     Change = true;
                  }
@@ -912,7 +964,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            }
            
            if (Debug == true)
-              clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
+              clog << "Broken " << Start << endl;
 
            /* Look across the version list. If there are no possible
               targets then we keep the package and bail. This is necessary
@@ -942,9 +994,26 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
               pkgCache::VerIterator Ver(Cache,*V);
               pkgCache::PkgIterator Pkg = Ver.ParentPkg();
 
+               /* This is a conflicts, and the version we are looking
+                  at is not the currently selected version of the 
+                  package, which means it is not necessary to 
+                  remove/keep */
+               if (Cache[Pkg].InstallVer != Ver &&
+                   (Start->Type == pkgCache::Dep::Conflicts ||
+                    Start->Type == pkgCache::Dep::DpkgBreaks ||
+                    Start->Type == pkgCache::Dep::Obsoletes)) 
+               {
+                  if (Debug) 
+                     clog << "  Conflicts//Breaks against version " 
+                          << Ver.VerStr() << " for " << Pkg.Name() 
+                          << " but that is not InstVer, ignoring"
+                          << endl;
+                  continue;
+               }
+
               if (Debug == true)
-                 clog << "  Considering " << Pkg.Name() << ' ' << (int)Scores[Pkg->ID] <<
-                 " as a solution to " << I.Name() << ' ' << (int)Scores[I->ID] << endl;
+                 clog << "  Considering " << Pkg.FullName(false) << ' ' << (int)Scores[Pkg->ID] <<
+                 " as a solution to " << I.FullName(false) << ' ' << (int)Scores[I->ID] << endl;
 
               /* Try to fix the package under consideration rather than
                  fiddle with the VList package */
@@ -982,7 +1051,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                        Cache.MarkInstall(I, false, 0, false);
                     
                     if (Debug == true)
-                       clog << "  Holding Back " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
+                       clog << "  Holding Back " << I.FullName(false) << " rather than change " << Start.TargetPkg().FullName(false) << endl;
                  }               
                  else
                  {                  
@@ -992,11 +1061,30 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                        if (InOr == false)
                        {
                           if (Debug == true)
-                             clog << "  Removing " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
+                             clog << "  Removing " << I.FullName(false) << " rather than change " << Start.TargetPkg().FullName(false) << endl;
                           Cache.MarkDelete(I);
                           if (Counter > 1 && Scores[Pkg->ID] > Scores[I->ID])
                              Scores[I->ID] = Scores[Pkg->ID];
                        }
+                       else if (TryFixByInstall == true &&
+                                Start.TargetPkg()->CurrentVer == 0 &&
+                                Cache[Start.TargetPkg()].Delete() == false &&
+                                (Flags[Start.TargetPkg()->ID] & ToRemove) != ToRemove &&
+                                Cache.GetCandidateVer(Start.TargetPkg()).end() == false)
+                       {
+                          /* Before removing or keeping the package with the broken dependency
+                             try instead to install the first not previously installed package
+                             solving this dependency. This helps every time a previous solver
+                             is removed by the resolver because of a conflict or alike but it is
+                             dangerous as it could trigger new breaks/conflicts… */
+                          if (Debug == true)
+                             clog << "  Try Installing " << Start.TargetPkg() << " before changing " << I.FullName(false) << std::endl;
+                          unsigned long const OldBroken = Cache.BrokenCount();
+                          Cache.MarkInstall(Start.TargetPkg(), true, 1, false);
+                          // FIXME: we should undo the complete MarkInstall process here
+                          if (Cache[Start.TargetPkg()].InstBroken() == true || Cache.BrokenCount() > OldBroken)
+                             Cache.MarkDelete(Start.TargetPkg(), false, 1, false);
+                       }
                     }
                  }
                                  
@@ -1006,25 +1094,17 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
               }
               else
               {
-                 /* This is a conflicts, and the version we are looking
-                    at is not the currently selected version of the 
-                    package, which means it is not necessary to 
-                    remove/keep */
-                 if (Cache[Pkg].InstallVer != Ver &&
-                     (Start->Type == pkgCache::Dep::Conflicts ||
-                      Start->Type == pkgCache::Dep::Obsoletes))
-                    continue;
-
                  if (Start->Type == pkgCache::Dep::DpkgBreaks)
                  {
                     // first, try upgradring the package, if that
                     // does not help, the breaks goes onto the
                     // kill list
+                     //
                     // FIXME: use DoUpgrade(Pkg) instead?
-                    if (Cache[End] & pkgDepCache::DepGCVer) 
+                    if (Cache[End] & pkgDepCache::DepGCVer)
                     {
                        if (Debug)
-                          clog << "  Upgrading " << Pkg.Name() << " due to Breaks field in " << I.Name() << endl;
+                          clog << "  Upgrading " << Pkg.FullName(false) << " due to Breaks field in " << I.FullName(false) << endl;
                        Cache.MarkInstall(Pkg, false, 0, false);
                        continue;
                     }
@@ -1035,7 +1115,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                     continue;
                
                  if (Debug == true)
-                    clog << "  Added " << Pkg.Name() << " to the remove list" << endl;
+                    clog << "  Added " << Pkg.FullName(false) << " to the remove list" << endl;
                  
                  LEnd->Pkg = Pkg;
                  LEnd->Dep = End;
@@ -1067,12 +1147,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                     Cache.MarkInstall(I, false, 0, false);
                  
                  if (Debug == true)
-                    clog << "  Holding Back " << I.Name() << " because I can't find " << Start.TargetPkg().Name() << endl;
+                    clog << "  Holding Back " << I.FullName(false) << " because I can't find " << Start.TargetPkg().FullName(false) << endl;
               }               
               else
               {
                  if (Debug == true)
-                    clog << "  Removing " << I.Name() << " because I can't find " << Start.TargetPkg().Name() << endl;
+                    clog << "  Removing " << I.FullName(false) << " because I can't find " << Start.TargetPkg().FullName(false) << endl;
                  if (InOr == false)
                     Cache.MarkDelete(I);
               }
@@ -1102,14 +1182,14 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                      J->Dep->Type == pkgCache::Dep::Obsoletes)
                  {
                     if (Debug == true)
-                       clog << "  Fixing " << I.Name() << " via remove of " << J->Pkg.Name() << endl;
+                       clog << "  Fixing " << I.FullName(false) << " via remove of " << J->Pkg.FullName(false) << endl;
                     Cache.MarkDelete(J->Pkg);
                  }
               }
               else
               {
                  if (Debug == true)
-                    clog << "  Fixing " << I.Name() << " via keep of " << J->Pkg.Name() << endl;
+                    clog << "  Fixing " << I.FullName(false) << " via keep of " << J->Pkg.FullName(false) << endl;
                  Cache.MarkKeep(J->Pkg, false, false);
               }
 
@@ -1145,7 +1225,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
    for (;I.end() != true; I++) {
       if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) {
         if(_config->FindI("Debug::pkgAutoRemove",false)) {
-           std::clog << "Resolve installed new pkg: " << I.Name(
+           std::clog << "Resolve installed new pkg: " << I.FullName(false
                      << " (now marking it as auto)" << std::endl;
         }
         Cache[I].Flags |= pkgCache::Flag::Auto;
@@ -1208,7 +1288,7 @@ bool pkgProblemResolver::ResolveByKeep()
       if ((Flags[I->ID] & Protected) == 0)
       {
         if (Debug == true)
-           clog << "Keeping package " << I.Name() << endl;
+           clog << "Keeping package " << I.FullName(false) << endl;
         Cache.MarkKeep(I, false, false);
         if (Cache[I].InstBroken() == false)
         {
@@ -1239,7 +1319,7 @@ bool pkgProblemResolver::ResolveByKeep()
         while (true)
         {
            if (Debug == true)
-              clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
+              clog << "Package " << I.FullName(false) << " " << Start << endl;
 
            // Look at all the possible provides on this package
            SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
@@ -1256,7 +1336,7 @@ bool pkgProblemResolver::ResolveByKeep()
               if ((Flags[I->ID] & Protected) == 0)
               {
                  if (Debug == true)
-                    clog << "  Keeping Package " << Pkg.Name() << " due to " << Start.DepType() << endl;
+                    clog << "  Keeping Package " << Pkg.FullName(false) << " due to " << Start.DepType() << endl;
                  Cache.MarkKeep(Pkg, false, false);
               }
               
@@ -1281,7 +1361,7 @@ bool pkgProblemResolver::ResolveByKeep()
       
       // Restart again.
       if (K == LastStop)
-        return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.",I.Name());
+        return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.",I.FullName(false).c_str());
       LastStop = K;
       K = PList - 1;
    }   
@@ -1353,7 +1433,9 @@ bool ListUpdate(pkgAcquireStatus &Stat,
                int PulseInterval)
 {
    pkgAcquire::RunResult res;
-   pkgAcquire Fetcher(&Stat);
+   pkgAcquire Fetcher;
+   if (Fetcher.Setup(&Stat, _config->FindDir("Dir::State::Lists")) == false)
+      return false;
 
    // Populate it with the source selection
    if (List.GetIndexes(&Fetcher) == false)