* doc/apt.ent:

[apt.git] / apt-pkg / algorithms.cc

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index f1e51131a363adefe89f780c90dae5375b19e6dd..961f5c2fa1bfee4ff172c3efe16b9a280ae674b9 100644 (file)
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -58,7 +58,7 @@ void pkgSimulate::Describe(PkgIterator Pkg,ostream &out,bool Current,bool Candid
 {
    VerIterator Ver(Sim);
  
 {
    VerIterator Ver(Sim);
  

-   out << Pkg.Name();
+   out << Pkg.FullName(true);

 
    if (Current == true)
    {
 
    if (Current == true)
    {


@@ -123,9 +123,9 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
          {
            if ((Sim[End] & pkgDepCache::DepGInstall) == 0)
            {
          {
            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)
               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());

            }       
         }
       }      
            }       
         }
       }      


@@ -165,7 +165,7 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
 //   Sim.MarkInstall(Pkg,false);
    if (Sim[Pkg].InstBroken() == true)
    {
 //   Sim.MarkInstall(Pkg,false);
    if (Sim[Pkg].InstBroken() == true)
    {

-      cout << "Conf " << Pkg.Name() << " broken" << endl;
+      cout << "Conf " << Pkg.FullName(false) << " broken" << endl;

 
       Sim.Update();
       
 
       Sim.Update();
       


@@ -177,17 +177,17 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
            continue;
         
         if (D->Type == pkgCache::Dep::Obsoletes)
            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)
         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)
         else if (D->Type == pkgCache::Dep::DpkgBreaks)

-           cout << " Breaks:" << D.TargetPkg().Name();
+           cout << " Breaks:" << D.TargetPkg().FullName(false);

         else
         else

-           cout << " Depends:" << D.TargetPkg().Name();
+           cout << " Depends:" << D.TargetPkg().FullName(false);

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

-      _error->Error("Conf Broken %s",Pkg.Name());
+      _error->Error("Conf Broken %s",Pkg.FullName(false).c_str());

    }   
    else
    {
    }   
    else
    {


@@ -254,7 +254,7 @@ void pkgSimulate::ShortBreaks()
       if (Sim[I].InstBroken() == true)
       {
         if (Flags[I->ID] == 0)
       if (Sim[I].InstBroken() == true)
       {
         if (Flags[I->ID] == 0)

-           cout << I.Name() << ' ';
+           cout << I.FullName(false) << ' ';

 /*      else
            cout << I.Name() << "! ";*/
       }      
 /*      else
            cout << I.Name() << "! ";*/
       }      


@@ -290,7 +290,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
               Cache.MarkInstall(I, false, 0, false);
            else
               return _error->Error(_("The package %s needs to be reinstalled, "
               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;
         }
         
         continue;


@@ -325,7 +325,7 @@ bool pkgApplyStatus(pkgDepCache &Cache)
         default:
         if (I->InstState != pkgCache::State::Ok)
            return _error->Error("The package %s is not ok and I "
         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;
       }
    }
    return true;


@@ -709,7 +709,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
         if ((Flags[P->ID] & Protected) == Protected)
         {
            if (Debug == true)
         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
            Fail = true;
         }      
         else


@@ -720,7 +720,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
               if (DoUpgrade(P) == false)
               {
                  if (Debug == true)
               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
                  Fail = true;
               }
               else


@@ -739,7 +739,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
                   break;
               
               if (Debug == true)
                   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;
            }     
         }
               Fail = true;
            }     
         }


@@ -763,7 +763,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
    }    
    
    if (Debug == true)
    }    
    
    if (Debug == true)

-      clog << "  Re-Instated " << Pkg.Name() << endl;
+      clog << "  Re-Instated " << Pkg.FullName(false) << endl;

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


@@ -847,6 +847,7 @@ 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;
       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;
    for (int Counter = 0; Counter != 10 && Change == true; Counter++)
    {
       Change = false;


@@ -863,7 +864,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
             (Flags[I->ID] & ReInstateTried) == 0)
         {
            if (Debug == true)
             (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;
            unsigned long OldBreaks = Cache.BrokenCount();
            pkgCache::Version *OldVer = Cache[I].InstallVer;
            Flags[I->ID] &= ReInstateTried;


@@ -879,14 +880,14 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            }       
            else
               if (Debug == true)
            }       
            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)
         }
            
         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];
         
         // Isolate the problem dependency
         PackageKill KillList[100];


@@ -904,22 +905,22 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            if (Start == End)
            {
               // Decide what to do
            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)
                  {
                     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;
                        Cache.MarkDelete(I);
                        Change = true;

-                    }               
-                 }               
-                 if (OldEnd == LEnd && OrOp == OrKeep)
+                    }
+                 }
+                 else if (OrOp == OrKeep)

                  {
                     if (Debug == true)
                  {
                     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;
                  }
                     Cache.MarkKeep(I, false, false);
                     Change = true;
                  }


@@ -956,7 +957,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
            }
            
            if (Debug == true)
            }
            
            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
 
            /* Look across the version list. If there are no possible
               targets then we keep the package and bail. This is necessary


@@ -986,9 +987,26 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
               pkgCache::VerIterator Ver(Cache,*V);
               pkgCache::PkgIterator Pkg = Ver.ParentPkg();
 
               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)
               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 */
 
               /* Try to fix the package under consideration rather than
                  fiddle with the VList package */


@@ -1026,7 +1044,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                        Cache.MarkInstall(I, false, 0, false);
                     
                     if (Debug == true)
                        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
                  {                  
                  }               
                  else
                  {                  


@@ -1036,11 +1054,29 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                        if (InOr == false)
                        {
                           if (Debug == true)
                        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];
                        }
                           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 &&
+                                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);
+                       }

                     }
                  }
                                  
                     }
                  }
                                  


@@ -1050,25 +1086,17 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
               }
               else
               {
               }
               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
                  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?
                     // FIXME: use DoUpgrade(Pkg) instead?

-                    if (Cache[End] & pkgDepCache::DepGCVer) 
+                    if (Cache[End] & pkgDepCache::DepGCVer)

                     {
                        if (Debug)
                     {
                        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;
                     }
                        Cache.MarkInstall(Pkg, false, 0, false);
                        continue;
                     }


@@ -1079,7 +1107,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                     continue;
                
                  if (Debug == true)
                     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;
                  
                  LEnd->Pkg = Pkg;
                  LEnd->Dep = End;


@@ -1111,12 +1139,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                     Cache.MarkInstall(I, false, 0, false);
                  
                  if (Debug == true)
                     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)
               }               
               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);
               }
                  if (InOr == false)
                     Cache.MarkDelete(I);
               }


@@ -1146,14 +1174,14 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
                      J->Dep->Type == pkgCache::Dep::Obsoletes)
                  {
                     if (Debug == true)
                      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)
                     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);
               }
 
                  Cache.MarkKeep(J->Pkg, false, false);
               }
 


@@ -1184,13 +1212,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
       return _error->Error(_("Unable to correct problems, you have held broken packages."));
    }
    
       return _error->Error(_("Unable to correct problems, you have held broken packages."));
    }
    

-   // set the auto-flags (mvo: I'm not sure if we _really_ need this, but
-   // I didn't managed 
+   // set the auto-flags (mvo: I'm not sure if we _really_ need this)

    pkgCache::PkgIterator I = Cache.PkgBegin();
    for (;I.end() != true; I++) {
       if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) {
         if(_config->FindI("Debug::pkgAutoRemove",false)) {
    pkgCache::PkgIterator I = Cache.PkgBegin();
    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;
                      << " (now marking it as auto)" << std::endl;
         }
         Cache[I].Flags |= pkgCache::Flag::Auto;


@@ -1253,7 +1280,7 @@ bool pkgProblemResolver::ResolveByKeep()
       if ((Flags[I->ID] & Protected) == 0)
       {
         if (Debug == true)
       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)
         {
         Cache.MarkKeep(I, false, false);
         if (Cache[I].InstBroken() == false)
         {


@@ -1284,7 +1311,7 @@ bool pkgProblemResolver::ResolveByKeep()
         while (true)
         {
            if (Debug == true)
         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();
 
            // Look at all the possible provides on this package
            SPtrArray<pkgCache::Version *> VList = Start.AllTargets();


@@ -1301,7 +1328,7 @@ bool pkgProblemResolver::ResolveByKeep()
               if ((Flags[I->ID] & Protected) == 0)
               {
                  if (Debug == true)
               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);
               }
               
                  Cache.MarkKeep(Pkg, false, false);
               }
               


@@ -1326,7 +1353,7 @@ bool pkgProblemResolver::ResolveByKeep()
       
       // Restart again.
       if (K == LastStop)
       
       // 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;
    }   
       LastStop = K;
       K = PList - 1;
    }