* Swedish translation update. Closes: #592366
[apt.git] / apt-pkg / depcache.cc
index e17b7b0e82308240aeadab5d2855b6671987f046..bc663a8e954cfe811fea2efb92e1325b65719789 100644 (file)
@@ -17,6 +17,7 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/tagfile.h>
 
@@ -129,7 +130,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
    int Done = 0;
    for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++)
    {
-      if (Prog != 0)
+      if (Prog != 0 && Done%20 == 0)
         Prog->Progress(Done);
       
       // Find the proper cache slot
@@ -164,37 +165,50 @@ bool pkgDepCache::Init(OpProgress *Prog)
 bool pkgDepCache::readStateFile(OpProgress *Prog)                      /*{{{*/
 {
    FileFd state_file;
-   string state = _config->FindDir("Dir::State") + "extended_states";
+   string const state = _config->FindFile("Dir::State::extended_states");
    if(FileExists(state)) {
       state_file.Open(state, FileFd::ReadOnly);
-      int file_size = state_file.Size();
+      int const file_size = state_file.Size();
       if(Prog != NULL)
         Prog->OverallProgress(0, file_size, 1, 
                               _("Reading state information"));
 
       pkgTagFile tagfile(&state_file);
       pkgTagSection section;
-      int amt=0;
+      int amt = 0;
+      bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
       while(tagfile.Step(section)) {
-        string pkgname = section.FindS("Package");
-        pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
-        // Silently ignore unknown packages and packages with no actual
-        // version.
-        if(!pkg.end() && !pkg.VersionList().end()) {
-           short reason = section.FindI("Auto-Installed", 0);
-           if(reason > 0)
-              PkgState[pkg->ID].Flags  |= Flag::Auto;
-           if(_config->FindB("Debug::pkgAutoRemove",false))
-              std::cout << "Auto-Installed : " << pkgname << std::endl;
-           amt+=section.size();
-           if(Prog != NULL)
-              Prog->OverallProgress(amt, file_size, 1, 
-                                    _("Reading state information"));
+        string const pkgname = section.FindS("Package");
+        string pkgarch = section.FindS("Architecture");
+        if (pkgarch.empty() == true)
+           pkgarch = "any";
+        pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch);
+        // Silently ignore unknown packages and packages with no actual version.
+        if(pkg.end() == true || pkg->VersionList == 0)
+           continue;
+
+        short const reason = section.FindI("Auto-Installed", 0);
+        if(reason > 0)
+        {
+           PkgState[pkg->ID].Flags |= Flag::Auto;
+           if (unlikely(debug_autoremove))
+              std::clog << "Auto-Installed : " << pkg.FullName() << std::endl;
+           if (pkgarch == "any")
+           {
+              pkgCache::GrpIterator G = pkg.Group();
+              for (pkg = G.NextPkg(pkg); pkg.end() != true; pkg = G.NextPkg(pkg))
+                 if (pkg->VersionList != 0)
+                    PkgState[pkg->ID].Flags |= Flag::Auto;
+           }
         }
+        amt += section.size();
         if(Prog != NULL)
-           Prog->OverallProgress(file_size, file_size, 1, 
+           Prog->OverallProgress(amt, file_size, 1, 
                                  _("Reading state information"));
       }
+      if(Prog != NULL)
+        Prog->OverallProgress(file_size, file_size, 1,
+                              _("Reading state information"));
    }
 
    return true;
@@ -202,11 +216,13 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)                 /*{{{*/
                                                                        /*}}}*/
 bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/
 {
-   if(_config->FindB("Debug::pkgAutoRemove",false))
+   bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+   
+   if(debug_autoremove)
       std::clog << "pkgDepCache::writeStateFile()" << std::endl;
 
    FileFd StateFile;
-   string state = _config->FindDir("Dir::State") + "extended_states";
+   string const state = _config->FindFile("Dir::State::extended_states");
 
    // if it does not exist, create a empty one
    if(!FileExists(state)) 
@@ -221,7 +237,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)      /*{{{*/
                           state.c_str());
 
    FILE *OutFile;
-   string outfile = state + ".tmp";
+   string const outfile = state + ".tmp";
    if((OutFile = fopen(outfile.c_str(),"w")) == NULL)
       return _error->Error(_("Failed to write temporary StateFile %s"),
                           outfile.c_str());
@@ -232,46 +248,72 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)    /*{{{*/
    std::set<string> pkgs_seen;
    const char *nullreorderlist[] = {0};
    while(tagfile.Step(section)) {
-        string pkgname = section.FindS("Package");
+        string const pkgname = section.FindS("Package");
+        string pkgarch = section.FindS("Architecture");
+        if (pkgarch.empty() == true)
+           pkgarch = "native";
         // Silently ignore unknown packages and packages with no actual
         // version.
-        pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
+        pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch);
         if(pkg.end() || pkg.VersionList().end()) 
            continue;
-        bool newAuto = (PkgState[pkg->ID].Flags & Flag::Auto);
+        StateCache const &P = PkgState[pkg->ID];
+        bool newAuto = (P.Flags & Flag::Auto);
+        // skip not installed or now-removed ones if requested
+        if (InstalledOnly && (
+            (pkg->CurrentVer == 0 && P.Mode != ModeInstall) ||
+            (pkg->CurrentVer != 0 && P.Mode == ModeDelete)))
+        {
+           // The section is obsolete if it contains no other tag
+           unsigned int const count = section.Count();
+           if (count < 2 ||
+               (count == 2 && section.Exists("Auto-Installed")) ||
+               (count == 3 && section.Exists("Auto-Installed") && section.Exists("Architecture")))
+              continue;
+           else
+              newAuto = false;
+        }
         if(_config->FindB("Debug::pkgAutoRemove",false))
-           std::clog << "Update exisiting AutoInstall info: " 
-                     << pkg.Name() << std::endl;
-        TFRewriteData rewrite[2];
-        rewrite[0].Tag = "Auto-Installed";
-        rewrite[0].Rewrite = newAuto ? "1" : "0";
+           std::clog << "Update existing AutoInstall info: " 
+                     << pkg.FullName() << std::endl;
+        TFRewriteData rewrite[3];
+        rewrite[0].Tag = "Architecture";
+        rewrite[0].Rewrite = pkg.Arch();
         rewrite[0].NewTag = 0;
-        rewrite[1].Tag = 0;
+        rewrite[1].Tag = "Auto-Installed";
+        rewrite[1].Rewrite = newAuto ? "1" : "0";
+        rewrite[1].NewTag = 0;
+        rewrite[2].Tag = 0;
         TFRewrite(OutFile, section, nullreorderlist, rewrite);
         fprintf(OutFile,"\n");
-        pkgs_seen.insert(pkgname);
+        pkgs_seen.insert(pkg.FullName());
    }
    
    // then write the ones we have not seen yet
    std::ostringstream ostr;
    for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); pkg++) {
-      if(PkgState[pkg->ID].Flags & Flag::Auto) {
-        if (pkgs_seen.find(pkg.Name()) != pkgs_seen.end()) {
-           if(_config->FindB("Debug::pkgAutoRemove",false))
-              std::clog << "Skipping already written " << pkg.Name() << std::endl;
+      StateCache const &P = PkgState[pkg->ID];
+      if(P.Flags & Flag::Auto) {
+        if (pkgs_seen.find(pkg.FullName()) != pkgs_seen.end()) {
+           if(debug_autoremove)
+              std::clog << "Skipping already written " << pkg.FullName() << std::endl;
            continue;
         }
-         // skip not installed ones if requested
-         if(InstalledOnly && pkg->CurrentVer == 0)
-            continue;
-        if(_config->FindB("Debug::pkgAutoRemove",false))
-           std::clog << "Writing new AutoInstall: " 
-                     << pkg.Name() << std::endl;
+        // skip not installed ones if requested
+        if (InstalledOnly && (
+            (pkg->CurrentVer == 0 && P.Mode != ModeInstall) ||
+            (pkg->CurrentVer != 0 && P.Mode == ModeDelete)))
+           continue;
+        const char* const pkgarch = pkg.Arch();
+        if (strcmp(pkgarch, "all") == 0)
+           continue;
+        if(debug_autoremove)
+           std::clog << "Writing new AutoInstall: " << pkg.FullName() << std::endl;
         ostr.str(string(""));
-        ostr << "Package: " << pkg.Name() 
+        ostr << "Package: " << pkg.Name()
+             << "\nArchitecture: " << pkgarch
              << "\nAuto-Installed: 1\n\n";
         fprintf(OutFile,"%s",ostr.str().c_str());
-        fprintf(OutFile,"\n");
       }
    }
    fclose(OutFile);
@@ -296,7 +338,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
    /* Check simple depends. A depends -should- never self match but 
       we allow it anyhow because dpkg does. Technically it is a packaging
       bug. Conflicts may never self match */
-   if (Dep.TargetPkg() != Dep.ParentPkg() || 
+   if (Dep.TargetPkg()->Group != Dep.ParentPkg()->Group ||
        (Dep->Type != Dep::Conflicts && Dep->Type != Dep::DpkgBreaks && Dep->Type != Dep::Obsoletes))
    {
       PkgIterator Pkg = Dep.TargetPkg();
@@ -325,9 +367,9 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
    PkgIterator Pkg = Dep.ParentPkg();
    for (; P.end() != true; P++)
    {
-      /* Provides may never be applied against the same package if it is
-         a conflicts. See the comment above. */
-      if (P.OwnerPkg() == Pkg &&
+      /* Provides may never be applied against the same package (or group)
+         if it is a conflicts. See the comment above. */
+      if (P.OwnerPkg()->Group == Pkg->Group &&
          (Dep->Type == Dep::Conflicts || Dep->Type == Dep::DpkgBreaks))
         continue;
       
@@ -365,8 +407,11 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
                                                                        /*}}}*/
 // DepCache::AddSizes - Add the packages sizes to the counters         /*{{{*/
 // ---------------------------------------------------------------------
-/* Call with Mult = -1 to preform the inverse opration */
-void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
+/* Call with Mult = -1 to preform the inverse opration
+   The Mult increases the complexity of the calulations here and is unused -
+   or do we really have a usecase for removing the size of a package two
+   times? So let us replace it with a simple bool and be done with it… */
+__deprecated void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
 {
    StateCache &P = PkgState[Pkg->ID];
    
@@ -380,8 +425,8 @@ void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
    // Compute the size data
    if (P.NewInstall() == true)
    {
-      iUsrSize += (signed)(Mult*P.InstVerIter(*this)->InstalledSize);
-      iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size);
+      iUsrSize += (signed long long)(Mult*P.InstVerIter(*this)->InstalledSize);
+      iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
       return;
    }
    
@@ -390,9 +435,9 @@ void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
        (P.InstallVer != (Version *)Pkg.CurrentVer() || 
        (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0)
    {
-      iUsrSize += (signed)(Mult*((signed)P.InstVerIter(*this)->InstalledSize - 
-                       (signed)Pkg.CurrentVer()->InstalledSize));
-      iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size);
+      iUsrSize += (signed long long)(Mult*((signed long long)P.InstVerIter(*this)->InstalledSize - 
+                       (signed long long)Pkg.CurrentVer()->InstalledSize));
+      iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
       return;
    }
    
@@ -400,14 +445,80 @@ void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult)
    if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack &&
        P.Delete() == false)
    {
-      iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size);
+      iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size);
       return;
    }
    
    // Removing
    if (Pkg->CurrentVer != 0 && P.InstallVer == 0)
    {
-      iUsrSize -= (signed)(Mult*Pkg.CurrentVer()->InstalledSize);
+      iUsrSize -= (signed long long)(Mult*Pkg.CurrentVer()->InstalledSize);
+      return;
+   }   
+}
+                                                                       /*}}}*/
+// DepCache::AddSizes - Add the packages sizes to the counters         /*{{{*/
+// ---------------------------------------------------------------------
+/* Call with Inverse = true to preform the inverse opration */
+void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const &Inverse)
+{
+   StateCache &P = PkgState[Pkg->ID];
+   
+   if (Pkg->VersionList == 0)
+      return;
+   
+   if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && 
+       P.Keep() == true)
+      return;
+   
+   // Compute the size data
+   if (P.NewInstall() == true)
+   {
+      if (Inverse == false) {
+        iUsrSize += P.InstVerIter(*this)->InstalledSize;
+        iDownloadSize += P.InstVerIter(*this)->Size;
+      } else {
+        iUsrSize -= P.InstVerIter(*this)->InstalledSize;
+        iDownloadSize -= P.InstVerIter(*this)->Size;
+      }
+      return;
+   }
+   
+   // Upgrading
+   if (Pkg->CurrentVer != 0 && 
+       (P.InstallVer != (Version *)Pkg.CurrentVer() || 
+       (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0)
+   {
+      if (Inverse == false) {
+        iUsrSize -= Pkg.CurrentVer()->InstalledSize;
+        iUsrSize += P.InstVerIter(*this)->InstalledSize;
+        iDownloadSize += P.InstVerIter(*this)->Size;
+      } else {
+        iUsrSize -= P.InstVerIter(*this)->InstalledSize;
+        iUsrSize += Pkg.CurrentVer()->InstalledSize;
+        iDownloadSize -= P.InstVerIter(*this)->Size;
+      }
+      return;
+   }
+   
+   // Reinstall
+   if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack &&
+       P.Delete() == false)
+   {
+      if (Inverse == false)
+        iDownloadSize += P.InstVerIter(*this)->Size;
+      else
+        iDownloadSize -= P.InstVerIter(*this)->Size;
+      return;
+   }
+   
+   // Removing
+   if (Pkg->CurrentVer != 0 && P.InstallVer == 0)
+   {
+      if (Inverse == false)
+        iUsrSize -= Pkg.CurrentVer()->InstalledSize;
+      else
+        iUsrSize += Pkg.CurrentVer()->InstalledSize;
       return;
    }   
 }
@@ -593,6 +704,107 @@ void pkgDepCache::UpdateVerState(PkgIterator Pkg)
    }
 }
                                                                        /*}}}*/
+// DepCache::RemovePseudoInstalledPkg - MultiArch helper for Update()  /*{{{*/
+// ---------------------------------------------------------------------
+/* We "install" arch all packages for all archs if it is installed. Many
+   of these will be broken. This method will look at these broken Pkg and
+   "remove" it. */
+bool pkgDepCache::RemovePseudoInstalledPkg(PkgIterator &Pkg, std::set<unsigned long> &recheck) {
+   if (unlikely(Pkg->CurrentVer == 0))
+      return false;
+
+   VerIterator V = Pkg.CurrentVer();
+   if (V->MultiArch != Version::All)
+      return false;
+
+   // Never ever kill an "all" package - they have no dependency so they can't be broken
+   if (strcmp(Pkg.Arch(),"all") == 0)
+      return false;
+
+   unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+   if ((CurDepState & DepInstMin) == DepInstMin) {
+      // okay, the package isn't broken, but is the package also required?
+      // If it has no real dependencies, no installed rdepends and doesn't
+      // provide something of value, we will kill it as not required.
+      // These pseudopackages have otherwise interesting effects if they get
+      // a new dependency in a newer version…
+      for (pkgCache::DepIterator D = V.DependsList();
+          D.end() != true; ++D)
+        if (D.IsCritical() == true && D.ParentPkg()->Group != Pkg->Group)
+           return false;
+      for (DepIterator D = Pkg.RevDependsList(); D.end() != true; ++D)
+      {
+        if (D.IsCritical() == false)
+           continue;
+        PkgIterator const P = D.ParentPkg();
+        if (P->Group == Pkg->Group)
+           continue;
+        if (P->CurrentVer != 0)
+           return false;
+      }
+      for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++)
+        for (DepIterator d = Prv.ParentPkg().RevDependsList();
+             d.end() != true; ++d)
+        {
+           PkgIterator const P = d.ParentPkg();
+           if (P->CurrentVer != 0 &&
+               P->Group != Pkg->Group)
+              return false;
+        }
+   }
+
+   // Dependencies for this arch all package are not statisfied
+   // so we installed it only for our convenience: get right of it now.
+   RemoveSizes(Pkg);
+   RemoveStates(Pkg);
+
+   Pkg->CurrentVer = 0;
+   PkgState[Pkg->ID].InstallVer = 0;
+
+   AddStates(Pkg);
+   Update(Pkg);
+   AddSizes(Pkg);
+
+   // After the remove previously satisfied pseudo pkg could be now
+   // no longer satisfied, so we need to recheck the reverse dependencies
+   for (DepIterator d = Pkg.RevDependsList(); d.end() != true; ++d)
+   {
+      PkgIterator const P = d.ParentPkg();
+      if (P->CurrentVer != 0)
+        recheck.insert(P.Index());
+   }
+
+   for (DepIterator d = V.DependsList(); d.end() != true; ++d)
+   {
+      PkgIterator const P = d.TargetPkg();
+      for (PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv)
+      {
+        PkgIterator const O = Prv.OwnerPkg();
+        if (O->CurrentVer != 0)
+           recheck.insert(O.Index());
+      }
+
+      if (P->CurrentVer != 0)
+        recheck.insert(P.Index());
+   }
+
+   for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++)
+   {
+      for (DepIterator d = Prv.ParentPkg().RevDependsList();
+          d.end() != true; ++d)
+      {
+        PkgIterator const P = d.ParentPkg();
+        if (P->CurrentVer == 0)
+           continue;
+
+           recheck.insert(P.Index());
+      }
+   }
+
+
+   return true;
+}
+                                                                       /*}}}*/
 // DepCache::Update - Figure out all the state information             /*{{{*/
 // ---------------------------------------------------------------------
 /* This will figure out the state of all the packages and all the 
@@ -606,9 +818,13 @@ void pkgDepCache::Update(OpProgress *Prog)
    iKeepCount = 0;
    iBrokenCount = 0;
    iBadCount = 0;
-   
+
+   std::set<unsigned long> recheck;
+
    // Perform the depends pass
    int Done = 0;
+   bool const checkMultiArch = APT::Configuration::getArchitectures().size() > 1;
+   unsigned long killed = 0;
    for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++)
    {
       if (Prog != 0 && Done%20 == 0)
@@ -616,7 +832,7 @@ void pkgDepCache::Update(OpProgress *Prog)
       for (VerIterator V = I.VersionList(); V.end() != true; V++)
       {
         unsigned char Group = 0;
-        
+
         for (DepIterator D = V.DependsList(); D.end() != true; D++)
         {
            // Build the dependency state.
@@ -634,21 +850,158 @@ void pkgDepCache::Update(OpProgress *Prog)
                D->Type == Dep::DpkgBreaks ||
                D->Type == Dep::Obsoletes)
               State = ~State;
-        }       
+        }
       }
 
-      // Compute the pacakge dependency state and size additions
+      // Compute the package dependency state and size additions
       AddSizes(I);
       UpdateVerState(I);
       AddStates(I);
+
+      if (checkMultiArch != true || I->CurrentVer == 0)
+        continue;
+
+      VerIterator const V = I.CurrentVer();
+      if (V->MultiArch != Version::All)
+        continue;
+
+      recheck.insert(I.Index());
+      --Done; // no progress if we need to recheck the package
    }
 
-   if (Prog != 0)      
+   if (checkMultiArch == true) {
+      /* FIXME: recheck breaks proper progress reporting as we don't know
+               how many packages we need to recheck. To lower the effect
+               a bit we increase with a kill, but we should do something more clever… */
+      while(recheck.empty() == false)
+        for (std::set<unsigned long>::const_iterator p = recheck.begin();
+            p != recheck.end();) {
+           if (Prog != 0 && Done%20 == 0)
+              Prog->Progress(Done);
+           PkgIterator P = PkgIterator(*Cache, Cache->PkgP + *p);
+           if (RemovePseudoInstalledPkg(P, recheck) == true) {
+              ++killed;
+              ++Done;
+           }
+           recheck.erase(p++);
+        }
+
+      /* Okay, we have killed a great amount of pseudopackages -
+        we have killed so many that we have now arch "all" packages
+        without an installed pseudo package, but we NEED an installed
+        pseudo package, so we will search now for a pseudo package
+        we can install without breaking everything. */
+      for (GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G)
+      {
+        PkgIterator P = G.FindPkg("all");
+        if (P.end() == true)
+           continue;
+        if (P->CurrentVer == 0)
+           continue;
+        bool installed = false;
+        for (P = G.FindPkg("any"); P.end() != true; P = G.NextPkg(P))
+        {
+           if (strcmp(P.Arch(), "all") == 0)
+              continue;
+           if (P->CurrentVer == 0)
+              continue;
+           installed = true;
+           break;
+        }
+        if (installed == false)
+           recheck.insert(G.Index());
+      }
+
+      while (recheck.empty() != true)
+      {
+        std::set<unsigned long>::const_iterator g = recheck.begin();
+        unsigned long const G = *g;
+        recheck.erase(g);
+        if (unlikely(ReInstallPseudoForGroup(G, recheck) == false))
+           _error->Warning(_("Internal error, group '%s' has no installable pseudo package"), GrpIterator(*Cache, Cache->GrpP + G).Name());
+      }
+   }
+
+   if (Prog != 0)
       Prog->Progress(Done);
 
    readStateFile(Prog);
 }
                                                                        /*}}}*/
+// DepCache::ReInstallPseudoForGroup - MultiArch helper for Update()   /*{{{*/
+// ---------------------------------------------------------------------
+/* RemovePseudoInstalledPkg() is very successful. It even kills packages
+   to an amount that no pseudo package is left, but we need a pseudo package
+   for upgrading senarios so we need to reinstall one pseudopackage which
+   doesn't break everything. Thankfully we can't have architecture depending
+   negative dependencies so this problem is already eliminated */
+bool pkgDepCache::ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set<unsigned long> &recheck)
+{
+   if (P->CurrentVer != 0)
+      return true;
+   // recursive call for packages which provide this package
+   for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv)
+      ReInstallPseudoForGroup(Prv.OwnerPkg(), recheck);
+   // check if we actually need to look at this group
+   unsigned long const G = P->Group;
+   std::set<unsigned long>::const_iterator Pi = recheck.find(G);
+   if (Pi == recheck.end())
+      return true;
+   recheck.erase(Pi); // remove here, so we can't fall into an endless loop
+   if (unlikely(ReInstallPseudoForGroup(G, recheck) == false))
+   {
+      recheck.insert(G);
+      return false;
+   }
+   return true;
+}
+bool pkgDepCache::ReInstallPseudoForGroup(unsigned long const &G, std::set<unsigned long> &recheck)
+{
+   std::vector<std::string> static const Archs = APT::Configuration::getArchitectures();
+   pkgCache::GrpIterator Grp(*Cache, Cache->GrpP + G);
+   if (unlikely(Grp.end() == true))
+      return false;
+   for (std::vector<std::string>::const_iterator a = Archs.begin();
+        a != Archs.end(); ++a)
+   {
+      pkgCache::PkgIterator P = Grp.FindPkg(*a);
+      if (P.end() == true)
+        continue;
+      pkgCache::VerIterator allV = Grp.FindPkg("all").CurrentVer();
+      for (VerIterator V = P.VersionList(); V.end() != true; ++V)
+      {
+        // search for the same version as the all package
+        if (allV->Hash != V->Hash || strcmp(allV.VerStr(),V.VerStr()) != 0)
+           continue;
+        unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+        // If it is broken, try to install dependencies first before retry
+        if ((CurDepState & DepInstMin) != DepInstMin)
+        {
+           for (pkgCache::DepIterator D = V.DependsList(); D.end() != true; ++D)
+           {
+              if (D->Type != pkgCache::Dep::PreDepends && D->Type != pkgCache::Dep::Depends)
+                 continue;
+              ReInstallPseudoForGroup(D.TargetPkg(), recheck);
+           }
+           unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+           // if package ist still broken… try another arch
+           if ((CurDepState & DepInstMin) != DepInstMin)
+              break;
+        }
+        // dependencies satisfied: reinstall the package
+        RemoveSizes(P);
+        RemoveStates(P);
+        P->CurrentVer = V.Index();
+        PkgState[P->ID].InstallVer = V;
+        AddStates(P);
+        Update(P);
+        AddSizes(P);
+        return true;
+      }
+   }
+   return false;
+}
+                                                                       /*}}}*/
 // DepCache::Update - Update the deps list of a package                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This is a helper for update that only does the dep portion of the scan. 
@@ -810,6 +1163,10 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
    AddStates(Pkg);   
    Update(Pkg);
    AddSizes(Pkg);
+
+   // if we remove the pseudo package, we also need to remove the "real"
+   if (Pkg->CurrentVer != 0 && Pkg.CurrentVer().Pseudo() == true)
+      MarkDelete(Pkg.Group().FindPkg("all"), rPurge, Depth+1, FromUser);
 }
                                                                        /*}}}*/
 // DepCache::IsDeleteOk - check if it is ok to remove this package     /*{{{*/
@@ -820,7 +1177,7 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
 bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
                              unsigned long Depth, bool FromUser)
 {
-   if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold)
+   if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false)
    {
       if (DebugMarker == true)
         std::clog << OutputInDepth(Depth) << "Hold prevents MarkDelete of " << Pkg << " FU=" << FromUser << std::endl;
@@ -898,6 +1255,10 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
    Update(Pkg);
    AddSizes(Pkg);
 
+   // always trigger the install of the all package for a pseudo package
+   if (P.CandidateVerIter(*Cache).Pseudo() == true)
+      MarkInstall(Pkg.Group().FindPkg("all"), AutoInst, Depth, FromUser, ForceImportantDeps);
+
    if (AutoInst == false)
       return;
 
@@ -1082,7 +1443,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
                              unsigned long Depth, bool FromUser)
 {
-   if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold)
+   if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false)
    {
       if (DebugMarker == true)
         std::clog << OutputInDepth(Depth) << "Hold prevents MarkInstall of " << Pkg << " FU=" << FromUser << std::endl;
@@ -1096,6 +1457,9 @@ bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
 /* */
 void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
 {
+   if (unlikely(Pkg.end() == true))
+      return;
+
    ActionGroup group(*this);
 
    RemoveSizes(Pkg);
@@ -1109,12 +1473,17 @@ void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
    
    AddStates(Pkg);
    AddSizes(Pkg);
+
+   if (unlikely(Pkg.CurrentVer().end() == true) || Pkg.CurrentVer().Pseudo() == false)
+      return;
+
+   SetReInstall(Pkg.Group().FindPkg("all"), To);
 }
                                                                        /*}}}*/
 // DepCache::SetCandidateVersion - Change the candidate version                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgDepCache::SetCandidateVersion(VerIterator TargetVer)
+void pkgDepCache::SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo)
 {
    ActionGroup group(*this);
 
@@ -1132,6 +1501,28 @@ void pkgDepCache::SetCandidateVersion(VerIterator TargetVer)
    AddStates(Pkg);
    Update(Pkg);
    AddSizes(Pkg);
+
+   if (TargetVer.Pseudo() == false || Pseudo == false)
+      return;
+
+   // the version was pseudo: set all other pseudos also
+   pkgCache::GrpIterator Grp = Pkg.Group();
+   for (Pkg = Grp.FindPkg("any"); Pkg.end() == false; ++Pkg)
+   {
+      StateCache &P = PkgState[Pkg->ID];
+      if (TargetVer.SimilarVer(P.CandidateVerIter(*this)) == true ||
+         (P.CandidateVerIter(*this).Pseudo() == false &&
+          strcmp(Pkg.Arch(), "all") != 0))
+        continue;
+
+      for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+      {
+        if (TargetVer.SimilarVer(Ver) == false)
+           continue;
+        SetCandidateVersion(Ver, false);
+        break;
+      }
+   }
 }
 
 void pkgDepCache::MarkAuto(const PkgIterator &Pkg, bool Auto)
@@ -1194,7 +1585,7 @@ const char *pkgDepCache::StateCache::StripEpoch(const char *Ver)
 // ---------------------------------------------------------------------
 /* The default just returns the highest available version that is not
    a source and automatic. */
-pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg)
+pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator const &Pkg)
 {
    /* Not source/not automatic versions cannot be a candidate version 
       unless they are already installed */
@@ -1229,7 +1620,7 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg)
 // Policy::IsImportantDep - True if the dependency is important                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep)
+bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep)
 {
    if(Dep.IsCritical())
       return true;
@@ -1248,54 +1639,6 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep)
    else if(Dep->Type == pkgCache::Dep::Suggests)
      return _config->FindB("APT::Install-Suggests", false);
 
-   return false;
-}
-                                                                       /*}}}*/
-pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc()                  /*{{{*/
-  : constructedSuccessfully(false)
-{
-  Configuration::Item const *Opts;
-  Opts = _config->Tree("APT::NeverAutoRemove");
-  if (Opts != 0 && Opts->Child != 0)
-    {
-      Opts = Opts->Child;
-      for (; Opts != 0; Opts = Opts->Next)
-       {
-         if (Opts->Value.empty() == true)
-           continue;
-
-         regex_t *p = new regex_t;
-         if(regcomp(p,Opts->Value.c_str(),
-                    REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
-           {
-             regfree(p);
-             delete p;
-             _error->Error("Regex compilation error for APT::NeverAutoRemove");
-             return;
-           }
-
-         rootSetRegexp.push_back(p);
-       }
-    }
-
-  constructedSuccessfully = true;
-}
-                                                                       /*}}}*/
-pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc()                 /*{{{*/
-{
-  for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
-    {
-      regfree(rootSetRegexp[i]);
-      delete rootSetRegexp[i];
-    }
-}
-                                                                       /*}}}*/
-bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg) /*{{{*/
-{
-   for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
-      if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0)
-        return true;
-
    return false;
 }
                                                                        /*}}}*/
@@ -1326,6 +1669,7 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
 {
    bool follow_recommends;
    bool follow_suggests;
+   bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
 
    // init the states
    for(PkgIterator p = PkgBegin(); !p.end(); ++p)
@@ -1334,9 +1678,8 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
       PkgState[p->ID].Garbage = false;
 
       // debug output
-      if(_config->FindB("Debug::pkgAutoRemove",false) 
-        && PkgState[p->ID].Flags & Flag::Auto)
-        std::clog << "AutoDep: " << p.Name() << std::endl;
+      if(debug_autoremove && PkgState[p->ID].Flags & Flag::Auto)
+        std::clog << "AutoDep: " << p.FullName() << std::endl;
    }
 
    // init vars
@@ -1350,8 +1693,11 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
    {
       if(!(PkgState[p->ID].Flags & Flag::Auto) ||
          (p->Flags & Flag::Essential) ||
-         userFunc.InRootSet(p))
-          
+         userFunc.InRootSet(p) ||
+         // be nice even then a required package violates the policy (#583517)
+         // and do the full mark process also for required packages
+         (p.CurrentVer().end() != true &&
+          p.CurrentVer()->Priority == pkgCache::State::Required))
       {
         // the package is installed (and set to keep)
         if(PkgState[p->ID].Keep() && !p.CurrentVer().end())
@@ -1370,13 +1716,18 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
 // MarkPackage - mark a single package in Mark-and-Sweep               /*{{{*/
 void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
                              const pkgCache::VerIterator &ver,
-                             bool follow_recommends,
-                             bool follow_suggests)
+                             bool const &follow_recommends,
+                             bool const &follow_suggests)
 {
    pkgDepCache::StateCache &state = PkgState[pkg->ID];
-   VerIterator currver            = pkg.CurrentVer();
-   VerIterator candver            = state.CandidateVerIter(*this);
-   VerIterator instver            = state.InstVerIter(*this);
+
+   // if we are marked already we are done
+   if(state.Marked)
+      return;
+
+   VerIterator const currver = pkg.CurrentVer();
+   VerIterator const candver = state.CandidateVerIter(*this);
+   VerIterator const instver = state.InstVerIter(*this);
 
 #if 0
    // If a package was garbage-collected but is now being marked, we
@@ -1402,13 +1753,11 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
       !(ver == currver && instver.end() && !ver.end()))
       return;
 
-   // if we are marked already we are done
-   if(state.Marked)
-      return;
+   bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove", false);
 
-   if(_config->FindB("Debug::pkgAutoRemove",false))
+   if(debug_autoremove)
      {
-       std::clog << "Marking: " << pkg.Name();
+       std::clog << "Marking: " << pkg.FullName();
        if(!ver.end())
         std::clog << " " << ver.VerStr();
        if(!currver.end())
@@ -1420,8 +1769,31 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
 
    state.Marked=true;
 
-   if(!ver.end())
+   if(ver.end() == true)
+      return;
+
+   // If the version belongs to a Multi-Arch all package
+   // we will mark all others in this Group with this version also
+   if (ver->MultiArch == pkgCache::Version::All &&
+       strcmp(ver.Arch(true), "all") == 0)
    {
+      GrpIterator G = pkg.Group();
+      const char* const VerStr = ver.VerStr();
+      for (PkgIterator P = G.FindPkg("any");
+          P.end() != true; P = G.NextPkg(P))
+      {
+        for (VerIterator V = P.VersionList();
+             V.end() != true; ++V)
+        {
+           if (ver->Hash != V->Hash ||
+               strcmp(VerStr, V.VerStr()) != 0)
+              continue;
+           MarkPackage(P, V, follow_recommends, follow_suggests);
+           break;
+        }
+      }
+   }
+
      for(DepIterator d = ver.DependsList(); !d.end(); ++d)
      {
        if(d->Type == Dep::Depends ||
@@ -1437,12 +1809,11 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
           {
              if(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
              {
-               if(_config->FindB("Debug::pkgAutoRemove",false))
+               if(debug_autoremove)
                  {
-                   std::clog << "Following dep: " << d.ParentPkg().Name()
+                   std::clog << "Following dep: " << d.ParentPkg().FullName()
                              << " " << d.ParentVer().VerStr() << " "
-                             << d.DepType() << " "
-                             << d.TargetPkg().Name();
+                             << d.DepType() << " " << d.TargetPkg().FullName();
                    if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
                      {
                        std::clog << " (" << d.CompType() << " "
@@ -1450,7 +1821,7 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
                      }
                    std::clog << std::endl;
                  }
-                MarkPackage(V.ParentPkg(), V, 
+                MarkPackage(V.ParentPkg(), V,
                             follow_recommends, follow_suggests);
              }
           }
@@ -1461,19 +1832,18 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
              if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp, 
                                       d.TargetVer()))
              {
-               if(_config->FindB("Debug::pkgAutoRemove",false))
+               if(debug_autoremove)
                  {
-                   std::clog << "Following dep: " << d.ParentPkg().Name()
-                             << " " << d.ParentVer().VerStr() << " "
-                             << d.DepType() << " "
-                             << d.TargetPkg().Name();
+                   std::clog << "Following dep: " << d.ParentPkg().FullName() << " "
+                             << d.ParentVer().VerStr() << " "
+                             << d.DepType() << " " << d.TargetPkg().FullName() << " ";
                    if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp)
                      {
                        std::clog << " (" << d.CompType() << " "
                                  << d.TargetVer() << ")";
                      }
                    std::clog << ", provided by "
-                             << prv.OwnerPkg().Name() << " "
+                             << prv.OwnerPkg().FullName() << " "
                              << prv.OwnerVer().VerStr()
                              << std::endl;
                  }
@@ -1484,14 +1854,15 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
           }
        }
      }
-   }
 }
                                                                        /*}}}*/
 bool pkgDepCache::Sweep()                                              /*{{{*/
 {
+   bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+
    // do the sweep
    for(PkgIterator p=PkgBegin(); !p.end(); ++p)
-  {
+   {
      StateCache &state=PkgState[p->ID];
 
      // skip required packages
@@ -1503,8 +1874,8 @@ bool pkgDepCache::Sweep()                                         /*{{{*/
      if(!state.Marked && (!p.CurrentVer().end() || state.Install()))
      {
        state.Garbage=true;
-       if(_config->FindB("Debug::pkgAutoRemove",false))
-          std::cout << "Garbage: " << p.Name() << std::endl;
+       if(debug_autoremove)
+          std::clog << "Garbage: " << p.FullName() << std::endl;
      }
   }