Only stop on SigInt if the system state is right (still needs more testing).

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

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index cff34058ca997c7f5eb7faa0b75918a620b42816..324b7ffba46c761f9e8409186804349aa367ce64 100644 (file)
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -29,6 +29,8 @@
                                                                        /*}}}*/
 using namespace std;
 
                                                                        /*}}}*/
 using namespace std;
 

+bool pkgPackageManager::SigINTStop = false;
+

 // PM::PackageManager - Constructor                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // PM::PackageManager - Constructor                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -81,9 +83,6 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
       if (List->IsNow(Pkg) == false)
         continue;
 
       if (List->IsNow(Pkg) == false)
         continue;
 

-      if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == true)
-        continue;
-

       new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache),
                        FileNames[Pkg->ID]);
    }
       new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache),
                        FileNames[Pkg->ID]);
    }


@@ -169,7 +168,11 @@ bool pkgPackageManager::CreateOrderList()
    delete List;
    List = new pkgOrderList(&Cache);
    
    delete List;
    List = new pkgOrderList(&Cache);
    

-   static bool const NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true);
+   NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true);
+   ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false);
+   
+   if (Debug && ImmConfigureAll) 
+      clog << "CreateOrderList(): Adding Immediate flag for all packages because of APT::Immediate-Configure-All" << endl;

    
    // Generate the list of affected packages and sort it
    for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
    
    // Generate the list of affected packages and sort it
    for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)


@@ -179,19 +182,21 @@ bool pkgPackageManager::CreateOrderList()
         continue;
       
       // Mark the package and its dependends for immediate configuration
         continue;
       
       // Mark the package and its dependends for immediate configuration

-      if (((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
+      if ((((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||

           (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) &&
           (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) &&

-         NoImmConfigure == false)
+         NoImmConfigure == false) || ImmConfigureAll)

       {
       {

-        if(Debug)
+        if(Debug && !ImmConfigureAll)

            clog << "CreateOrderList(): Adding Immediate flag for " << I.Name() << endl;
         List->Flag(I,pkgOrderList::Immediate);
            clog << "CreateOrderList(): Adding Immediate flag for " << I.Name() << endl;
         List->Flag(I,pkgOrderList::Immediate);

-
-        // Look for other install packages to make immediate configurea
-        ImmediateAdd(I, true);

         
         

-        // And again with the current version.
-        ImmediateAdd(I, false);
+        if (!ImmConfigureAll) {
+           // Look for other install packages to make immediate configurea
+           ImmediateAdd(I, true);
+         
+           // And again with the current version.
+           ImmediateAdd(I, false);
+        }

       }
       
       // Not interesting
       }
       
       // Not interesting


@@ -259,7 +264,8 @@ bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D,
 // PM::ConfigureAll - Run the all out configuration                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This configures every package. It is assumed they are all unpacked and
 // PM::ConfigureAll - Run the all out configuration                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This configures every package. It is assumed they are all unpacked and

-   that the final configuration is valid. */
+   that the final configuration is valid. This is also used to catch packages
+   that have not been configured when using ImmConfigureAll */

 bool pkgPackageManager::ConfigureAll()
 {
    pkgOrderList OList(&Cache);
 bool pkgPackageManager::ConfigureAll()
 {
    pkgOrderList OList(&Cache);


@@ -280,11 +286,15 @@ bool pkgPackageManager::ConfigureAll()
    for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
    for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
    {
       PkgIterator Pkg(Cache,*I);

+      
+      /* Check if the package has been configured, this can happen if SmartConfigure
+         calls its self */ 
+      if (List->IsFlag(Pkg,pkgOrderList::Configured)) continue;

 
 

-      if (ConfigurePkgs == true &&
-         pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false &&
-         Configure(Pkg) == false)
+      if (ConfigurePkgs == true && SmartConfigure(Pkg) == false) {
+         _error->Error("Internal error, packages left unconfigured. %s",Pkg.Name());

         return false;
         return false;

+      }

       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
    }
       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
    }


@@ -294,123 +304,145 @@ bool pkgPackageManager::ConfigureAll()
                                                                        /*}}}*/
 // PM::SmartConfigure - Perform immediate configuration of the pkg     /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // PM::SmartConfigure - Perform immediate configuration of the pkg     /*{{{*/
 // ---------------------------------------------------------------------

-/* This routine scheduals the configuration of the given package and all
-   of it's dependents. */
+/* This routine trys to put the system in a state where Pkg can be configured,
+   this involves checking each of Pkg's dependanies and unpacking and 
+   configuring packages where needed. */

 bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
 {
    if (Debug == true)
       clog << "SmartConfigure " << Pkg.Name() << endl;
 bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
 {
    if (Debug == true)
       clog << "SmartConfigure " << Pkg.Name() << endl;

-
-   pkgOrderList OList(&Cache);
-
-   if (DepAdd(OList,Pkg) == false)
-      return false;
-
-   static std::string const conf = _config->Find("PackageManager::Configure","all");
-   static bool const ConfigurePkgs = (conf == "all" || conf == "smart");
-
-   if (ConfigurePkgs == true)
-      if (OList.OrderConfigure() == false)
-        return false;
-
-   // Perform the configuring
-   for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
-   {
-      PkgIterator Pkg(Cache,*I);

       
       

-      if (ConfigurePkgs == true &&
-         pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false &&
-         Configure(Pkg) == false)
-        return false;
+   VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);

       
       

-      List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
-   }
-
-   // Sanity Check
-   if (List->IsFlag(Pkg,pkgOrderList::Configured) == false)
-      return _error->Error(_("Could not perform immediate configuration on '%s'. "
-                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1);
-
-   return true;
-}
-                                                                       /*}}}*/
-// PM::DepAdd - Add all dependents to the oder list                    /*{{{*/
-// ---------------------------------------------------------------------
-/* This recursively adds all dependents to the order list */
-bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth)
-{
-   if (OList.IsFlag(Pkg,pkgOrderList::Added) == true)
-      return true;
-   if (List->IsFlag(Pkg,pkgOrderList::Configured) == true)
-      return true;
-   if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == false)
-      return false;
-
-   if (Debug) 
-      std::clog << OutputInDepth(Depth) << "DepAdd: " << Pkg.Name() << std::endl;
-      
-   // Put the package on the list
-   OList.push_back(Pkg);
-   OList.Flag(Pkg,pkgOrderList::Added);
-   Depth++;
-
-   // Check the dependencies to see if they are all satisfied.
+   /* Because of the ordered list, most dependancies should be unpacked, 
+      however if there is a loop this is not the case, so check for dependancies before configuring.
+      This is done after the package installation as it makes it easier to deal with conflicts problems */

    bool Bad = false;
    bool Bad = false;

-   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); D.end() == false;)
+   for (DepIterator D = instVer.DependsList();
+       D.end() == false; )

    {
    {

-      if (D->Type != pkgCache::Dep::Depends && D->Type != pkgCache::Dep::PreDepends)
-      {
-        D++;
-        continue;
-      }
+      // Compute a single dependency element (glob or)
+      pkgCache::DepIterator Start;
+      pkgCache::DepIterator End;
+      D.GlobOr(Start,End);

       
       

-      // Grok or groups
-      Bad = true;
-      for (bool LastOR = true; D.end() == false && LastOR == true; D++)
-      {
-        LastOR = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
-        
-        if (Bad == false)
-           continue;
-
-        SPtrArray<Version *> VList = D.AllTargets();
-        for (Version **I = VList; *I != 0 && Bad == true; I++)
-        {
+      if (End->Type == pkgCache::Dep::Depends) 
+          Bad = true;
+
+      // Check for dependanices that have not been unpacked, probably due to loops.
+      while (End->Type == pkgCache::Dep::Depends) {
+         PkgIterator DepPkg;
+         VerIterator InstallVer;
+         SPtrArray<Version *> VList = Start.AllTargets();
+         
+        for (Version **I = VList; *I != 0; I++) {

            VerIterator Ver(Cache,*I);
            VerIterator Ver(Cache,*I);

-           PkgIterator Pkg = Ver.ParentPkg();
-
-           // See if the current version is ok
-           if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true && 
-               Pkg.State() == PkgIterator::NeedsNothing)
+           DepPkg = Ver.ParentPkg();
+           
+           if (!Bad) continue;
+              
+           InstallVer = VerIterator(Cache,Cache[DepPkg].InstallVer);
+           //VerIterator CandVer(Cache,Cache[DepPkg].CandidateVer);
+           
+           if (Debug && false) {
+              if (Ver==0) {
+                 cout << "  Checking if " << Ver << " of " << DepPkg.Name() << " satisfies this dependancy" << endl;
+              } else {
+                 cout << "  Checking if " << Ver.VerStr() << " of " << DepPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (DepPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << DepPkg.CurrentVer() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << DepPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
+               //if (CandVer != 0)
+               //   cout << "    CandVer " << CandVer.VerStr() << endl; 
+
+               cout << "    Keep " << Cache[DepPkg].Keep() << " Unpacked " << List->IsFlag(DepPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(DepPkg,pkgOrderList::Configured) << endl;
+               
+            }
+
+           // Check if it satisfies this dependancy
+           if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && 
+               DepPkg.State() == PkgIterator::NeedsNothing)

            {
               Bad = false;
               continue;
            }
            
            {
               Bad = false;
               continue;
            }
            

-           // Not the install version 
-           if (Cache[Pkg].InstallVer != *I || 
-               (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
+           if (Cache[DepPkg].InstallVer == *I) {
+              if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) {
+                 if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+                    List->Flag(Pkg,pkgOrderList::Loop);
+                    Bad = !SmartConfigure(DepPkg);
+                 } else {
+                    Bad = false;
+                 }
+              } else if (List->IsFlag(DepPkg,pkgOrderList::Configured)) {
+                 Bad = false;
+              }

               continue;
               continue;

-           
-           if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == true)
-              Bad = !DepAdd(OList,Pkg,Depth);
-           if (List->IsFlag(Pkg,pkgOrderList::Configured) == true)
-              Bad = false;
+           }

         }
         }

+        
+        if (InstallVer != 0 && Bad) {
+           Bad = false;
+           List->Flag(Pkg,pkgOrderList::Loop);
+           if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+              if (Debug) 
+                 cout << "  Unpacking " << DepPkg.Name() << " to avoid loop" << endl;
+              SmartUnPack(DepPkg, true);
+           }
+        }
+        
+        if (Start==End) {
+           if (Bad && Debug) {
+              if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+                  _error->Warning("Could not satisfy dependancies for %s",Pkg.Name());
+               } 
+           }
+           break;
+              
+        } else {
+            Start++;
+         }

       }
       }

+   }
+
+   static std::string const conf = _config->Find("PackageManager::Configure","all");
+   static bool const ConfigurePkgs = (conf == "all" || conf == "smart");
+
+   if (List->IsFlag(Pkg,pkgOrderList::Configured)) 
+      return _error->Error("Internal configure error on '%s'. ",Pkg.Name(),1);
+
+   if (ConfigurePkgs == true && Configure(Pkg) == false)
+      return false;

       
       

-      if (Bad == true)
+   List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
+
+   if (Cache[Pkg].InstVerIter(Cache)->MultiArch == pkgCache::Version::Same)
+      for (PkgIterator P = Pkg.Group().PackageList();
+          P.end() == false; P = Pkg.Group().NextPkg(P))

       {
       {

-        if (Debug) 
-           std::clog << OutputInDepth(Depth) << "DepAdd FAILS on: " << Pkg.Name() << std::endl;
-        OList.Flag(Pkg,0,pkgOrderList::Added);
-        OList.pop_back();
-        Depth--;
-        return false;
+        if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true ||
+            Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+             (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+           continue;
+        SmartConfigure(P);

       }
       }

-   }
-   
-   Depth--;
+
+   // Sanity Check
+   if (List->IsFlag(Pkg,pkgOrderList::Configured) == false && Debug)
+      _error->Warning(_("Could not perform immediate configuration on '%s'. "
+                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1);
+

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


@@ -473,33 +505,44 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
 
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
 
 
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
 

-   if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false)
-      return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
-   else
-      return SmartRemove(Pkg.Group().FindPkg("all"));
+   return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);

    return true;
 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
 // ---------------------------------------------------------------------
    return true;
 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
 // ---------------------------------------------------------------------

-/* This performs the task of handling pre-depends. */
+/* This puts the system in a state where it can Unpack Pkg, if Pkg is allready
+   unpacked, or when it has been unpacked, if Immediate==true it configures it. */

 bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 {
 bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 {

+   return SmartUnPack(Pkg, true);
+}
+bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate)
+{
+   if (Debug == true)
+      clog << "SmartUnPack " << Pkg.Name() << endl;
+

    // Check if it is already unpacked
    if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
        Cache[Pkg].Keep() == true)
    {
       List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
    // Check if it is already unpacked
    if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
        Cache[Pkg].Keep() == true)
    {
       List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);

-      if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
+      if (Immediate == true &&
+         List->IsFlag(Pkg,pkgOrderList::Immediate) == true)

         if (SmartConfigure(Pkg) == false)
         if (SmartConfigure(Pkg) == false)

-           return _error->Error(_("Could not perform immediate configuration on already unpacked '%s'. "
+           _error->Warning(_("Could not perform immediate configuration on already unpacked '%s'. "

                        "Please see man 5 apt.conf under APT::Immediate-Configure for details."),Pkg.Name());
       return true;
    }
                        "Please see man 5 apt.conf under APT::Immediate-Configure for details."),Pkg.Name());
       return true;
    }

-
-   /* See if this packages install version has any predependencies
-      that are not met by 'now' packages. */
-   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); 
+   
+   VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
+
+   /* PreUnpack Checks: This loop checks and attemps to rectify and problems that would prevent the package being unpacked.
+      It addresses: PreDepends, Conflicts, Obsoletes and DpkgBreaks. Any resolutions that do not require it should 
+      avoid configuration (calling SmartUnpack with Immediate=true), this is because any loops before Pkg is unpacked 
+      can cause problems. This will be either dealt with if the package is configured as a dependancy of 
+      Pkg (if and when Pkg is configured), or by the ConfigureAll call at the end of the for loop in OrderInstall. */
+   for (DepIterator D = instVer.DependsList();

        D.end() == false; )
    {
       // Compute a single dependency element (glob or)
        D.end() == false; )
    {
       // Compute a single dependency element (glob or)


@@ -509,7 +552,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
       
       while (End->Type == pkgCache::Dep::PreDepends)
       {
       
       while (End->Type == pkgCache::Dep::PreDepends)
       {

-        if (Debug == true)
+        if (Debug)

            clog << "PreDepends order for " << Pkg.Name() << std::endl;
 
         // Look for possible ok targets.
            clog << "PreDepends order for " << Pkg.Name() << std::endl;
 
         // Look for possible ok targets.


@@ -525,7 +568,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
                Pkg.State() == PkgIterator::NeedsNothing)
            {
               Bad = false;
                Pkg.State() == PkgIterator::NeedsNothing)
            {
               Bad = false;

-              if (Debug == true)
+              if (Debug)

                  clog << "Found ok package " << Pkg.Name() << endl;
               continue;
            }
                  clog << "Found ok package " << Pkg.Name() << endl;
               continue;
            }


@@ -541,8 +584,13 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
            if (Cache[Pkg].InstallVer != *I || 
                (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
               continue;
            if (Cache[Pkg].InstallVer != *I || 
                (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
               continue;

+              
+           if (List->IsFlag(Pkg,pkgOrderList::Configured)) {
+              Bad = false;
+              continue;
+           }

 
 

-           if (Debug == true)
+           if (Debug)

               clog << "Trying to SmartConfigure " << Pkg.Name() << endl;
            Bad = !SmartConfigure(Pkg);
         }
               clog << "Trying to SmartConfigure " << Pkg.Name() << endl;
            Bad = !SmartConfigure(Pkg);
         }


@@ -558,7 +606,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
                                    End.TargetPkg().Name(),Pkg.Name());
            Start++;
         }
                                    End.TargetPkg().Name(),Pkg.Name());
            Start++;
         }

-        else
+        else 

            break;
       }
       
            break;
       }
       


@@ -571,50 +619,157 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
         for (Version **I = VList; *I != 0; I++)
         {
            VerIterator Ver(Cache,*I);
         for (Version **I = VList; *I != 0; I++)
         {
            VerIterator Ver(Cache,*I);

-           PkgIterator Pkg = Ver.ParentPkg();
+           PkgIterator ConflictPkg = Ver.ParentPkg();
+           VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer);

            
            // See if the current version is conflicting
            
            // See if the current version is conflicting

-           if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true)
+           if (ConflictPkg.CurrentVer() == Ver && !List->IsFlag(ConflictPkg,pkgOrderList::UnPacked))

            {
            {

-              if (EarlyRemove(Pkg) == false)
-                 return _error->Error("Internal Error, Could not early remove %s",Pkg.Name());
+               if (Debug && false) 
+                cout << " " << Pkg.Name() << " conflicts with " << ConflictPkg.Name() << endl;
+                
+          if (Debug && false) {
+              if (Ver==0) {
+                 cout << "  Checking if " << Ver << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl;
+              } else {
+                 cout << "  Checking if " << Ver.VerStr() << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (ConflictPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << ConflictPkg.CurrentVer() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << ConflictPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
+
+               cout << "    Keep " << Cache[ConflictPkg].Keep() << " Unpacked " << List->IsFlag(ConflictPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(ConflictPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(ConflictPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(ConflictPkg,pkgOrderList::Loop) << endl;
+               cout << "    Delete " << Cache[ConflictPkg].Delete() << endl;
+            }
+           
+              if (!List->IsFlag(ConflictPkg,pkgOrderList::Loop)) {
+                 if (Cache[ConflictPkg].Keep() == 0 && Cache[ConflictPkg].InstallVer != 0) {
+                      cout << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl;
+                     List->Flag(Pkg,pkgOrderList::Loop);
+                     SmartUnPack(ConflictPkg,false);
+                  } else {
+                      if (EarlyRemove(ConflictPkg) == false)
+                         return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name());
+                  }
+              } else {
+                 if (!List->IsFlag(ConflictPkg,pkgOrderList::Removed)) {
+                      cout << "Because of conficts knot, removing " << ConflictPkg.Name() << " to conflict violation" << endl;
+                     if (EarlyRemove(ConflictPkg) == false)
+                          return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name());
+                 }
+              }
+           }
+        }
+      }
+      
+      // Check for breaks
+      if (End->Type == pkgCache::Dep::DpkgBreaks) {
+         SPtrArray<Version *> VList = End.AllTargets();
+        for (Version **I = VList; *I != 0; I++)
+        {
+           VerIterator Ver(Cache,*I);
+           PkgIterator BrokenPkg = Ver.ParentPkg();
+           VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer);
+           
+           if (Debug && false) {
+              if (Ver==0) {
+                 cout << "  Checking if " << Ver << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl;
+              } else {
+                 cout << "  Checking if " << Ver.VerStr() << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (BrokenPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << BrokenPkg.CurrentVer() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << BrokenPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
+
+               cout << "    Keep " << Cache[BrokenPkg].Keep() << " Unpacked " << List->IsFlag(BrokenPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(BrokenPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(BrokenPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(BrokenPkg,pkgOrderList::Loop) << " InList " << List->IsFlag(BrokenPkg,pkgOrderList::InList) << endl;
+               cout << "    Delete " << Cache[BrokenPkg].Delete() << endl;
+            }
+           // Check if it needs to be unpacked
+           if (List->IsFlag(BrokenPkg,pkgOrderList::InList) && Cache[BrokenPkg].Delete() == false && 
+               !List->IsFlag(BrokenPkg,pkgOrderList::Loop) && List->IsNow(BrokenPkg)) {
+              List->Flag(Pkg,pkgOrderList::Loop);
+             // Found a break, so unpack the package
+             if (Debug) 
+                cout << "  Unpacking " << BrokenPkg.Name() << " to avoid break" << endl;
+             /*  */
+             SmartUnPack(BrokenPkg, false);
+           }
+           // Check if a package needs to be removed
+           if (Cache[BrokenPkg].Delete() == true && !List->IsFlag(BrokenPkg,pkgOrderList::Configured)) {
+             if (Debug) 
+                cout << "  Removing " << BrokenPkg.Name() << " to avoid break" << endl;
+             SmartRemove(BrokenPkg);

            }
         }
       }
    }
            }
         }
       }
    }

-
-   // Check for reverse conflicts.
-   if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
-                  Cache[Pkg].InstVerIter(Cache).VerStr()) == false)
-      return false;

    
    

-   for (PrvIterator P = Cache[Pkg].InstVerIter(Cache).ProvidesList(); 
-       P.end() == false; P++)
-      CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
-
-   if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false)
-   {
-      if(Install(Pkg,FileNames[Pkg->ID]) == false)
-         return false;
+   // FIXME: Crude but effective fix, allows the SmartUnPack method to be used for packages that new to the system
+   if (instVer != 0) {
+     //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << instVer.VerStr() << endl;
+   
+     // Check for reverse conflicts.
+     if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
+                  instVer.VerStr()) == false)
+        return false;
+   
+     for (PrvIterator P = instVer.ProvidesList();
+         P.end() == false; P++)
+        CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
+
+     List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
+
+     if (instVer->MultiArch == pkgCache::Version::Same)
+        for (PkgIterator P = Pkg.Group().PackageList();
+            P.end() == false; P = Pkg.Group().NextPkg(P))
+        {
+          if (Pkg == P || List->IsFlag(P,pkgOrderList::UnPacked) == true ||
+              Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+               (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+             continue;
+          SmartUnPack(P, false);
+        }
+      

    } else {
    } else {

-      // Pseudo packages will not be unpacked - instead we will do this
-      // for the "real" package, but only once and if it is already
-      // configured we don't need to unpack it again…
-      PkgIterator const P = Pkg.Group().FindPkg("all");
-      if (List->IsFlag(P,pkgOrderList::UnPacked) != true &&
-         List->IsFlag(P,pkgOrderList::Configured) != true &&
-         P.State() != pkgCache::PkgIterator::NeedsNothing) {
-        if (SmartUnPack(P) == false)
-           return false;
-      }
+       VerIterator InstallVer(Cache,Cache[Pkg].InstallVer);
+       //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << InstallVer.VerStr() << endl;
+   
+       // Check for reverse conflicts.
+       if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
+                  InstallVer.VerStr()) == false)
+        return false;
+        
+      List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);

    }
    }

-   List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
+
+   if(Install(Pkg,FileNames[Pkg->ID]) == false)
+      return false;
+
+   if (Immediate == true && List->IsFlag(Pkg,pkgOrderList::Immediate) == true) {

    
    

-   // Perform immedate configuration of the package.
-   if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
-      if (SmartConfigure(Pkg) == false)
-        return _error->Error(_("Could not perform immediate configuration on '%s'. "
-                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2);
+      // Perform immedate configuration of the package. 
+         if (SmartConfigure(Pkg) == false)
+            _error->Warning(_("Could not perform immediate configuration on '%s'. "
+               "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2);
+   }

    
    return true;
 }
    
    return true;
 }


@@ -648,12 +803,19 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
    {
       PkgIterator Pkg(Cache,*I);

-
+      

       if (List->IsNow(Pkg) == false)
       {
       if (List->IsNow(Pkg) == false)
       {

-        if (Debug == true)
-           clog << "Skipping already done " << Pkg.Name() << endl;
+         if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) {
+            if (SmartConfigure(Pkg) == false && Debug)
+               _error->Warning("Internal Error, Could not configure %s",Pkg.Name());
+            // FIXME: The above warning message might need changing
+         } else {
+           if (Debug == true)
+              clog << "Skipping already done " << Pkg.Name() << endl;
+        }

         continue;
         continue;

+        

       }
       
       if (List->IsMissing(Pkg) == true)
       }
       
       if (List->IsMissing(Pkg) == true)


@@ -687,6 +849,12 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
         if (SmartUnPack(Pkg) == false)
            return Failed;
       DoneSomething = true;
         if (SmartUnPack(Pkg) == false)
            return Failed;
       DoneSomething = true;

+      
+      if (ImmConfigureAll) {
+         /* ConfigureAll here to pick up and packages left unconfigured becuase they were unpacked in the 
+            "PreUnpack Checks" section */
+         ConfigureAll();
+      }

    }
 
    // Final run through the configure phase
    }
 
    // Final run through the configure phase


@@ -702,7 +870,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
                       PkgIterator(Cache,*I).Name());
         return Failed;
       }
                       PkgIterator(Cache,*I).Name());
         return Failed;
       }

-   }   
+   }

         
    return Completed;
 }
         
    return Completed;
 }


@@ -734,4 +902,4 @@ pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
    
    return DoInstallPostFork(statusFd);
 }
    
    return DoInstallPostFork(statusFd);
 }

-                                                                       /*}}}*/
+                                                                       /*}}}*/