Fix typos in documentation (codespell)

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

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index 53bb507b6e520318e3544b640d1bd3fe8a99b748..5f9a31264884208c33a31c526092bb54a469c6d3 100644 (file)
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -13,6 +13,8 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

+#include<config.h>
+

 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/orderlist.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/orderlist.h>
 #include <apt-pkg/depcache.h>


@@ -22,10 +24,10 @@
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sptr.h>

-    
-#include <apti18n.h>    
+

 #include <iostream>
 #include <iostream>

-#include <fcntl.h> 
+
+#include <apti18n.h>

                                                                        /*}}}*/
 using namespace std;
 
                                                                        /*}}}*/
 using namespace std;
 


@@ -34,11 +36,13 @@ bool pkgPackageManager::SigINTStop = false;
 // PM::PackageManager - Constructor                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // PM::PackageManager - Constructor                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-pkgPackageManager::pkgPackageManager(pkgDepCache *pCache) : Cache(*pCache)
+pkgPackageManager::pkgPackageManager(pkgDepCache *pCache) : Cache(*pCache),
+                                                           List(NULL), Res(Incomplete)

 {
    FileNames = new string[Cache.Head().PackageCount];
 {
    FileNames = new string[Cache.Head().PackageCount];

-   List = 0;

    Debug = _config->FindB("Debug::pkgPackageManager",false);
    Debug = _config->FindB("Debug::pkgPackageManager",false);

+   NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true);
+   ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false);

 }
                                                                        /*}}}*/
 // PM::PackageManager - Destructor                                     /*{{{*/
 }
                                                                        /*}}}*/
 // PM::PackageManager - Destructor                                     /*{{{*/


@@ -65,7 +69,7 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
    if (ordering == false)
       return _error->Error("Internal ordering error");
 
    if (ordering == false)
       return _error->Error("Internal ordering error");
 

-   for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
+   for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)

    {
       PkgIterator Pkg(Cache,*I);
       FileNames[Pkg->ID] = string();
    {
       PkgIterator Pkg(Cache,*I);
       FileNames[Pkg->ID] = string();


@@ -101,7 +105,7 @@ bool pkgPackageManager::FixMissing()
    List->SetFileList(FileNames);
 
    bool Bad = false;
    List->SetFileList(FileNames);
 
    bool Bad = false;

-   for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
+   for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)

    {
       if (List->IsMissing(I) == false)
         continue;
    {
       if (List->IsMissing(I) == false)
         continue;


@@ -142,13 +146,13 @@ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned
       D = I.CurrentVer().DependsList(); 
    }
 
       D = I.CurrentVer().DependsList(); 
    }
 

-   for ( /* nothing */  ; D.end() == false; D++)
+   for ( /* nothing */  ; D.end() == false; ++D)

       if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
       {
         if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate))
         {
            if(Debug)
       if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
       {
         if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate))
         {
            if(Debug)

-              clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << D.TargetPkg() << " cause of " << D.DepType() << " " << I.Name() << endl;
+              clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << D.TargetPkg() << " cause of " << D.DepType() << " " << I.FullName() << endl;

            List->Flag(D.TargetPkg(),pkgOrderList::Immediate);
            ImmediateAdd(D.TargetPkg(), UseInstallVer, Depth + 1);
         }
            List->Flag(D.TargetPkg(),pkgOrderList::Immediate);
            ImmediateAdd(D.TargetPkg(), UseInstallVer, Depth + 1);
         }


@@ -167,27 +171,23 @@ bool pkgPackageManager::CreateOrderList()
    
    delete List;
    List = new pkgOrderList(&Cache);
    
    delete List;
    List = new pkgOrderList(&Cache);

-   
-   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
    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++)
+   for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)

    {
       // Ignore no-version packages
       if (I->VersionList == 0)
         continue;
       
       // Mark the package and its dependends for immediate configuration
    {
       // Ignore no-version packages
       if (I->VersionList == 0)
         continue;
       
       // Mark the package and its dependends for immediate configuration

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

          NoImmConfigure == false) || ImmConfigureAll)
       {
         if(Debug && !ImmConfigureAll)
          NoImmConfigure == false) || ImmConfigureAll)
       {
         if(Debug && !ImmConfigureAll)

-           clog << "CreateOrderList(): Adding Immediate flag for " << I.Name() << endl;
+           clog << "CreateOrderList(): Adding Immediate flag for " << I.FullName() << endl;

         List->Flag(I,pkgOrderList::Immediate);
         
         if (!ImmConfigureAll) {
         List->Flag(I,pkgOrderList::Immediate);
         
         if (!ImmConfigureAll) {


@@ -215,7 +215,7 @@ bool pkgPackageManager::CreateOrderList()
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// PM::DepAlwaysTrue - Returns true if this dep is irrelevent          /*{{{*/
+// PM::DepAlwaysTrue - Returns true if this dep is irrelevant          /*{{{*/

 // ---------------------------------------------------------------------
 /* The restriction on provides is to eliminate the case when provides
    are transitioning between valid states [ie exim to smail] */
 // ---------------------------------------------------------------------
 /* The restriction on provides is to eliminate the case when provides
    are transitioning between valid states [ie exim to smail] */


@@ -237,18 +237,18 @@ bool pkgPackageManager::DepAlwaysTrue(DepIterator D)
 bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D,
                                        const char *Ver)
 {
 bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D,
                                        const char *Ver)
 {

-   for (;D.end() == false; D++)
+   for (;D.end() == false; ++D)

    {
       if (D->Type != pkgCache::Dep::Conflicts &&
          D->Type != pkgCache::Dep::Obsoletes)
         continue;
 
    {
       if (D->Type != pkgCache::Dep::Conflicts &&
          D->Type != pkgCache::Dep::Obsoletes)
         continue;
 

-      // The package hasnt been changed
+      // The package hasn't been changed

       if (List->IsNow(Pkg) == false)
         continue;
       
       if (List->IsNow(Pkg) == false)
         continue;
       

-      // Ignore self conflicts, ignore conflicts from irrelevent versions
-      if (D.ParentPkg() == Pkg || D.ParentVer() != D.ParentPkg().CurrentVer())
+      // Ignore self conflicts, ignore conflicts from irrelevant versions
+      if (D.IsIgnorable(Pkg) || D.ParentVer() != D.ParentPkg().CurrentVer())

         continue;
       
       if (Cache.VS().CheckDep(Ver,D->CompareOp,D.TargetVer()) == false)
         continue;
       
       if (Cache.VS().CheckDep(Ver,D->CompareOp,D.TargetVer()) == false)


@@ -256,7 +256,7 @@ bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D,
 
       if (EarlyRemove(D.ParentPkg()) == false)
         return _error->Error("Reverse conflicts early remove for package '%s' failed",
 
       if (EarlyRemove(D.ParentPkg()) == false)
         return _error->Error("Reverse conflicts early remove for package '%s' failed",

-                             Pkg.Name());
+                             Pkg.FullName().c_str());

    }
    return true;
 }
    }
    return true;
 }


@@ -271,7 +271,7 @@ bool pkgPackageManager::ConfigureAll()
    pkgOrderList OList(&Cache);
    
    // Populate the order list
    pkgOrderList OList(&Cache);
    
    // Populate the order list

-   for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
+   for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)

       if (List->IsFlag(pkgCache::PkgIterator(Cache,*I),
                       pkgOrderList::UnPacked) == true)
         OList.push_back(*I);
       if (List->IsFlag(pkgCache::PkgIterator(Cache,*I),
                       pkgOrderList::UnPacked) == true)
         OList.push_back(*I);


@@ -283,7 +283,7 @@ bool pkgPackageManager::ConfigureAll()
    bool const ConfigurePkgs = (conf == "all");
 
    // Perform the configuring
    bool const ConfigurePkgs = (conf == "all");
 
    // Perform the configuring

-   for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
+   for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); ++I)

    {
       PkgIterator Pkg(Cache,*I);
       
    {
       PkgIterator Pkg(Cache,*I);
       


@@ -294,9 +294,9 @@ bool pkgPackageManager::ConfigureAll()
       if (ConfigurePkgs == true && SmartConfigure(Pkg, 0) == false) {
          if (ImmConfigureAll)
             _error->Error(_("Could not perform immediate configuration on '%s'. "
       if (ConfigurePkgs == true && SmartConfigure(Pkg, 0) == false) {
          if (ImmConfigureAll)
             _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);
+                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.FullName().c_str(),1);

          else
          else

-            _error->Error("Internal error, packages left unconfigured. %s",Pkg.Name());
+            _error->Error("Internal error, packages left unconfigured. %s",Pkg.FullName().c_str());

         return false;
       }
       
         return false;
       }
       


@@ -314,111 +314,187 @@ bool pkgPackageManager::ConfigureAll()
    
    Note on failure: This method can fail, without causing any problems. 
    This can happen when using Immediate-Configure-All, SmartUnPack may call
    
    Note on failure: This method can fail, without causing any problems. 
    This can happen when using Immediate-Configure-All, SmartUnPack may call

-   SmartConfigure, it may fail because of a complex dependancy situation, but
+   SmartConfigure, it may fail because of a complex dependency situation, but

    a error will only be reported if ConfigureAll fails. This is why some of the
    messages this function reports on failure (return false;) as just warnings
    only shown when debuging*/
 bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
 {
    a error will only be reported if ConfigureAll fails. This is why some of the
    messages this function reports on failure (return false;) as just warnings
    only shown when debuging*/
 bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
 {

-   // If this is true, only check and correct and dependancies without the Loop flag
-   bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop);
+   // If this is true, only check and correct and dependencies without the Loop flag
+   bool const PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop);

 
    if (Debug) {
       VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer);
 
    if (Debug) {
       VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer);

-      clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.Name() << " (" << InstallVer.VerStr() << ")";
+      clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.FullName() << " (" << InstallVer.VerStr() << ")";

       if (PkgLoop)
       if (PkgLoop)

-        clog << " (Only Correct Dependancies)";
+        clog << " (Only Correct Dependencies)";

       clog << endl;
    }
 
    VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
       
       clog << endl;
    }
 
    VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
       

-   /* Because of the ordered list, most dependancies should be unpacked, 
+   /* Because of the ordered list, most dependencies should be unpacked, 

       however if there is a loop (A depends on B, B depends on A) this will not 
       however if there is a loop (A depends on B, B depends on A) this will not 

-      be the case, so check for dependancies before configuring. */
-   bool Bad = false;
-   for (DepIterator D = instVer.DependsList();
-       D.end() == false; )
+      be the case, so check for dependencies before configuring. */
+   bool Bad = false, Changed = false;
+   const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000);
+   unsigned int i=0;
+   std::list<DepIterator> needConfigure;
+   do

    {
    {

-      // Compute a single dependency element (glob or)
-      pkgCache::DepIterator Start;
-      pkgCache::DepIterator End;
-      D.GlobOr(Start,End);
-      
-      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();
-         
-         // Check through each version of each package that could satisfy this dependancy
-        for (Version **I = VList; *I != 0; I++) {
-           VerIterator Ver(Cache,*I);
-           DepPkg = Ver.ParentPkg();
-           InstallVer = VerIterator(Cache,Cache[DepPkg].InstallVer);
-
-           // Check if the current version of the package is avalible and will satisfy this dependancy
-           if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && 
-               !List->IsFlag(DepPkg,pkgOrderList::Removed) && DepPkg.State() == PkgIterator::NeedsNothing)
+      Changed = false;
+      for (DepIterator D = instVer.DependsList(); D.end() == false; )
+      {
+        // Compute a single dependency element (glob or)
+        pkgCache::DepIterator Start, End;
+        D.GlobOr(Start,End);
+
+        if (End->Type != pkgCache::Dep::Depends)
+           continue;
+        Bad = true;
+
+        // Check for dependencies that have not been unpacked, probably due to loops.
+        for (DepIterator Cur = Start; true; ++Cur)
+        {
+           SPtrArray<Version *> VList = Cur.AllTargets();
+
+           for (Version **I = VList; *I != 0; ++I)

            {
            {

-              Bad = false;
-              break;
-           }
-           
-           // Check if the version that is going to be installed will satisfy the dependancy
-           if (Cache[DepPkg].InstallVer == *I) {
-              if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) {
-                 if (PkgLoop && List->IsFlag(DepPkg,pkgOrderList::Loop)) {
-                   // This dependancy has already been dealt with by another SmartConfigure on Pkg
-                   Bad = false;
-                   break;
-                 }
-                 /* Check for a loop to prevent one forming
-                    If A depends on B and B depends on A, SmartConfigure will
-                    just hop between them if this is not checked */
-                 List->Flag(Pkg,pkgOrderList::Loop);
-                 // If SmartConfigure was succesfull, Bad is false, so break
-                 Bad = !SmartConfigure(DepPkg, Depth + 1);
-                 List->RmFlag(Pkg,pkgOrderList::Loop);
-                 if (!Bad) break;
-              } else if (List->IsFlag(DepPkg,pkgOrderList::Configured)) {
+              VerIterator Ver(Cache,*I);
+              PkgIterator DepPkg = Ver.ParentPkg();
+
+              // Check if the current version of the package is available and will satisfy this dependency
+              if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true &&
+                  List->IsFlag(DepPkg,pkgOrderList::Removed) == false &&
+                  DepPkg.State() == PkgIterator::NeedsNothing)
+              {
+                 Bad = false;
+                 break;
+              }
+
+              // Check if the version that is going to be installed will satisfy the dependency
+              if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false)
+                 continue;
+
+              if (PkgLoop == true)
+              {
+                 if (Debug)
+                    std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure" << std::endl;

                  Bad = false;
                  Bad = false;

-                 break;
+                 break;
+              }
+              else
+              {
+                 if (Debug)
+                    clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl;
+                 if (PkgLoop == false)
+                    List->Flag(Pkg,pkgOrderList::Loop);
+                 if (SmartUnPack(DepPkg, true, Depth + 1) == true)
+                 {
+                    Bad = false;
+                    if (List->IsFlag(DepPkg,pkgOrderList::Loop) == false)
+                       Changed = true;
+                 }
+                 if (PkgLoop == false)
+                    List->RmFlag(Pkg,pkgOrderList::Loop);
+                 if (Bad == false)
+                    break;

               }
            }
               }
            }

+
+           if (Cur == End || Bad == false)
+              break;

         }
         }

-        
-        /* If the dependany is still not satisfied, try, if possible, unpacking a package to satisfy it */
-        if (InstallVer != 0 && Bad) {
-           Bad = false;
-           if (List->IsNow(DepPkg) && !List->IsFlag(DepPkg,pkgOrderList::Loop)) {
-              List->Flag(Pkg,pkgOrderList::Loop);
-              if (Debug) 
-                 cout << OutputInDepth(Depth) << "Unpacking " << DepPkg.Name() << " to avoid loop" << endl;
-              SmartUnPack(DepPkg, true, Depth + 1);
-              List->RmFlag(Pkg,pkgOrderList::Loop);
-           }
+
+        if (Bad == false)
+           continue;
+
+        needConfigure.push_back(Start);
+      }
+      if (i++ > max_loops)
+         return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (1) for %s, aborting", Pkg.FullName().c_str());
+   } while (Changed == true);
+
+   Bad = false, Changed = false, i = 0;
+   do
+   {
+      Changed = false;
+      for (std::list<DepIterator>::const_iterator D = needConfigure.begin(); D != needConfigure.end(); ++D)
+      {
+        // Compute a single dependency element (glob or) without modifying D
+        pkgCache::DepIterator Start, End;
+        {
+           pkgCache::DepIterator Discard = *D;
+           Discard.GlobOr(Start,End);

         }
         }

-        
-        if (Start==End) {
-           if (Bad && Debug) {
-              if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
-                  _error->Warning("Could not satisfy dependancies for %s",Pkg.Name());
-               } 
+
+        if (End->Type != pkgCache::Dep::Depends)
+           continue;
+        Bad = true;
+
+        // Search for dependencies which are unpacked but aren't configured yet (maybe loops)
+        for (DepIterator Cur = Start; true; ++Cur)
+        {
+           SPtrArray<Version *> VList = Cur.AllTargets();
+
+           for (Version **I = VList; *I != 0; ++I)
+           {
+              VerIterator Ver(Cache,*I);
+              PkgIterator DepPkg = Ver.ParentPkg();
+
+              // Check if the version that is going to be installed will satisfy the dependency
+              if (Cache[DepPkg].InstallVer != *I)
+                 continue;
+
+              if (List->IsFlag(DepPkg,pkgOrderList::UnPacked))
+              {
+                 if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop)
+                 {
+                   // This dependency has already been dealt with by another SmartConfigure on Pkg
+                   Bad = false;
+                   break;
+                 }
+                 /* Check for a loop to prevent one forming
+                      If A depends on B and B depends on A, SmartConfigure will
+                      just hop between them if this is not checked. Dont remove the
+                      loop flag after finishing however as loop is already set.
+                      This means that there is another SmartConfigure call for this
+                      package and it will remove the loop flag */
+                 if (PkgLoop == false)
+                    List->Flag(Pkg,pkgOrderList::Loop);
+                 if (SmartConfigure(DepPkg, Depth + 1) == true)
+                 {
+                    Bad = false;
+                    if (List->IsFlag(DepPkg,pkgOrderList::Loop) == false)
+                       Changed = true;
+                 }
+                 if (PkgLoop == false)
+                   List->RmFlag(Pkg,pkgOrderList::Loop);
+                 // If SmartConfigure was succesfull, Bad is false, so break
+                 if (Bad == false)
+                    break;
+              }
+              else if (List->IsFlag(DepPkg,pkgOrderList::Configured))
+              {
+                 Bad = false;
+                 break;
+              }

            }
            }

-           break;
-        } else {
-            Start++;
+           if (Cur == End || Bad == false)
+              break;

          }
          }

+
+
+        if (Bad == true && Changed == false && Debug == true)
+           std::clog << OutputInDepth(Depth) << "Could not satisfy " << *D << std::endl;

       }
       }

-   }
+      if (i++ > max_loops)
+         return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (2) for %s, aborting", Pkg.FullName().c_str());
+   } while (Changed == true);

    
    if (Bad) {
       if (Debug)
    
    if (Bad) {
       if (Debug)

-         _error->Warning(_("Could not configure '%s'. "),Pkg.Name());
+         _error->Warning(_("Could not configure '%s'. "),Pkg.FullName().c_str());

       return false;
    }
    
       return false;
    }
    


@@ -428,18 +504,19 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
    static bool const ConfigurePkgs = (conf == "all" || conf == "smart");
 
    if (List->IsFlag(Pkg,pkgOrderList::Configured)) 
    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);
+      return _error->Error("Internal configure error on '%s'.", Pkg.FullName().c_str());

 
    if (ConfigurePkgs == true && Configure(Pkg) == false)
       return false;
 
    if (ConfigurePkgs == true && Configure(Pkg) == false)
       return false;

-      
+

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

-   if (Cache[Pkg].InstVerIter(Cache)->MultiArch == pkgCache::Version::Same)
+   if ((Cache[Pkg].InstVerIter(Cache)->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)

       for (PkgIterator P = Pkg.Group().PackageList();
           P.end() == false; P = Pkg.Group().NextPkg(P))
       {
         if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true ||
       for (PkgIterator P = Pkg.Group().PackageList();
           P.end() == false; P = Pkg.Group().NextPkg(P))
       {
         if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true ||

+            List->IsFlag(P,pkgOrderList::UnPacked) == false ||

             Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
              (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
            continue;
             Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
              (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
            continue;


@@ -448,7 +525,7 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
 
    // Sanity Check
    if (List->IsFlag(Pkg,pkgOrderList::Configured) == false)
 
    // Sanity Check
    if (List->IsFlag(Pkg,pkgOrderList::Configured) == false)

-      return _error->Error(_("Could not configure '%s'. "),Pkg.Name());
+      return _error->Error(_("Could not configure '%s'. "),Pkg.FullName().c_str());

 
    return true;
 }
 
    return true;
 }


@@ -471,7 +548,8 @@ bool pkgPackageManager::EarlyRemove(PkgIterator Pkg)
 
    // Essential packages get special treatment
    bool IsEssential = false;
 
    // Essential packages get special treatment
    bool IsEssential = false;

-   if ((Pkg->Flags & pkgCache::Flag::Essential) != 0)
+   if ((Pkg->Flags & pkgCache::Flag::Essential) != 0 ||
+       (Pkg->Flags & pkgCache::Flag::Important) != 0)

       IsEssential = true;
 
    /* Check for packages that are the dependents of essential packages and 
       IsEssential = true;
 
    /* Check for packages that are the dependents of essential packages and 


@@ -479,9 +557,10 @@ bool pkgPackageManager::EarlyRemove(PkgIterator Pkg)
    if (Pkg->CurrentVer != 0)
    {
       for (DepIterator D = Pkg.RevDependsList(); D.end() == false &&
    if (Pkg->CurrentVer != 0)
    {
       for (DepIterator D = Pkg.RevDependsList(); D.end() == false &&

-          IsEssential == false; D++)
+          IsEssential == false; ++D)

         if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
         if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)

-           if ((D.ParentPkg()->Flags & pkgCache::Flag::Essential) != 0)
+           if ((D.ParentPkg()->Flags & pkgCache::Flag::Essential) != 0 ||
+               (D.ParentPkg()->Flags & pkgCache::Flag::Important) != 0)

               IsEssential = true;
    }
 
               IsEssential = true;
    }
 


@@ -492,7 +571,7 @@ bool pkgPackageManager::EarlyRemove(PkgIterator Pkg)
                                "removing the essential package %s due to a "
                                "Conflicts/Pre-Depends loop. This is often bad, "
                                "but if you really want to do it, activate the "
                                "removing the essential package %s due to a "
                                "Conflicts/Pre-Depends loop. This is often bad, "
                                "but if you really want to do it, activate the "

-                               "APT::Force-LoopBreak option."),Pkg.Name());
+                               "APT::Force-LoopBreak option."),Pkg.FullName().c_str());

    }
    
    bool Res = SmartRemove(Pkg);
    }
    
    bool Res = SmartRemove(Pkg);


@@ -513,12 +592,11 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
 
    return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
 
    return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);

-   return true;

 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
 // ---------------------------------------------------------------------
 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
 // ---------------------------------------------------------------------

-/* This puts the system in a state where it can Unpack Pkg, if Pkg is allready
+/* This puts the system in a state where it can Unpack Pkg, if Pkg is already

    unpacked, or when it has been unpacked, if Immediate==true it configures it. */
 bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 {
    unpacked, or when it has been unpacked, if Immediate==true it configures it. */
 bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 {


@@ -529,176 +607,257 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
    bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop);
 
    if (Debug) {
    bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop);
 
    if (Debug) {

-      clog << OutputInDepth(Depth) << "SmartUnPack " << Pkg.Name();
+      clog << OutputInDepth(Depth) << "SmartUnPack " << Pkg.FullName();

       VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer);
       if (Pkg.CurrentVer() == 0)
       VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer);
       if (Pkg.CurrentVer() == 0)

-        cout << " (install version " << InstallVer.VerStr() << ")";
+        clog << " (install version " << InstallVer.VerStr() << ")";

       else
       else

-        cout << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")";
+        clog << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")";

       if (PkgLoop)
       if (PkgLoop)

-        cout << " (Only Perform PreUnpack Checks)";
-      cout << endl;
+        clog << " (Only Perform PreUnpack Checks)";
+      clog << endl;

    }
 
    }
 

-   // Check if it is already unpacked
-   if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
-       Cache[Pkg].Keep() == true)
-   {
-      cout << OutputInDepth(Depth) << "SmartUnPack called on Package " << Pkg.Name() << " but its unpacked" << endl;
-      return false;
-   }
- 

    VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
 
    /* PreUnpack Checks: This loop checks and attempts to rectify and problems that would prevent the package being unpacked.
    VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
 
    /* PreUnpack Checks: This loop checks and attempts to rectify and problems that would prevent the package being unpacked.

-      It addresses: PreDepends, Conflicts, Obsoletes and Breaks (DpkgBreaks). Any resolutions that do not require it should 
+      It addresses: PreDepends, Conflicts, Obsoletes and Breaks (DpkgBreaks). Any resolutions that do not require it should

       avoid configuration (calling SmartUnpack with Immediate=true), this is because when unpacking some packages with
       avoid configuration (calling SmartUnpack with Immediate=true), this is because when unpacking some packages with

-      complex dependancy structures, trying to configure some packages while breaking the loops can complicate things . 
-      This will be either dealt with if the package is configured as a dependency of Pkg (if and when Pkg is configured), 
+      complex dependency structures, trying to configure some packages while breaking the loops can complicate things .
+      This will be either dealt with if the package is configured as a dependency of Pkg (if and when Pkg is configured),

       or by the ConfigureAll call at the end of the for loop in OrderInstall. */
       or by the ConfigureAll call at the end of the for loop in OrderInstall. */

-   for (DepIterator D = instVer.DependsList();
-       D.end() == false; )
+   bool Changed = false;
+   const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000);
+   unsigned int i = 0;
+   do 

    {
    {

-      // Compute a single dependency element (glob or)
-      pkgCache::DepIterator Start;
-      pkgCache::DepIterator End;
-      D.GlobOr(Start,End);
-      
-      while (End->Type == pkgCache::Dep::PreDepends)
+      Changed = false;
+      for (DepIterator D = instVer.DependsList(); D.end() == false; )

       {
       {

-        if (Debug)
-           clog << OutputInDepth(Depth) << "PreDepends order for " << Pkg.Name() << std::endl;
+        // Compute a single dependency element (glob or)
+        pkgCache::DepIterator Start, End;
+        D.GlobOr(Start,End);

 
 

-        // Look for possible ok targets.
-        SPtrArray<Version *> VList = Start.AllTargets();
-        bool Bad = true;
-        for (Version **I = VList; *I != 0 && Bad == true; 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)
+        if (End->Type == pkgCache::Dep::PreDepends)
+         {
+           bool Bad = true;
+           if (Debug)
+              clog << OutputInDepth(Depth) << "PreDepends order for " << Pkg.FullName() << std::endl;
+
+           // Look for easy targets: packages that are already okay
+           for (DepIterator Cur = Start; Bad == true; ++Cur)

            {
            {

-              Bad = false;
-              if (Debug)
-                 clog << OutputInDepth(Depth) << "Found ok package " << Pkg.Name() << endl;
-              continue;
-           }
-        }
-        
-        // Look for something that could be configured.
-        for (Version **I = VList; *I != 0 && Bad == true; I++)
-        {
-           VerIterator Ver(Cache,*I);
-           PkgIterator Pkg = Ver.ParentPkg();
-           
-           // Not the install version 
-           if (Cache[Pkg].InstallVer != *I || 
-               (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
-              continue;
-              
-           if (List->IsFlag(Pkg,pkgOrderList::Configured)) {
-              Bad = false;
-              continue;
+              SPtrArray<Version *> VList = Cur.AllTargets();
+              for (Version **I = VList; *I != 0; ++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)
+                 {
+                    Bad = false;
+                    if (Debug)
+                       clog << OutputInDepth(Depth) << "Found ok package " << Pkg.FullName() << endl;
+                    break;
+                 }
+              }
+              if (Cur == End)
+                 break;

            }
 
            }
 

-           if (Debug)
-              clog << OutputInDepth(Depth) << "Trying to SmartConfigure " << Pkg.Name() << endl;
-           Bad = !SmartConfigure(Pkg, Depth + 1);
-        }
+           // Look for something that could be configured.
+           for (DepIterator Cur = Start; Bad == true && Cur.end() == false; ++Cur)
+           {
+              SPtrArray<Version *> VList = Cur.AllTargets();
+              for (Version **I = VList; *I != 0; ++I)
+              {
+                 VerIterator Ver(Cache,*I);
+                 PkgIterator Pkg = Ver.ParentPkg();

 
 

-        /* If this or element did not match then continue on to the
-           next or element until a matching element is found */
-        if (Bad == true)
-        {
-           // This triggers if someone make a pre-depends/depend loop.
-           if (Start == End)
-              return _error->Error("Couldn't configure pre-depend %s for %s, "
-                                   "probably a dependency cycle.",
-                                   End.TargetPkg().Name(),Pkg.Name());
-           Start++;
+                 // Not the install version
+                 if (Cache[Pkg].InstallVer != *I ||
+                     (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
+                    continue;
+
+                 if (List->IsFlag(Pkg,pkgOrderList::Configured))
+                 {
+                    Bad = false;
+                    break;
+                 }
+
+                 // check if it needs unpack or if if configure is enough
+                 if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == false)
+                 {
+                    if (Debug)
+                       clog << OutputInDepth(Depth) << "Trying to SmartUnpack " << Pkg.FullName() << endl;
+                    // SmartUnpack with the ImmediateFlag to ensure its really ready
+                    if (SmartUnPack(Pkg, true, Depth + 1) == true)
+                    {
+                       Bad = false;
+                       if (List->IsFlag(Pkg,pkgOrderList::Loop) == false)
+                          Changed = true;
+                       break;
+                    }
+                 }
+                 else
+                 {
+                    if (Debug)
+                       clog << OutputInDepth(Depth) << "Trying to SmartConfigure " << Pkg.FullName() << endl;
+                    if (SmartConfigure(Pkg, Depth + 1) == true)
+                    {
+                       Bad = false;
+                       if (List->IsFlag(Pkg,pkgOrderList::Loop) == false)
+                          Changed = true;
+                       break;
+                    }
+                 }
+              }
+           }
+
+           if (Bad == true)
+           {
+              if (Start == End)
+                 return _error->Error("Couldn't configure pre-depend %s for %s, "
+                                       "probably a dependency cycle.",
+                                       End.TargetPkg().FullName().c_str(),Pkg.FullName().c_str());
+           }
+           else
+              continue;

         }
         }

-        else 
-           break;
-      }
-      
-      if (End->Type == pkgCache::Dep::Conflicts || 
-         End->Type == pkgCache::Dep::Obsoletes)
-      {
-        /* Look for conflicts. Two packages that are both in the install
-           state cannot conflict so we don't check.. */
-        SPtrArray<Version *> VList = End.AllTargets();
-        for (Version **I = VList; *I != 0; I++)
+        else if (End->Type == pkgCache::Dep::Conflicts ||
+                 End->Type == pkgCache::Dep::Obsoletes)

         {
         {

-           VerIterator Ver(Cache,*I);
-           PkgIterator ConflictPkg = Ver.ParentPkg();
-           VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer);
-           
-           // See if the current version is conflicting
-           if (ConflictPkg.CurrentVer() == Ver && List->IsNow(ConflictPkg))
-           { 
-              cout << OutputInDepth(Depth) << Pkg.Name() << " conflicts with " << ConflictPkg.Name() << endl;
-              /* If a loop is not present or has not yet been detected, attempt to unpack packages 
-                 to resolve this conflict. If there is a loop present, remove packages to resolve this conflict */
-              if (!List->IsFlag(ConflictPkg,pkgOrderList::Loop)) {
-                 if (Cache[ConflictPkg].Keep() == 0 && Cache[ConflictPkg].InstallVer != 0) {
-                     if (Debug)
-                        cout << OutputInDepth(Depth) << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl;
-                      List->Flag(Pkg,pkgOrderList::Loop);
-                     SmartUnPack(ConflictPkg,false, Depth + 1);
-                     // Remove loop to allow it to be used later if needed
-                     List->RmFlag(Pkg,pkgOrderList::Loop);
-                  } else {
-                      if (EarlyRemove(ConflictPkg) == false)
-                         return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name());
-                  }
-              } else {
-                 if (!List->IsFlag(ConflictPkg,pkgOrderList::Removed)) {
-                     if (Debug)
-                         cout << OutputInDepth(Depth) << "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());
-                 }
+           /* Look for conflicts. Two packages that are both in the install
+              state cannot conflict so we don't check.. */
+           SPtrArray<Version *> VList = End.AllTargets();
+           for (Version **I = VList; *I != 0; I++)
+           {
+              VerIterator Ver(Cache,*I);
+              PkgIterator ConflictPkg = Ver.ParentPkg();
+              VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer);
+
+              // See if the current version is conflicting
+              if (ConflictPkg.CurrentVer() == Ver && List->IsNow(ConflictPkg))
+              {
+                 clog << OutputInDepth(Depth) << Pkg.FullName() << " conflicts with " << ConflictPkg.FullName() << endl;
+                 /* If a loop is not present or has not yet been detected, attempt to unpack packages
+                    to resolve this conflict. If there is a loop present, remove packages to resolve this conflict */
+                 if (List->IsFlag(ConflictPkg,pkgOrderList::Loop) == false)
+                 {
+                    if (Cache[ConflictPkg].Keep() == 0 && Cache[ConflictPkg].InstallVer != 0)
+                    {
+                       if (Debug)
+                          clog << OutputInDepth(Depth) << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.FullName() << " to prevent conflict" << endl;
+                       List->Flag(Pkg,pkgOrderList::Loop);
+                       if (SmartUnPack(ConflictPkg,false, Depth + 1) == true)
+                          if (List->IsFlag(ConflictPkg,pkgOrderList::Loop) == false)
+                             Changed = true;
+                       // Remove loop to allow it to be used later if needed
+                       List->RmFlag(Pkg,pkgOrderList::Loop);
+                    }
+                    else if (EarlyRemove(ConflictPkg) == false)
+                       return _error->Error("Internal Error, Could not early remove %s (1)",ConflictPkg.FullName().c_str());
+                 }
+                 else if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == false)
+                 {
+                    if (Debug)
+                       clog << OutputInDepth(Depth) << "Because of conficts knot, removing " << ConflictPkg.FullName() << " to conflict violation" << endl;
+                    if (EarlyRemove(ConflictPkg) == false)
+                       return _error->Error("Internal Error, Could not early remove %s (2)",ConflictPkg.FullName().c_str());
+                 }

               }
            }
         }
               }
            }
         }

-      }
-      
-      // Check for breaks
-      if (End->Type == pkgCache::Dep::DpkgBreaks) {
-         SPtrArray<Version *> VList = End.AllTargets();
-        for (Version **I = VList; *I != 0; I++)
+        else if (End->Type == pkgCache::Dep::DpkgBreaks)

         {
         {

-           VerIterator Ver(Cache,*I);
-           PkgIterator BrokenPkg = Ver.ParentPkg();
-           VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer);
-           
-           // Check if it needs to be unpacked
-           if (List->IsFlag(BrokenPkg,pkgOrderList::InList) && Cache[BrokenPkg].Delete() == false && 
-               List->IsNow(BrokenPkg)) {
-             if (PkgLoop && List->IsFlag(BrokenPkg,pkgOrderList::Loop)) {
-               // This dependancy has already been dealt with by another SmartUnPack on Pkg
-               break;
-             }
-              List->Flag(Pkg,pkgOrderList::Loop);
-             // Found a break, so unpack the package
-             if (Debug) 
-                cout << OutputInDepth(Depth) << "  Unpacking " << BrokenPkg.Name() << " to avoid break" << endl;
-                
-             SmartUnPack(BrokenPkg, false, Depth + 1);
-             List->RmFlag(Pkg,pkgOrderList::Loop);
-           }
-           // Check if a package needs to be removed
-           if (Cache[BrokenPkg].Delete() == true && !List->IsFlag(BrokenPkg,pkgOrderList::Configured)) {
-             if (Debug) 
-                cout << OutputInDepth(Depth) << "  Removing " << BrokenPkg.Name() << " to avoid break" << endl;
-             SmartRemove(BrokenPkg);
+           SPtrArray<Version *> VList = End.AllTargets();
+           for (Version **I = VList; *I != 0; ++I)
+           {
+              VerIterator Ver(Cache,*I);
+              PkgIterator BrokenPkg = Ver.ParentPkg();
+              if (BrokenPkg.CurrentVer() != Ver)
+              {
+                 if (Debug)
+                    std::clog << OutputInDepth(Depth) << "  Ignore not-installed version " << Ver.VerStr() << " of " << Pkg.FullName() << " for " << End << std::endl;
+                 continue;
+              }
+
+              // Check if it needs to be unpacked
+              if (List->IsFlag(BrokenPkg,pkgOrderList::InList) && Cache[BrokenPkg].Delete() == false &&
+                  List->IsNow(BrokenPkg))
+              {
+                 if (List->IsFlag(BrokenPkg,pkgOrderList::Loop) && PkgLoop)
+                 {
+                    // This dependency has already been dealt with by another SmartUnPack on Pkg
+                    break;
+                 }
+                 else
+                 {
+                    // Found a break, so see if we can unpack the package to avoid it
+                    // but do not set loop if another SmartUnPack already deals with it
+                    // Also, avoid it if the package we would unpack pre-depends on this one
+                    VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer);
+                    bool circle = false;
+                    for (pkgCache::DepIterator D = InstallVer.DependsList(); D.end() == false; ++D)
+                    {
+                       if (D->Type != pkgCache::Dep::PreDepends)
+                          continue;
+                       SPtrArray<Version *> VL = D.AllTargets();
+                       for (Version **I = VL; *I != 0; ++I)
+                       {
+                          VerIterator V(Cache,*I);
+                          PkgIterator P = V.ParentPkg();
+                          // we are checking for installation as an easy 'protection' against or-groups and (unchosen) providers
+                          if (P != Pkg || (P.CurrentVer() != V && Cache[P].InstallVer != V))
+                             continue;
+                          circle = true;
+                          break;
+                       }
+                       if (circle == true)
+                          break;
+                    }
+                    if (circle == true)
+                    {
+                       if (Debug)
+                          clog << OutputInDepth(Depth) << "  Avoiding " << End << " avoided as " << BrokenPkg.FullName() << " has a pre-depends on " << Pkg.FullName() << std::endl;
+                       continue;
+                    }
+                    else
+                    {
+                       if (Debug)
+                       {
+                          clog << OutputInDepth(Depth) << "  Unpacking " << BrokenPkg.FullName() << " to avoid " << End;
+                          if (PkgLoop == true)
+                             clog << " (Looping)";
+                          clog << std::endl;
+                       }
+                       if (PkgLoop == false)
+                          List->Flag(Pkg,pkgOrderList::Loop);
+                       if (SmartUnPack(BrokenPkg, false, Depth + 1) == true)
+                       {
+                          if (List->IsFlag(BrokenPkg,pkgOrderList::Loop) == false)
+                             Changed = true;
+                       }
+                       if (PkgLoop == false)
+                          List->RmFlag(Pkg,pkgOrderList::Loop);
+                    }
+                 }
+              }
+              // Check if a package needs to be removed
+              else if (Cache[BrokenPkg].Delete() == true && List->IsFlag(BrokenPkg,pkgOrderList::Configured) == false)
+              {
+                 if (Debug)
+                    clog << OutputInDepth(Depth) << "  Removing " << BrokenPkg.FullName() << " to avoid " << End << endl;
+                 SmartRemove(BrokenPkg);
+              }

            }
         }
       }
            }
         }
       }

-   }
+      if (i++ > max_loops)
+         return _error->Error("Internal error: APT::pkgPackageManager::MaxLoopCount reached in SmartConfigure for %s, aborting", Pkg.FullName().c_str());
+   } while (Changed == true);

    
    // Check for reverse conflicts.
    if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
    
    // Check for reverse conflicts.
    if (CheckRConflicts(Pkg,Pkg.RevDependsList(),


@@ -706,32 +865,62 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
                          return false;
    
    for (PrvIterator P = instVer.ProvidesList();
                          return false;
    
    for (PrvIterator P = instVer.ProvidesList();

-         P.end() == false; P++)
-        CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
+       P.end() == false; ++P)
+      if (Pkg->Group != P.OwnerPkg()->Group)
+        CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());

 
 

-   if (PkgLoop) return true;
+   if (PkgLoop)
+      return true;

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

-   if (instVer->MultiArch == pkgCache::Version::Same)
+   if (Immediate == true && (instVer->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
+   {
+      /* Do lockstep M-A:same unpacking in two phases:
+        First unpack all installed architectures, then the not installed.
+        This way we avoid that M-A: enabled packages are installed before
+        their older non-M-A enabled packages are replaced by newer versions */
+      bool const installed = Pkg->CurrentVer != 0;
+      if (installed == true &&
+         (instVer != Pkg.CurrentVer() ||
+          ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) &&
+         Install(Pkg,FileNames[Pkg->ID]) == false)
+        return false;

       for (PkgIterator P = Pkg.Group().PackageList();
       for (PkgIterator P = Pkg.Group().PackageList();

-         P.end() == false; P = Pkg.Group().NextPkg(P))
+          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, Depth + 1);
+        if (P->CurrentVer == 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true ||
+            Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+             (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+           continue;
+        if (SmartUnPack(P, false, Depth + 1) == false)
+           return false;

       }
       }

-
-   if(Install(Pkg,FileNames[Pkg->ID]) == false)
+      if (installed == false && Install(Pkg,FileNames[Pkg->ID]) == false)
+        return false;
+      for (PkgIterator P = Pkg.Group().PackageList();
+          P.end() == false; P = Pkg.Group().NextPkg(P))
+      {
+        if (P->CurrentVer != 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true ||
+            List->IsFlag(P,pkgOrderList::Configured) == true ||
+            Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+             (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+           continue;
+        if (SmartUnPack(P, false, Depth + 1) == false)
+           return false;
+      }
+   }
+   // packages which are already unpacked don't need to be unpacked again
+   else if ((instVer != Pkg.CurrentVer() ||
+            ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) &&
+           Install(Pkg,FileNames[Pkg->ID]) == false)

       return false;
 
    if (Immediate == true) {
       // Perform immedate configuration of the package. 
          if (SmartConfigure(Pkg, Depth + 1) == false)
             _error->Warning(_("Could not perform immediate configuration on '%s'. "
       return false;
 
    if (Immediate == true) {
       // Perform immedate configuration of the package. 
          if (SmartConfigure(Pkg, Depth + 1) == 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);
+               "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.FullName().c_str(),2);

    }
    
    return true;
    }
    
    return true;


@@ -763,7 +952,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       clog << "Done ordering" << endl;
 
    bool DoneSomething = false;
       clog << "Done ordering" << endl;
 
    bool DoneSomething = false;

-   for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
+   for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)

    {
       PkgIterator Pkg(Cache,*I);
       
    {
       PkgIterator Pkg(Cache,*I);
       


@@ -771,11 +960,11 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       {
          if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) {
             if (SmartConfigure(Pkg, 0) == false && Debug)
       {
          if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) {
             if (SmartConfigure(Pkg, 0) == false && Debug)

-               _error->Warning("Internal Error, Could not configure %s",Pkg.Name());
+               _error->Warning("Internal Error, Could not configure %s",Pkg.FullName().c_str());

             // FIXME: The above warning message might need changing
          } else {
            if (Debug == true)
             // FIXME: The above warning message might need changing
          } else {
            if (Debug == true)

-              clog << "Skipping already done " << Pkg.Name() << endl;
+              clog << "Skipping already done " << Pkg.FullName() << endl;

         }
         continue;
         
         }
         continue;
         


@@ -784,7 +973,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       if (List->IsMissing(Pkg) == true)
       {
         if (Debug == true)
       if (List->IsMissing(Pkg) == true)
       {
         if (Debug == true)

-           clog << "Sequence completed at " << Pkg.Name() << endl;
+           clog << "Sequence completed at " << Pkg.FullName() << endl;

         if (DoneSomething == false)
         {
            _error->Error("Internal Error, ordering was unable to handle the media swap");
         if (DoneSomething == false)
         {
            _error->Error("Internal Error, ordering was unable to handle the media swap");


@@ -798,7 +987,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
          Pkg.State() == pkgCache::PkgIterator::NeedsNothing &&
          (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)
       {
          Pkg.State() == pkgCache::PkgIterator::NeedsNothing &&
          (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)
       {

-        _error->Error("Internal Error, trying to manipulate a kept package (%s)",Pkg.Name());
+        _error->Error("Internal Error, trying to manipulate a kept package (%s)",Pkg.FullName().c_str());

         return Failed;
       }
       
         return Failed;
       }
       


@@ -814,7 +1003,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       DoneSomething = true;
       
       if (ImmConfigureAll) {
       DoneSomething = true;
       
       if (ImmConfigureAll) {

-         /* ConfigureAll here to pick up and packages left unconfigured becuase they were unpacked in the 
+         /* ConfigureAll here to pick up and packages left unconfigured because they were unpacked in the

             "PreUnpack Checks" section */
          if (!ConfigureAll())
             return Failed; 
             "PreUnpack Checks" section */
          if (!ConfigureAll())
             return Failed; 


@@ -826,44 +1015,90 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       return Failed;
 
    // Sanity check
       return Failed;
 
    // Sanity check

-   for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
+   for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)

    {
       if (List->IsFlag(*I,pkgOrderList::Configured) == false)
       {
         _error->Error("Internal error, packages left unconfigured. %s",
    {
       if (List->IsFlag(*I,pkgOrderList::Configured) == false)
       {
         _error->Error("Internal error, packages left unconfigured. %s",

-                      PkgIterator(Cache,*I).Name());
+                      PkgIterator(Cache,*I).FullName().c_str());

         return Failed;
       }
    }
         
    return Completed;
         return Failed;
       }
    }
         
    return Completed;

+}
+// PM::DoInstallPostFork - compat /*{{{*/
+// ---------------------------------------------------------------------
+                                                                       /*}}}*/
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstallPostFork(int statusFd)
+{
+   APT::Progress::PackageManager *progress = new
+      APT::Progress::PackageManagerProgressFd(statusFd);
+   pkgPackageManager::OrderResult res = DoInstallPostFork(progress);
+   delete progress;
+   return res;

 }
                                                                        /*}}}*/
 // PM::DoInstallPostFork - Does install part that happens after the fork /*{{{*/
 // ---------------------------------------------------------------------
 pkgPackageManager::OrderResult 
 }
                                                                        /*}}}*/
 // PM::DoInstallPostFork - Does install part that happens after the fork /*{{{*/
 // ---------------------------------------------------------------------
 pkgPackageManager::OrderResult 

-pkgPackageManager::DoInstallPostFork(int statusFd)
+pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager *progress)

 {
 {

-      if(statusFd > 0)
-         // FIXME: use SetCloseExec here once it taught about throwing
-        //        exceptions instead of doing _exit(100) on failure
-        fcntl(statusFd,F_SETFD,FD_CLOEXEC); 
-      bool goResult = Go(statusFd);
-      if(goResult == false) 
-        return Failed;
-
-      return Res;
+   bool goResult = Go(progress);
+   if(goResult == false) 
+      return Failed;
+   
+   return Res;

 };
 };

+#else
+pkgPackageManager::OrderResult
+pkgPackageManager::DoInstallPostFork(int statusFd)
+{
+   bool goResult = Go(statusFd);
+   if(goResult == false) 
+      return Failed;
+   
+   return Res;
+}
+#endif
+                                                                       /*}}}*/ 
+// PM::DoInstall - Does the installation                               /*{{{*/
+// ---------------------------------------------------------------------
+/* compat */
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult 
+pkgPackageManager::DoInstall(int statusFd)
+{
+    APT::Progress::PackageManager *progress = new
+       APT::Progress::PackageManagerProgressFd(statusFd);
+    OrderResult res = DoInstall(progress);
+    delete progress;
+    return res;
+ }
+#else
+pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
+{
+   if(DoInstallPreFork() == Failed)
+      return Failed;

 
 

+   return DoInstallPostFork(statusFd);
+}
+#endif
+                                                                       /*}}}*/ 

 // PM::DoInstall - Does the installation                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This uses the filenames in FileNames and the information in the
    DepCache to perform the installation of packages.*/
 // PM::DoInstall - Does the installation                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This uses the filenames in FileNames and the information in the
    DepCache to perform the installation of packages.*/

-pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+pkgPackageManager::OrderResult 
+pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress)

 {
    if(DoInstallPreFork() == Failed)
       return Failed;
    
 {
    if(DoInstallPreFork() == Failed)
       return Failed;
    

-   return DoInstallPostFork(statusFd);
+   return DoInstallPostFork(progress);

 }
 }

+#endif

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