X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/cf4f17a9d87a36b20ef5afa2cb5145e466d8ad3b..bc5095b7d708c7e376f98be6edc2ad7cceca57ed:/apt-pkg/packagemanager.cc

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index a97ce4833..393f836f7 100644
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -13,7 +13,7 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#include<config.h>
+#include <config.h>
 
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/orderlist.h>
@@ -24,10 +24,17 @@
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sptr.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/strutl.h>
 
-#include <apti18n.h>
+#include <stddef.h>
+#include <list>
+#include <string>
 #include <iostream>
-#include <fcntl.h>
+
+#include <apti18n.h>
 									/*}}}*/
 using namespace std;
 
@@ -36,11 +43,13 @@ bool pkgPackageManager::SigINTStop = false;
 // 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];
-   List = 0;
    Debug = _config->FindB("Debug::pkgPackageManager",false);
+   NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true);
+   ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false);
 }
 									/*}}}*/
 // PM::PackageManager - Destructor					/*{{{*/
@@ -150,7 +159,7 @@ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned
 	 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);
 	 }
@@ -169,10 +178,7 @@ bool pkgPackageManager::CreateOrderList()
    
    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;
    
@@ -184,12 +190,11 @@ bool pkgPackageManager::CreateOrderList()
 	 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)
-	    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) {
@@ -217,7 +222,7 @@ bool pkgPackageManager::CreateOrderList()
    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] */
@@ -245,20 +250,20 @@ bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D,
 	  D->Type != pkgCache::Dep::Obsoletes)
 	 continue;
 
-      // The package hasnt been changed
+      // The package hasn't been changed
       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 (EarlyRemove(D.ParentPkg()) == false)
+      if (EarlyRemove(D.ParentPkg(), &D) == false)
 	 return _error->Error("Reverse conflicts early remove for package '%s' failed",
-			      Pkg.Name());
+			      Pkg.FullName().c_str());
    }
    return true;
 }
@@ -296,9 +301,9 @@ bool pkgPackageManager::ConfigureAll()
       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
-            _error->Error("Internal error, packages left unconfigured. %s",Pkg.Name());
+            _error->Error("Internal error, packages left unconfigured. %s",Pkg.FullName().c_str());
 	 return false;
       }
       
@@ -308,138 +313,202 @@ bool pkgPackageManager::ConfigureAll()
    return true;
 }
 									/*}}}*/
+// PM::NonLoopingSmart - helper to avoid loops while calling Smart methods /*{{{*/
+// -----------------------------------------------------------------------
+/* ensures that a loop of the form A depends B, B depends A (and similar)
+   is not leading us down into infinite recursion segfault land */
+bool pkgPackageManager::NonLoopingSmart(SmartAction const action, pkgCache::PkgIterator &Pkg,
+      pkgCache::PkgIterator DepPkg, int const Depth, bool const PkgLoop,
+      bool * const Bad, bool * const Changed)
+{
+   if (PkgLoop == false)
+      List->Flag(Pkg,pkgOrderList::Loop);
+   bool success = false;
+   switch(action)
+   {
+      case UNPACK_IMMEDIATE: success = SmartUnPack(DepPkg, true, Depth + 1); break;
+      case UNPACK: success = SmartUnPack(DepPkg, false, Depth + 1); break;
+      case CONFIGURE: success = SmartConfigure(DepPkg, Depth + 1); break;
+   }
+   if (PkgLoop == false)
+      List->RmFlag(Pkg,pkgOrderList::Loop);
+
+   if (success == false)
+      return false;
+
+   if (Bad != NULL)
+      *Bad = false;
+   if (Changed != NULL && List->IsFlag(DepPkg,pkgOrderList::Loop) == false)
+      *Changed = true;
+   return true;
+}
+									/*}}}*/
 // PM::SmartConfigure - Perform immediate configuration of the pkg	/*{{{*/
 // ---------------------------------------------------------------------
 /* This function tries 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. 
-   
-   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
-   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*/
+   This involves checking each of Pkg's dependencies and unpacking and
+   configuring packages where needed. */
 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);
-      clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.Name() << " (" << InstallVer.VerStr() << ")";
+      clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.FullName() << " (" << InstallVer.VerStr() << ")";
       if (PkgLoop)
-        clog << " (Only Correct Dependancies)";
+        clog << " (Only Correct Dependencies)";
       clog << endl;
    }
 
    VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
-      
-   /* Because of the ordered list, most dependancies should be unpacked, 
-      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; )
+
+   /* 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
+      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 (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop) {
-	            // This dependancy has already been dealt with by another SmartConfigure on Pkg
-	            Bad = false;
-	            break;
-                  } else if (List->IsFlag(Pkg,pkgOrderList::Loop)) {
-	            /* 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 */
-	             Bad = !SmartConfigure(DepPkg, Depth + 1);
-	          } else {
-	            /* 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);
-	            Bad = !SmartConfigure(DepPkg, Depth + 1);
-	            List->RmFlag(Pkg,pkgOrderList::Loop);
-	          }
-	          // If SmartConfigure was succesfull, Bad is false, so break
-	          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;
-	          break;
 	       }
+	       else
+	       {
+		  if (Debug)
+		     clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl;
+		  if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false)
+		     return 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;
+		  }
+		  if (Debug)
+		     std::clog << OutputInDepth(Depth) << "Configure already unpacked " << DepPkg << std::endl;
+		  if (NonLoopingSmart(CONFIGURE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false)
+		     return 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 (Bad) {
-      if (Debug)
-         _error->Warning(_("Could not configure '%s'. "),Pkg.Name());
-      return false;
-   }
-   
+      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 == true)
+      return _error->Error(_("Could not configure '%s'. "),Pkg.FullName().c_str());
+
    if (PkgLoop) return true;
 
    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());
+   if (List->IsFlag(Pkg,pkgOrderList::Configured))
+      return _error->Error("Internal configure error on '%s'.", Pkg.FullName().c_str());
 
    if (ConfigurePkgs == true && Configure(Pkg) == false)
       return false;
@@ -451,15 +520,17 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
 	   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;
-	 SmartConfigure(P, (Depth +1));
+	 if (SmartConfigure(P, (Depth +1)) == false)
+	    return 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;
 }
@@ -468,31 +539,41 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
 // ---------------------------------------------------------------------
 /* This is called to deal with conflicts arising from unpacking */
 bool pkgPackageManager::EarlyRemove(PkgIterator Pkg)
+{
+   return EarlyRemove(Pkg, NULL);
+}
+bool pkgPackageManager::EarlyRemove(PkgIterator Pkg, DepIterator const * const Dep)
 {
    if (List->IsNow(Pkg) == false)
       return true;
-	 
+
    // Already removed it
    if (List->IsFlag(Pkg,pkgOrderList::Removed) == true)
       return true;
-   
+
    // Woops, it will not be re-installed!
    if (List->IsFlag(Pkg,pkgOrderList::InList) == false)
       return false;
 
+   // these breaks on M-A:same packages can be dealt with. They 'loop' by design
+   if (Dep != NULL && (*Dep)->Type == pkgCache::Dep::DpkgBreaks && Dep->IsMultiArchImplicit() == true)
+      return true;
+
    // 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 
+   /* Check for packages that are the dependents of essential packages and
       promote them too */
    if (Pkg->CurrentVer != 0)
    {
-      for (DepIterator D = Pkg.RevDependsList(); D.end() == false &&
+      for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false &&
 	   IsEssential == false; ++D)
 	 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;
    }
 
@@ -503,13 +584,16 @@ 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 "
-				"APT::Force-LoopBreak option."),Pkg.Name());
+				"APT::Force-LoopBreak option."),Pkg.FullName().c_str());
    }
-   
+   // dpkg will auto-deconfigure it, no need for the big remove hammer
+   else if (Dep != NULL && (*Dep)->Type == pkgCache::Dep::DpkgBreaks)
+      return true;
+
    bool Res = SmartRemove(Pkg);
    if (Cache[Pkg].Delete() == false)
       List->Flag(Pkg,pkgOrderList::Removed,pkgOrderList::States);
-   
+
    return Res;
 }
 									/*}}}*/
@@ -524,12 +608,11 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
 
    return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
-   return true;
 }
 									/*}}}*/
 // 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)
 {
@@ -540,179 +623,230 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
    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)
-        cout << " (install version " << InstallVer.VerStr() << ")";
+        clog << " (install version " << InstallVer.VerStr() << ")";
       else
-        cout << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")";
+        clog << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")";
       if (PkgLoop)
-        cout << " (Only Perform PreUnpack Checks)";
-      cout << endl;
+        clog << " (Only Perform PreUnpack Checks)";
+      if (Immediate)
+	 clog << " immediately";
+      clog << endl;
    }
 
    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 
+   /* PreUnpack Checks: This loop checks and attempts to rectify any problems that would prevent the package being unpacked.
+      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
-      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. */
-   for (DepIterator D = instVer.DependsList();
-	D.end() == false; )
+   bool SomethingBad = false, Changed = false;
+   bool couldBeTemporaryRemoved = Depth != 0 && List->IsFlag(Pkg,pkgOrderList::Removed) == 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 DepPkg = 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;
-	 }
-	 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++)
-	 {
-	    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());
-	          }
+		  // Not the install version
+		  if (Cache[DepPkg].InstallVer != *I ||
+		      (Cache[DepPkg].Keep() == true && DepPkg.State() == PkgIterator::NeedsNothing))
+		     continue;
+
+		  if (List->IsFlag(DepPkg,pkgOrderList::Configured))
+		  {
+		     Bad = false;
+		     break;
+		  }
+
+		  // check if it needs unpack or if if configure is enough
+		  if (List->IsFlag(DepPkg,pkgOrderList::UnPacked) == false)
+		  {
+		     if (Debug)
+			clog << OutputInDepth(Depth) << "Trying to SmartUnpack " << DepPkg.FullName() << endl;
+		     if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false)
+			return false;
+		  }
+		  else
+		  {
+		     if (Debug)
+			clog << OutputInDepth(Depth) << "Trying to SmartConfigure " << DepPkg.FullName() << endl;
+		     if (NonLoopingSmart(CONFIGURE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false)
+			return false;
+		  }
+		  break;
 	       }
 	    }
+
+	    if (Bad == true)
+	       SomethingBad = true;
 	 }
-      }
-      
-      // 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::Conflicts ||
+		  End->Type == pkgCache::Dep::Obsoletes ||
+		  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 (List->IsFlag(BrokenPkg,pkgOrderList::Loop) && PkgLoop) {
-	        // This dependancy has already been dealt with by another SmartUnPack on Pkg
-	        break;
-	      } else if (List->IsFlag(Pkg,pkgOrderList::Loop)) {
-	        /* Found a break, so unpack the package, but dont remove loop as already set.
-	           This means that there is another SmartUnPack call for this 
-	           package and it will remove the loop flag. */
-	        if (Debug) 
-	          cout << OutputInDepth(Depth) << "  Unpacking " << BrokenPkg.Name() << " to avoid break" << endl;
-	            
-	        SmartUnPack(BrokenPkg, false, Depth + 1);
-	      } else {
-                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 ConflictPkg = Ver.ParentPkg();
+	       if (ConflictPkg.CurrentVer() != Ver)
+	       {
+		  if (Debug)
+		     std::clog << OutputInDepth(Depth) << "Ignore not-installed version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl;
+		  continue;
+	       }
+
+	       if (List->IsNow(ConflictPkg) == false)
+	       {
+		  if (Debug)
+		     std::clog << OutputInDepth(Depth) << "Ignore already dealt-with version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl;
+		  continue;
+	       }
+
+	       if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true)
+	       {
+		  if (Debug)
+		     clog << OutputInDepth(Depth) << "Ignoring " << End << " as " << ConflictPkg.FullName() << "was temporarily removed" << endl;
+		  continue;
+	       }
+
+	       if (List->IsFlag(ConflictPkg,pkgOrderList::Loop) && PkgLoop)
+	       {
+		  if (End->Type == pkgCache::Dep::DpkgBreaks && End.IsMultiArchImplicit() == true)
+		  {
+		     if (Debug)
+			clog << OutputInDepth(Depth) << "Because dependency is MultiArchImplicit we ignored looping on: " << ConflictPkg << endl;
+		     continue;
+		  }
+		  if (Debug)
+		  {
+		     if (End->Type == pkgCache::Dep::DpkgBreaks)
+			clog << OutputInDepth(Depth) << "Because of breaks knot, deconfigure " << ConflictPkg.FullName() << " temporarily" << endl;
+		     else
+			clog << OutputInDepth(Depth) << "Because of conflict knot, removing " << ConflictPkg.FullName() << " temporarily" << endl;
+		  }
+		  if (EarlyRemove(ConflictPkg, &End) == false)
+		     return _error->Error("Internal Error, Could not early remove %s (2)",ConflictPkg.FullName().c_str());
+		  SomethingBad = true;
+		  continue;
+	       }
+
+	       if (Cache[ConflictPkg].Delete() == false)
+	       {
+		  if (Debug)
+		  {
+		     clog << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.FullName() << " to avoid " << End;
+		     if (PkgLoop == true)
+			clog << " (Looping)";
+		     clog << std::endl;
+		  }
+		  // we would like to avoid temporary removals and all that at best via a simple unpack
+		  _error->PushToStack();
+		  if (NonLoopingSmart(UNPACK, Pkg, ConflictPkg, Depth, PkgLoop, NULL, &Changed) == false)
+		  {
+		     // but if it fails ignore this failure and look for alternative ways of solving
+		     if (Debug)
+		     {
+			clog << OutputInDepth(Depth) << "Avoidance unpack of " << ConflictPkg.FullName() << " failed for " << End << std::endl;
+			_error->DumpErrors(std::clog);
+		     }
+		     _error->RevertToStack();
+		     // ignorance can only happen if a) one of the offenders is already gone
+		     if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true)
+		     {
+			if (Debug)
+			   clog << OutputInDepth(Depth) << "But " << ConflictPkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl;
+		     }
+		     else if (List->IsFlag(Pkg,pkgOrderList::Removed) == true)
+		     {
+			if (Debug)
+			   clog << OutputInDepth(Depth) << "But " << Pkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl;
+		     }
+		     // or b) we can make one go (removal or dpkg auto-deconfigure)
+		     else
+		     {
+			if (Debug)
+			   clog << OutputInDepth(Depth) << "So temprorary remove/deconfigure " << ConflictPkg.FullName() << " to satisfy " << End << endl;
+			if (EarlyRemove(ConflictPkg, &End) == false)
+			   return _error->Error("Internal Error, Could not early remove %s (2)",ConflictPkg.FullName().c_str());
+		     }
+		  }
+		  else
+		     _error->MergeWithStack();
+	       }
+	       else
+	       {
+		  if (Debug)
+		     clog << OutputInDepth(Depth) << "Removing " << ConflictPkg.FullName() << " now to avoid " << End << endl;
+		  // no earlyremove() here as user has already agreed to the permanent removal
+		  if (SmartRemove(Pkg) == false)
+		     return _error->Error("Internal Error, Could not early remove %s (1)",ConflictPkg.FullName().c_str());
+	       }
 	    }
 	 }
       }
+      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);
+
+   if (SomethingBad == true)
+      return _error->Error("Couldn't configure %s, probably a dependency cycle.", Pkg.FullName().c_str());
+
+   if (couldBeTemporaryRemoved == true && List->IsFlag(Pkg,pkgOrderList::Removed) == true)
+   {
+      if (Debug)
+	 std::clog << OutputInDepth(Depth) << "Prevent unpack as " << Pkg << " is currently temporarily removed" << std::endl;
+      return true;
    }
-   
+
    // Check for reverse conflicts.
    if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
 		   instVer.VerStr()) == false)
@@ -728,14 +862,17 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
 
    List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
 
-   if (Immediate == true && 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 && Install(Pkg,FileNames[Pkg->ID]) == false)
+      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();
 	   P.end() == false; P = Pkg.Group().NextPkg(P))
@@ -753,6 +890,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
 	   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;
@@ -761,14 +899,16 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
       }
    }
    // packages which are already unpacked don't need to be unpacked again
-   else if (Pkg.State() != pkgCache::PkgIterator::NeedsConfigure && Install(Pkg,FileNames[Pkg->ID]) == false)
+   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'. "
-               "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2);
+            _error->Error(_("Could not perform immediate configuration on '%s'. "
+               "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.FullName().c_str(),2);
    }
    
    return true;
@@ -803,25 +943,18 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I)
    {
       PkgIterator Pkg(Cache,*I);
-      
+
       if (List->IsNow(Pkg) == false)
       {
-         if (!List->IsFlag(Pkg,pkgOrderList::Configured) && !NoImmConfigure) {
-            if (SmartConfigure(Pkg, 0) == 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;
-	 }
+	 if (Debug == true)
+	    clog << "Skipping already done " << Pkg.FullName() << endl;
 	 continue;
-	 
       }
-      
+
       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");
@@ -835,7 +968,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
 	  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;
       }
       
@@ -851,7 +984,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       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; 
@@ -868,39 +1001,85 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
       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;
+}
+// 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 
-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.*/
-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;
    
-   return DoInstallPostFork(statusFd);
+   return DoInstallPostFork(progress);
 }
+#endif
 									/*}}}*/