X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/be2033f9563d148c1ebf1b70c46a1aba6501c031..634985f8:/apt-pkg/packagemanager.cc

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index 7aef49718..874472a47 100644
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -80,7 +80,7 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
       // Skip already processed packages
       if (List->IsNow(Pkg) == false)
 	 continue;
-	 
+
       new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache),
 			FileNames[Pkg->ID]);
    }
@@ -167,6 +167,10 @@ bool pkgPackageManager::CreateOrderList()
    List = new pkgOrderList(&Cache);
    
    static bool const NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true);
+   ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false);
+   
+   if (Debug && ImmConfigureAll) 
+      clog << "CreateOrderList(): Adding Immediate flag for all packages because of APT::Immediate-Configure-All" << endl;
    
    // Generate the list of affected packages and sort it
    for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
@@ -176,19 +180,21 @@ bool pkgPackageManager::CreateOrderList()
 	 continue;
       
       // Mark the package and its dependends for immediate configuration
-      if (((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
+      if ((((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
 	   (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) &&
-	  NoImmConfigure == false)
+	  NoImmConfigure == false) || ImmConfigureAll)
       {
-	 if(Debug)
+	 if(Debug && !ImmConfigureAll)
 	    clog << "CreateOrderList(): Adding Immediate flag for " << I.Name() << endl;
 	 List->Flag(I,pkgOrderList::Immediate);
-
-	 // Look for other install packages to make immediate configurea
-	 ImmediateAdd(I, true);
 	 
-	 // And again with the current version.
-	 ImmediateAdd(I, false);
+	 if (!ImmConfigureAll) {
+	    // Look for other install packages to make immediate configurea
+	    ImmediateAdd(I, true);
+	  
+	    // And again with the current version.
+	    ImmediateAdd(I, false);
+	 }
       }
       
       // Not interesting
@@ -277,9 +283,11 @@ bool pkgPackageManager::ConfigureAll()
    for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
-      
-      if (ConfigurePkgs == true && Configure(Pkg) == false)
+
+      if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false) {
+         _error->Error("Internal error, packages left unconfigured. %s",Pkg.Name());
 	 return false;
+      }
       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
    }
@@ -313,17 +321,114 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
    {
       PkgIterator Pkg(Cache,*I);
       
-      if (ConfigurePkgs == true && Configure(Pkg) == false)
+      if (ConfigurePkgs == true && VerifyAndConfigure(Pkg,OList) == false)
 	 return false;
       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
    }
 
+   if (Cache[Pkg].InstVerIter(Cache)->MultiArch == pkgCache::Version::Same)
+      for (PkgIterator P = Pkg.Group().PackageList();
+	   P.end() == false; P = Pkg.Group().NextPkg(P))
+      {
+	 if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true ||
+	     Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+	      (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+	    continue;
+	 SmartConfigure(P);
+      }
+
    // Sanity Check
-   if (List->IsFlag(Pkg,pkgOrderList::Configured) == false)
-      return _error->Error("Internal error, could not immediate configure %s",Pkg.Name());
-   
+   if (List->IsFlag(Pkg,pkgOrderList::Configured) == false && Debug)
+      _error->Error(_("Could not perform immediate configuration on '%s'. "
+			"Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1);
+
+   return true;
+}
+
+// PM::VerifyConfigure - Check configuration of dependancies     /*{{{*/
+// ---------------------------------------------------------------------
+/* This routine checks that all a packages dependancies have been 
+   configured, before it is going to be configured. If this gives a warning 
+   on a virtual package, it means that the package thats providing it is not
+   configured*/
+bool pkgPackageManager::VerifyConfigure(PkgIterator Pkg, pkgOrderList &OList)
+{
+   // If this is true at the end, then the package should not be configured
+   bool error=true;
+   // This holds the the OR status of the previous dependancy  
+   bool previousOr=false;
+
+   // First iterate through the dependancies of Pkg
+   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); D.end() == false; D++)
+   {
+      
+      /* If the dependancy is of type Depends or PreDepends, we need to check it, but only if it is going to be 
+         configured at some point */
+      if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) {
+         
+         /* If the previous package and this package are OR dependancies, and the previous package satisfied the dependancy
+            then skip this dependancy as it is not relevent, this will repeat for the next package if the situation is the 
+            same */
+         if (previousOr && !error) { // As error has not been reset, this refers to the previous dependancy 
+            previousOr = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
+            continue;
+         }
+        
+         // Reset error
+         error = true;
+
+         // Check thorugh all possible versions of this dependancy (D)
+         SPtrArray<Version *> VList = D.AllTargets();
+	 for (Version **I = VList; *I != 0; I++)
+	 {
+	    VerIterator DepVer(Cache,*I);
+	    PkgIterator DepPkg = DepVer.ParentPkg();
+	    VerIterator DepInstallVer(Cache,Cache[DepPkg].InstallVer);
+	    
+	    if (DepPkg.CurrentVer() == DepVer && !List->IsFlag(DepPkg,pkgOrderList::UnPacked)) {
+	       error=false;
+	       break;
+	    }
+	    
+	    if (Cache[DepPkg].InstallVer == DepVer && 
+	       (List->IsFlag(DepPkg,pkgOrderList::Configured) || OList.IsFlag(DepPkg,pkgOrderList::InList))) {
+	       error=false;
+	       break;
+	    }
+	 }
+
+         /* Only worry here if this package is a OR with the next, as even though this package does not satisfy the OR
+            the next one might */
+         if (error && !((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)) {
+             _error->Error("Package %s should not be configured because package %s is not configured",Pkg.Name(),D.TargetPkg().Name());
+             return false; 
+         /* If the previous package is a OR but not this package, but there is still an error then fail as it will not
+            be satisfied */    
+         } else if (error && previousOr && !((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)) {
+             _error->Error("Package %s should not be configured because package %s (or any alternatives) are not configured",Pkg.Name(),D.TargetPkg().Name());
+             return false; 
+         }
+         
+         previousOr = (D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
+      } else {
+         previousOr=false;
+      }
+   }
    return true;
+}
+
+// PM::VerifyAndConfigure - Check configuration of dependancies     /*{{{*/
+// ---------------------------------------------------------------------
+/* This routine verifies if a package can be configured and if so 
+   configures it  */
+bool pkgPackageManager::VerifyAndConfigure(PkgIterator Pkg, pkgOrderList &OList)
+{
+   if (VerifyConfigure(Pkg, OList)) 
+      return Configure(Pkg);
+   else
+      return false;
+   
 }
 									/*}}}*/
 // PM::DepAdd - Add all dependents to the oder list			/*{{{*/
@@ -337,6 +442,9 @@ bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth)
       return true;
    if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == false)
       return false;
+
+   if (Debug) 
+      std::clog << OutputInDepth(Depth) << "DepAdd: " << Pkg.Name() << std::endl;
       
    // Put the package on the list
    OList.push_back(Pkg);
@@ -367,7 +475,33 @@ bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth)
 	 {
 	    VerIterator Ver(Cache,*I);
 	    PkgIterator Pkg = Ver.ParentPkg();
+	    VerIterator InstallVer(Cache,Cache[Pkg].InstallVer);
+	    VerIterator CandVer(Cache,Cache[Pkg].CandidateVer);
+	    
+	    if (Debug && false) {
+	       if (Ver==0) {
+	          cout << OutputInDepth(Depth) << "Checking if " << Ver << " of " << Pkg.Name() << " satisfies this dependancy" << endl;
+	       } else {
+	          cout << OutputInDepth(Depth) << "Checking if " << Ver.VerStr() << " of " << Pkg.Name() << " satisfies this dependancy" << endl;
+               }
+
+               if (Pkg.CurrentVer()==0) {
+                  cout << OutputInDepth(Depth) << "  CurrentVer " << Pkg.CurrentVer() << " IsNow " << List->IsNow(Pkg) << " NeedsNothing " << (Pkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << OutputInDepth(Depth) << "  CurrentVer " << Pkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(Pkg) << " NeedsNothing " << (Pkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
 
+               if (InstallVer==0) {
+                  cout << OutputInDepth(Depth )<< "  InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << OutputInDepth(Depth )<< "  InstallVer " << InstallVer.VerStr() << endl; 
+               }
+               if (CandVer != 0)
+                  cout << OutputInDepth(Depth ) << "  CandVer " << CandVer.VerStr() << endl; 
+
+               cout << OutputInDepth(Depth) << "  Keep " << Cache[Pkg].Keep() << " Unpacked " << List->IsFlag(Pkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(Pkg,pkgOrderList::Configured) << endl;
+               
+            }
 	    // See if the current version is ok
 	    if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true && 
 		Pkg.State() == PkgIterator::NeedsNothing)
@@ -377,8 +511,9 @@ bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth)
 	    }
 	    
 	    // Not the install version 
-	    if (Cache[Pkg].InstallVer != *I || 
-		(Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
+	    if ((Cache[Pkg].InstallVer != *I && Cache[Pkg].CandidateVer != *I) || 
+		(Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing && 
+		(Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
 	       continue;
 	    
 	    if (List->IsFlag(Pkg,pkgOrderList::UnPacked) == true)
@@ -390,6 +525,8 @@ bool pkgPackageManager::DepAdd(pkgOrderList &OList,PkgIterator Pkg,int Depth)
       
       if (Bad == true)
       {
+	 if (Debug) 
+	    std::clog << OutputInDepth(Depth) << "DepAdd FAILS on: " << Pkg.Name() << std::endl;
 	 OList.Flag(Pkg,0,pkgOrderList::Added);
 	 OList.pop_back();
 	 Depth--;
@@ -459,7 +596,9 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
       return true;
 
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
+
    return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
+   return true;
 }
 									/*}}}*/
 // PM::SmartUnPack - Install helper					/*{{{*/
@@ -467,21 +606,31 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
 /* This performs the task of handling pre-depends. */
 bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 {
+   return SmartUnPack(Pkg, true);
+}
+bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate)
+{
+   if (Debug == true)
+      clog << "SmartUnPack " << Pkg.Name() << endl;
+
    // Check if it is already unpacked
    if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
        Cache[Pkg].Keep() == true)
    {
       List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
-      if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
+      if (Immediate == true &&
+	  List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
 	 if (SmartConfigure(Pkg) == false)
-	    return _error->Error(_("Could not perform immediate configuration for on already unpacked %s."
+	    _error->Warning(_("Could not perform immediate configuration on already unpacked '%s'. "
 			"Please see man 5 apt.conf under APT::Immediate-Configure for details."),Pkg.Name());
       return true;
    }
+   
+   VerIterator const instVer = Cache[Pkg].InstVerIter(Cache);
 
    /* See if this packages install version has any predependencies
       that are not met by 'now' packages. */
-   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); 
+   for (DepIterator D = instVer.DependsList();
 	D.end() == false; )
    {
       // Compute a single dependency element (glob or)
@@ -491,7 +640,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
       
       while (End->Type == pkgCache::Dep::PreDepends)
       {
-	 if (Debug == true)
+	 if (Debug)
 	    clog << "PreDepends order for " << Pkg.Name() << std::endl;
 
 	 // Look for possible ok targets.
@@ -507,7 +656,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 		Pkg.State() == PkgIterator::NeedsNothing)
 	    {
 	       Bad = false;
-	       if (Debug == true)
+	       if (Debug)
 		  clog << "Found ok package " << Pkg.Name() << endl;
 	       continue;
 	    }
@@ -524,7 +673,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 		(Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
 	       continue;
 
-	    if (Debug == true)
+	    if (Debug)
 	       clog << "Trying to SmartConfigure " << Pkg.Name() << endl;
 	    Bad = !SmartConfigure(Pkg);
 	 }
@@ -540,7 +689,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 				    End.TargetPkg().Name(),Pkg.Name());
 	    Start++;
 	 }
-	 else
+	 else 
 	    break;
       }
       
@@ -553,37 +702,250 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 	 for (Version **I = VList; *I != 0; I++)
 	 {
 	    VerIterator Ver(Cache,*I);
-	    PkgIterator Pkg = Ver.ParentPkg();
+	    PkgIterator ConflictPkg = Ver.ParentPkg();
+	    VerIterator InstallVer(Cache,Cache[ConflictPkg].InstallVer);
 	    
 	    // See if the current version is conflicting
-	    if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true)
+	    if (ConflictPkg.CurrentVer() == Ver && !List->IsFlag(ConflictPkg,pkgOrderList::UnPacked))
 	    {
-	       if (EarlyRemove(Pkg) == false)
-		  return _error->Error("Internal Error, Could not early remove %s",Pkg.Name());
+	    	if (Debug && false) 
+	         cout << " " << Pkg.Name() << " conflicts with " << ConflictPkg.Name() << endl;
+	         
+	   if (Debug && false) {
+	       if (Ver==0) {
+	          cout << "  Checking if " << Ver << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl;
+	       } else {
+	          cout << "  Checking if " << Ver.VerStr() << " of " << ConflictPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (ConflictPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << ConflictPkg.CurrentVer() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << ConflictPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(ConflictPkg) << " NeedsNothing " << (ConflictPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
+
+               cout << "    Keep " << Cache[ConflictPkg].Keep() << " Unpacked " << List->IsFlag(ConflictPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(ConflictPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(ConflictPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(ConflictPkg,pkgOrderList::Loop) << endl;
+               cout << "    Delete " << Cache[ConflictPkg].Delete() << endl;
+            }
+	    
+	       if (!List->IsFlag(ConflictPkg,pkgOrderList::Loop)) {
+	          if (Cache[ConflictPkg].Keep() == 0 && Cache[ConflictPkg].InstallVer != 0) {
+                      cout << "Unpacking " << ConflictPkg.Name() << " to prevent conflict" << endl;
+	              List->Flag(Pkg,pkgOrderList::Loop);
+	              SmartUnPack(ConflictPkg,false);
+                  } else {
+                      if (EarlyRemove(ConflictPkg) == false)
+                         return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name());
+                  }
+	       } else {
+	          if (!List->IsFlag(ConflictPkg,pkgOrderList::Removed)) {
+                      cout << "Because of conficts knot, removing " << ConflictPkg.Name() << " to conflict violation" << endl;
+	              if (EarlyRemove(ConflictPkg) == false)
+                          return _error->Error("Internal Error, Could not early remove %s",ConflictPkg.Name());
+	          }
+	       }
 	    }
 	 }
       }
-   }
+      
+      // Check for breaks
+      if (End->Type == pkgCache::Dep::DpkgBreaks) {
+         SPtrArray<Version *> VList = End.AllTargets();
+	 for (Version **I = VList; *I != 0; I++)
+	 {
+	    VerIterator Ver(Cache,*I);
+	    PkgIterator BrokenPkg = Ver.ParentPkg();
+	    VerIterator InstallVer(Cache,Cache[BrokenPkg].InstallVer);
+	    
+	    cout << "  " << Pkg.Name() << " breaks " << BrokenPkg.Name() << endl;
+	    if (Debug && false) {
+	       if (Ver==0) {
+	          cout << "  Checking if " << Ver << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl;
+	       } else {
+	          cout << "  Checking if " << Ver.VerStr() << " of " << BrokenPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (BrokenPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << BrokenPkg.CurrentVer() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << BrokenPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(BrokenPkg) << " NeedsNothing " << (BrokenPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
 
-   // Check for reverse conflicts.
-   if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
-		   Cache[Pkg].InstVerIter(Cache).VerStr()) == false)
-      return false;
+               cout << "    Keep " << Cache[BrokenPkg].Keep() << " Unpacked " << List->IsFlag(BrokenPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(BrokenPkg,pkgOrderList::Configured) << " Removed " << List->IsFlag(BrokenPkg,pkgOrderList::Removed) << " Loop " << List->IsFlag(BrokenPkg,pkgOrderList::Loop) << " InList " << List->IsFlag(BrokenPkg,pkgOrderList::InList) << endl;
+               cout << "    Delete " << Cache[BrokenPkg].Delete() << endl;
+            }
+	    // Check if it needs to be unpacked
+	    if (List->IsFlag(BrokenPkg,pkgOrderList::InList) && Cache[BrokenPkg].Delete() == false && 
+	        !List->IsFlag(BrokenPkg,pkgOrderList::Loop) && List->IsNow(BrokenPkg)) {
+              List->Flag(Pkg,pkgOrderList::Loop);
+	      // Found a break, so unpack the package
+	      if (Debug) 
+	         cout << "  Unpacking " << BrokenPkg.Name() << " to avoid break" << endl;
+	      SmartUnPack(BrokenPkg, false);
+	    }
+	    // Check if a package needs to be removed
+	    if (Cache[BrokenPkg].Delete() == true && !List->IsFlag(BrokenPkg,pkgOrderList::Configured)) {
+	      if (Debug) 
+	         cout << "  Removing " << BrokenPkg.Name() << " to avoid break" << endl;
+	      SmartRemove(BrokenPkg);
+	    }
+	 }
+      }
+   }
    
-   for (PrvIterator P = Cache[Pkg].InstVerIter(Cache).ProvidesList(); 
-	P.end() == false; P++)
-      CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
+   // FIXME: Crude but effective fix, allows the SmartUnPack method to be used for packages that new to the system
+   if (instVer != 0) {
+     //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << instVer.VerStr() << endl;
    
-   if (Install(Pkg,FileNames[Pkg->ID]) == false)
-      return false;
+     // Check for reverse conflicts.
+     if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
+		   instVer.VerStr()) == false)
+        return false;
    
-   List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
+     for (PrvIterator P = instVer.ProvidesList();
+	  P.end() == false; P++)
+        CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
+
+     List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
+
+     if (instVer->MultiArch == pkgCache::Version::Same)
+        for (PkgIterator P = Pkg.Group().PackageList();
+  	     P.end() == false; P = Pkg.Group().NextPkg(P))
+        {
+	   if (Pkg == P || List->IsFlag(P,pkgOrderList::UnPacked) == true ||
+	       Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer &&
+	        (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall))
+	      continue;
+	   SmartUnPack(P, false);
+        }
+      
+   } else {
+       VerIterator InstallVer(Cache,Cache[Pkg].InstallVer);
+       //cout << "Check for reverse conflicts on " << Pkg.Name() << " " << InstallVer.VerStr() << endl;
+   
+       // Check for reverse conflicts.
+       if (CheckRConflicts(Pkg,Pkg.RevDependsList(),
+		   InstallVer.VerStr()) == false)
+        return false;
+        
+      List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
+   }
+
+   if(Install(Pkg,FileNames[Pkg->ID]) == false)
+      return false;
+
+   /* Because of the ordered list, most dependancies should be unpacked, 
+      however if there is a loop this is not the case, so check for dependancies before configuring.
+      This is done after the package installation as it makes it easier to deal with conflicts problems */
+   bool Bad = true;
+   for (DepIterator D = instVer.DependsList();
+	D.end() == false; )
+   {
+      // 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();
+         
+	 for (Version **I = VList; *I != 0; I++) {
+	    VerIterator Ver(Cache,*I);
+	    DepPkg = Ver.ParentPkg();
+	    
+	    if (!Bad) continue;
+	       
+	    InstallVer = VerIterator(Cache,Cache[DepPkg].InstallVer);
+	    VerIterator CandVer(Cache,Cache[DepPkg].CandidateVer);
+	    
+	    if (Debug && false) {
+	       if (Ver==0) {
+	          cout << "  Checking if " << Ver << " of " << DepPkg.Name() << " satisfies this dependancy" << endl;
+	       } else {
+	          cout << "  Checking if " << Ver.VerStr() << " of " << DepPkg.Name() << " satisfies this dependancy" << endl;
+               }
+            
+               if (DepPkg.CurrentVer()==0) {
+                  cout << "    CurrentVer " << DepPkg.CurrentVer() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl;
+               } else { 
+                  cout << "    CurrentVer " << DepPkg.CurrentVer().VerStr() << " IsNow " << List->IsNow(DepPkg) << " NeedsNothing " << (DepPkg.State() == PkgIterator::NeedsNothing) << endl;
+               }
+            
+               if (InstallVer==0) {
+                  cout << "    InstallVer " << InstallVer << endl;
+               } else { 
+                  cout << "    InstallVer " << InstallVer.VerStr() << endl; 
+               }
+               if (CandVer != 0)
+                  cout << "    CandVer " << CandVer.VerStr() << endl; 
+
+               cout << "    Keep " << Cache[DepPkg].Keep() << " Unpacked " << List->IsFlag(DepPkg,pkgOrderList::UnPacked) << " Configured " << List->IsFlag(DepPkg,pkgOrderList::Configured) << endl;
+               
+            }
+ 
+	    // Check if it satisfies this dependancy
+	    if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && 
+		DepPkg.State() == PkgIterator::NeedsNothing)
+	    {
+	       Bad = false;
+	       continue;
+	    }
+	    
+	    if (Cache[DepPkg].InstallVer == *I && !List->IsNow(DepPkg)) {
+	       Bad = false;
+	       continue;
+	    }
+	 }
+	 
+	 if (InstallVer != 0 && Bad) {
+	    Bad = false;
+	    // Found a break, so unpack the package
+	    List->Flag(Pkg,pkgOrderList::Loop);
+	    if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+	       if (Debug) 
+	          cout << "  Unpacking " << DepPkg.Name() << " to avoid loop" << endl;
+	       SmartUnPack(DepPkg, false);
+	    }
+	 }
+	 
+	 if (Start==End) {
+	    if (Bad && Debug) {
+	       if (!List->IsFlag(DepPkg,pkgOrderList::Loop)) {
+                  _error->Warning("Could not satisfy dependancies for %s",Pkg.Name());
+               } 
+	    }
+	    break;
+	       
+	 } else {
+            Start++;
+         }
+      }
+   }
    
    // Perform immedate configuration of the package.
-   if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
+   if (Immediate == true &&
+       List->IsFlag(Pkg,pkgOrderList::Immediate) == true && !Bad)
       if (SmartConfigure(Pkg) == false)
-	 return _error->Error(_("Could not perform immediate configuration on %s."
-			"Please see man 5 apt.conf under APT::Immediate-Configure for details."),Pkg.Name());
+	 _error->Warning(_("Could not perform immediate configuration on '%s'. "
+			"Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2);
    
    return true;
 }
@@ -617,12 +979,19 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
-
+      
       if (List->IsNow(Pkg) == false)
       {
-	 if (Debug == true)
-	    clog << "Skipping already done " << Pkg.Name() << endl;
+         if (!List->IsFlag(Pkg,pkgOrderList::Configured)) {
+            if (SmartConfigure(Pkg) == false && Debug)
+               _error->Warning("Internal Error, Could not configure %s",Pkg.Name());
+            // FIXME: The above warning message might need changing
+         } else {   
+	    if (Debug == true)
+	       clog << "Skipping already done " << Pkg.Name() << endl;
+	 }
 	 continue;
+	 
       }
       
       if (List->IsMissing(Pkg) == true)
@@ -671,7 +1040,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
 		       PkgIterator(Cache,*I).Name());
 	 return Failed;
       }
-   }   
+   }
 	 
    return Completed;
 }
@@ -703,4 +1072,4 @@ pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd)
    
    return DoInstallPostFork(statusFd);
 }
-									/*}}}*/
+									/*}}}*/