French updated by Christian Perrier

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

diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index ba43bc7572cde5057b70848b42032e2b1f8cdea1..3a179b2a282f347f2594291148576dd5246f4381 100644 (file)
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -63,6 +63,8 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

+#include<config.h>
+

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


@@ -80,16 +82,14 @@ pkgOrderList *pkgOrderList::Me = 0;
 // OrderList::pkgOrderList - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // OrderList::pkgOrderList - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-pkgOrderList::pkgOrderList(pkgDepCache *pCache) : Cache(*pCache)
+pkgOrderList::pkgOrderList(pkgDepCache *pCache) : Cache(*pCache),
+                                                 Primary(NULL), Secondary(NULL),
+                                                 RevDepends(NULL), Remove(NULL),
+                                                 AfterEnd(NULL), FileList(NULL),
+                                                 LoopCount(-1), Depth(0)

 {
 {

-   FileList = 0;
-   Primary = 0;
-   Secondary = 0;
-   RevDepends = 0;
-   Remove = 0;
-   LoopCount = -1;

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

-   
+

    /* Construct the arrays, egcs 1.0.1 bug requires the package count
       hack */
    unsigned long Size = Cache.Head().PackageCount;
    /* Construct the arrays, egcs 1.0.1 bug requires the package count
       hack */
    unsigned long Size = Cache.Head().PackageCount;


@@ -145,14 +145,14 @@ bool pkgOrderList::DoRun()
    Depth = 0;
    WipeFlags(Added | AddPending | Loop | InList);
 
    Depth = 0;
    WipeFlags(Added | AddPending | Loop | InList);
 

-   for (iterator I = List; I != End; I++)
+   for (iterator I = List; I != End; ++I)

       Flag(*I,InList);
 
    // Rebuild the main list into the temp list.
    iterator OldEnd = End;
    End = NList;
       Flag(*I,InList);
 
    // Rebuild the main list into the temp list.
    iterator OldEnd = End;
    End = NList;

-   for (iterator I = List; I != OldEnd; I++)
-      if (VisitNode(PkgIterator(Cache,*I)) == false)
+   for (iterator I = List; I != OldEnd; ++I)
+      if (VisitNode(PkgIterator(Cache,*I), "DoRun") == false)

       {
         End = OldEnd;
         return false;
       {
         End = OldEnd;
         return false;


@@ -197,7 +197,7 @@ bool pkgOrderList::OrderCritical()
    {
       clog << "** Critical Unpack ordering done" << endl;
 
    {
       clog << "** Critical Unpack ordering done" << endl;
 

-      for (iterator I = List; I != End; I++)
+      for (iterator I = List; I != End; ++I)

       {
         PkgIterator P(Cache,*I);
         if (IsNow(P) == true)
       {
         PkgIterator P(Cache,*I);
         if (IsNow(P) == true)


@@ -222,7 +222,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
       WipeFlags(After);
 
       // Set the inlist flag
       WipeFlags(After);
 
       // Set the inlist flag

-      for (iterator I = List; I != End; I++)
+      for (iterator I = List; I != End; ++I)

       {
         PkgIterator P(Cache,*I);
         if (IsMissing(P) == true && IsNow(P) == true)
       {
         PkgIterator P(Cache,*I);
         if (IsMissing(P) == true && IsNow(P) == true)


@@ -270,7 +270,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
    {
       clog << "** Unpack ordering done" << endl;
 
    {
       clog << "** Unpack ordering done" << endl;
 

-      for (iterator I = List; I != End; I++)
+      for (iterator I = List; I != End; ++I)

       {
         PkgIterator P(Cache,*I);
         if (IsNow(P) == true)
       {
         PkgIterator P(Cache,*I);
         if (IsNow(P) == true)


@@ -323,7 +323,7 @@ int pkgOrderList::Score(PkgIterator Pkg)
       Score += ScoreImmediate;
 
    for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList();
       Score += ScoreImmediate;
 
    for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList();

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

       if (D->Type == pkgCache::Dep::PreDepends)
       {
         Score += ScorePreDepends;
       if (D->Type == pkgCache::Dep::PreDepends)
       {
         Score += ScorePreDepends;


@@ -488,40 +488,76 @@ bool pkgOrderList::VisitRProvides(DepFunc F,VerIterator Ver)
       return true;
    
    bool Res = true;
       return true;
    
    bool Res = true;

-   for (PrvIterator P = Ver.ProvidesList(); P.end() == false; P++)
+   for (PrvIterator P = Ver.ProvidesList(); P.end() == false; ++P)

       Res &= (this->*F)(P.ParentPkg().RevDependsList());
    return Res;
 }
                                                                        /*}}}*/
 // OrderList::VisitProvides - Visit all of the providing packages      /*{{{*/
 // ---------------------------------------------------------------------
       Res &= (this->*F)(P.ParentPkg().RevDependsList());
    return Res;
 }
                                                                        /*}}}*/
 // OrderList::VisitProvides - Visit all of the providing packages      /*{{{*/
 // ---------------------------------------------------------------------

-/* This routine calls visit on all providing packages. */
+/* This routine calls visit on all providing packages.
+
+   If the dependency is negative it first visits packages which are
+   intended to be removed and after that all other packages.
+   It does so to avoid situations in which this package is used to
+   satisfy a (or-group/provides) dependency of another package which
+   could have been satisfied also by upgrading another package -
+   otherwise we have more broken packages dpkg needs to auto-
+   deconfigure and in very complicated situations it even decides
+   against it! */

 bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
 bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)

-{   
+{

    SPtrArray<Version *> List = D.AllTargets();
    SPtrArray<Version *> List = D.AllTargets();

-   for (Version **I = List; *I != 0; I++)
+   for (Version **I = List; *I != 0; ++I)

    {
       VerIterator Ver(Cache,*I);
       PkgIterator Pkg = Ver.ParentPkg();
 
    {
       VerIterator Ver(Cache,*I);
       PkgIterator Pkg = Ver.ParentPkg();
 

+      if (D.IsNegative() == true && Cache[Pkg].Delete() == false)
+        continue;
+

       if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)
         continue;
       if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)
         continue;

-      
+

       if (D.IsNegative() == false &&
          Cache[Pkg].InstallVer != *I)
         continue;
       if (D.IsNegative() == false &&
          Cache[Pkg].InstallVer != *I)
         continue;

-      
+

       if (D.IsNegative() == true &&
          (Version *)Pkg.CurrentVer() != *I)
         continue;
       if (D.IsNegative() == true &&
          (Version *)Pkg.CurrentVer() != *I)
         continue;

-      
+
+      // Skip over missing files
+      if (Critical == false && IsMissing(D.ParentPkg()) == true)
+        continue;
+
+      if (VisitNode(Pkg, "Provides-1") == false)
+        return false;
+   }
+   if (D.IsNegative() == false)
+      return true;
+   for (Version **I = List; *I != 0; ++I)
+   {
+      VerIterator Ver(Cache,*I);
+      PkgIterator Pkg = Ver.ParentPkg();
+
+      if (Cache[Pkg].Delete() == true)
+        continue;
+
+      if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing)
+        continue;
+
+      if ((Version *)Pkg.CurrentVer() != *I)
+        continue;
+

       // Skip over missing files
       if (Critical == false && IsMissing(D.ParentPkg()) == true)
         continue;
 
       // Skip over missing files
       if (Critical == false && IsMissing(D.ParentPkg()) == true)
         continue;
 

-      if (VisitNode(Pkg) == false)
+      if (VisitNode(Pkg, "Provides-2") == false)

         return false;
    }
         return false;
    }

+

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


@@ -530,7 +566,7 @@ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
 /* This is the core ordering routine. It calls the set dependency
    consideration functions which then potentialy call this again. Finite
    depth is achived through the colouring mechinism. */
 /* This is the core ordering routine. It calls the set dependency
    consideration functions which then potentialy call this again. Finite
    depth is achived through the colouring mechinism. */

-bool pkgOrderList::VisitNode(PkgIterator Pkg)
+bool pkgOrderList::VisitNode(PkgIterator Pkg, char const* from)

 {
    // Looping or irrelevent.
    // This should probably trancend not installed packages
 {
    // Looping or irrelevent.
    // This should probably trancend not installed packages


@@ -541,7 +577,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg)
    if (Debug == true)
    {
       for (int j = 0; j != Depth; j++) clog << ' ';
    if (Debug == true)
    {
       for (int j = 0; j != Depth; j++) clog << ' ';

-      clog << "Visit " << Pkg.FullName() << endl;
+      clog << "Visit " << Pkg.FullName() << " from " << from << endl;

    }
    
    Depth++;
    }
    
    Depth++;


@@ -615,7 +651,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg)
    Loops are preprocessed and logged. */
 bool pkgOrderList::DepUnPackCrit(DepIterator D)
 {
    Loops are preprocessed and logged. */
 bool pkgOrderList::DepUnPackCrit(DepIterator D)
 {

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

    {
       if (D.Reverse() == true)
       {
    {
       if (D.Reverse() == true)
       {


@@ -636,7 +672,7 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D)
         if (CheckDep(D) == true)
            continue;
 
         if (CheckDep(D) == true)
            continue;
 

-        if (VisitNode(D.ParentPkg()) == false)
+        if (VisitNode(D.ParentPkg(), "UnPackCrit") == false)

            return false;
       }
       else
            return false;
       }
       else


@@ -693,7 +729,7 @@ bool pkgOrderList::DepUnPackPreD(DepIterator D)
    if (D.Reverse() == true)
       return DepUnPackCrit(D);
    
    if (D.Reverse() == true)
       return DepUnPackCrit(D);
    

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

    {
       if (D.IsCritical() == false)
         continue;
    {
       if (D.IsCritical() == false)
         continue;


@@ -736,7 +772,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D)
    if (D.Reverse() == true)
       return true;
    
    if (D.Reverse() == true)
       return true;
    

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

    {
       /* Only consider the PreDepends or Depends. Depends are only
                 considered at the lowest depth or in the case of immediate
    {
       /* Only consider the PreDepends or Depends. Depends are only
                 considered at the lowest depth or in the case of immediate


@@ -791,7 +827,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D)
 bool pkgOrderList::DepUnPackDep(DepIterator D)
 {
    
 bool pkgOrderList::DepUnPackDep(DepIterator D)
 {
    

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

       if (D.IsCritical() == true)
       {
         if (D.Reverse() == true)
       if (D.IsCritical() == true)
       {
         if (D.Reverse() == true)


@@ -811,7 +847,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D)
            if (IsMissing(D.ParentPkg()) == true)
               continue;
            
            if (IsMissing(D.ParentPkg()) == true)
               continue;
            

-           if (VisitNode(D.ParentPkg()) == false)
+           if (VisitNode(D.ParentPkg(), "UnPackDep-Parent") == false)

               return false;
         }
         else
               return false;
         }
         else


@@ -825,7 +861,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D)
               if (CheckDep(D) == true)
                 continue;
 
               if (CheckDep(D) == true)
                 continue;
 

-              if (VisitNode(D.TargetPkg()) == false)
+              if (VisitNode(D.TargetPkg(), "UnPackDep-Target") == false)

                 return false;
            }
         }
                 return false;
            }
         }


@@ -846,7 +882,7 @@ bool pkgOrderList::DepConfigure(DepIterator D)
    if (D.Reverse() == true)
       return true;
    
    if (D.Reverse() == true)
       return true;
    

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

       if (D->Type == pkgCache::Dep::Depends)
         if (VisitProvides(D,false) == false)
            return false;
       if (D->Type == pkgCache::Dep::Depends)
         if (VisitProvides(D,false) == false)
            return false;


@@ -868,7 +904,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
 {
    if (D.Reverse() == false)
       return true;
 {
    if (D.Reverse() == false)
       return true;

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

       if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
       {
         // Duplication elimination, consider the current version only
       if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
       {
         // Duplication elimination, consider the current version only


@@ -924,7 +960,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
                        if (IsFlag(P, InList) == true &&
                            IsFlag(P, AddPending) == false &&
                            Cache[P].InstallVer != 0 &&
                        if (IsFlag(P, InList) == true &&
                            IsFlag(P, AddPending) == false &&
                            Cache[P].InstallVer != 0 &&

-                           VisitNode(P) == true)
+                           VisitNode(P, "Remove-P") == true)

                        {
                           Flag(P, Immediate);
                           tryFixDeps = false;
                        {
                           Flag(P, Immediate);
                           tryFixDeps = false;


@@ -960,7 +996,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
                  if (IsFlag(F.TargetPkg(), InList) == true &&
                      IsFlag(F.TargetPkg(), AddPending) == false &&
                      Cache[F.TargetPkg()].InstallVer != 0 &&
                  if (IsFlag(F.TargetPkg(), InList) == true &&
                      IsFlag(F.TargetPkg(), AddPending) == false &&
                      Cache[F.TargetPkg()].InstallVer != 0 &&

-                     VisitNode(F.TargetPkg()) == true)
+                     VisitNode(F.TargetPkg(), "Remove-Target") == true)

                  {
                     Flag(F.TargetPkg(), Immediate);
                     tryFixDeps = false;
                  {
                     Flag(F.TargetPkg(), Immediate);
                     tryFixDeps = false;


@@ -974,7 +1010,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
                        if (IsFlag(Prv.OwnerPkg(), InList) == true &&
                            IsFlag(Prv.OwnerPkg(), AddPending) == false &&
                            Cache[Prv.OwnerPkg()].InstallVer != 0 &&
                        if (IsFlag(Prv.OwnerPkg(), InList) == true &&
                            IsFlag(Prv.OwnerPkg(), AddPending) == false &&
                            Cache[Prv.OwnerPkg()].InstallVer != 0 &&

-                           VisitNode(Prv.OwnerPkg()) == true)
+                           VisitNode(Prv.OwnerPkg(), "Remove-Owner") == true)

                        {
                           Flag(Prv.OwnerPkg(), Immediate);
                           tryFixDeps = false;
                        {
                           Flag(Prv.OwnerPkg(), Immediate);
                           tryFixDeps = false;


@@ -994,7 +1030,7 @@ bool pkgOrderList::DepRemove(DepIterator D)
         if (IsMissing(D.ParentPkg()) == true)
            continue;
         
         if (IsMissing(D.ParentPkg()) == true)
            continue;
         

-        if (VisitNode(D.ParentPkg()) == false)
+        if (VisitNode(D.ParentPkg(), "Remove-Parent") == false)

            return false;
       }
    
            return false;
       }
    


@@ -1021,8 +1057,10 @@ bool pkgOrderList::AddLoop(DepIterator D)
    Loops[LoopCount++] = D;
    
    // Mark the packages as being part of a loop.
    Loops[LoopCount++] = D;
    
    // Mark the packages as being part of a loop.

-   Flag(D.TargetPkg(),Loop);
-   Flag(D.ParentPkg(),Loop);
+   //Flag(D.TargetPkg(),Loop);
+   //Flag(D.ParentPkg(),Loop);
+   /* This is currently disabled because the Loop flag is being used for
+      loop management in the package manager. Check the orderlist.h file for more info */

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


@@ -1073,6 +1111,12 @@ bool pkgOrderList::CheckDep(DepIterator D)
          just needs one */
       if (D.IsNegative() == false)
       {
          just needs one */
       if (D.IsNegative() == false)
       {

+        // ignore provides by older versions of this package
+        if (((D.Reverse() == false && Pkg == D.ParentPkg()) ||
+             (D.Reverse() == true && Pkg == D.TargetPkg())) &&
+            Cache[Pkg].InstallVer != *I)
+           continue;
+

         /* Try to find something that does not have the after flag set
            if at all possible */
         if (IsFlag(Pkg,After) == true)
         /* Try to find something that does not have the after flag set
            if at all possible */
         if (IsFlag(Pkg,After) == true)