apt-pkg/algorithms.cc: in the case of conflicts/breaks against a Provide Start.AllTar...

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

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index 442143516286c597bd1b18f31a14d8b803fb6695..49776aac705b505e703e127f3300e1c566134d97 100644 (file)
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -80,7 +80,10 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
       // Skip already processed packages
       if (List->IsNow(Pkg) == false)
         continue;
-        
+
+      if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == true)
+        continue;
+
       new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache),
                        FileNames[Pkg->ID]);
    }
@@ -125,7 +128,7 @@ bool pkgPackageManager::FixMissing()
 /* This adds the immediate flag to the pkg and recursively to the
    dependendies 
  */
-void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer)
+void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned const int &Depth)
 {
    DepIterator D;
    
@@ -146,9 +149,9 @@ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer)
         if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate))
         {
            if(Debug)
-              clog << "ImmediateAdd(): Adding Immediate flag to " << I.Name() << endl;
+              clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << D.TargetPkg() << " cause of " << D.DepType() << " " << I.Name() << endl;
            List->Flag(D.TargetPkg(),pkgOrderList::Immediate);
-           ImmediateAdd(D.TargetPkg(), UseInstallVer);
+           ImmediateAdd(D.TargetPkg(), UseInstallVer, Depth + 1);
         }
       }
    return;
@@ -277,8 +280,10 @@ 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 &&
+         pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false &&
+         Configure(Pkg) == false)
         return false;
       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
@@ -293,6 +298,9 @@ bool pkgPackageManager::ConfigureAll()
    of it's dependents. */
 bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
 {
+   if (Debug == true)
+      clog << "SmartConfigure " << Pkg.Name() << endl;
+
    pkgOrderList OList(&Cache);
 
    if (DepAdd(OList,Pkg) == false)
@@ -310,7 +318,9 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
    {
       PkgIterator Pkg(Cache,*I);
       
-      if (ConfigurePkgs == true && Configure(Pkg) == false)
+      if (ConfigurePkgs == true &&
+         pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false &&
+         Configure(Pkg) == false)
         return false;
       
       List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
@@ -318,8 +328,9 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg)
 
    // Sanity Check
    if (List->IsFlag(Pkg,pkgOrderList::Configured) == false)
-      return _error->Error("Internal error, could not immediate configure %s",Pkg.Name());
-   
+      return _error->Error(_("Could not perform immediate configuration on '%s'."
+                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),1);
+
    return true;
 }
                                                                        /*}}}*/
@@ -334,6 +345,9 @@ 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);
@@ -387,6 +401,8 @@ 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--;
@@ -456,7 +472,12 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
       return true;
 
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
-   return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
+
+   if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false)
+      return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
+   else
+      return SmartRemove(Pkg.Group().FindPkg("all"));
+   return true;
 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
@@ -471,7 +492,8 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
       List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
       if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
         if (SmartConfigure(Pkg) == false)
-           return _error->Error("Internal Error, Could not perform immediate configuration (1) on %s",Pkg.Name());
+           return _error->Error(_("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;
    }
 
@@ -487,6 +509,9 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
       
       while (End->Type == pkgCache::Dep::PreDepends)
       {
+        if (Debug == true)
+           clog << "PreDepends order for " << Pkg.Name() << std::endl;
+
         // Look for possible ok targets.
         SPtrArray<Version *> VList = Start.AllTargets();
         bool Bad = true;
@@ -500,6 +525,8 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
                Pkg.State() == PkgIterator::NeedsNothing)
            {
               Bad = false;
+              if (Debug == true)
+                 clog << "Found ok package " << Pkg.Name() << endl;
               continue;
            }
         }
@@ -515,6 +542,8 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
                (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing))
               continue;
 
+           if (Debug == true)
+              clog << "Trying to SmartConfigure " << Pkg.Name() << endl;
            Bad = !SmartConfigure(Pkg);
         }
 
@@ -562,16 +591,30 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
    for (PrvIterator P = Cache[Pkg].InstVerIter(Cache).ProvidesList(); 
        P.end() == false; P++)
       CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion());
-   
-   if (Install(Pkg,FileNames[Pkg->ID]) == false)
-      return false;
-   
+
+   if (pkgCache::VerIterator(Cache, Cache[Pkg].CandidateVer).Pseudo() == false)
+   {
+      if(Install(Pkg,FileNames[Pkg->ID]) == false)
+         return false;
+   } else {
+      // Pseudo packages will not be unpacked - instead we will do this
+      // for the "real" package, but only once and if it is already
+      // configured we don't need to unpack it again…
+      PkgIterator const P = Pkg.Group().FindPkg("all");
+      if (List->IsFlag(P,pkgOrderList::UnPacked) != true &&
+         List->IsFlag(P,pkgOrderList::Configured) != true &&
+         P.State() != pkgCache::PkgIterator::NeedsNothing) {
+        if (SmartUnPack(P) == false)
+           return false;
+      }
+   }
    List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States);
    
    // Perform immedate configuration of the package.
    if (List->IsFlag(Pkg,pkgOrderList::Immediate) == true)
       if (SmartConfigure(Pkg) == false)
-        return _error->Error("Internal Error, Could not perform immediate configuration (2) on %s",Pkg.Name());
+        return _error->Error(_("Could not perform immediate configuration on '%s'."
+                       "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.Name(),2);
    
    return true;
 }