merged from the lp:~mvo/apt/mvo branch

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

diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index 61d8d914e43b3bf6a52fc54c29b251b86dfc3402..0ee2e2bc8bfccea7de8e1a5e645020c8ba663e4b 100644 (file)
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -39,7 +39,7 @@
          ordering.  
    
    Each of the features can be enabled in the sorting routine at an 
-   arbitary priority to give quite abit of control over the final unpacking
+   arbitrary priority to give quite abit of control over the final unpacking
    order.
 
    The rules listed above may never be violated and are called Critical.
@@ -63,9 +63,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/orderlist.h"
-#endif 
 #include <apt-pkg/orderlist.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/error.h>
@@ -132,7 +129,6 @@ bool pkgOrderList::IsMissing(PkgIterator Pkg)
    return true;
 }
                                                                        /*}}}*/
-
 // OrderList::DoRun - Does an order run                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* The caller is expeted to have setup the desired probe state */
@@ -178,22 +174,35 @@ bool pkgOrderList::DoRun()
 bool pkgOrderList::OrderCritical()
 {
    FileList = 0;
-   
-   Primary = &pkgOrderList::DepUnPackPre;
+
+   Primary = &pkgOrderList::DepUnPackPreD;
    Secondary = 0;
    RevDepends = 0;
    Remove = 0;
    LoopCount = 0;
-   
+
    // Sort
    Me = this;
-   qsort(List,End - List,sizeof(*List),&OrderCompareB);   
-   
+   qsort(List,End - List,sizeof(*List),&OrderCompareB);
+
    if (DoRun() == false)
       return false;
-   
+
    if (LoopCount != 0)
       return _error->Error("Fatal, predepends looping detected");
+
+   if (Debug == true)
+   {
+      clog << "** Critical Unpack ordering done" << endl;
+
+      for (iterator I = List; I != End; I++)
+      {
+        PkgIterator P(Cache,*I);
+        if (IsNow(P) == true)
+           clog << "  " << P.Name() << ' ' << IsMissing(P) << ',' << IsFlag(P,After) << endl;
+      }
+   }
+
    return true;
 }
                                                                        /*}}}*/
@@ -209,7 +218,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
    if (FileList != 0)
    {
       WipeFlags(After);
-      
+
       // Set the inlist flag
       for (iterator I = List; I != End; I++)
       {
@@ -218,7 +227,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
             Flag(*I,After);
       }
    }
-   
+
    Primary = &pkgOrderList::DepUnPackCrit;
    Secondary = &pkgOrderList::DepConfigure;
    RevDepends = &pkgOrderList::DepUnPackDep;
@@ -233,7 +242,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
       clog << "** Pass A" << endl;
    if (DoRun() == false)
       return false;
-   
+
    if (Debug == true)
       clog << "** Pass B" << endl;
    Secondary = 0;
@@ -247,7 +256,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
    Remove = 0;             // Otherwise the libreadline remove problem occures
    if (DoRun() == false)
       return false;
-      
+
    if (Debug == true)
       clog << "** Pass D" << endl;
    LoopCount = 0;
@@ -263,9 +272,9 @@ bool pkgOrderList::OrderUnpack(string *FileList)
       {
         PkgIterator P(Cache,*I);
         if (IsNow(P) == true)
-           clog << P.Name() << ' ' << IsMissing(P) << ',' << IsFlag(P,After) << endl;
+           clog << "  " << P.Name() << ' ' << IsMissing(P) << ',' << IsFlag(P,After) << endl;
       }
-   }   
+   }
 
    return true;
 }
@@ -285,35 +294,40 @@ bool pkgOrderList::OrderConfigure()
    return DoRun();
 }
                                                                        /*}}}*/
-
 // OrderList::Score - Score the package for sorting                    /*{{{*/
 // ---------------------------------------------------------------------
 /* Higher scores order earlier */
 int pkgOrderList::Score(PkgIterator Pkg)
 {
+   static int const ScoreDelete = _config->FindI("OrderList::Score::Delete", 500);
+
    // Removal is always done first
    if (Cache[Pkg].Delete() == true)
-      return 200;
-   
+      return ScoreDelete;
+
    // This should never happen..
    if (Cache[Pkg].InstVerIter(Cache).end() == true)
       return -1;
-   
+
+   static int const ScoreEssential = _config->FindI("OrderList::Score::Essential", 200);
+   static int const ScoreImmediate = _config->FindI("OrderList::Score::Immediate", 10);
+   static int const ScorePreDepends = _config->FindI("OrderList::Score::PreDepends", 50);
+
    int Score = 0;
    if ((Pkg->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
-      Score += 100;
+      Score += ScoreEssential;
 
    if (IsFlag(Pkg,Immediate) == true)
-      Score += 10;
-   
-   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); 
+      Score += ScoreImmediate;
+
+   for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList();
        D.end() == false; D++)
       if (D->Type == pkgCache::Dep::PreDepends)
       {
-        Score += 50;
+        Score += ScorePreDepends;
         break;
       }
-      
+
    // Important Required Standard Optional Extra
    signed short PrioMap[] = {0,5,4,3,1,0};
    if (Cache[Pkg].InstVerIter(Cache)->Priority <= 5)
@@ -391,6 +405,7 @@ int pkgOrderList::OrderCompareA(const void *a, const void *b)
    
    int ScoreA = Me->Score(A);
    int ScoreB = Me->Score(B);
+
    if (ScoreA > ScoreB)
       return -1;
    
@@ -427,6 +442,7 @@ int pkgOrderList::OrderCompareB(const void *a, const void *b)
    
    int ScoreA = Me->Score(A);
    int ScoreB = Me->Score(B);
+
    if (ScoreA > ScoreB)
       return -1;
    
@@ -436,7 +452,6 @@ int pkgOrderList::OrderCompareB(const void *a, const void *b)
    return strcmp(A.Name(),B.Name());
 }
                                                                        /*}}}*/
-
 // OrderList::VisitDeps - Visit forward install dependencies           /*{{{*/
 // ---------------------------------------------------------------------
 /* This calls the dependency function for the normal forwards dependencies
@@ -593,7 +608,6 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg)
    return true;
 }
                                                                        /*}}}*/
-
 // OrderList::DepUnPackCrit - Critical UnPacking ordering              /*{{{*/
 // ---------------------------------------------------------------------
 /* Critical unpacking ordering strives to satisfy Conflicts: and 
@@ -671,13 +685,12 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D)
    }   
    return true;
 }
-
+                                                                       /*}}}*/
 // OrderList::DepUnPackPreD - Critical UnPacking ordering with depends /*{{{*/
 // ---------------------------------------------------------------------
 /* Critical PreDepends (also configure immediate and essential) strives to
    ensure not only that all conflicts+predepends are met but that this
-   package will be immediately configurable when it is unpacked. 
-
+   package will be immediately configurable when it is unpacked.
    Loops are preprocessed and logged. */
 bool pkgOrderList::DepUnPackPreD(DepIterator D)
 {
@@ -895,7 +908,6 @@ bool pkgOrderList::DepRemove(DepIterator D)
    return true;
 }
                                                                        /*}}}*/
-
 // OrderList::AddLoop - Add a loop to the loop list                    /*{{{*/
 // ---------------------------------------------------------------------
 /* We record the loops. This is a relic since loop breaking is done