X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3a089a0178ee7b3adff28dcc8749735898201e27..04b38410e88705c26f191ca654cb89ab91c866ad:/apt-pkg/algorithms.cc

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index f50c52a32..b21fcbb2f 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -14,9 +14,6 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/algorithms.h"
-#endif 
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
@@ -26,6 +23,8 @@
     
 #include <apti18n.h>
 #include <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
 #include <iostream>
 									/*}}}*/
 using namespace std;
@@ -509,8 +508,10 @@ void pkgProblemResolver::MakeScores()
 	 Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
       
       /* This helps to fix oddball problems with conflicting packages
-         on the same level. We enhance the score of installed packages */
-      if (I->CurrentVer != 0)
+         on the same level. We enhance the score of installed packages 
+	 if those are not obsolete
+      */
+      if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
 	 Score += 1;
    }
 
@@ -804,7 +805,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 	    continue;
 	 
 	 if (Debug == true)
-	    cout << "Investigating " << I.Name() << endl;
+	    clog << "Investigating " << I.Name() << endl;
 	 
 	 // Isolate the problem dependency
 	 PackageKill KillList[100];
@@ -859,7 +860,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 	       OldEnd = LEnd;
 	    }
 	    else
+            {
 	       Start++;
+	       // We only worry about critical deps.
+	       if (Start.IsCritical() != true)
+                  continue;
+            }
 
 	    // Dep is ok
 	    if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
@@ -986,6 +992,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 		     }
 		     if (Debug)
 			clog << "  Will not break " << Pkg.Name() << " as stated in Breaks field in " << I.Name() <<endl;
+		     Cache.MarkKeep(I, false, false);
 		     continue;
 		  }
 
@@ -1250,8 +1257,13 @@ void pkgProblemResolver::InstallProtect()
       {
 	 if ((Flags[I->ID] & ToRemove) == ToRemove)
 	    Cache.MarkDelete(I);
-	 else
-	    Cache.MarkInstall(I, false, 0, false);
+	 else 
+	 {
+	    // preserver the information if the package was auto
+	    // or manual installed
+	    bool autoInst = (Cache[I].Flags & pkgCache::Flag::Auto);
+	    Cache.MarkInstall(I, false, 0, !autoInst);
+	 }
       }
    }   
 }