X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d2685fd634b32f152748b7004c6810e946bbbcf2..aa0e1101d75e6b61d63dc486caa0ab32a45b024f:/apt-pkg/algorithms.cc?ds=sidebyside

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 8dadb933a..505ba59f7 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: algorithms.cc,v 1.13 1998/12/06 03:41:25 jgg Exp $
+// $Id: algorithms.cc,v 1.18 1999/06/04 02:31:37 jgg Exp $
 /* ######################################################################
 
    Algorithms - A set of misc algorithms
@@ -29,7 +29,7 @@ pkgProblemResolver *pkgProblemResolver::This = 0;
 // ---------------------------------------------------------------------
 /* */
 pkgSimulate::pkgSimulate(pkgDepCache &Cache) : pkgPackageManager(Cache), 
-                            Sim(Cache)
+                            Sim(Cache.GetMap())
 {
    Flags = new unsigned char[Cache.HeaderP->PackageCount];
    memset(Flags,0,sizeof(*Flags)*Cache.HeaderP->PackageCount);
@@ -44,7 +44,7 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
    PkgIterator Pkg = Sim.FindPkg(iPkg.Name());
    Flags[Pkg->ID] = 1;
    
-   clog << "Inst " << Pkg.Name();
+   cout << "Inst " << Pkg.Name();
    Sim.MarkInstall(Pkg,false);
    
    // Look for broken conflicts+predepends.
@@ -58,7 +58,7 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
          {
 	    if ((Sim[D] & pkgDepCache::DepInstall) == 0)
 	    {
-	       clog << " [" << I.Name() << " on " << D.TargetPkg().Name() << ']';
+	       cout << " [" << I.Name() << " on " << D.TargetPkg().Name() << ']';
 	       if (D->Type == pkgCache::Dep::Conflicts)
 		  _error->Error("Fatal, conflicts violated %s",I.Name());
 	    }	    
@@ -68,7 +68,7 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/)
    if (Sim.BrokenCount() != 0)
       ShortBreaks();
    else
-      clog << endl;
+      cout << endl;
    return true;
 }
 									/*}}}*/
@@ -86,7 +86,7 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
 //   Sim.MarkInstall(Pkg,false);
    if (Sim[Pkg].InstBroken() == true)
    {
-      clog << "Conf " << Pkg.Name() << " broken" << endl;
+      cout << "Conf " << Pkg.Name() << " broken" << endl;
 
       Sim.Update();
       
@@ -98,21 +98,21 @@ bool pkgSimulate::Configure(PkgIterator iPkg)
 	    continue;
 	 
 	 if (D->Type == pkgCache::Dep::Conflicts)
-	    clog << " Conflicts:" << D.TargetPkg().Name();
+	    cout << " Conflicts:" << D.TargetPkg().Name();
 	 else
-	    clog << " Depends:" << D.TargetPkg().Name();
+	    cout << " Depends:" << D.TargetPkg().Name();
       }	    
-      clog << endl;
+      cout << endl;
 
       _error->Error("Conf Broken %s",Pkg.Name());
    }   
    else
-      clog << "Conf " <<  Pkg.Name();
+      cout << "Conf " <<  Pkg.Name();
 
    if (Sim.BrokenCount() != 0)
       ShortBreaks();
    else
-      clog << endl;
+      cout << endl;
    
    return true;
 }
@@ -127,12 +127,12 @@ bool pkgSimulate::Remove(PkgIterator iPkg)
 
    Flags[Pkg->ID] = 3;
    Sim.MarkDelete(Pkg);
-   clog << "Remv " << Pkg.Name();
+   cout << "Remv " << Pkg.Name();
 
    if (Sim.BrokenCount() != 0)
       ShortBreaks();
    else
-      clog << endl;
+      cout << endl;
 
    return true;
 }
@@ -142,18 +142,18 @@ bool pkgSimulate::Remove(PkgIterator iPkg)
 /* */
 void pkgSimulate::ShortBreaks()
 {
-   clog << " [";
+   cout << " [";
    for (PkgIterator I = Sim.PkgBegin(); I.end() == false; I++)
    {
       if (Sim[I].InstBroken() == true)
       {
 	 if (Flags[I->ID] == 0)
-	    clog << I.Name() << ' ';
+	    cout << I.Name() << ' ';
 /*	 else
-	    clog << I.Name() << "! ";*/
+	    cout << I.Name() << "! ";*/
       }      
    }
-   clog << ']' << endl;
+   cout << ']' << endl;
 }
 									/*}}}*/
 // ApplyStatus - Adjust for non-ok packages				/*{{{*/
@@ -169,16 +169,37 @@ bool pkgApplyStatus(pkgDepCache &Cache)
       if (I->InstState == pkgCache::State::ReInstReq ||
 	  I->InstState == pkgCache::State::HoldReInstReq)
       {
-	 Cache.MarkKeep(I);
+	 if (I.CurrentVer().Downloadable() == true)
+	    Cache.MarkKeep(I);
+	 else
+	 {
+	    // Is this right? Will dpkg choke on an upgrade?
+	    if (Cache[I].CandidateVerIter(Cache).Downloadable() == true)
+	       Cache.MarkInstall(I);
+	    else
+	       return _error->Error("The package %s needs to be reinstalled, "
+				    "but I can't find an archive for it.",I.Name());
+	 }
+	 
 	 continue;
       }
       
       switch (I->CurrentState)
       {
-	 // This means installation failed somehow
+	 /* This means installation failed somehow - it does not need to be
+	    re-unpacked (probably) */
 	 case pkgCache::State::UnPacked:
 	 case pkgCache::State::HalfConfigured:
-	 Cache.MarkKeep(I);
+	 if (I.CurrentVer().Downloadable() == true || 
+	     I.State() != pkgCache::PkgIterator::NeedsUnpack)
+	    Cache.MarkKeep(I);
+	 else
+	 {
+	    if (Cache[I].CandidateVerIter(Cache).Downloadable() == true)
+	       Cache.MarkInstall(I);
+	    else
+	       Cache.MarkDelete(I);
+	 }
 	 break;
 
 	 // This means removal failed
@@ -700,7 +721,8 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 	    {
 	       if (Debug == true)
 		  clog << "Note, a broken or group was found in " << I.Name() << "." << endl;
-	       Cache.MarkDelete(I);
+	       if ((Flags[I->ID] & Protected) != Protected)
+		  Cache.MarkDelete(I);
 	       break;
 	    }
 	    	    
@@ -754,7 +776,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
 			   Scores[I->ID] = Scores[Pkg->ID];
 		     }
 		  }
-
+		  		  
 		  Change = true;
 		  Done = true;
 		  break;
@@ -834,8 +856,19 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
    delete [] PList;
    
    if (Cache.BrokenCount() != 0)
-      return _error->Error("Internal error, pkgProblemResolver::Resolve generated breaks.");
-
+   {
+      // See if this is the result of a hold
+      pkgCache::PkgIterator I = Cache.PkgBegin();
+      for (;I.end() != true; I++)
+      {
+	 if (Cache[I].InstBroken() == false)
+	    continue;
+	 if ((Flags[I->ID] & Protected) != Protected)
+	    return _error->Error("Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.");
+      }
+      return _error->Error("Unable to correct problems, you have held broken packages.");
+   }
+   
    return true;
 }
 									/*}}}*/