rred: If there were I/O errors, fail

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

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 39bbe484f9510a89c44e1ac1b43d3f3086c8372a..8281949f97c5e776030a018d7bd44f2ae6958d5f 100644 (file)
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -153,7 +153,7 @@ bool pkgDepCache::Init(OpProgress * const Prog)
       State.iFlags = 0;
 
       // Figure out the install version
       State.iFlags = 0;
 
       // Figure out the install version

-      State.CandidateVer = GetCandidateVer(I);
+      State.CandidateVer = LocalPolicy->GetCandidateVer(I);

       State.InstallVer = I.CurrentVer();
       State.Mode = ModeKeep;
 
       State.InstallVer = I.CurrentVer();
       State.Mode = ModeKeep;
 


@@ -1016,6 +1016,8 @@ struct CompareProviders {
         if (instA != instB)
            return instA == false;
       }
         if (instA != instB)
            return instA == false;
       }

+      if ((A->CurrentVer == 0 || B->CurrentVer == 0) && A->CurrentVer != B->CurrentVer)
+        return A->CurrentVer == 0;

       // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64
       if (A->Group != B->Group)
       {
       // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64
       if (A->Group != B->Group)
       {


@@ -1181,7 +1183,7 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 
       /* unsatisfiable dependency: IsInstallOkDependenciesSatisfiableByCandidates
          would have prevented us to get here if not overridden, so just skip
 
       /* unsatisfiable dependency: IsInstallOkDependenciesSatisfiableByCandidates
          would have prevented us to get here if not overridden, so just skip

-        over the problem here as the frontend will know what it is doing */
+        over the problem here as the front-end will know what it is doing */

       if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer && Start.IsNegative() == false)
         continue;
 
       if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer && Start.IsNegative() == false)
         continue;
 


@@ -1467,6 +1469,11 @@ void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To)
    }
 }
                                                                        /*}}}*/
    }
 }
                                                                        /*}}}*/

+pkgCache::VerIterator pkgDepCache::GetCandidateVersion(PkgIterator const &Pkg)/*{{{*/
+{
+   return PkgState[Pkg->ID].CandidateVerIter(*this);
+}
+                                                                       /*}}}*/

 // DepCache::SetCandidateVersion - Change the candidate version                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // DepCache::SetCandidateVersion - Change the candidate version                /*{{{*/
 // ---------------------------------------------------------------------
 /* */