show more details for "Hash Sum mismatch" errors

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

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 39bbe484f9510a89c44e1ac1b43d3f3086c8372a..b2173d2e4b02ffd1c20224dc2f06fe17e751d2af 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.CandidateVer = GetCandidateVer(I);
+      State.CandidateVer = LocalPolicy->GetCandidateVer(I);
       State.InstallVer = I.CurrentVer();
       State.Mode = ModeKeep;
 
@@ -1016,6 +1016,8 @@ struct CompareProviders {
         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)
       {
@@ -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
-        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;
 
@@ -1419,7 +1421,15 @@ bool pkgDepCache::IsInstallOkDependenciesSatisfiableByCandidates(PkgIterator con
         // the dependency is critical, but can't be installed, so discard the candidate
         // as the problemresolver will trip over it otherwise trying to install it (#735967)
         if (Pkg->CurrentVer != 0 && (PkgState[Pkg->ID].iFlags & Protected) != Protected)
+         {
            SetCandidateVersion(Pkg.CurrentVer());
+            StateCache &State = PkgState[Pkg->ID];
+           if (State.Mode != ModeDelete)
+           {
+              State.Mode = ModeKeep;
+              State.Update(Pkg, *this);
+           }
+         }
         return false;
       }
    }
@@ -1467,6 +1477,11 @@ 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                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1688,11 +1703,7 @@ void pkgDepCache::StateCache::Update(PkgIterator Pkg,pkgCache &Cache)
    CurVersion = "";
    if (Pkg->CurrentVer != 0)
       CurVersion = Pkg.CurrentVer().VerStr();
-   
-   // Strip off the epochs for display
-   CurVersion = StripEpoch(CurVersion);
-   CandVersion = StripEpoch(CandVersion);
-   
+
    // Figure out if its up or down or equal
    Status = Ver.CompareVer(Pkg.CurrentVer());
    if (Pkg->CurrentVer == 0 || Pkg->VersionList == 0 || CandidateVer == 0)