merged from the mvo branch

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

diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 4f9d56775df433386f7c2dc3ebb7ddc5bc283d9a..94c7fd4afca7834ec4d43358524caf56eddaa538 100644 (file)
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -45,6 +45,8 @@ using namespace std;
    file matches the V0 policy engine. */
 pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner)
 {
+   if (Owner == 0 || &(Owner->Head()) == 0)
+      return;
    PFPriority = new signed short[Owner->Head().PackageFileCount];
    Pins = new Pin[Owner->Head().PackageCount];
 
@@ -150,13 +152,6 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
    {
       /* Lets see if this version is the installed version */
       bool instVer = (Pkg.CurrentVer() == Ver);
-      if (Ver.Pseudo() == true && instVer == false)
-      {
-        pkgCache::PkgIterator const allPkg = Ver.ParentPkg().Group().FindPkg("all");
-        if (allPkg->CurrentVer != 0 && allPkg.CurrentVer()->Hash == Ver->Hash &&
-            strcmp(allPkg.CurVersion(), Ver.VerStr()) == 0)
-           instVer = true;
-      }
 
       for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++)
       {
@@ -328,7 +323,7 @@ bool ReadPinFile(pkgPolicy &Plcy,string File)
    if (File.empty() == true)
       File = _config->FindFile("Dir::Etc::Preferences");
 
-   if (FileExists(File) == false)
+   if (RealFileExists(File) == false)
       return true;
    
    FileFd Fd(File,FileFd::ReadOnly);