pkgPolicy: Introduce storage and helpers for per-version pins

Per-version pins should lead to more predictable results with
/etc/apt/preferences uses like pinning one version with -1.

1 files changed, 2 insertions, 0 deletions

diff --git a/apt-pkg/policy.h b/apt-pkg/policy.h
index c4b1cbadd..9deeb9d0e 100644
--- a/apt-pkg/policy.h
+++ b/apt-pkg/policy.h
@@ -63,6 +63,7 @@ class pkgPolicy : public pkgDepCache::Policy
    };
    
    Pin *Pins;
+   Pin *VerPins;
    signed short *PFPriority;
    std::vector<Pin> Defaults;
    std::vector<PkgPin> Unmatched;
@@ -79,6 +80,7 @@ class pkgPolicy : public pkgDepCache::Policy
    // Things for the cache interface.
    virtual pkgCache::VerIterator GetCandidateVer(pkgCache::PkgIterator const &Pkg);
    virtual signed short GetPriority(pkgCache::PkgIterator const &Pkg);
+   virtual signed short GetPriority(pkgCache::VerIterator const &Pkg);
    virtual signed short GetPriority(pkgCache::PkgFileIterator const &File);
 
    bool InitDefaults();