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-rw-r--r--apt-pkg/pkgcache.cc44
1 files changed, 35 insertions, 9 deletions
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index c854249e4..997c70768 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -619,13 +619,12 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() const
// Walk along the actual package providing versions
for (VerIterator I = DPkg.VersionList(); I.end() == false; ++I)
{
- if (Owner->VS->CheckDep(I.VerStr(),S->CompareOp,TargetVer()) == false)
+ if (IsIgnorable(I.ParentPkg()) == true)
continue;
- if (IsNegative() == true &&
- ParentPkg() == I.ParentPkg())
+ if (Owner->VS->CheckDep(I.VerStr(),S->CompareOp,TargetVer()) == false)
continue;
-
+
Size++;
if (Res != 0)
*End++ = I;
@@ -634,13 +633,12 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() const
// Follow all provides
for (PrvIterator I = DPkg.ProvidesList(); I.end() == false; ++I)
{
- if (Owner->VS->CheckDep(I.ProvideVersion(),S->CompareOp,TargetVer()) == false)
+ if (IsIgnorable(I) == true)
continue;
-
- if (IsNegative() == true &&
- ParentPkg()->Group == I.OwnerPkg()->Group)
+
+ if (Owner->VS->CheckDep(I.ProvideVersion(),S->CompareOp,TargetVer()) == false)
continue;
-
+
Size++;
if (Res != 0)
*End++ = I.OwnerVer();
@@ -682,6 +680,34 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
}
}
/*}}}*/
+// DepIterator::IsIgnorable - should this packag/providr be ignored? /*{{{*/
+// ---------------------------------------------------------------------
+/* Deps like self-conflicts should be ignored as well as implicit conflicts
+ on virtual packages. */
+bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &Pkg) const
+{
+ if (ParentPkg() == TargetPkg())
+ return IsNegative();
+
+ return false;
+}
+bool pkgCache::DepIterator::IsIgnorable(PrvIterator const &Prv) const
+{
+ if (IsNegative() == false)
+ return false;
+
+ PkgIterator const Pkg = ParentPkg();
+ /* Provides may never be applied against the same package (or group)
+ if it is a conflicts. See the comment above. */
+ if (Prv.OwnerPkg()->Group == Pkg->Group)
+ return true;
+ // Implicit group-conflicts should not be applied on providers of other groups
+ if (Pkg->Group == TargetPkg()->Group && Prv.OwnerPkg()->Group != Pkg->Group)
+ return true;
+
+ return false;
+}
+ /*}}}*/
// ostream operator to handle string representation of a dependecy /*{{{*/
// ---------------------------------------------------------------------
/* */