From 021626db10191cc4388b0516687dbc51bba18820 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Wed, 19 Sep 2012 12:04:02 +0200 Subject: * apt-pkg/pkgcache.cc: - ignore negative dependencies applying in the same group for M-A:same packages on the real package name as self-conflicts --- apt-pkg/depcache.cc | 2 +- apt-pkg/pkgcache.cc | 25 +++++++++++++++++++++++-- 2 files changed, 24 insertions(+), 3 deletions(-) (limited to 'apt-pkg') diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index 2656e9b42..deb8ec21f 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -346,7 +346,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res) /* Check simple depends. A depends -should- never self match but we allow it anyhow because dpkg does. Technically it is a packaging bug. Conflicts may never self match */ - if (Dep.TargetPkg() != Dep.ParentPkg() || Dep.IsNegative() == false) + if (Dep.IsIgnorable(Res) == false) { PkgIterator Pkg = Dep.TargetPkg(); // Check the base package diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index 353172d8a..1de33ff9b 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -690,8 +690,29 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End) on virtual packages. */ bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &Pkg) const { - if (ParentPkg() == TargetPkg()) - return IsNegative(); + if (IsNegative() == false) + return false; + + pkgCache::PkgIterator PP = ParentPkg(); + pkgCache::PkgIterator PT = TargetPkg(); + if (PP->Group != PT->Group) + return false; + // self-conflict + if (PP == PT) + return true; + pkgCache::VerIterator PV = ParentVer(); + // ignore group-conflict on a M-A:same package - but not our implicit dependencies + // so that we can have M-A:same packages conflicting with their own real name + if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) + { + // Replaces: ${self}:other ( << ${binary:Version}) + if (S->Type == pkgCache::Dep::Replaces && S->CompareOp == pkgCache::Dep::Less && strcmp(PV.VerStr(), TargetVer()) == 0) + return false; + // Breaks: ${self}:other (!= ${binary:Version}) + if (S->Type == pkgCache::Dep::DpkgBreaks && S->CompareOp == pkgCache::Dep::NotEquals && strcmp(PV.VerStr(), TargetVer()) == 0) + return false; + return true; + } return false; } -- cgit v1.2.3