diff options
-rw-r--r-- | apt-pkg/pkgcachegen.cc | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index a4ca9dfe4..037c0cb63 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -532,11 +532,14 @@ bool pkgCacheGenerator::FinishCache(OpProgress &Progress) { string const PkgName = G.Name(); for (pkgCache::PkgIterator P = G.PackageList(); P.end() != true; P = G.NextPkg(P)) { for (pkgCache::VerIterator V = P.VersionList(); V.end() != true; V++) { - // Arch all packages are "co-installable" - if (V->MultiArch == pkgCache::Version::All) - continue; string const Arch = V.Arch(); map_ptrloc *OldDepLast = NULL; + /* MultiArch handling introduces a lot of implicit Dependencies: + - MultiArch: same → Co-Installable if they have the same version + - Architecture: all → Need to be Co-Installable for internal reasons + - All others conflict with all other group members */ + bool const coInstall = (V->MultiArch == pkgCache::Version::All || + V->MultiArch == pkgCache::Version::Same); for (vector<string>::const_iterator A = archs.begin(); A != archs.end(); ++A) { if (*A == Arch) continue; @@ -546,10 +549,24 @@ bool pkgCacheGenerator::FinishCache(OpProgress &Progress) { pkgCache::PkgIterator D = G.FindPkg(*A); if (D.end() == true) continue; - // Conflicts: ${self}:other - NewDepends(D, V, "", - pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, - OldDepLast); + if (coInstall == true) { + // Replaces: ${self}:other ( << ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Less, pkgCache::Dep::Replaces, + OldDepLast); + // Breaks: ${self}:other (!= ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Less, pkgCache::Dep::DpkgBreaks, + OldDepLast); + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Greater, pkgCache::Dep::DpkgBreaks, + OldDepLast); + } else { + // Conflicts: ${self}:other + NewDepends(D, V, "", + pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, + OldDepLast); + } } } } |