diff options
Diffstat (limited to 'apt-pkg/depcache.cc')
| -rw-r--r-- | apt-pkg/depcache.cc | 90 |
1 files changed, 75 insertions, 15 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index 6a3e9bfc4..978a893f7 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -865,6 +865,11 @@ bool pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge, unsigned long Depth, bool FromUser) { + return IsDeleteOkProtectInstallRequests(Pkg, rPurge, Depth, FromUser); +} +bool pkgDepCache::IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg, + bool const rPurge, unsigned long const Depth, bool const FromUser) +{ if (FromUser == false && Pkg->CurrentVer == 0) { StateCache &P = PkgState[Pkg->ID]; @@ -1002,9 +1007,6 @@ struct CompareProviders { else if ((B->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) return true; } - // higher priority seems like a good idea - if (AV->Priority != BV->Priority) - return AV->Priority < BV->Priority; // prefer native architecture if (strcmp(A.Arch(), B.Arch()) != 0) { @@ -1019,6 +1021,9 @@ struct CompareProviders { else if (*a == B.Arch()) return true; } + // higher priority seems like a good idea + if (AV->Priority != BV->Priority) + return AV->Priority > BV->Priority; // unable to decide… return A->ID < B->ID; } @@ -1047,9 +1052,10 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, return true; } - // check if we are allowed to install the package - if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false) - return false; + // check if we are allowed to install the package (if we haven't already) + if (P.Mode != ModeInstall || P.InstallVer != P.CandidateVer) + if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false) + return false; ActionGroup group(*this); P.iFlags &= ~AutoKept; @@ -1200,16 +1206,23 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, verlist.insert(Cand); } CompareProviders comp(Start); - APT::VersionList::iterator InstVer = std::max_element(verlist.begin(), verlist.end(), comp); - if (InstVer != verlist.end()) - { + do { + APT::VersionList::iterator InstVer = std::max_element(verlist.begin(), verlist.end(), comp); + + if (InstVer == verlist.end()) + break; + pkgCache::PkgIterator InstPkg = InstVer.ParentPkg(); if(DebugAutoInstall == true) std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name() << " as " << Start.DepType() << " of " << Pkg.Name() << std::endl; - MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps); + if (MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps) == false) + { + verlist.erase(InstVer); + continue; + } // now check if we should consider it a automatic dependency or not if(InstPkg->CurrentVer == 0 && Pkg->Section != 0 && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section())) { @@ -1218,7 +1231,8 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, << Start.DepType() << " of pkg in APT::Never-MarkAuto-Sections)" << std::endl; MarkAuto(InstPkg, false); } - } + break; + } while(true); continue; } /* Negative dependencies have no or-group @@ -1243,9 +1257,16 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, PkgState[Pkg->ID].CandidateVer != *I && MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps) == true) continue; - else if ((Start->Type == pkgCache::Dep::Conflicts || Start->Type == pkgCache::Dep::DpkgBreaks) && - MarkDelete(Pkg,false,Depth + 1, false) == false) - break; + else if (Start->Type == pkgCache::Dep::Conflicts || + Start->Type == pkgCache::Dep::DpkgBreaks) + { + if(DebugAutoInstall == true) + std::clog << OutputInDepth(Depth) + << " Removing: " << Pkg.Name() + << std::endl; + if (MarkDelete(Pkg,false,Depth + 1, false) == false) + break; + } } continue; } @@ -1256,11 +1277,50 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, /*}}}*/ // DepCache::IsInstallOk - check if it is ok to install this package /*{{{*/ // --------------------------------------------------------------------- -/* The default implementation does nothing. +/* The default implementation checks if the installation of an M-A:same + package would lead us into a version-screw and if so forbids it. dpkg holds are enforced by the private IsModeChangeOk */ bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst, unsigned long Depth, bool FromUser) { + return IsInstallOkMultiArchSameVersionSynced(Pkg,AutoInst, Depth, FromUser); +} +bool pkgDepCache::IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg, + bool const AutoInst, unsigned long const Depth, bool const FromUser) +{ + if (FromUser == true) // as always: user is always right + return true; + + // ignore packages with none-M-A:same candidates + VerIterator const CandVer = PkgState[Pkg->ID].CandidateVerIter(*this); + if (unlikely(CandVer.end() == true) || CandVer == Pkg.CurrentVer() || + (CandVer->MultiArch & pkgCache::Version::Same) != pkgCache::Version::Same) + return true; + + GrpIterator const Grp = Pkg.Group(); + for (PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P)) + { + // not installed or version synced: fine by definition + // (simple string-compare as stuff like '1' == '0:1-0' can't happen here) + if (P->CurrentVer == 0 || strcmp(Pkg.CandVersion(), P.CandVersion()) == 0) + continue; + // packages loosing M-A:same can be out-of-sync + VerIterator CV = PkgState[P->ID].CandidateVerIter(*this); + if (unlikely(CV.end() == true) || + (CV->MultiArch & pkgCache::Version::Same) != pkgCache::Version::Same) + continue; + + // not downloadable means the package is obsolete, so allow out-of-sync + if (CV.Downloadable() == false) + continue; + + PkgState[Pkg->ID].iFlags |= AutoKept; + if (unlikely(DebugMarker == true)) + std::clog << OutputInDepth(Depth) << "Ignore MarkInstall of " << Pkg + << " as its M-A:same siblings are not version-synced" << std::endl; + return false; + } + return true; } /*}}}*/ |