X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e0b94b97b179812e5a0b3b72ea9fcae106d545c5..448eaf8b5999b6866237a069d678337b647968c4:/apt-pkg/depcache.cc diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index 45c614c6f..4d1a08eb6 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -192,7 +192,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/ { PkgState[pkg->ID].Flags |= Flag::Auto; if (unlikely(debug_autoremove)) - std::cout << "Auto-Installed : " << pkg.FullName() << std::endl; + std::clog << "Auto-Installed : " << pkg.FullName() << std::endl; if (pkgarch == "any") { pkgCache::GrpIterator G = pkg.Group(); @@ -257,7 +257,22 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch); if(pkg.end() || pkg.VersionList().end()) continue; - bool const newAuto = (PkgState[pkg->ID].Flags & Flag::Auto); + StateCache const &P = PkgState[pkg->ID]; + bool newAuto = (P.Flags & Flag::Auto); + // skip not installed or now-removed ones if requested + if (InstalledOnly && ( + (pkg->CurrentVer == 0 && P.Mode != ModeInstall) || + (pkg->CurrentVer != 0 && P.Mode == ModeDelete))) + { + // The section is obsolete if it contains no other tag + unsigned int const count = section.Count(); + if (count < 2 || + (count == 2 && section.Exists("Auto-Installed")) || + (count == 3 && section.Exists("Auto-Installed") && section.Exists("Architecture"))) + continue; + else + newAuto = false; + } if(_config->FindB("Debug::pkgAutoRemove",false)) std::clog << "Update existing AutoInstall info: " << pkg.FullName() << std::endl; @@ -277,14 +292,17 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ // then write the ones we have not seen yet std::ostringstream ostr; for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); pkg++) { - if(PkgState[pkg->ID].Flags & Flag::Auto) { + StateCache const &P = PkgState[pkg->ID]; + if(P.Flags & Flag::Auto) { if (pkgs_seen.find(pkg.FullName()) != pkgs_seen.end()) { if(debug_autoremove) std::clog << "Skipping already written " << pkg.FullName() << std::endl; continue; } // skip not installed ones if requested - if(InstalledOnly && pkg->CurrentVer == 0) + if (InstalledOnly && ( + (pkg->CurrentVer == 0 && P.Mode != ModeInstall) || + (pkg->CurrentVer != 0 && P.Mode == ModeDelete))) continue; const char* const pkgarch = pkg.Arch(); if (strcmp(pkgarch, "all") == 0) @@ -630,11 +648,43 @@ bool pkgDepCache::RemovePseudoInstalledPkg(PkgIterator &Pkg, std::setMultiArch != Version::All) return false; - unsigned char const DepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy); - if ((DepState & DepInstMin) == DepInstMin) + // Never ever kill an "all" package - they have no dependency so they can't be broken + if (strcmp(Pkg.Arch(),"all") == 0) return false; - // Dependencies for this arch all are not statisfied + unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy); + if ((CurDepState & DepInstMin) == DepInstMin) { + // okay, the package isn't broken, but is the package also required? + // If it has no real dependencies, no installed rdepends and doesn't + // provide something of value, we will kill it as not required. + // These pseudopackages have otherwise interesting effects if they get + // a new dependency in a newer version… + for (pkgCache::DepIterator D = V.DependsList(); + D.end() != true; ++D) + if (D.IsCritical() == true && D.ParentPkg()->Group != Pkg->Group) + return false; + for (DepIterator D = Pkg.RevDependsList(); D.end() != true; ++D) + { + if (D.IsCritical() == false) + continue; + PkgIterator const P = D.ParentPkg(); + if (P->Group == Pkg->Group) + continue; + if (P->CurrentVer != 0) + return false; + } + for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++) + for (DepIterator d = Prv.ParentPkg().RevDependsList(); + d.end() != true; ++d) + { + PkgIterator const P = d.ParentPkg(); + if (P->CurrentVer != 0 && + P->Group != Pkg->Group) + return false; + } + } + + // Dependencies for this arch all package are not statisfied // so we installed it only for our convenience: get right of it now. RemoveSizes(Pkg); RemoveStates(Pkg); @@ -655,15 +705,33 @@ bool pkgDepCache::RemovePseudoInstalledPkg(PkgIterator &Pkg, std::setCurrentVer != 0) - recheck.insert(P.Index()); - } + for (DepIterator d = V.DependsList(); d.end() != true; ++d) + { + PkgIterator const P = d.TargetPkg(); + for (PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv) + { + PkgIterator const O = Prv.OwnerPkg(); + if (O->CurrentVer != 0) + recheck.insert(O.Index()); + } + + if (P->CurrentVer != 0) + recheck.insert(P.Index()); + } + + for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++) + { + for (DepIterator d = Prv.ParentPkg().RevDependsList(); + d.end() != true; ++d) + { + PkgIterator const P = d.ParentPkg(); + if (P->CurrentVer == 0) + continue; + + recheck.insert(P.Index()); + } + } + return true; } @@ -747,6 +815,41 @@ void pkgDepCache::Update(OpProgress *Prog) } recheck.erase(p); } + + /* Okay, we have killed a great amount of pseudopackages - + we have killed so many that we have now arch "all" packages + without an installed pseudo package, but we NEED an installed + pseudo package, so we will search now for a pseudo package + we can install without breaking everything. */ + for (GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G) + { + PkgIterator P = G.FindPkg("all"); + if (P.end() == true) + continue; + if (P->CurrentVer == 0) + continue; + bool installed = false; + for (P = G.FindPkg("any"); P.end() != true; P = G.NextPkg(P)) + { + if (strcmp(P.Arch(), "all") == 0) + continue; + if (P->CurrentVer == 0) + continue; + installed = true; + break; + } + if (installed == false) + recheck.insert(G.Index()); + } + + while (recheck.empty() != true) + { + std::set::const_iterator g = recheck.begin(); + unsigned long const G = *g; + recheck.erase(g); + if (unlikely(ReInstallPseudoForGroup(G, recheck) == false)) + _error->Warning(_("Internal error, group '%s' has no installable pseudo package"), GrpIterator(*Cache, Cache->GrpP + *g).Name()); + } } if (Prog != 0) @@ -755,6 +858,80 @@ void pkgDepCache::Update(OpProgress *Prog) readStateFile(Prog); } /*}}}*/ +// DepCache::ReInstallPseudoForGroup - MultiArch helper for Update() /*{{{*/ +// --------------------------------------------------------------------- +/* RemovePseudoInstalledPkg() is very successful. It even kills packages + to an amount that no pseudo package is left, but we need a pseudo package + for upgrading senarios so we need to reinstall one pseudopackage which + doesn't break everything. Thankfully we can't have architecture depending + negative dependencies so this problem is already eliminated */ +bool pkgDepCache::ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set &recheck) +{ + if (P->CurrentVer != 0) + return true; + // recursive call for packages which provide this package + for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv) + ReInstallPseudoForGroup(Prv.OwnerPkg(), recheck); + // check if we actually need to look at this group + unsigned long const G = P->Group; + std::set::const_iterator Pi = recheck.find(G); + if (Pi == recheck.end()) + return true; + recheck.erase(Pi); // remove here, so we can't fall into an endless loop + if (unlikely(ReInstallPseudoForGroup(G, recheck) == false)) + { + recheck.insert(G); + return false; + } + return true; +} +bool pkgDepCache::ReInstallPseudoForGroup(unsigned long const &G, std::set &recheck) +{ + std::vector static const Archs = APT::Configuration::getArchitectures(); + pkgCache::GrpIterator Grp(*Cache, Cache->GrpP + G); + if (unlikely(Grp.end() == true)) + return false; + for (std::vector::const_iterator a = Archs.begin(); + a != Archs.end(); ++a) + { + pkgCache::PkgIterator P = Grp.FindPkg(*a); + if (P.end() == true) + continue; + pkgCache::VerIterator allV = Grp.FindPkg("all").CurrentVer(); + for (VerIterator V = P.VersionList(); V.end() != true; ++V) + { + // search for the same version as the all package + if (allV->Hash != V->Hash || strcmp(allV.VerStr(),V.VerStr()) != 0) + continue; + unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy); + // If it is broken, try to install dependencies first before retry + if ((CurDepState & DepInstMin) != DepInstMin) + { + for (pkgCache::DepIterator D = V.DependsList(); D.end() != true; ++D) + { + if (D->Type != pkgCache::Dep::PreDepends && D->Type != pkgCache::Dep::Depends) + continue; + ReInstallPseudoForGroup(D.TargetPkg(), recheck); + } + unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy); + // if package ist still broken… try another arch + if ((CurDepState & DepInstMin) != DepInstMin) + break; + } + // dependencies satisfied: reinstall the package + RemoveSizes(P); + RemoveStates(P); + P->CurrentVer = V.Index(); + PkgState[P->ID].InstallVer = V; + AddStates(P); + Update(P); + AddSizes(P); + return true; + } + } + return false; +} + /*}}}*/ // DepCache::Update - Update the deps list of a package /*{{{*/ // --------------------------------------------------------------------- /* This is a helper for update that only does the dep portion of the scan. @@ -1642,7 +1819,7 @@ bool pkgDepCache::Sweep() /*{{{*/ { state.Garbage=true; if(debug_autoremove) - std::cout << "Garbage: " << p.FullName() << std::endl; + std::clog << "Garbage: " << p.FullName() << std::endl; } }