X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/cda675393c357aeeb7617652f5fe3c77d803229a..ff371080d8672b94ef289f1162704e74959b4ddf:/apt-pkg/depcache.cc diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index 0f30f13c2..411ae5f62 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -17,6 +17,7 @@ #include #include #include +#include #include #include @@ -164,34 +165,46 @@ bool pkgDepCache::Init(OpProgress *Prog) bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/ { FileFd state_file; - string state = _config->FindDir("Dir::State") + "extended_states"; + string const state = _config->FindDir("Dir::State") + "extended_states"; if(FileExists(state)) { state_file.Open(state, FileFd::ReadOnly); - int file_size = state_file.Size(); + int const file_size = state_file.Size(); if(Prog != NULL) Prog->OverallProgress(0, file_size, 1, _("Reading state information")); pkgTagFile tagfile(&state_file); pkgTagSection section; - int amt=0; - bool debug_autoremove=_config->FindB("Debug::pkgAutoRemove",false); + int amt = 0; + bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false); while(tagfile.Step(section)) { - string pkgname = section.FindS("Package"); - pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname); - // Silently ignore unknown packages and packages with no actual - // version. - if(!pkg.end() && !pkg.VersionList().end()) { - short reason = section.FindI("Auto-Installed", 0); - if(reason > 0) - PkgState[pkg->ID].Flags |= Flag::Auto; - if(debug_autoremove) - std::clog << "Auto-Installed : " << pkgname << std::endl; - amt+=section.size(); - if(Prog != NULL) - Prog->OverallProgress(amt, file_size, 1, - _("Reading state information")); + string const pkgname = section.FindS("Package"); + string pkgarch = section.FindS("Architecture"); + if (pkgarch.empty() == true) + pkgarch = "any"; + pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch); + // Silently ignore unknown packages and packages with no actual version. + if(pkg.end() == true || pkg->VersionList == 0) + continue; + + short const reason = section.FindI("Auto-Installed", 0); + if(reason > 0) + { + PkgState[pkg->ID].Flags |= Flag::Auto; + if (unlikely(debug_autoremove)) + std::clog << "Auto-Installed : " << pkg.FullName() << std::endl; + if (pkgarch == "any") + { + pkgCache::GrpIterator G = pkg.Group(); + for (pkg = G.NextPkg(pkg); pkg.end() != true; pkg = G.NextPkg(pkg)) + if (pkg->VersionList != 0) + PkgState[pkg->ID].Flags |= Flag::Auto; + } } + amt += section.size(); + if(Prog != NULL) + Prog->OverallProgress(amt, file_size, 1, + _("Reading state information")); } if(Prog != NULL) Prog->OverallProgress(file_size, file_size, 1, @@ -203,13 +216,13 @@ bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/ /*}}}*/ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ { - bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false); + bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false); if(debug_autoremove) std::clog << "pkgDepCache::writeStateFile()" << std::endl; FileFd StateFile; - string state = _config->FindDir("Dir::State") + "extended_states"; + string const state = _config->FindDir("Dir::State") + "extended_states"; // if it does not exist, create a empty one if(!FileExists(state)) @@ -224,7 +237,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ state.c_str()); FILE *OutFile; - string outfile = state + ".tmp"; + string const outfile = state + ".tmp"; if((OutFile = fopen(outfile.c_str(),"w")) == NULL) return _error->Error(_("Failed to write temporary StateFile %s"), outfile.c_str()); @@ -235,46 +248,72 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ std::set pkgs_seen; const char *nullreorderlist[] = {0}; while(tagfile.Step(section)) { - string pkgname = section.FindS("Package"); + string const pkgname = section.FindS("Package"); + string pkgarch = section.FindS("Architecture"); + if (pkgarch.empty() == true) + pkgarch = "native"; // Silently ignore unknown packages and packages with no actual // version. - pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname); + pkgCache::PkgIterator pkg = Cache->FindPkg(pkgname, pkgarch); if(pkg.end() || pkg.VersionList().end()) continue; - bool 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.Name() << std::endl; - TFRewriteData rewrite[2]; - rewrite[0].Tag = "Auto-Installed"; - rewrite[0].Rewrite = newAuto ? "1" : "0"; + << pkg.FullName() << std::endl; + TFRewriteData rewrite[3]; + rewrite[0].Tag = "Architecture"; + rewrite[0].Rewrite = pkg.Arch(); rewrite[0].NewTag = 0; - rewrite[1].Tag = 0; + rewrite[1].Tag = "Auto-Installed"; + rewrite[1].Rewrite = newAuto ? "1" : "0"; + rewrite[1].NewTag = 0; + rewrite[2].Tag = 0; TFRewrite(OutFile, section, nullreorderlist, rewrite); fprintf(OutFile,"\n"); - pkgs_seen.insert(pkgname); + pkgs_seen.insert(pkg.FullName()); } // 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) { - if (pkgs_seen.find(pkg.Name()) != pkgs_seen.end()) { + 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.Name() << std::endl; + std::clog << "Skipping already written " << pkg.FullName() << std::endl; continue; } - // skip not installed ones if requested - if(InstalledOnly && pkg->CurrentVer == 0) - continue; + // skip not installed ones if requested + 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) + continue; if(debug_autoremove) - std::clog << "Writing new AutoInstall: " - << pkg.Name() << std::endl; + std::clog << "Writing new AutoInstall: " << pkg.FullName() << std::endl; ostr.str(string("")); - ostr << "Package: " << pkg.Name() + ostr << "Package: " << pkg.Name() + << "\nArchitecture: " << pkgarch << "\nAuto-Installed: 1\n\n"; fprintf(OutFile,"%s",ostr.str().c_str()); - fprintf(OutFile,"\n"); } } fclose(OutFile); @@ -596,6 +635,107 @@ void pkgDepCache::UpdateVerState(PkgIterator Pkg) } } /*}}}*/ +// DepCache::RemovePseudoInstalledPkg - MultiArch helper for Update() /*{{{*/ +// --------------------------------------------------------------------- +/* We "install" arch all packages for all archs if it is installed. Many + of these will be broken. This method will look at these broken Pkg and + "remove" it. */ +bool pkgDepCache::RemovePseudoInstalledPkg(PkgIterator &Pkg, std::set &recheck) { + if (unlikely(Pkg->CurrentVer == 0)) + return false; + + VerIterator V = Pkg.CurrentVer(); + if (V->MultiArch != Version::All) + return false; + + // Never ever kill an "all" package - they have no dependency so they can't be broken + if (strcmp(Pkg.Arch(),"all") == 0) + return false; + + 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); + + Pkg->CurrentVer = 0; + PkgState[Pkg->ID].InstallVer = 0; + + AddStates(Pkg); + Update(Pkg); + AddSizes(Pkg); + + // After the remove previously satisfied pseudo pkg could be now + // no longer satisfied, so we need to recheck the reverse dependencies + for (DepIterator d = Pkg.RevDependsList(); d.end() != true; ++d) + { + PkgIterator const P = d.ParentPkg(); + if (P->CurrentVer != 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; +} + /*}}}*/ // DepCache::Update - Figure out all the state information /*{{{*/ // --------------------------------------------------------------------- /* This will figure out the state of all the packages and all the @@ -609,9 +749,13 @@ void pkgDepCache::Update(OpProgress *Prog) iKeepCount = 0; iBrokenCount = 0; iBadCount = 0; - + + std::set recheck; + // Perform the depends pass int Done = 0; + bool const checkMultiArch = APT::Configuration::getArchitectures().size() > 1; + unsigned long killed = 0; for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++) { if (Prog != 0 && Done%20 == 0) @@ -619,7 +763,7 @@ void pkgDepCache::Update(OpProgress *Prog) for (VerIterator V = I.VersionList(); V.end() != true; V++) { unsigned char Group = 0; - + for (DepIterator D = V.DependsList(); D.end() != true; D++) { // Build the dependency state. @@ -637,21 +781,158 @@ void pkgDepCache::Update(OpProgress *Prog) D->Type == Dep::DpkgBreaks || D->Type == Dep::Obsoletes) State = ~State; - } + } } - // Compute the pacakge dependency state and size additions + // Compute the package dependency state and size additions AddSizes(I); UpdateVerState(I); AddStates(I); + + if (checkMultiArch != true || I->CurrentVer == 0) + continue; + + VerIterator const V = I.CurrentVer(); + if (V->MultiArch != Version::All) + continue; + + recheck.insert(I.Index()); + --Done; // no progress if we need to recheck the package + } + + if (checkMultiArch == true) { + /* FIXME: recheck breaks proper progress reporting as we don't know + how many packages we need to recheck. To lower the effect + a bit we increase with a kill, but we should do something more clever… */ + while(recheck.empty() == false) + for (std::set::const_iterator p = recheck.begin(); + p != recheck.end(); ++p) { + if (Prog != 0 && Done%20 == 0) + Prog->Progress(Done); + PkgIterator P = PkgIterator(*Cache, Cache->PkgP + *p); + if (RemovePseudoInstalledPkg(P, recheck) == true) { + ++killed; + ++Done; + } + 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) + if (Prog != 0) Prog->Progress(Done); 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. @@ -813,6 +1094,10 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, AddStates(Pkg); Update(Pkg); AddSizes(Pkg); + + // if we remove the pseudo package, we also need to remove the "real" + if (Pkg->CurrentVer != 0 && Pkg.CurrentVer().Pseudo() == true) + MarkDelete(Pkg.Group().FindPkg("all"), rPurge, Depth+1, FromUser); } /*}}}*/ // DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/ @@ -1339,7 +1624,7 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) // debug output if(debug_autoremove && PkgState[p->ID].Flags & Flag::Auto) - std::clog << "AutoDep: " << p.Name() << std::endl; + std::clog << "AutoDep: " << p.FullName() << std::endl; } // init vars @@ -1373,13 +1658,18 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) // MarkPackage - mark a single package in Mark-and-Sweep /*{{{*/ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, const pkgCache::VerIterator &ver, - bool follow_recommends, - bool follow_suggests) + bool const &follow_recommends, + bool const &follow_suggests) { pkgDepCache::StateCache &state = PkgState[pkg->ID]; - VerIterator currver = pkg.CurrentVer(); - VerIterator candver = state.CandidateVerIter(*this); - VerIterator instver = state.InstVerIter(*this); + + // if we are marked already we are done + if(state.Marked) + return; + + VerIterator const currver = pkg.CurrentVer(); + VerIterator const candver = state.CandidateVerIter(*this); + VerIterator const instver = state.InstVerIter(*this); #if 0 // If a package was garbage-collected but is now being marked, we @@ -1405,15 +1695,11 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, !(ver == currver && instver.end() && !ver.end())) return; - // if we are marked already we are done - if(state.Marked) - return; + bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove", false); - bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove", false); - if(debug_autoremove) { - std::clog << "Marking: " << pkg.Name(); + std::clog << "Marking: " << pkg.FullName(); if(!ver.end()) std::clog << " " << ver.VerStr(); if(!currver.end()) @@ -1425,8 +1711,34 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, state.Marked=true; - if(!ver.end()) + if(ver.end() == true) + return; + + // If the version belongs to a Multi-Arch all package + // we will mark all others in this Group with this version also + // Beware: We compare versions here the lazy way: string comparision + // this is bad if multiple repositories provide different versions + // of the package with an identical version number - but even in this + // case the dependencies are likely the same. + if (ver->MultiArch == pkgCache::Version::All && + strcmp(ver.Arch(true), "all") == 0) { + GrpIterator G = pkg.Group(); + const char* const VerStr = ver.VerStr(); + for (PkgIterator P = G.FindPkg("any"); + P.end() != true; P = G.NextPkg(P)) + { + for (VerIterator V = P.VersionList(); + V.end() != true; ++V) + { + if (strcmp(VerStr, V.VerStr()) != 0) + continue; + MarkPackage(P, V, follow_recommends, follow_suggests); + break; + } + } + } + for(DepIterator d = ver.DependsList(); !d.end(); ++d) { if(d->Type == Dep::Depends || @@ -1444,10 +1756,9 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, { if(debug_autoremove) { - std::clog << "Following dep: " << d.ParentPkg().Name() + std::clog << "Following dep: " << d.ParentPkg().FullName() << " " << d.ParentVer().VerStr() << " " - << d.DepType() << " " - << d.TargetPkg().Name(); + << d.DepType() << " " << d.TargetPkg().FullName(); if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp) { std::clog << " (" << d.CompType() << " " @@ -1455,7 +1766,7 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, } std::clog << std::endl; } - MarkPackage(V.ParentPkg(), V, + MarkPackage(V.ParentPkg(), V, follow_recommends, follow_suggests); } } @@ -1468,17 +1779,16 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, { if(debug_autoremove) { - std::clog << "Following dep: " << d.ParentPkg().Name() - << " " << d.ParentVer().VerStr() << " " - << d.DepType() << " " - << d.TargetPkg().Name(); + std::clog << "Following dep: " << d.ParentPkg().FullName() << " " + << d.ParentVer().VerStr() << " " + << d.DepType() << " " << d.TargetPkg().FullName() << " "; if((d->CompareOp & ~pkgCache::Dep::Or) != pkgCache::Dep::NoOp) { std::clog << " (" << d.CompType() << " " << d.TargetVer() << ")"; } std::clog << ", provided by " - << prv.OwnerPkg().Name() << " " + << prv.OwnerPkg().FullName() << " " << prv.OwnerVer().VerStr() << std::endl; } @@ -1489,7 +1799,6 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, } } } - } } /*}}}*/ bool pkgDepCache::Sweep() /*{{{*/ @@ -1511,7 +1820,7 @@ bool pkgDepCache::Sweep() /*{{{*/ { state.Garbage=true; if(debug_autoremove) - std::clog << "Garbage: " << p.Name() << std::endl; + std::clog << "Garbage: " << p.FullName() << std::endl; } }