X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b5cabd30cc1be1c6c1ca675ceb359bab577c1905..a3bbbab7ca5f94391b2158cfe9deb85eb335e29a:/apt-pkg/policy.cc?ds=sidebyside diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index a3286391b..c5028d822 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -16,7 +16,7 @@ 990 = Config file override package files 989 = Start for preference auto-priorities 500 = Default package files - 100 = The status file + 100 = The status file and ButAutomaticUpgrades sources 0 -> 100 = NotAutomatic sources like experimental -inf -> 0 = Never selected @@ -45,6 +45,8 @@ using namespace std; file matches the V0 policy engine. */ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner) { + if (Owner == 0 || &(Owner->Head()) == 0) + return; PFPriority = new signed short[Owner->Head().PackageFileCount]; Pins = new Pin[Owner->Head().PackageCount]; @@ -54,8 +56,22 @@ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner) // The config file has a master override. string DefRel = _config->Find("APT::Default-Release"); if (DefRel.empty() == false) - CreatePin(pkgVersionMatch::Release,"",DefRel,990); - + { + bool found = false; + // FIXME: make ExpressionMatches static to use it here easily + pkgVersionMatch vm("", pkgVersionMatch::None); + for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F) + { + if ((F->Archive != 0 && vm.ExpressionMatches(DefRel, F.Archive()) == true) || + (F->Codename != 0 && vm.ExpressionMatches(DefRel, F.Codename()) == true) || + (F->Version != 0 && vm.ExpressionMatches(DefRel, F.Version()) == true)) + found = true; + } + if (found == false) + _error->Error(_("The value '%s' is invalid for APT::Default-Release as such a release is not available in the sources"), DefRel.c_str()); + else + CreatePin(pkgVersionMatch::Release,"",DefRel,990); + } InitDefaults(); } /*}}}*/ @@ -70,9 +86,10 @@ bool pkgPolicy::InitDefaults() PFPriority[I->ID] = 500; if ((I->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) PFPriority[I->ID] = 100; - else - if ((I->Flags & pkgCache::Flag::NotAutomatic) == pkgCache::Flag::NotAutomatic) - PFPriority[I->ID] = 1; + else if ((I->Flags & pkgCache::Flag::ButAutomaticUpgrades) == pkgCache::Flag::ButAutomaticUpgrades) + PFPriority[I->ID] = 100; + else if ((I->Flags & pkgCache::Flag::NotAutomatic) == pkgCache::Flag::NotAutomatic) + PFPriority[I->ID] = 1; } // Apply the defaults.. @@ -149,13 +166,6 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk { /* Lets see if this version is the installed version */ bool instVer = (Pkg.CurrentVer() == Ver); - if (Ver.Pseudo() == true && instVer == false) - { - pkgCache::PkgIterator const allPkg = Ver.ParentPkg().Group().FindPkg("all"); - if (allPkg->CurrentVer != 0 && allPkg.CurrentVer()->Hash == Ver->Hash && - strcmp(allPkg.CurVersion(), Ver.VerStr()) == 0) - instVer = true; - } for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++) { @@ -214,35 +224,71 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, { if (Name.empty() == true) { - Pin *P = &*Defaults.insert(Defaults.end(),PkgPin()); + Pin *P = &*Defaults.insert(Defaults.end(),Pin()); P->Type = Type; P->Priority = Priority; P->Data = Data; return; } - // Get a spot to put the pin - pkgCache::GrpIterator Grp = Cache->FindGrp(Name); - for (pkgCache::PkgIterator Pkg = Grp.FindPkg("any"); - Pkg.end() != true; Pkg = Grp.NextPkg(Pkg)) + size_t found = Name.rfind(':'); + string Arch; + if (found != string::npos) { + Arch = Name.substr(found+1); + Name.erase(found); + } + + // Allow pinning by wildcards + // TODO: Maybe we should always prefer specific pins over non- + // specific ones. + if (Name[0] == '/' || Name.find_first_of("*[?") != string::npos) { - Pin *P = 0; - if (Pkg.end() == false) - P = Pins + Pkg->ID; - else - { - // Check the unmatched table - for (vector::iterator I = Unmatched.begin(); - I != Unmatched.end() && P == 0; I++) - if (I->Pkg == Name) - P = &*I; + pkgVersionMatch match(Data, Type); + for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G) + if (match.ExpressionMatches(Name, G.Name())) + { + if (Arch.empty() == false) + CreatePin(Type, string(G.Name()).append(":").append(Arch), Data, Priority); + else + CreatePin(Type, G.Name(), Data, Priority); + } + return; + } - if (P == 0) - P = &*Unmatched.insert(Unmatched.end(),PkgPin()); - } + // find the package (group) this pin applies to + pkgCache::GrpIterator Grp; + pkgCache::PkgIterator Pkg; + if (Arch.empty() == false) + Pkg = Cache->FindPkg(Name, Arch); + else { + Grp = Cache->FindGrp(Name); + if (Grp.end() == false) + Pkg = Grp.PackageList(); + } + + if (Pkg.end() == true) + { + PkgPin *P = &*Unmatched.insert(Unmatched.end(),PkgPin(Name)); + if (Arch.empty() == false) + P->Pkg.append(":").append(Arch); + P->Type = Type; + P->Priority = Priority; + P->Data = Data; + return; + } + + for (; Pkg.end() != true; Pkg = Grp.NextPkg(Pkg)) + { + Pin *P = Pins + Pkg->ID; + // the first specific stanza for a package is the ruler, + // all others need to be ignored + if (P->Type != pkgVersionMatch::None) + P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName())); P->Type = Type; P->Priority = Priority; P->Data = Data; + if (Grp.end() == true) + break; } } /*}}}*/ @@ -327,7 +373,7 @@ bool ReadPinFile(pkgPolicy &Plcy,string File) if (File.empty() == true) File = _config->FindFile("Dir::Etc::Preferences"); - if (FileExists(File) == false) + if (RealFileExists(File) == false) return true; FileFd Fd(File,FileFd::ReadOnly);