X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/5b7d1ee67575e311871fb73be421ea7fd2f6fd73..d4273c55e34cdf5a355b4edd92df61a83cfab318:/apt-pkg/policy.cc diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index 291d83c67..4ae3b5f87 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -23,18 +23,21 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include +#include #include #include #include #include #include -#include - #include #include + +#include /*}}}*/ using namespace std; @@ -56,8 +59,23 @@ 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) || + (DefRel.length() > 2 && DefRel[1] == '=')) + 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(); } /*}}}*/ @@ -67,7 +85,7 @@ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner) bool pkgPolicy::InitDefaults() { // Initialize the priorities based on the status of the package file - for (pkgCache::PkgFileIterator I = Cache->FileBegin(); I != Cache->FileEnd(); I++) + for (pkgCache::PkgFileIterator I = Cache->FileBegin(); I != Cache->FileEnd(); ++I) { PFPriority[I->ID] = 500; if ((I->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) @@ -84,10 +102,10 @@ bool pkgPolicy::InitDefaults() signed Cur = 989; StatusOverride = false; for (vector::const_iterator I = Defaults.begin(); I != Defaults.end(); - I++, Cur--) + ++I, --Cur) { pkgVersionMatch Match(I->Data,I->Type); - for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++) + for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F) { if (Match.FileMatch(F) == true && Fixed[F->ID] == false) { @@ -108,7 +126,7 @@ bool pkgPolicy::InitDefaults() } if (_config->FindB("Debug::pkgPolicy",false) == true) - for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++) + for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F) std::clog << "Prio of " << F.FileName() << ' ' << PFPriority[F->ID] << std::endl; return true; @@ -148,12 +166,12 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk tracks the default when the default is taken away, and a permanent pin that stays at that setting. */ - for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; Ver++) + for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver) { /* Lets see if this version is the installed version */ bool instVer = (Pkg.CurrentVer() == Ver); - for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++) + for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF) { /* If this is the status file, and the current version is not the version in the status file (ie it is not installed, or somesuch) @@ -210,13 +228,20 @@ 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; } - + + 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. @@ -225,35 +250,51 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, pkgVersionMatch match(Data, Type); for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G) if (match.ExpressionMatches(Name, G.Name())) - CreatePin(Type, G.Name(), Data, Priority); + { + if (Arch.empty() == false) + CreatePin(Type, string(G.Name()).append(":").append(Arch), Data, Priority); + else + CreatePin(Type, G.Name(), Data, Priority); + } return; } - // Get a spot to put the pin + // find the package (group) this pin applies to pkgCache::GrpIterator Grp = Cache->FindGrp(Name); - if (Grp.end() == true) - return; - - for (pkgCache::PkgIterator Pkg = Grp.PackageList(); - Pkg.end() != true; Pkg = Grp.NextPkg(Pkg)) + bool matched = false; + if (Grp.end() == false) { - Pin *P = 0; - if (Pkg.end() == false) - P = Pins + Pkg->ID; + std::string MatchingArch; + if (Arch.empty() == true) + MatchingArch = Cache->NativeArch(); else + MatchingArch = Arch; + APT::CacheFilter::PackageArchitectureMatchesSpecification pams(MatchingArch); + for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() != true; Pkg = Grp.NextPkg(Pkg)) { - // Check the unmatched table - for (vector::iterator I = Unmatched.begin(); - I != Unmatched.end() && P == 0; I++) - if (I->Pkg == Name) - P = &*I; - - if (P == 0) - P = &*Unmatched.insert(Unmatched.end(),PkgPin()); + if (pams(Pkg.Arch()) == false) + continue; + 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; + matched = true; } + } + + if (matched == false) + { + 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; } } /*}}}*/ @@ -284,6 +325,10 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg) } return 0; +} +signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File) +{ + return PFPriority[File->ID]; } /*}}}*/ // PreferenceSection class - Overriding the default TrimRecord method /*{{{*/ @@ -321,7 +366,7 @@ bool ReadPinDir(pkgPolicy &Plcy,string Dir) vector const List = GetListOfFilesInDir(Dir, "pref", true, true); // Read the files - for (vector::const_iterator I = List.begin(); I != List.end(); I++) + for (vector::const_iterator I = List.begin(); I != List.end(); ++I) if (ReadPinFile(Plcy, *I) == false) return false; return true;