X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/857e9c13d8d9808fcd1ac8ff3469f6c0b90b7fea..c753eec1d192a56e7f4ba1b07ae766b740185a3f:/apt-pkg/deb/deblistparser.cc diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 26841d3d2..0551a5f7c 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -17,10 +17,9 @@ #include #include #include +#include #include - -#include /*}}}*/ static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important}, @@ -37,8 +36,8 @@ static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Impor we would accept in general with checkArchitecture() */ debListParser::debListParser(FileFd *File, string const &Arch) : Tags(File), Arch(Arch) { - if (Arch == "native") - this->Arch = _config->Find("APT::Architecture"); + if (Arch == "native") + this->Arch = _config->Find("APT::Architecture"); } /*}}}*/ // ListParser::UniqFindTagWrite - Find the tag and write a unq string /*{{{*/ @@ -57,10 +56,10 @@ unsigned long debListParser::UniqFindTagWrite(const char *Tag) // --------------------------------------------------------------------- /* This is to return the name of the package this section describes */ string debListParser::Package() { - string const Result = Section.FindS("Package"); - if(unlikely(Result.empty() == true)) - _error->Error("Encountered a section with no Package: header"); - return Result; + string const Result = Section.FindS("Package"); + if(unlikely(Result.empty() == true)) + _error->Error("Encountered a section with no Package: header"); + return Result; } /*}}}*/ // ListParser::Architecture - Return the package arch /*{{{*/ @@ -69,25 +68,26 @@ string debListParser::Package() { Note that architecture "all" packages will get the architecture of the Packages file parsed here. */ string debListParser::Architecture() { - string const Result = Section.FindS("Architecture"); - if (Result.empty() == true || Result == "all") { - if (Arch.empty() == true) - /* FIXME: this is a problem for installed arch all - packages as we don't know from which arch this - package was installed - and therefore which - dependency this package resolves. */ - return _config->Find("APT::Architecture"); - else - return Arch; - } - return Result; + string const Result = Section.FindS("Architecture"); + if (Result.empty() == true || Result == "all") + { + if (Arch.empty() == true) + /* FIXME: this is a problem for installed arch all + packages as we don't know from which arch this + package was installed - and therefore which + dependency this package resolves. */ + return _config->Find("APT::Architecture"); + else + return Arch; + } + return Result; } /*}}}*/ // ListParser::ArchitectureAll /*{{{*/ // --------------------------------------------------------------------- /* */ bool debListParser::ArchitectureAll() { - return Section.FindS("Architecture") == "all"; + return Section.FindS("Architecture") == "all"; } /*}}}*/ // ListParser::Version - Return the version string /*{{{*/ @@ -148,6 +148,25 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver) Ver->Priority = pkgCache::State::Extra; } + if (Ver->MultiArch == pkgCache::Version::All) + { + /* We maintain a "pseudo" arch=all package for architecture all versions + on which these versions can depend on. This pseudo package is many used + for downloading/installing: The other pseudo-packages will degenerate + to a NOP in the download/install step - this package will ensure that + it is downloaded only one time and installed only one time -- even if + the architecture bound versions coming in and out on regular basis. */ + bool const static multiArch = APT::Configuration::getArchitectures().size() > 1; + if (strcmp(Ver.Arch(true),"all") == 0) + return true; + else if (multiArch == true) + { + // our pseudo packages have no size to not confuse the fetcher + Ver->Size = 0; + Ver->InstalledSize = 0; + } + } + if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false) return false; if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false) @@ -237,9 +256,13 @@ bool debListParser::UsePackage(pkgCache::PkgIterator Pkg, if (Pkg->Section == 0) Pkg->Section = UniqFindTagWrite("Section"); - // Packages which are not from "our" arch doesn't get the essential flag + // Packages which are not from the "native" arch doesn't get the essential flag + // in the default "native" mode - it is also possible to mark "all" or "none". + // The "installed" mode is handled by ParseStatus(), See #544481 and friends. string const static myArch = _config->Find("APT::Architecture"); - if (Pkg->Arch != 0 && myArch == Pkg.Arch()) + string const static essential = _config->Find("pkgCacheGen::Essential", "native"); + if ((essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()) || + essential == "all") if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false) return false; if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false) @@ -315,7 +338,13 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, const char *Stop; if (Section.Find("Status",Start,Stop) == false) return true; - + + // UsePackage() is responsible for setting the flag in the default case + bool const static essential = _config->Find("pkgCacheGen::Essential", "") == "installed"; + if (essential == true && + Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false) + return false; + // Isolate the first word const char *I = Start; for(; I < Stop && *I != ' '; I++); @@ -591,9 +620,12 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver, const char *Stop; if (Section.Find(Tag,Start,Stop) == false) return true; - + + static std::vector const archs = APT::Configuration::getArchitectures(); + static bool const multiArch = archs.size() <= 1; + string Package; - string const pkgArch = Ver.Arch(); + string const pkgArch = Ver.Arch(true); string Version; unsigned int Op; @@ -602,8 +634,18 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver, Start = ParseDepends(Start,Stop,Package,Version,Op); if (Start == 0) return _error->Error("Problem parsing dependency %s",Tag); - - if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false) + + if (multiArch == true && + (Type == pkgCache::Dep::Conflicts || + Type == pkgCache::Dep::DpkgBreaks || + Type == pkgCache::Dep::Replaces)) + { + for (std::vector::const_iterator a = archs.begin(); + a != archs.end(); ++a) + if (NewDepends(Ver,Package,*a,Version,Op,Type) == false) + return false; + } + else if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false) return false; if (Start == Stop) break; @@ -618,29 +660,52 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver) { const char *Start; const char *Stop; - if (Section.Find("Provides",Start,Stop) == false) - return true; - - string Package; - string Version; - unsigned int Op; - - while (1) + if (Section.Find("Provides",Start,Stop) == true) { - Start = ParseDepends(Start,Stop,Package,Version,Op); - if (Start == 0) - return _error->Error("Problem parsing Provides line"); - if (Op != pkgCache::Dep::NoOp) { - _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str()); - } else { - if (NewProvides(Ver,Package,Version) == false) - return false; + string Package; + string Version; + string const Arch = Ver.Arch(true); + unsigned int Op; + + while (1) + { + Start = ParseDepends(Start,Stop,Package,Version,Op); + if (Start == 0) + return _error->Error("Problem parsing Provides line"); + if (Op != pkgCache::Dep::NoOp) { + _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str()); + } else { + if (NewProvides(Ver, Package, Arch, Version) == false) + return false; + } + + if (Start == Stop) + break; } + } - if (Start == Stop) - break; + if (Ver->MultiArch == pkgCache::Version::Allowed) + { + string const Package = string(Ver.ParentPkg().Name()).append(":").append("any"); + NewProvides(Ver, Package, "any", Ver.VerStr()); } - + + if (Ver->MultiArch != pkgCache::Version::Foreign) + return true; + + std::vector const archs = APT::Configuration::getArchitectures(); + if (archs.size() <= 1) + return true; + + string const Package = Ver.ParentPkg().Name(); + string const Version = Ver.VerStr(); + for (std::vector::const_iterator a = archs.begin(); + a != archs.end(); ++a) + { + if (NewProvides(Ver, Package, *a, Version) == false) + return false; + } + return true; } /*}}}*/