X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/5f4db009e50a254f1dd3edaac7b77fe31e1c5f6b..9abb228384185565478a137446a74e42af0c95b5:/apt-pkg/pkgcachegen.cc?ds=sidebyside diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index 3545517fe..d5f1f9072 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -35,12 +35,14 @@ #include /*}}}*/ -typedef vector::iterator FileIterator; +typedef std::vector::iterator FileIterator; template std::vector pkgCacheGenerator::Dynamic::toReMap; -bool IsDuplicateDescription(pkgCache::DescIterator Desc, +static bool IsDuplicateDescription(pkgCache::DescIterator Desc, MD5SumValue const &CurMd5, std::string const &CurLang); +using std::string; + // CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/ // --------------------------------------------------------------------- /* We set the dirty flag and make sure that is written to the disk */ @@ -193,18 +195,36 @@ bool pkgCacheGenerator::MergeList(ListParser &List, string const Version = List.Version(); if (Version.empty() == true && Arch.empty() == true) { + // package descriptions if (MergeListGroup(List, PackageName) == false) return false; + continue; } if (Arch.empty() == true) - Arch = _config->Find("APT::Architecture"); + { + // use the pseudo arch 'none' for arch-less packages + Arch = "none"; + /* We might built a SingleArchCache here, which we don't want to blow up + just for these :none packages to a proper MultiArchCache, so just ensure + that we have always a native package structure first for SingleArch */ + pkgCache::PkgIterator NP; + Dynamic DynPkg(NP); + if (NewPackage(NP, PackageName, _config->Find("APT::Architecture")) == false) + // TRANSLATOR: The first placeholder is a package name, + // the other two should be copied verbatim as they include debug info + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "NewPackage", 0); + } // Get a pointer to the package structure pkgCache::PkgIterator Pkg; Dynamic DynPkg(Pkg); if (NewPackage(Pkg, PackageName, Arch) == false) - return _error->Error(_("Error occurred while processing %s (NewPackage)"),PackageName.c_str()); + // TRANSLATOR: The first placeholder is a package name, + // the other two should be copied verbatim as they include debug info + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "NewPackage", 1); if (Version.empty() == true) @@ -269,8 +289,8 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator pkgCache::VerIterator Ver(Cache); Dynamic DynVer(Ver); if (List.UsePackage(Pkg, Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage1)"), - Pkg.Name()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 1); // Find the right version to write the description MD5SumValue CurMd5 = List.Description_md5(); @@ -279,33 +299,40 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver) { pkgCache::DescIterator Desc = Ver.DescriptionList(); - Dynamic DynDesc(Desc); - map_ptrloc *LastDesc = &Ver->DescriptionList; + + // a version can only have one md5 describing it + if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5) + continue; // don't add a new description if we have one for the given // md5 && language if (IsDuplicateDescription(Desc, CurMd5, CurLang) == true) continue; - for (Desc = Ver.DescriptionList(); - Desc.end() == false; - LastDesc = &Desc->NextDesc, ++Desc) - { - if (MD5SumValue(Desc.md5()) != CurMd5) - continue; - - // Add new description - void const * const oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); - if (oldMap != Map.Data()) - LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastDesc = descindex; - Desc->ParentPkg = Pkg.Index(); - - if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileDesc1)"), Pkg.Name()); - break; - } + Dynamic DynDesc(Desc); + // we add at the end, so that the start is constant as we need + // that to be able to efficiently share these lists + map_ptrloc *LastDesc = &Ver->DescriptionList; + for (;Desc.end() == false && Desc->NextDesc != 0; ++Desc); + if (Desc.end() == false) + LastDesc = &Desc->NextDesc; + + void const * const oldMap = Map.Data(); + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); + if (unlikely(descindex == 0 && _error->PendingError())) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewDescription", 1); + if (oldMap != Map.Data()) + LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; + *LastDesc = descindex; + Desc->ParentPkg = Pkg.Index(); + + if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileDesc", 1); + + // we can stop here as all "same" versions will share the description + break; } return true; @@ -343,12 +370,12 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator if (Res == 0 && Ver.end() == false && Ver->Hash == Hash) { if (List.UsePackage(Pkg,Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage2)"), - Pkg.Name()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 2); if (NewFileVer(Ver,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileVer1)"), - Pkg.Name()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileVer", 1); // Read only a single record and return if (OutVer != 0) @@ -364,8 +391,8 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator // Add a new version map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer); if (verindex == 0 && _error->PendingError()) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - Pkg.Name(), 1); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewVersion", 1); if (oldMap != Map.Data()) LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; @@ -373,17 +400,80 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator Ver->ParentPkg = Pkg.Index(); Ver->Hash = Hash; - if (List.NewVersion(Ver) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - Pkg.Name(), 2); + if (unlikely(List.NewVersion(Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewVersion", 2); - if (List.UsePackage(Pkg,Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage3)"), - Pkg.Name()); + if (unlikely(List.UsePackage(Pkg,Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 3); - if (NewFileVer(Ver,List) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - Pkg.Name(), 3); + if (unlikely(NewFileVer(Ver,List) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileVer", 2); + + pkgCache::GrpIterator Grp = Pkg.Group(); + Dynamic DynGrp(Grp); + + /* If it is the first version of this package we need to add implicit + Multi-Arch dependencies to all other package versions in the group now - + otherwise we just add them for this new version */ + if (Pkg.VersionList()->NextVer == 0) + { + pkgCache::PkgIterator P = Grp.PackageList(); + Dynamic DynP(P); + for (; P.end() != true; P = Grp.NextPkg(P)) + { + if (P->ID == Pkg->ID) + continue; + pkgCache::VerIterator V = P.VersionList(); + Dynamic DynV(V); + for (; V.end() != true; ++V) + if (unlikely(AddImplicitDepends(V, Pkg) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "AddImplicitDepends", 1); + } + /* :none packages are packages without an architecture. They are forbidden by + debian-policy, so usually they will only be in (old) dpkg status files - + and dpkg will complain about them - and are pretty rare. We therefore do + usually not create conflicts while the parent is created, but only if a :none + package (= the target) appears. This creates incorrect dependencies on :none + for architecture-specific dependencies on the package we copy from, but we + will ignore this bug as architecture-specific dependencies are only allowed + in jessie and until then the :none packages should be extinct (hopefully). + In other words: This should work long enough to allow graceful removal of + these packages, it is not supposed to allow users to keep using them … */ + if (strcmp(Pkg.Arch(), "none") == 0) + { + pkgCache::PkgIterator M = Grp.FindPreferredPkg(); + if (M.end() == false && Pkg != M) + { + pkgCache::DepIterator D = M.RevDependsList(); + Dynamic DynD(D); + for (; D.end() == false; ++D) + { + if ((D->Type != pkgCache::Dep::Conflicts && + D->Type != pkgCache::Dep::DpkgBreaks && + D->Type != pkgCache::Dep::Replaces) || + D.ParentPkg().Group() == Grp) + continue; + + map_ptrloc *OldDepLast = NULL; + pkgCache::VerIterator ConVersion = D.ParentVer(); + Dynamic DynV(ConVersion); + // duplicate the Conflicts/Breaks/Replaces for :none arch + if (D->Version == 0) + NewDepends(Pkg, ConVersion, "", 0, D->Type, OldDepLast); + else + NewDepends(Pkg, ConVersion, D.TargetVer(), + D->CompareOp, D->Type, OldDepLast); + } + } + } + } + if (unlikely(AddImplicitDepends(Grp, Pkg, Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "AddImplicitDepends", 2); // Read only a single record and return if (OutVer != 0) @@ -401,7 +491,6 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator /* Before we add a new description we first search in the group for a version with a description of the same MD5 - if so we reuse this description group instead of creating our own for this version */ - pkgCache::GrpIterator Grp = Pkg.Group(); for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P)) { @@ -421,14 +510,18 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator map_ptrloc *LastDesc = &Ver->DescriptionList; oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc); + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); + if (unlikely(descindex == 0 && _error->PendingError())) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewDescription", 2); if (oldMap != Map.Data()) LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; *LastDesc = descindex; Desc->ParentPkg = Pkg.Index(); if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),Pkg.Name()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileDesc", 2); return true; } @@ -458,8 +551,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName); Dynamic DynPkg(Pkg); if (Pkg.end() == true) - return _error->Error(_("Error occurred while processing %s (FindPkg)"), - PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "FindPkg", 1); Counter++; if (Counter % 100 == 0 && Progress != 0) Progress->Progress(List.Offset()); @@ -472,7 +565,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) if (Ver->Hash == Hash && Version.c_str() == Ver.VerStr()) { if (List.CollectFileProvides(Cache,Ver) == false) - return _error->Error(_("Error occurred while processing %s (CollectFileProvides)"),PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "CollectFileProvides", 1); break; } } @@ -563,6 +657,75 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name return true; } + /*}}}*/ +// CacheGenerator::AddImplicitDepends /*{{{*/ +bool pkgCacheGenerator::AddImplicitDepends(pkgCache::GrpIterator &G, + pkgCache::PkgIterator &P, + pkgCache::VerIterator &V) +{ + // copy P.Arch() into a string here as a cache remap + // in NewDepends() later may alter the pointer location + string Arch = P.Arch() == NULL ? "" : P.Arch(); + map_ptrloc *OldDepLast = NULL; + /* MultiArch handling introduces a lot of implicit Dependencies: + - MultiArch: same → Co-Installable if they have the same version + - All others conflict with all other group members */ + bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same); + pkgCache::PkgIterator D = G.PackageList(); + Dynamic DynD(D); + for (; D.end() != true; D = G.NextPkg(D)) + { + if (Arch == D.Arch() || D->VersionList == 0) + continue; + /* We allow only one installed arch at the time + per group, therefore each group member conflicts + with all other group members */ + if (coInstall == true) + { + // Replaces: ${self}:other ( << ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Less, pkgCache::Dep::Replaces, + OldDepLast); + // Breaks: ${self}:other (!= ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks, + OldDepLast); + } else { + // Conflicts: ${self}:other + NewDepends(D, V, "", + pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, + OldDepLast); + } + } + return true; +} +bool pkgCacheGenerator::AddImplicitDepends(pkgCache::VerIterator &V, + pkgCache::PkgIterator &D) +{ + /* MultiArch handling introduces a lot of implicit Dependencies: + - MultiArch: same → Co-Installable if they have the same version + - All others conflict with all other group members */ + map_ptrloc *OldDepLast = NULL; + bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same); + if (coInstall == true) + { + // Replaces: ${self}:other ( << ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Less, pkgCache::Dep::Replaces, + OldDepLast); + // Breaks: ${self}:other (!= ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks, + OldDepLast); + } else { + // Conflicts: ${self}:other + NewDepends(D, V, "", + pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, + OldDepLast); + } + return true; +} + /*}}}*/ // CacheGenerator::NewFileVer - Create a new File<->Version association /*{{{*/ // --------------------------------------------------------------------- @@ -611,6 +774,7 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, // Fill it in Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version); + Dynamic DynV(Ver); Ver->NextVer = Next; Ver->ID = Cache.HeaderP->VersionCount++; map_ptrloc const idxVerStr = WriteStringInMap(VerStr); @@ -682,76 +846,6 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, return Description; } /*}}}*/ -// CacheGenerator::FinishCache - do various finish operations /*{{{*/ -// --------------------------------------------------------------------- -/* This prepares the Cache for delivery */ -bool pkgCacheGenerator::FinishCache(OpProgress *Progress) -{ - // FIXME: add progress reporting for this operation - // Do we have different architectures in your groups ? - vector archs = APT::Configuration::getArchitectures(); - if (archs.size() > 1) - { - // Create Conflicts in between the group - pkgCache::GrpIterator G = GetCache().GrpBegin(); - Dynamic DynG(G); - for (; G.end() != true; ++G) - { - string const PkgName = G.Name(); - pkgCache::PkgIterator P = G.PackageList(); - Dynamic DynP(P); - for (; P.end() != true; P = G.NextPkg(P)) - { - pkgCache::PkgIterator allPkg; - Dynamic DynallPkg(allPkg); - pkgCache::VerIterator V = P.VersionList(); - Dynamic DynV(V); - for (; V.end() != true; ++V) - { - // copy P.Arch() into a string here as a cache remap - // in NewDepends() later may alter the pointer location - string Arch = P.Arch() == NULL ? "" : P.Arch(); - map_ptrloc *OldDepLast = NULL; - /* MultiArch handling introduces a lot of implicit Dependencies: - - MultiArch: same → Co-Installable if they have the same version - - Architecture: all → Need to be Co-Installable for internal reasons - - All others conflict with all other group members */ - bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same); - for (vector::const_iterator A = archs.begin(); A != archs.end(); ++A) - { - if (*A == Arch) - continue; - /* We allow only one installed arch at the time - per group, therefore each group member conflicts - with all other group members */ - pkgCache::PkgIterator D = G.FindPkg(*A); - Dynamic DynD(D); - if (D.end() == true) - continue; - if (coInstall == true) - { - // Replaces: ${self}:other ( << ${binary:Version}) - NewDepends(D, V, V.VerStr(), - pkgCache::Dep::Less, pkgCache::Dep::Replaces, - OldDepLast); - // Breaks: ${self}:other (!= ${binary:Version}) - NewDepends(D, V, V.VerStr(), - pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks, - OldDepLast); - } else { - // Conflicts: ${self}:other - NewDepends(D, V, "", - pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, - OldDepLast); - } - } - } - } - } - } - return true; -} - /*}}}*/ // CacheGenerator::NewDepends - Create a dependency element /*{{{*/ // --------------------------------------------------------------------- /* This creates a dependency element in the tree. It is linked to the @@ -830,6 +924,9 @@ bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator &Ver, // Locate the target package pkgCache::PkgIterator Pkg = Grp.FindPkg(Arch); + // we don't create 'none' packages and their dependencies if we can avoid it … + if (Pkg.end() == true && Arch == "none" && strcmp(Ver.ParentPkg().Arch(), "none") != 0) + return true; Dynamic DynPkg(Pkg); if (Pkg.end() == true) { if (unlikely(Owner->NewPackage(Pkg, PackageName, Arch) == false)) @@ -1188,14 +1285,14 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress MMap **OutMap,bool AllowMem) { bool const Debug = _config->FindB("Debug::pkgCacheGen", false); - - vector Files; - for (vector::const_iterator i = List.begin(); + + std::vector Files; + for (std::vector::const_iterator i = List.begin(); i != List.end(); ++i) { - vector *Indexes = (*i)->GetIndexFiles(); - for (vector::const_iterator j = Indexes->begin(); + std::vector *Indexes = (*i)->GetIndexFiles(); + for (std::vector::const_iterator j = Indexes->begin(); j != Indexes->end(); ++j) Files.push_back (*j); @@ -1275,10 +1372,11 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress } _error->RevertToStack(); } - else if (Debug == true) + else { _error->MergeWithStack(); - std::clog << "Open filebased MMap" << std::endl; + if (Debug == true) + std::clog << "Open filebased MMap" << std::endl; } } if (Writeable == false || CacheFile.empty() == true) @@ -1314,9 +1412,6 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress if (BuildCache(Gen,Progress,CurrentSize,TotalSize, Files.begin()+EndOfSource,Files.end()) == false) return false; - - // FIXME: move me to a better place - Gen.FinishCache(Progress); } else { @@ -1359,9 +1454,6 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress if (BuildCache(Gen,Progress,CurrentSize,TotalSize, Files.begin()+EndOfSource,Files.end()) == false) return false; - - // FIXME: move me to a better place - Gen.FinishCache(Progress); } if (Debug == true) std::clog << "Caches are ready for shipping" << std::endl; @@ -1391,7 +1483,7 @@ __deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutM { return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); } bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap) { - vector Files; + std::vector Files; unsigned long EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; @@ -1412,9 +1504,6 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O Files.begin()+EndOfSource,Files.end()) == false) return false; - // FIXME: move me to a better place - Gen.FinishCache(Progress); - if (_error->PendingError() == true) return false; *OutMap = Map.UnGuard(); @@ -1423,13 +1512,21 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O } /*}}}*/ // IsDuplicateDescription /*{{{*/ -bool IsDuplicateDescription(pkgCache::DescIterator Desc, +static bool IsDuplicateDescription(pkgCache::DescIterator Desc, MD5SumValue const &CurMd5, std::string const &CurLang) { - for ( ; Desc.end() == false; ++Desc) - if (MD5SumValue(Desc.md5()) == CurMd5 && Desc.LanguageCode() == CurLang) + // Descriptions in the same link-list have all the same md5 + if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5) + return false; + for (; Desc.end() == false; ++Desc) + if (Desc.LanguageCode() == CurLang) return true; return false; } /*}}}*/ - +// CacheGenerator::FinishCache /*{{{*/ +bool pkgCacheGenerator::FinishCache(OpProgress *Progress) +{ + return true; +} + /*}}}*/