X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/566046f403acb3f50df78be93ea3b68b9f2c3e7b..734b7c817a54e2717bc9124a691be532d881a65b:/apt-pkg/pkgcachegen.cc diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index ae031fee4..d14a7af1c 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -10,7 +10,7 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#define APT_COMPATIBILITY 986 +#include #include #include @@ -23,21 +23,26 @@ #include #include #include - #include - -#include +#include +#include #include - #include #include #include #include + +#include /*}}}*/ -typedef vector::iterator FileIterator; +typedef std::vector::iterator FileIterator; template std::vector pkgCacheGenerator::Dynamic::toReMap; +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 */ @@ -64,7 +69,9 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : *Cache.HeaderP = pkgCache::Header(); map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label); Cache.HeaderP->VerSysName = idxVerSysName; - map_ptrloc const idxArchitecture = WriteStringInMap(_config->Find("APT::Architecture")); + // this pointer is set in ReMap, but we need it now for WriteUniqString + Cache.StringItemP = (pkgCache::StringItem *)Map.Data(); + map_ptrloc const idxArchitecture = WriteUniqString(_config->Find("APT::Architecture")); Cache.HeaderP->Architecture = idxArchitecture; if (unlikely(idxVerSysName == 0 || idxArchitecture == 0)) return; @@ -98,6 +105,7 @@ pkgCacheGenerator::~pkgCacheGenerator() return; Cache.HeaderP->Dirty = false; + Cache.HeaderP->CacheFileSize = Map.Size(); Map.Sync(0,sizeof(pkgCache::Header)); } /*}}}*/ @@ -105,6 +113,9 @@ void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newM if (oldMap == newMap) return; + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "Remaping from " << oldMap << " to " << newMap << std::endl; + Cache.ReMap(false); CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap; @@ -178,82 +189,171 @@ bool pkgCacheGenerator::MergeList(ListParser &List, if (PackageName.empty() == true) return false; - string const Arch = List.Architecture(); - + Counter++; + if (Counter % 100 == 0 && Progress != 0) + Progress->Progress(List.Offset()); + + string Arch = List.Architecture(); + 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) + { + // 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()); - Counter++; - if (Counter % 100 == 0 && Progress != 0) - Progress->Progress(List.Offset()); + // 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); + - /* Get a pointer to the version structure. We know the list is sorted - so we use that fact in the search. Insertion of new versions is - done with correct sorting */ - string Version = List.Version(); if (Version.empty() == true) { - // we first process the package, then the descriptions - // (this has the bonus that we get MMap error when we run out - // of MMap space) - pkgCache::VerIterator Ver(Cache); - Dynamic DynVer(Ver); - if (List.UsePackage(Pkg, Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage1)"), - PackageName.c_str()); - - // Find the right version to write the description - MD5SumValue CurMd5 = List.Description_md5(); - Ver = Pkg.VersionList(); - - for (; Ver.end() == false; ++Ver) - { - pkgCache::DescIterator Desc = Ver.DescriptionList(); - Dynamic DynDesc(Desc); - map_ptrloc *LastDesc = &Ver->DescriptionList; - bool duplicate=false; - - // don't add a new description if we have one for the given - // md5 && language - for ( ; Desc.end() == false; Desc++) - if (MD5SumValue(Desc.md5()) == CurMd5 && - Desc.LanguageCode() == List.DescriptionLanguage()) - duplicate=true; - if(duplicate) - continue; - - for (Desc = Ver.DescriptionList(); - Desc.end() == false; - LastDesc = &Desc->NextDesc, Desc++) - { - if (MD5SumValue(Desc.md5()) == CurMd5) - { - // Add new description - void const * const oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), 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)"),PackageName.c_str()); - break; - } - } - } + if (MergeListPackage(List, Pkg) == false) + return false; + } + else + { + if (MergeListVersion(List, Pkg, Version, OutVer) == false) + return false; + } - continue; + if (OutVer != 0) + { + FoundFileDeps |= List.HasFileDeps(); + return true; } + } - pkgCache::VerIterator Ver = Pkg.VersionList(); - Dynamic DynVer(Ver); - map_ptrloc *LastVer = &Pkg->VersionList; - void const * oldMap = Map.Data(); + if (Cache.HeaderP->PackageCount >= (1ULL<ID)*8)-1) + return _error->Error(_("Wow, you exceeded the number of package " + "names this APT is capable of.")); + if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1) + return _error->Error(_("Wow, you exceeded the number of versions " + "this APT is capable of.")); + if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1) + return _error->Error(_("Wow, you exceeded the number of descriptions " + "this APT is capable of.")); + if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL) + return _error->Error(_("Wow, you exceeded the number of dependencies " + "this APT is capable of.")); + + FoundFileDeps |= List.HasFileDeps(); + return true; +} +// CacheGenerator::MergeListGroup /*{{{*/ +bool pkgCacheGenerator::MergeListGroup(ListParser &List, std::string const &GrpName) +{ + pkgCache::GrpIterator Grp = Cache.FindGrp(GrpName); + // a group has no data on it's own, only packages have it but these + // stanzas like this come from Translation- files to add descriptions, + // but without a version we don't need a description for it… + if (Grp.end() == true) + return true; + Dynamic DynGrp(Grp); + + pkgCache::PkgIterator Pkg; + Dynamic DynPkg(Pkg); + for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) + if (MergeListPackage(List, Pkg) == false) + return false; + + return true; +} + /*}}}*/ +// CacheGenerator::MergeListPackage /*{{{*/ +bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg) +{ + // we first process the package, then the descriptions + // (for deb this package processing is in fact a no-op) + pkgCache::VerIterator Ver(Cache); + Dynamic DynVer(Ver); + if (List.UsePackage(Pkg, Ver) == false) + 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(); + std::string CurLang = List.DescriptionLanguage(); + + for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver) + { + pkgCache::DescIterator VerDesc = Ver.DescriptionList(); + + // a version can only have one md5 describing it + if (VerDesc.end() == true || MD5SumValue(VerDesc.md5()) != CurMd5) + continue; + + // don't add a new description if we have one for the given + // md5 && language + if (IsDuplicateDescription(VerDesc, CurMd5, CurLang) == true) + continue; + + pkgCache::DescIterator Desc; + Dynamic DynDesc(Desc); + + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, VerDesc->md5sum); + if (unlikely(descindex == 0 && _error->PendingError())) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewDescription", 1); + + Desc->ParentPkg = Pkg.Index(); + + // we add at the end, so that the start is constant as we need + // that to be able to efficiently share these lists + VerDesc = Ver.DescriptionList(); // old value might be invalid after ReMap + for (;VerDesc.end() == false && VerDesc->NextDesc != 0; ++VerDesc); + map_ptrloc * const LastNextDesc = (VerDesc.end() == true) ? &Ver->DescriptionList : &VerDesc->NextDesc; + *LastNextDesc = descindex; + + if (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; +} + /*}}}*/ +// CacheGenerator::MergeListVersion /*{{{*/ +bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg, + std::string const &Version, pkgCache::VerIterator* &OutVer) +{ + pkgCache::VerIterator Ver = Pkg.VersionList(); + Dynamic DynVer(Ver); + map_ptrloc *LastVer = &Pkg->VersionList; + void const * oldMap = Map.Data(); + + unsigned long const Hash = List.VersionHash(); + if (Ver.end() == false) + { + /* We know the list is sorted so we use that fact in the search. + Insertion of new versions is done with correct sorting */ int Res = 1; - unsigned long const Hash = List.VersionHash(); for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) { Res = Cache.VS->CmpVersion(Version,Ver.VerStr()); @@ -271,94 +371,160 @@ bool pkgCacheGenerator::MergeList(ListParser &List, if (Res == 0 && Ver.end() == false && Ver->Hash == Hash) { if (List.UsePackage(Pkg,Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage2)"), - PackageName.c_str()); + 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)"), - PackageName.c_str()); - + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileVer", 1); + // Read only a single record and return if (OutVer != 0) { *OutVer = Ver; - FoundFileDeps |= List.HasFileDeps(); return true; } - - continue; + + return true; } + } - // 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)"), - PackageName.c_str(), 1); + // 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 (%s%d)"), + Pkg.Name(), "NewVersion", 1); - if (oldMap != Map.Data()) + if (oldMap != Map.Data()) LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastVer = verindex; - Ver->ParentPkg = Pkg.Index(); - Ver->Hash = Hash; + *LastVer = verindex; + Ver->ParentPkg = Pkg.Index(); + Ver->Hash = Hash; - if (List.NewVersion(Ver) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - PackageName.c_str(), 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)"), - PackageName.c_str()); - - if (NewFileVer(Ver,List) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - PackageName.c_str(), 3); + if (unlikely(List.UsePackage(Pkg,Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 3); - // Read only a single record and return - if (OutVer != 0) + 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)) { - *OutVer = Ver; - FoundFileDeps |= List.HasFileDeps(); - return true; - } + 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; - /* Record the Description data. Description data always exist in - Packages and Translation-* files. */ - pkgCache::DescIterator Desc = Ver.DescriptionList(); - Dynamic DynDesc(Desc); - map_ptrloc *LastDesc = &Ver->DescriptionList; + 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); - // Skip to the end of description set - for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++); + // Read only a single record and return + if (OutVer != 0) + { + *OutVer = Ver; + return true; + } - // Add new description - oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc); - if (oldMap != Map.Data()) - LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastDesc = descindex; - Desc->ParentPkg = Pkg.Index(); + /* Record the Description (it is not translated) */ + MD5SumValue CurMd5 = List.Description_md5(); + if (CurMd5.Value().empty() == true) + return true; + std::string CurLang = List.DescriptionLanguage(); - if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str()); + /* 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 */ + for (pkgCache::PkgIterator P = Grp.PackageList(); + P.end() == false; P = Grp.NextPkg(P)) + { + for (pkgCache::VerIterator V = P.VersionList(); + V.end() == false; ++V) + { + if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false) + continue; + Ver->DescriptionList = V->DescriptionList; + return true; + } } - FoundFileDeps |= List.HasFileDeps(); + // We haven't found reusable descriptions, so add the first description + pkgCache::DescIterator Desc = Ver.DescriptionList(); + Dynamic DynDesc(Desc); + + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, 0); + if (unlikely(descindex == 0 && _error->PendingError())) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewDescription", 2); + + Desc->ParentPkg = Pkg.Index(); + Ver->DescriptionList = descindex; + + if (NewFileDesc(Desc,List) == false) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileDesc", 2); - if (Cache.HeaderP->PackageCount >= (1ULL<ID)*8)-1) - return _error->Error(_("Wow, you exceeded the number of package " - "names this APT is capable of.")); - if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1) - return _error->Error(_("Wow, you exceeded the number of versions " - "this APT is capable of.")); - if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1) - return _error->Error(_("Wow, you exceeded the number of descriptions " - "this APT is capable of.")); - if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL) - return _error->Error(_("Wow, you exceeded the number of dependencies " - "this APT is capable of.")); return true; } /*}}}*/ + /*}}}*/ // CacheGenerator::MergeFileProvides - Merge file provides /*{{{*/ // --------------------------------------------------------------------- /* If we found any file depends while parsing the main list we need to @@ -383,8 +549,8 @@ 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()); @@ -392,12 +558,13 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) unsigned long Hash = List.VersionHash(); pkgCache::VerIterator Ver = Pkg.VersionList(); Dynamic DynVer(Ver); - for (; Ver.end() == false; Ver++) + for (; Ver.end() == false; ++Ver) { 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; } } @@ -479,7 +646,8 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name // Set the name, arch and the ID Pkg->Name = Grp->Name; Pkg->Group = Grp.Index(); - map_ptrloc const idxArch = WriteUniqString((Arch == "all") ? _config->Find("APT::Architecture") : Arch.c_str()); + // all is mapped to the native architecture + map_ptrloc const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : WriteUniqString(Arch.c_str()); if (unlikely(idxArch == 0)) return false; Pkg->Arch = idxArch; @@ -487,6 +655,75 @@ 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 /*{{{*/ // --------------------------------------------------------------------- @@ -507,7 +744,7 @@ bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver, // Link it to the end of the list map_ptrloc *Last = &Ver->FileList; - for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; V++) + for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; ++V) Last = &V->NextFile; VF->NextFile = *Last; *Last = VF.Index(); @@ -535,6 +772,7 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, // Fill it in Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version); + //Dynamic DynV(Ver); // caller MergeListVersion already takes care of it Ver->NextVer = Next; Ver->ID = Cache.HeaderP->VersionCount++; map_ptrloc const idxVerStr = WriteStringInMap(VerStr); @@ -564,7 +802,7 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, // Link it to the end of the list map_ptrloc *Last = &Desc->FileList; - for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; D++) + for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; ++D) Last = &D->NextFile; DF->NextFile = *Last; @@ -583,9 +821,9 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, // --------------------------------------------------------------------- /* This puts a description structure in the linked list */ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, - const string &Lang, - const MD5SumValue &md5sum, - map_ptrloc Next) + const string &Lang, + const MD5SumValue &md5sum, + map_ptrloc idxmd5str) { // Get a structure map_ptrloc const Description = AllocateInMap(sizeof(pkgCache::Description)); @@ -594,84 +832,23 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, // Fill it in Desc = pkgCache::DescIterator(Cache,Cache.DescP + Description); - Desc->NextDesc = Next; Desc->ID = Cache.HeaderP->DescriptionCount++; - map_ptrloc const idxlanguage_code = WriteStringInMap(Lang); - map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value()); - if (unlikely(idxlanguage_code == 0 || idxmd5sum == 0)) + map_ptrloc const idxlanguage_code = WriteUniqString(Lang); + if (unlikely(idxlanguage_code == 0)) return 0; Desc->language_code = idxlanguage_code; - Desc->md5sum = idxmd5sum; - 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) + if (idxmd5str != 0) + Desc->md5sum = idxmd5str; + else { - // 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++) - { - char const * const Arch = 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); - 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); - } - } - } - } - } + map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value()); + if (unlikely(idxmd5sum == 0)) + return 0; + Desc->md5sum = idxmd5sum; } - return true; + + return Description; } /*}}}*/ // CacheGenerator::NewDepends - Create a dependency element /*{{{*/ @@ -683,7 +860,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, string const &Version, unsigned int const &Op, unsigned int const &Type, - map_ptrloc *OldDepLast) + map_ptrloc* &OldDepLast) { void const * const oldMap = Map.Data(); // Get a structure @@ -722,7 +899,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, if (OldDepLast == NULL) { OldDepLast = &Ver->DependsList; - for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D) OldDepLast = &D->NextDepends; } else if (oldMap != Map.Data()) OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; @@ -752,6 +929,9 @@ 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)) @@ -783,7 +963,7 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver, // We do not add self referencing provides if (Ver.ParentPkg().Name() == PkgName && (PkgArch == Ver.ParentPkg().Arch() || - (PkgArch == "all" && _config->Find("APT::Architecture") == Ver.ParentPkg().Arch()))) + (PkgArch == "all" && strcmp((Cache.StrP + Cache.HeaderP->Architecture), Ver.ParentPkg().Arch()) == 0))) return true; // Get a structure @@ -798,8 +978,12 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver, Prv->Version = Ver.Index(); Prv->NextPkgProv = Ver->ProvidesList; Ver->ProvidesList = Prv.Index(); - if (Version.empty() == false && unlikely((Prv->ProvideVersion = WriteString(Version)) == 0)) - return false; + if (Version.empty() == false) { + map_ptrloc const idxProvideVersion = WriteString(Version); + Prv->ProvideVersion = idxProvideVersion; + if (unlikely(idxProvideVersion == 0)) + return false; + } // Locate the target package pkgCache::PkgIterator Pkg; @@ -914,8 +1098,11 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S, /* This just verifies that each file in the list of index files exists, has matching attributes with the cache and the cache does not have any extra files. */ -static bool CheckValidity(const string &CacheFile, FileIterator Start, - FileIterator End,MMap **OutMap = 0) +static bool CheckValidity(const string &CacheFile, + pkgSourceList &List, + FileIterator Start, + FileIterator End, + MMap **OutMap = 0) { bool const Debug = _config->FindB("Debug::pkgCacheGen", false); // No file, certainly invalid @@ -926,6 +1113,13 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start, return false; } + if (List.GetLastModifiedTime() > GetModificationTime(CacheFile)) + { + if (Debug == true) + std::clog << "sources.list is newer than the cache" << std::endl; + return false; + } + // Map it FileFd CacheF(CacheFile,FileFd::ReadOnly); SPtr Map = new MMap(CacheF,0); @@ -942,7 +1136,7 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start, verify the IMS data and check that it is on the disk too.. */ SPtrArray Visited = new bool[Cache.HeaderP->PackageFileCount]; memset(Visited,0,sizeof(*Visited)*Cache.HeaderP->PackageFileCount); - for (; Start != End; Start++) + for (; Start != End; ++Start) { if (Debug == true) std::clog << "Checking PkgFile " << (*Start)->Describe() << ": "; @@ -1009,7 +1203,7 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start, static unsigned long ComputeSize(FileIterator Start,FileIterator End) { unsigned long TotalSize = 0; - for (; Start != End; Start++) + for (; Start != End; ++Start) { if ((*Start)->HasPackages() == false) continue; @@ -1027,7 +1221,7 @@ static bool BuildCache(pkgCacheGenerator &Gen, FileIterator Start, FileIterator End) { FileIterator I; - for (I = Start; I != End; I++) + for (I = Start; I != End; ++I) { if ((*I)->HasPackages() == false) continue; @@ -1057,7 +1251,7 @@ static bool BuildCache(pkgCacheGenerator &Gen, Progress->Done(); TotalSize = ComputeSize(Start, End); CurrentSize = 0; - for (I = Start; I != End; I++) + for (I = Start; I != End; ++I) { unsigned long Size = (*I)->Size(); if (Progress != NULL) @@ -1100,16 +1294,16 @@ 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++) + ++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++) + ++j) Files.push_back (*j); } @@ -1151,7 +1345,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress Progress->OverallProgress(0,1,1,_("Reading package lists")); // Cache is OK, Fin. - if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true) + if (CheckValidity(CacheFile, List, Files.begin(),Files.end(),OutMap) == true) { if (Progress != NULL) Progress->OverallProgress(1,1,1,_("Reading package lists")); @@ -1168,16 +1362,33 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress SPtr Map; if (Writeable == true && CacheFile.empty() == false) { + _error->PushToStack(); unlink(CacheFile.c_str()); CacheF = new FileFd(CacheFile,FileFd::WriteAtomic); fchmod(CacheF->Fd(),0644); Map = CreateDynamicMMap(CacheF, MMap::Public); if (_error->PendingError() == true) - return false; - if (Debug == true) - std::clog << "Open filebased MMap" << std::endl; + { + delete CacheF.UnGuard(); + delete Map.UnGuard(); + if (Debug == true) + std::clog << "Open filebased MMap FAILED" << std::endl; + Writeable = false; + if (AllowMem == false) + { + _error->MergeWithStack(); + return false; + } + _error->RevertToStack(); + } + else + { + _error->MergeWithStack(); + if (Debug == true) + std::clog << "Open filebased MMap" << std::endl; + } } - else + if (Writeable == false || CacheFile.empty() == true) { // Just build it in memory.. Map = CreateDynamicMMap(NULL); @@ -1188,7 +1399,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress // Lets try the source cache. unsigned long CurrentSize = 0; unsigned long TotalSize = 0; - if (CheckValidity(SrcCacheFile,Files.begin(), + if (CheckValidity(SrcCacheFile, List, Files.begin(), Files.begin()+EndOfSource) == true) { if (Debug == true) @@ -1210,9 +1421,6 @@ 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 { @@ -1255,9 +1463,6 @@ 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; @@ -1287,7 +1492,7 @@ __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; @@ -1308,9 +1513,6 @@ 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(); @@ -1318,3 +1520,22 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O return true; } /*}}}*/ +// IsDuplicateDescription /*{{{*/ +static bool IsDuplicateDescription(pkgCache::DescIterator Desc, + MD5SumValue const &CurMd5, std::string const &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; +} + /*}}}*/