X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/8ba17539a3ec33abc283ca382cca6e59876a0f07..35ea8b154b105727cf0a0f0238d51b82a0d7c045:/cmdline/apt-cache.cc diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index bda09a5a1..a03224986 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -15,68 +15,59 @@ // Include Files /*{{{*/ #include -#include +#include #include #include -#include -#include -#include #include -#include +#include #include +#include +#include +#include #include -#include -#include +#include #include -#include -#include +#include +#include #include -#include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include -#include -#include -#include -#include -#include #include +#include #include -#include +#include +#include #include +#include +#include +#include +#include +#include +#include +#include +#include #include /*}}}*/ using namespace std; -// CacheSetHelper saving virtual packages /*{{{*/ -class CacheSetHelperVirtuals: public APT::CacheSetHelper { -public: - APT::PackageSet virtualPkgs; - - virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg); - } - - virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - return CacheSetHelper::canNotFindNewestVer(Cache, Pkg); - } - - virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg); - } - - CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {} -}; - /*}}}*/ // LocalitySort - Sort a version list by package file locality /*{{{*/ // --------------------------------------------------------------------- /* */ -int LocalityCompare(const void *a, const void *b) +static int LocalityCompare(const void *a, const void *b) { pkgCache::VerFile *A = *(pkgCache::VerFile **)a; pkgCache::VerFile *B = *(pkgCache::VerFile **)b; @@ -93,13 +84,13 @@ int LocalityCompare(const void *a, const void *b) return A->File - B->File; } -void LocalitySort(pkgCache::VerFile **begin, +static void LocalitySort(pkgCache::VerFile **begin, unsigned long Count,size_t Size) { qsort(begin,Count,Size,LocalityCompare); } -void LocalitySort(pkgCache::DescFile **begin, +static void LocalitySort(pkgCache::DescFile **begin, unsigned long Count,size_t Size) { qsort(begin,Count,Size,LocalityCompare); @@ -108,7 +99,7 @@ void LocalitySort(pkgCache::DescFile **begin, // UnMet - Show unmet dependencies /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) +static bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) { bool Header = false; for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;) @@ -125,7 +116,7 @@ bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) continue; // Skip conflicts and replaces - if (End.IsNegative() == true) + if (End.IsNegative() == true || End->Type == pkgCache::Dep::Replaces) continue; // Verify the or group @@ -142,7 +133,7 @@ bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) break; } delete [] VList; - + if (Start == End) break; ++Start; @@ -181,7 +172,7 @@ bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) } return true; } -bool UnMet(CommandLine &CmdL) +static bool UnMet(CommandLine &CmdL) { bool const Important = _config->FindB("APT::Cache::Important",false); @@ -200,7 +191,7 @@ bool UnMet(CommandLine &CmdL) { CacheSetHelperVirtuals helper(true, GlobalError::NOTICE); APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, - APT::VersionList::CANDIDATE, helper); + APT::CacheSetHelper::CANDIDATE, helper); for (APT::VersionList::iterator V = verset.begin(); V != verset.end(); ++V) if (ShowUnMet(V, Important) == false) return false; @@ -211,7 +202,7 @@ bool UnMet(CommandLine &CmdL) // DumpPackage - Show a dump of a package record /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DumpPackage(CommandLine &CmdL) +static bool DumpPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; APT::CacheSetHelper helper(true, GlobalError::NOTICE); @@ -262,24 +253,72 @@ bool DumpPackage(CommandLine &CmdL) { cout << Cur.VerStr() << " - "; for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; ++Prv) - cout << Prv.ParentPkg().FullName(true) << " "; + cout << Prv.ParentPkg().FullName(true) << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ") "; cout << endl; } cout << "Reverse Provides: " << endl; for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; ++Prv) - cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr() << endl; + cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr() << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ")"<< endl; } return true; } /*}}}*/ +// ShowHashTableStats - Show stats about a hashtable /*{{{*/ +// --------------------------------------------------------------------- +/* */ +static map_pointer_t PackageNext(pkgCache::Package const * const P) { return P->NextPackage; } +static map_pointer_t GroupNext(pkgCache::Group const * const G) { return G->Next; } +template +static void ShowHashTableStats(std::string Type, + T *StartP, + map_pointer_t *Hashtable, + unsigned long Size, + map_pointer_t(*Next)(T const * const)) +{ + // hashtable stats for the HashTable + unsigned long NumBuckets = Size; + unsigned long UsedBuckets = 0; + unsigned long UnusedBuckets = 0; + unsigned long LongestBucket = 0; + unsigned long ShortestBucket = NumBuckets; + unsigned long Entries = 0; + for (unsigned int i=0; i < NumBuckets; ++i) + { + T *P = StartP + Hashtable[i]; + if(P == 0 || P == StartP) + { + ++UnusedBuckets; + continue; + } + ++UsedBuckets; + unsigned long ThisBucketSize = 0; + for (; P != StartP; P = StartP + Next(P)) + ++ThisBucketSize; + Entries += ThisBucketSize; + LongestBucket = std::max(ThisBucketSize, LongestBucket); + ShortestBucket = std::min(ThisBucketSize, ShortestBucket); + } + cout << "Total buckets in " << Type << ": " << NumBuckets << std::endl; + cout << " Unused: " << UnusedBuckets << std::endl; + cout << " Used: " << UsedBuckets << std::endl; + cout << " Average entries: " << Entries/(double)NumBuckets << std::endl; + cout << " Longest: " << LongestBucket << std::endl; + cout << " Shortest: " << ShortestBucket << std::endl; +} + /*}}}*/ // Stats - Dump some nice statistics /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Stats(CommandLine &Cmd) +static bool Stats(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); + + if (CmdL.FileSize() > 1) { + _error->Error(_("apt-cache stats does not take any arguments")); + return false; + } if (unlikely(Cache == NULL)) return false; @@ -330,108 +369,153 @@ bool Stats(CommandLine &Cmd) cout << _(" Single virtual packages: ") << DVirt << endl; cout << _(" Mixed virtual packages: ") << NVirt << endl; cout << _(" Missing: ") << Missing << endl; - + cout << _("Total distinct versions: ") << Cache->Head().VersionCount << " (" << SizeToStr(Cache->Head().VersionCount*Cache->Head().VersionSz) << ')' << endl; cout << _("Total distinct descriptions: ") << Cache->Head().DescriptionCount << " (" << SizeToStr(Cache->Head().DescriptionCount*Cache->Head().DescriptionSz) << ')' << endl; - cout << _("Total dependencies: ") << Cache->Head().DependsCount << " (" << - SizeToStr(Cache->Head().DependsCount*Cache->Head().DependencySz) << ')' << endl; - + cout << _("Total dependencies: ") << Cache->Head().DependsCount << "/" << Cache->Head().DependsDataCount << " (" << + SizeToStr((Cache->Head().DependsCount*Cache->Head().DependencySz) + + (Cache->Head().DependsDataCount*Cache->Head().DependencyDataSz)) << ')' << endl; cout << _("Total ver/file relations: ") << Cache->Head().VerFileCount << " (" << SizeToStr(Cache->Head().VerFileCount*Cache->Head().VerFileSz) << ')' << endl; cout << _("Total Desc/File relations: ") << Cache->Head().DescFileCount << " (" << SizeToStr(Cache->Head().DescFileCount*Cache->Head().DescFileSz) << ')' << endl; cout << _("Total Provides mappings: ") << Cache->Head().ProvidesCount << " (" << SizeToStr(Cache->Head().ProvidesCount*Cache->Head().ProvidesSz) << ')' << endl; - - // String list stats - unsigned long Size = 0; - unsigned long Count = 0; - for (pkgCache::StringItem *I = Cache->StringItemP + Cache->Head().StringList; - I!= Cache->StringItemP; I = Cache->StringItemP + I->NextItem) - { - Count++; - Size += strlen(Cache->StrP + I->String) + 1; - } - cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl; - unsigned long DepVerSize = 0; + // String list stats + std::set stritems; + for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G) + stritems.insert(G->Name); for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) { + stritems.insert(P->Arch); for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V) { + if (V->VerStr != 0) + stritems.insert(V->VerStr); + if (V->Section != 0) + stritems.insert(V->Section); + stritems.insert(V->SourcePkgName); + stritems.insert(V->SourceVerStr); for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D) { if (D->Version != 0) - DepVerSize += strlen(D.TargetVer()) + 1; + stritems.insert(D->Version); + } + for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D) + { + stritems.insert(D->md5sum); + stritems.insert(D->language_code); } } + for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() == false; ++Prv) + { + if (Prv->ProvideVersion != 0) + stritems.insert(Prv->ProvideVersion); + } } - cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl; - + for (pkgCache::RlsFileIterator F = Cache->RlsFileBegin(); F != Cache->RlsFileEnd(); ++F) + { + stritems.insert(F->FileName); + stritems.insert(F->Archive); + stritems.insert(F->Codename); + stritems.insert(F->Version); + stritems.insert(F->Origin); + stritems.insert(F->Label); + stritems.insert(F->Site); + } + for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F) + { + stritems.insert(F->FileName); + stritems.insert(F->Architecture); + stritems.insert(F->Component); + stritems.insert(F->IndexType); + } + + unsigned long Size = 0; + for (std::set::const_iterator i = stritems.begin(); i != stritems.end(); ++i) + Size += strlen(Cache->StrP + *i) + 1; + cout << _("Total globbed strings: ") << stritems.size() << " (" << SizeToStr(Size) << ')' << endl; + stritems.clear(); + unsigned long Slack = 0; for (int I = 0; I != 7; I++) Slack += Cache->Head().Pools[I].ItemSize*Cache->Head().Pools[I].Count; cout << _("Total slack space: ") << SizeToStr(Slack) << endl; - + unsigned long Total = 0; - Total = Slack + Size + Cache->Head().DependsCount*Cache->Head().DependencySz + - Cache->Head().VersionCount*Cache->Head().VersionSz + - Cache->Head().PackageCount*Cache->Head().PackageSz + - Cache->Head().VerFileCount*Cache->Head().VerFileSz + - Cache->Head().ProvidesCount*Cache->Head().ProvidesSz; +#define APT_CACHESIZE(X,Y) (Cache->Head().X * Cache->Head().Y) + Total = Slack + Size + + APT_CACHESIZE(GroupCount, GroupSz) + + APT_CACHESIZE(PackageCount, PackageSz) + + APT_CACHESIZE(VersionCount, VersionSz) + + APT_CACHESIZE(DescriptionCount, DescriptionSz) + + APT_CACHESIZE(DependsCount, DependencySz) + + APT_CACHESIZE(DependsDataCount, DependencyDataSz) + + APT_CACHESIZE(ReleaseFileCount, ReleaseFileSz) + + APT_CACHESIZE(PackageFileCount, PackageFileSz) + + APT_CACHESIZE(VerFileCount, VerFileSz) + + APT_CACHESIZE(DescFileCount, DescFileSz) + + APT_CACHESIZE(ProvidesCount, ProvidesSz) + + (2 * Cache->Head().GetHashTableSize() * sizeof(map_id_t)); cout << _("Total space accounted for: ") << SizeToStr(Total) << endl; - +#undef APT_CACHESIZE + + // hashtable stats + ShowHashTableStats("PkgHashTable", Cache->PkgP, Cache->Head().PkgHashTableP(), Cache->Head().GetHashTableSize(), PackageNext); + ShowHashTableStats("GrpHashTable", Cache->GrpP, Cache->Head().GrpHashTableP(), Cache->Head().GetHashTableSize(), GroupNext); + return true; } /*}}}*/ // Dump - show everything /*{{{*/ // --------------------------------------------------------------------- /* This is worthless except fer debugging things */ -bool Dump(CommandLine &Cmd) +static bool Dump(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) return false; - cout << "Using Versioning System: " << Cache->VS->Label << endl; + std::cout << "Using Versioning System: " << Cache->VS->Label << std::endl; for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) { - cout << "Package: " << P.FullName(true) << endl; + std::cout << "Package: " << P.FullName(true) << std::endl; for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V) { - cout << " Version: " << V.VerStr() << endl; - cout << " File: " << V.FileList().File().FileName() << endl; + std::cout << " Version: " << V.VerStr() << std::endl; + std::cout << " File: " << V.FileList().File().FileName() << std::endl; for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D) - cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' << - DeNull(D.TargetVer()) << endl; + std::cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' << + DeNull(D.TargetVer()) << std::endl; for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D) { - cout << " Description Language: " << D.LanguageCode() << endl - << " File: " << D.FileList().File().FileName() << endl - << " MD5: " << D.md5() << endl; + std::cout << " Description Language: " << D.LanguageCode() << std::endl + << " File: " << D.FileList().File().FileName() << std::endl + << " MD5: " << D.md5() << std::endl; } } } for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F) { - cout << "File: " << F.FileName() << endl; - cout << " Type: " << F.IndexType() << endl; - cout << " Size: " << F->Size << endl; - cout << " ID: " << F->ID << endl; - cout << " Flags: " << F->Flags << endl; - cout << " Time: " << TimeRFC1123(F->mtime) << endl; - cout << " Archive: " << DeNull(F.Archive()) << endl; - cout << " Component: " << DeNull(F.Component()) << endl; - cout << " Version: " << DeNull(F.Version()) << endl; - cout << " Origin: " << DeNull(F.Origin()) << endl; - cout << " Site: " << DeNull(F.Site()) << endl; - cout << " Label: " << DeNull(F.Label()) << endl; - cout << " Architecture: " << DeNull(F.Architecture()) << endl; + std::cout << "File: " << F.FileName() << std::endl; + std::cout << " Type: " << F.IndexType() << std::endl; + std::cout << " Size: " << F->Size << std::endl; + std::cout << " ID: " << F->ID << std::endl; + std::cout << " Flags: " << F->Flags << std::endl; + std::cout << " Time: " << TimeRFC1123(F->mtime) << std::endl; + std::cout << " Archive: " << DeNull(F.Archive()) << std::endl; + std::cout << " Component: " << DeNull(F.Component()) << std::endl; + std::cout << " Version: " << DeNull(F.Version()) << std::endl; + std::cout << " Origin: " << DeNull(F.Origin()) << std::endl; + std::cout << " Site: " << DeNull(F.Site()) << std::endl; + std::cout << " Label: " << DeNull(F.Label()) << std::endl; + std::cout << " Architecture: " << DeNull(F.Architecture()) << std::endl; } return true; @@ -441,7 +525,7 @@ bool Dump(CommandLine &Cmd) // --------------------------------------------------------------------- /* This is needed to make dpkg --merge happy.. I spent a bit of time to make this run really fast, perhaps I went a little overboard.. */ -bool DumpAvail(CommandLine &Cmd) +static bool DumpAvail(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -505,6 +589,12 @@ bool DumpAvail(CommandLine &Cmd) LocalitySort(VFList,Count,sizeof(*VFList)); + std::vector RW; + RW.push_back(pkgTagSection::Tag::Remove("Status")); + RW.push_back(pkgTagSection::Tag::Remove("Config-Version")); + FileFd stdoutfd; + stdoutfd.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, false); + // Iterate over all the package files and write them out. char *Buffer = new char[Cache->HeaderP->MaxVerFileSize+10]; for (pkgCache::VerFile **J = VFList; *J != 0;) @@ -516,7 +606,7 @@ bool DumpAvail(CommandLine &Cmd) break; } - FileFd PkgF(File.FileName(),FileFd::ReadOnly); + FileFd PkgF(File.FileName(),FileFd::ReadOnly, FileFd::Extension); if (_error->PendingError() == true) break; @@ -545,42 +635,39 @@ bool DumpAvail(CommandLine &Cmd) if (PkgF.Read(Buffer,VF.Size + Jitter) == false) break; Buffer[VF.Size + Jitter] = '\n'; - + // See above.. if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) { pkgTagSection Tags; - TFRewriteData RW[] = {{"Status",0},{"Config-Version",0},{}}; - const char *Zero = 0; if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false || - TFRewrite(stdout,Tags,&Zero,RW) == false) + Tags.Write(stdoutfd, NULL, RW) == false || + stdoutfd.Write("\n", 1) == false) { _error->Error("Internal Error, Unable to parse a package record"); break; } - fputc('\n',stdout); } else { - if (fwrite(Buffer+Jitter,VF.Size+1,1,stdout) != 1) + if (stdoutfd.Write(Buffer + Jitter, VF.Size + 1) == false) break; } - + Pos = VF.Offset + VF.Size; } - fflush(stdout); if (_error->PendingError() == true) break; } - + delete [] Buffer; delete [] VFList; return !_error->PendingError(); } /*}}}*/ // ShowDepends - Helper for printing out a dependency tree /*{{{*/ -bool ShowDepends(CommandLine &CmdL, bool const RevDepends) +static bool ShowDepends(CommandLine &CmdL, bool const RevDepends) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -588,7 +675,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) return false; CacheSetHelperVirtuals helper(false); - APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::VersionList::CANDIDATE, helper); + APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper); if (verset.empty() == true && helper.virtualPkgs.empty() == true) return _error->Error(_("No packages found")); std::vector Shown(Cache->Head().PackageCount); @@ -607,6 +694,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) bool const ShowBreaks = _config->FindB("APT::Cache::ShowBreaks", Important == false); bool const ShowEnhances = _config->FindB("APT::Cache::ShowEnhances", Important == false); bool const ShowOnlyFirstOr = _config->FindB("APT::Cache::ShowOnlyFirstOr", false); + bool const ShowImplicit = _config->FindB("APT::Cache::ShowImplicit", false); while (verset.empty() != true) { @@ -632,8 +720,11 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break; case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break; } + if (ShowImplicit == false && D.IsImplicit()) + continue; pkgCache::PkgIterator Trg = RevDepends ? D.ParentPkg() : D.TargetPkg(); + bool const showNoArch = RevDepends || (D->CompareOp & pkgCache::Dep::ArchSpecific) != pkgCache::Dep::ArchSpecific; if((Installed && Trg->CurrentVer != 0) || !Installed) { @@ -647,9 +738,9 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) if (ShowDepType == true) cout << D.DepType() << ": "; if (Trg->VersionList == 0) - cout << "<" << Trg.FullName(true) << ">"; + cout << "<" << Trg.FullName(showNoArch) << ">"; else - cout << Trg.FullName(true); + cout << Trg.FullName(showNoArch); if (ShowVersion == true && D->Version != 0) cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')'; cout << std::endl; @@ -657,15 +748,15 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) if (Recurse == true && Shown[Trg->ID] == false) { Shown[Trg->ID] = true; - verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::VersionSet::CANDIDATE, helper)); + verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::CacheSetHelper::CANDIDATE, helper)); } } // Display all solutions - SPtrArray List = D.AllTargets(); - pkgPrioSortList(*Cache,List); - for (pkgCache::Version **I = List; *I != 0; I++) + std::unique_ptr List(D.AllTargets()); + pkgPrioSortList(*Cache,List.get()); + for (pkgCache::Version **I = List.get(); *I != 0; I++) { pkgCache::VerIterator V(*Cache,*I); if (V != Cache->VerP + V.ParentPkg()->VersionList || @@ -676,7 +767,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) if (Recurse == true && Shown[V.ParentPkg()->ID] == false) { Shown[V.ParentPkg()->ID] = true; - verset.insert(APT::VersionSet::FromPackage(CacheFile, V.ParentPkg(), APT::VersionSet::CANDIDATE, helper)); + verset.insert(APT::VersionSet::FromPackage(CacheFile, V.ParentPkg(), APT::CacheSetHelper::CANDIDATE, helper)); } } @@ -695,7 +786,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) // Depends - Print out a dependency tree /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Depends(CommandLine &CmdL) +static bool Depends(CommandLine &CmdL) { return ShowDepends(CmdL, false); } @@ -703,7 +794,7 @@ bool Depends(CommandLine &CmdL) // RDepends - Print out a reverse dependency tree /*{{{*/ // --------------------------------------------------------------------- /* */ -bool RDepends(CommandLine &CmdL) +static bool RDepends(CommandLine &CmdL) { return ShowDepends(CmdL, true); } @@ -712,7 +803,7 @@ bool RDepends(CommandLine &CmdL) // --------------------------------------------------------------------- // Code contributed from Junichi Uekawa on 20 June 2002. -bool XVcg(CommandLine &CmdL) +static bool XVcg(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -771,9 +862,9 @@ bool XVcg(CommandLine &CmdL) // Load the list of packages from the command line into the show list APT::CacheSetHelper helper(true, GlobalError::NOTICE); - std::list mods; - mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX)); - mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX)); + std::list mods; + mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX)); + mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX)); std::map pkgsets = APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper); @@ -924,7 +1015,7 @@ bool XVcg(CommandLine &CmdL) /* Dotty is the graphvis program for generating graphs. It is a fairly simple queuing algorithm that just writes dependencies and nodes. http://www.research.att.com/sw/tools/graphviz/ */ -bool Dotty(CommandLine &CmdL) +static bool Dotty(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -983,9 +1074,9 @@ bool Dotty(CommandLine &CmdL) // Load the list of packages from the command line into the show list APT::CacheSetHelper helper(true, GlobalError::NOTICE); - std::list mods; - mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX)); - mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX)); + std::list mods; + mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX)); + mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX)); std::map pkgsets = APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper); @@ -1127,7 +1218,25 @@ bool Dotty(CommandLine &CmdL) // --------------------------------------------------------------------- /* This displays the package record from the proper package index file. It is not used by DumpAvail for performance reasons. */ -bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) + +static APT_PURE unsigned char const* skipDescriptionFields(unsigned char const * DescP) +{ + char const * const TagName = "\nDescription"; + size_t const TagLen = strlen(TagName); + while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL) + { + if (DescP[1] == ' ') + DescP += 2; + else if (strncmp((char*)DescP, TagName, TagLen) == 0) + DescP += TagLen; + else + break; + } + if (DescP != NULL) + ++DescP; + return DescP; +} +static bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) { pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) @@ -1150,21 +1259,27 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) if (PkgF.Open(I.FileName(), FileFd::ReadOnly, FileFd::Extension) == false) return false; - // Read the record - unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+1]; - Buffer[V.FileList()->Size] = '\n'; - if (PkgF.Seek(V.FileList()->Offset) == false || - PkgF.Read(Buffer,V.FileList()->Size) == false) + // Read the record (and ensure that it ends with a newline and NUL) + unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+2]; + Buffer[Vf->Size] = '\n'; + Buffer[Vf->Size+1] = '\0'; + if (PkgF.Seek(Vf->Offset) == false || + PkgF.Read(Buffer,Vf->Size) == false) { delete [] Buffer; return false; } // Get a pointer to start of Description field - const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:"); + const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "\nDescription"); + if (DescP != NULL) + ++DescP; + else + DescP = Buffer + Vf->Size; // Write all but Description - if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer)) + size_t const length = DescP - Buffer; + if (length != 0 && FileFd::Write(STDOUT_FILENO, Buffer, length) == false) { delete [] Buffer; return false; @@ -1173,43 +1288,57 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) // Show the right description pkgRecords Recs(*Cache); pkgCache::DescIterator Desc = V.TranslatedDescription(); - pkgRecords::Parser &P = Recs.Lookup(Desc.FileList()); - cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc(); + if (Desc.end() == false) + { + pkgRecords::Parser &P = Recs.Lookup(Desc.FileList()); + cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc(); + cout << std::endl << "Description-md5: " << Desc.md5() << std::endl; + + // Find the first field after the description (if there is any) + DescP = skipDescriptionFields(DescP); + } + // else we have no translation, so we found a lonely Description-md5 -> don't skip it - // Find the first field after the description (if there is any) - for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++) + // write the rest of the buffer, but skip mixed in Descriptions* fields + while (DescP != NULL) { - if(*DescP == '\n' && *(DescP+1) != ' ') + const unsigned char * const Start = DescP; + const unsigned char *End = (unsigned char*)strstr((char*)DescP, "\nDescription"); + if (End == NULL) { - // write the rest of the buffer - const unsigned char *end=&Buffer[V.FileList()->Size]; - if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP)) - { - delete [] Buffer; - return false; - } - - break; + End = &Buffer[Vf->Size]; + DescP = NULL; + } + else + { + ++End; // get the newline into the output + DescP = skipDescriptionFields(End + strlen("Description")); + } + size_t const length = End - Start; + if (length != 0 && FileFd::Write(STDOUT_FILENO, Start, length) == false) + { + delete [] Buffer; + return false; } } - // write a final newline (after the description) + + // write a final newline after the last field cout<FindB("APT::Cache::ShowFull",false); bool const NamesOnly = _config->FindB("APT::Cache::NamesOnly",false); @@ -1250,8 +1379,8 @@ bool Search(CommandLine &CmdL) ExDescFile *DFList = new ExDescFile[descCount]; memset(DFList,0,sizeof(*DFList) * descCount); - bool PatternMatch[descCount * NumPatterns]; - memset(PatternMatch,false,sizeof(PatternMatch)); + bool *PatternMatch = new bool[descCount * NumPatterns]; + memset(PatternMatch,false,sizeof(*PatternMatch) * descCount * NumPatterns); // Map versions that we want to write out onto the VerList array. for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G) @@ -1283,7 +1412,11 @@ bool Search(CommandLine &CmdL) pkgCache::VerIterator V = Plcy->GetCandidateVer(P); if (V.end() == false) { - DFList[G->ID].Df = V.TranslatedDescription().FileList(); + pkgCache::DescIterator const D = V.TranslatedDescription(); + //FIXME: packages without a description can't be found + if (D.end() == true) + continue; + DFList[G->ID].Df = D.FileList(); DFList[G->ID].ID = G->ID; } @@ -1298,7 +1431,11 @@ bool Search(CommandLine &CmdL) continue; unsigned long id = Prv.OwnerPkg().Group()->ID; - DFList[id].Df = V.TranslatedDescription().FileList(); + pkgCache::DescIterator const D = V.TranslatedDescription(); + //FIXME: packages without a description can't be found + if (D.end() == true) + continue; + DFList[id].Df = D.FileList(); DFList[id].ID = id; size_t const PrvPatternOffset = id * NumPatterns; @@ -1353,15 +1490,17 @@ bool Search(CommandLine &CmdL) } delete [] DFList; + delete [] PatternMatch; for (unsigned I = 0; I != NumPatterns; I++) regfree(&Patterns[I]); + delete [] Patterns; if (ferror(stdout)) return _error->Error("Write to stdout failed"); return true; } /*}}}*/ /* ShowAuto - show automatically installed packages (sorted) {{{*/ -bool ShowAuto(CommandLine &CmdL) +static bool ShowAuto(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -1388,12 +1527,12 @@ bool ShowAuto(CommandLine &CmdL) // ShowPackage - Dump the package record to the screen /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowPackage(CommandLine &CmdL) +static bool ShowPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; CacheSetHelperVirtuals helper(true, GlobalError::NOTICE); - APT::VersionList::Version const select = _config->FindB("APT::Cache::AllVersions", true) ? - APT::VersionList::ALL : APT::VersionList::CANDIDATE; + APT::CacheSetHelper::VerSelector const select = _config->FindB("APT::Cache::AllVersions", true) ? + APT::CacheSetHelper::ALL : APT::CacheSetHelper::CANDIDATE; APT::VersionList const verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, select, helper); for (APT::VersionList::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver) if (DisplayRecord(CacheFile, Ver) == false) @@ -1412,7 +1551,7 @@ bool ShowPackage(CommandLine &CmdL) // ShowPkgNames - Show package names /*{{{*/ // --------------------------------------------------------------------- /* This does a prefix match on the first argument */ -bool ShowPkgNames(CommandLine &CmdL) +static bool ShowPkgNames(CommandLine &CmdL) { pkgCacheFile CacheFile; if (unlikely(CacheFile.BuildCaches(NULL, false) == false)) @@ -1451,7 +1590,7 @@ bool ShowPkgNames(CommandLine &CmdL) // ShowSrcPackage - Show source package records /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowSrcPackage(CommandLine &CmdL) +static bool ShowSrcPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgSourceList *List = CacheFile.GetSourceList(); @@ -1488,7 +1627,7 @@ bool ShowSrcPackage(CommandLine &CmdL) // Policy - Show the results of the preferences file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Policy(CommandLine &CmdL) +static bool Policy(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -1509,6 +1648,8 @@ bool Policy(CommandLine &CmdL) cout << _("Package files:") << endl; for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F) { + if (F.Flagged(pkgCache::Flag::NoPackages)) + continue; // Locate the associated index files so we can derive a description pkgIndexFile *Indx; if (SrcList->FindIndex(F,Indx) == false && @@ -1531,19 +1672,33 @@ bool Policy(CommandLine &CmdL) pkgCache::PkgIterator I = Cache->PkgBegin(); for (;I.end() != true; ++I) { - if (Plcy->GetPriority(I) == 0) + // Old code for debugging + if (_config->FindI("APT::Policy", 1) < 1) { + if (Plcy->GetPriority(I) == 0) + continue; + + // Print the package name and the version we are forcing to + cout << " " << I.FullName(true) << " -> "; + + pkgCache::VerIterator V = Plcy->GetMatch(I); + if (V.end() == true) + cout << _("(not found)") << endl; + else + cout << V.VerStr() << endl; + continue; + } + // New code + for (pkgCache::VerIterator V = I.VersionList(); !V.end(); V++) { + auto Prio = Plcy->GetPriority(V, false); + if (Prio == 0) + continue; - // Print the package name and the version we are forcing to - cout << " " << I.FullName(true) << " -> "; - - pkgCache::VerIterator V = Plcy->GetMatch(I); - if (V.end() == true) - cout << _("(not found)") << endl; - else - cout << V.VerStr() << endl; - } - + cout << " "; + // Print the package name and the version we are forcing to + ioprintf(cout, _("%s -> %s with priority %d\n"), I.FullName(true).c_str(), V.VerStr(), Prio); + } + } return true; } @@ -1579,7 +1734,7 @@ bool Policy(CommandLine &CmdL) cout << V.VerStr() << endl; // Pinned version - if (Plcy->GetPriority(Pkg) != 0) + if (_config->FindI("APT::Policy", 1) < 1 && Plcy->GetPriority(Pkg) != 0) { cout << _(" Package pin: "); V = Plcy->GetMatch(Pkg); @@ -1597,7 +1752,10 @@ bool Policy(CommandLine &CmdL) cout << " *** " << V.VerStr(); else cout << " " << V.VerStr(); - cout << " " << Plcy->GetPriority(Pkg) << endl; + if (_config->FindI("APT::Policy", 1) < 1) + cout << " " << Plcy->GetPriority(Pkg) << endl; + else + cout << " " << Plcy->GetPriority(V) << endl; for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; ++VF) { // Locate the associated index files so we can derive a description @@ -1617,7 +1775,7 @@ bool Policy(CommandLine &CmdL) // Madison - Look a bit like katie's madison /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Madison(CommandLine &CmdL) +static bool Madison(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgSourceList *SrcList = CacheFile.GetSourceList(); @@ -1690,7 +1848,7 @@ bool Madison(CommandLine &CmdL) // GenCaches - Call the main cache generator /*{{{*/ // --------------------------------------------------------------------- /* */ -bool GenCaches(CommandLine &Cmd) +static bool GenCaches(CommandLine &) { OpTextProgress Progress(*_config); @@ -1701,11 +1859,10 @@ bool GenCaches(CommandLine &Cmd) // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowHelp(CommandLine &Cmd) +static bool ShowHelp(CommandLine &) { - ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION, - COMMON_ARCH,__DATE__,__TIME__); - + ioprintf(cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH); + if (_config->FindB("version") == true) return true; @@ -1748,38 +1905,10 @@ bool ShowHelp(CommandLine &Cmd) /*}}}*/ int main(int argc,const char *argv[]) /*{{{*/ { - CommandLine::Args Args[] = { - {'h',"help","help",0}, - {'v',"version","version",0}, - {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg}, - {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg}, - {'q',"quiet","quiet",CommandLine::IntLevel}, - {'i',"important","APT::Cache::Important",0}, - {'f',"full","APT::Cache::ShowFull",0}, - {'g',"generate","APT::Cache::Generate",0}, - {'a',"all-versions","APT::Cache::AllVersions",0}, - {'n',"names-only","APT::Cache::NamesOnly",0}, - {0,"all-names","APT::Cache::AllNames",0}, - {0,"recurse","APT::Cache::RecurseDepends",0}, - {'t',"target-release","APT::Default-Release",CommandLine::HasArg}, - {'t',"default-release","APT::Default-Release",CommandLine::HasArg}, - {'c',"config-file",0,CommandLine::ConfigFile}, - {'o',"option",0,CommandLine::ArbItem}, - {0,"installed","APT::Cache::Installed",0}, - {0,"pre-depends","APT::Cache::ShowPre-Depends",0}, - {0,"depends","APT::Cache::ShowDepends",0}, - {0,"recommends","APT::Cache::ShowRecommends",0}, - {0,"suggests","APT::Cache::ShowSuggests",0}, - {0,"replaces","APT::Cache::ShowReplaces",0}, - {0,"breaks","APT::Cache::ShowBreaks",0}, - {0,"conflicts","APT::Cache::ShowConflicts",0}, - {0,"enhances","APT::Cache::ShowEnhances",0}, - {0,0,0,0}}; - CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, + CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp}, {"gencaches",&GenCaches}, {"showsrc",&ShowSrcPackage}, - {0,0}}; - CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage}, + {"showpkg",&DumpPackage}, {"stats",&Stats}, {"dump",&Dump}, {"dumpavail",&DumpAvail}, @@ -1796,37 +1925,23 @@ int main(int argc,const char *argv[]) /*{{{*/ {"madison",&Madison}, {0,0}}; + std::vector Args = getCommandArgs("apt-cache", CommandLine::GetCommand(Cmds, argc, argv)); + // Set up gettext support setlocale(LC_ALL,""); textdomain(PACKAGE); // Parse the command line and initialize the package library - CommandLine CmdL(Args,_config); - if (pkgInitConfig(*_config) == false || - CmdL.Parse(argc,argv) == false || - pkgInitSystem(*_config,_system) == false) - { - _error->DumpErrors(); - return 100; - } + CommandLine CmdL; + ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp); - // See if the help should be shown - if (_config->FindB("help") == true || - CmdL.FileSize() == 0) - { - ShowHelp(CmdL); - return 0; - } - - // Deal with stdout not being a tty - if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1) - _config->Set("quiet","1"); + InitOutput(); if (_config->Exists("APT::Cache::Generate") == true) _config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true)); - if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false) - CmdL.DispatchArg(CmdsB); + // Match the operation + CmdL.DispatchArg(Cmds); // Print any errors or warnings found during parsing bool const Errors = _error->PendingError();