X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/cdb970c74216a19194380ad657f44332c4aae5a3..5c4d7f0764f99ebe6e65933b1bc08671dbab98e9:/cmdline/apt-cache.cc?ds=inline diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 502c29378..cb1aeb514 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -1,14 +1,12 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-cache.cc,v 1.25 1999/02/11 00:03:07 jgg Exp $ +// $Id: apt-cache.cc,v 1.72 2004/04/30 04:34:03 mdz Exp $ /* ###################################################################### apt-cache - Manages the cache files apt-cache provides some functions fo manipulating the cache files. - It uses the command line interface common to all the APT tools. The - only really usefull function right now is dumpavail which is used - by the dselect method. Everything else is ment as a debug aide. + It uses the command line interface common to all the APT tools. Returns 100 on failure, 0 on success. @@ -17,21 +15,69 @@ // 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 /*}}}*/ +using namespace std; + pkgCache *GCache = 0; +pkgSourceList *SrcList = 0; + +// LocalitySort - Sort a version list by package file locality /*{{{*/ +// --------------------------------------------------------------------- +/* */ +int LocalityCompare(const void *a, const void *b) +{ + pkgCache::VerFile *A = *(pkgCache::VerFile **)a; + pkgCache::VerFile *B = *(pkgCache::VerFile **)b; + + if (A == 0 && B == 0) + return 0; + if (A == 0) + return 1; + if (B == 0) + return -1; + + if (A->File == B->File) + return A->Offset - B->Offset; + return A->File - B->File; +} + +void LocalitySort(pkgCache::VerFile **begin, + unsigned long Count,size_t Size) +{ + qsort(begin,Count,Size,LocalityCompare); +} +void LocalitySort(pkgCache::DescFile **begin, + unsigned long Count,size_t Size) +{ + qsort(begin,Count,Size,LocalityCompare); +} + /*}}}*/ // UnMet - Show unmet dependencies /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -52,9 +98,6 @@ bool UnMet(CommandLine &CmdL) pkgCache::DepIterator End; D.GlobOr(Start,End); -/* cout << "s: Check " << Start.TargetPkg().Name() << ',' << - End.TargetPkg().Name() << endl;*/ - // Skip conflicts and replaces if (End->Type != pkgCache::Dep::PreDepends && End->Type != pkgCache::Dep::Depends && @@ -95,8 +138,8 @@ bool UnMet(CommandLine &CmdL) // Oops, it failed.. if (Header == false) - cout << "Package " << P.Name() << " version " << - V.VerStr() << " has an unmet dep:" << endl; + ioprintf(cout,_("Package %s version %s has an unmet dep:\n"), + P.Name(),V.VerStr()); Header = true; // Print out the dep type @@ -135,32 +178,45 @@ bool DumpPackage(CommandLine &CmdL) pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); if (Pkg.end() == true) { - _error->Warning("Unable to locate package %s",*I); + _error->Warning(_("Unable to locate package %s"),*I); continue; } cout << "Package: " << Pkg.Name() << endl; - cout << "Versions: "; + cout << "Versions: " << endl; for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) { cout << Cur.VerStr(); for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++) - cout << "(" << Vf.File().FileName() << ")"; - cout << ','; + cout << " (" << Vf.File().FileName() << ")"; + cout << endl; + for (pkgCache::DescIterator D = Cur.DescriptionList(); D.end() == false; D++) + { + cout << " Description Language: " << D.LanguageCode() << endl + << " File: " << D.FileList().File().FileName() << endl + << " MD5: " << D.md5() << endl; + } + cout << endl; } cout << endl; cout << "Reverse Depends: " << endl; for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++) - cout << " " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name() << endl; - + { + cout << " " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name(); + if (D->Version != 0) + cout << ' ' << DeNull(D.TargetVer()) << endl; + else + cout << endl; + } + cout << "Dependencies: " << endl; for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) { cout << Cur.VerStr() << " - "; for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++) - cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << Dep.TargetVer() << ") "; + cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << DeNull(Dep.TargetVer()) << ") "; cout << endl; } @@ -174,9 +230,7 @@ bool DumpPackage(CommandLine &CmdL) } cout << "Reverse Provides: " << endl; for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++) - cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr(); - cout << endl; - + cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr() << endl; } return true; @@ -188,15 +242,15 @@ bool DumpPackage(CommandLine &CmdL) bool Stats(CommandLine &Cmd) { pkgCache &Cache = *GCache; - cout << "Total Package Names : " << Cache.Head().PackageCount << " (" << + cout << _("Total package names : ") << Cache.Head().PackageCount << " (" << SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl; - pkgCache::PkgIterator I = Cache.PkgBegin(); - + int Normal = 0; int Virtual = 0; int NVirt = 0; int DVirt = 0; int Missing = 0; + pkgCache::PkgIterator I = Cache.PkgBegin(); for (;I.end() != true; I++) { if (I->VersionList != 0 && I->ProvidesList == 0) @@ -228,20 +282,24 @@ bool Stats(CommandLine &Cmd) continue; } } - cout << " Normal Packages: " << Normal << endl; - cout << " Pure Virtual Packages: " << Virtual << endl; - cout << " Single Virtual Packages: " << DVirt << endl; - cout << " Mixed Virtual Packages: " << NVirt << endl; - cout << " Missing: " << Missing << endl; + cout << _(" Normal packages: ") << Normal << endl; + cout << _(" Pure virtual packages: ") << Virtual << endl; + cout << _(" Single virtual packages: ") << DVirt << endl; + cout << _(" Mixed virtual packages: ") << NVirt << endl; + cout << _(" Missing: ") << Missing << endl; - cout << "Total Distinct Versions: " << Cache.Head().VersionCount << " (" << + cout << _("Total distinct versions: ") << Cache.Head().VersionCount << " (" << SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl; - cout << "Total Dependencies: " << Cache.Head().DependsCount << " (" << + 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 Ver/File relations: " << Cache.Head().VerFileCount << " (" << + cout << _("Total ver/file relations: ") << Cache.Head().VerFileCount << " (" << SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl; - cout << "Total Provides Mappings: " << Cache.Head().ProvidesCount << " (" << + 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 @@ -251,14 +309,28 @@ bool Stats(CommandLine &Cmd) I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem) { Count++; - Size += strlen(Cache.StrP + I->String); + Size += strlen(Cache.StrP + I->String) + 1; } - cout << "Total Globbed Strings: " << Count << " (" << SizeToStr(Size) << ')' << endl; - + cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl; + + unsigned long DepVerSize = 0; + for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) + { + for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) + { + for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++) + { + if (D->Version != 0) + DepVerSize += strlen(D.TargetVer()) + 1; + } + } + } + cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl; + 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; + cout << _("Total slack space: ") << SizeToStr(Slack) << endl; unsigned long Total = 0; Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz + @@ -266,39 +338,19 @@ bool Stats(CommandLine &Cmd) Cache.Head().PackageCount*Cache.Head().PackageSz + Cache.Head().VerFileCount*Cache.Head().VerFileSz + Cache.Head().ProvidesCount*Cache.Head().ProvidesSz; - cout << "Total Space Accounted for: " << SizeToStr(Total) << endl; + cout << _("Total space accounted for: ") << SizeToStr(Total) << endl; - return true; -} - /*}}}*/ -// Check - Check some things about the cache /*{{{*/ -// --------------------------------------------------------------------- -/* Debug aide mostly */ -bool Check(CommandLine &Cmd) -{ - pkgCache &Cache = *GCache; - pkgCache::PkgIterator Pkg = Cache.PkgBegin(); - for (;Pkg.end() != true; Pkg++) - { - if (Pkg.Section() == 0 && Pkg->VersionList != 0) - cout << "Bad section " << Pkg.Name() << endl; - - for (pkgCache::VerIterator Cur = Pkg.VersionList(); - Cur.end() != true; Cur++) - { - if (Cur->Priority < 1 || Cur->Priority > 5) - cout << "Bad prio " << Pkg.Name() << ',' << Cur.VerStr() << " == " << (int)Cur->Priority << endl; - } - } return true; } /*}}}*/ // Dump - show everything /*{{{*/ // --------------------------------------------------------------------- -/* */ +/* This is worthless except fer debugging things */ bool Dump(CommandLine &Cmd) { pkgCache &Cache = *GCache; + cout << "Using Versioning System: " << Cache.VS->Label << endl; + for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) { cout << "Package: " << P.Name() << endl; @@ -307,23 +359,32 @@ bool Dump(CommandLine &Cmd) cout << " Version: " << V.VerStr() << endl; cout << " File: " << V.FileList().File().FileName() << endl; for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++) - cout << " Depends: " << D.TargetPkg().Name() << ' ' << D.TargetVer() << endl; + cout << " Depends: " << D.TargetPkg().Name() << ' ' << + DeNull(D.TargetVer()) << 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; + } } } - for (pkgCache::PkgFileIterator F(Cache); F.end() == false; F++) + 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: " << F.Archive() << endl; - cout << " Component: " << F.Component() << endl; - cout << " Version: " << F.Version() << endl; - cout << " Origin: " << F.Origin() << endl; - cout << " Label: " << F.Label() << endl; - cout << " Architecture: " << F.Architecture() << 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; } return true; @@ -331,219 +392,1468 @@ bool Dump(CommandLine &Cmd) /*}}}*/ // DumpAvail - Print out the available list /*{{{*/ // --------------------------------------------------------------------- -/* This is needed to make dpkg --merge happy */ +/* 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) { pkgCache &Cache = *GCache; - unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize]; - for (pkgCache::PkgFileIterator I = Cache.FileBegin(); I.end() == false; I++) - { - if ((I->Flags & pkgCache::Flag::NotSource) != 0) + pkgPolicy Plcy(&Cache); + if (ReadPinFile(Plcy) == false) + return false; + + unsigned long Count = Cache.HeaderP->PackageCount+1; + pkgCache::VerFile **VFList = new pkgCache::VerFile *[Count]; + memset(VFList,0,sizeof(*VFList)*Count); + + // Map versions that we want to write out onto the VerList array. + for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) + { + if (P->VersionList == 0) continue; - if (I.IsOk() == false) + /* Find the proper version to use. If the policy says there are no + possible selections we return the installed version, if available.. + This prevents dselect from making it obsolete. */ + pkgCache::VerIterator V = Plcy.GetCandidateVer(P); + if (V.end() == true) { - delete [] Buffer; - return _error->Error("Package file %s is out of sync.",I.FileName()); + if (P->CurrentVer == 0) + continue; + V = P.CurrentVer(); } - FileFd PkgF(I.FileName(),FileFd::ReadOnly); - if (_error->PendingError() == true) + pkgCache::VerFileIterator VF = V.FileList(); + for (; VF.end() == false ; VF++) + if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0) + break; + + /* Okay, here we have a bit of a problem.. The policy has selected the + currently installed package - however it only exists in the + status file.. We need to write out something or dselect will mark + the package as obsolete! Thus we emit the status file entry, but + below we remove the status line to make it valid for the + available file. However! We only do this if their do exist *any* + non-source versions of the package - that way the dselect obsolete + handling works OK. */ + if (VF.end() == true) + { + for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; Cur++) + { + for (VF = Cur.FileList(); VF.end() == false; VF++) + { + if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0) + { + VF = V.FileList(); + break; + } + } + + if (VF.end() == false) + break; + } + } + + VFList[P->ID] = VF; + } + + LocalitySort(VFList,Count,sizeof(*VFList)); + + // 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;) + { + pkgCache::PkgFileIterator File(Cache,(*J)->File + Cache.PkgFileP); + if (File.IsOk() == false) { - delete [] Buffer; - return false; + _error->Error(_("Package file %s is out of sync."),File.FileName()); + break; } - /* Write all of the records from this package file, we search the entire - structure to find them */ - for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) + FileFd PkgF(File.FileName(),FileFd::ReadOnly); + if (_error->PendingError() == true) + break; + + /* Write all of the records from this package file, since we + already did locality sorting we can now just seek through the + file in read order. We apply 1 more optimization here, since often + there will be < 1 byte gaps between records (for the \n) we read that + into the next buffer and offset a bit.. */ + unsigned long Pos = 0; + for (; *J != 0; J++) { - for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) + if ((*J)->File + Cache.PkgFileP != File) + break; + + const pkgCache::VerFile &VF = **J; + + // Read the record and then write it out again. + unsigned long Jitter = VF.Offset - Pos; + if (Jitter > 8) { - if (V->FileList == 0) - continue; - if (V.FileList().File() != I) - continue; - - // Read the record and then write it out again. - if (PkgF.Seek(V.FileList()->Offset) == false || - PkgF.Read(Buffer,V.FileList()->Size) == false || - write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size) + if (PkgF.Seek(VF.Offset) == false) + break; + Jitter = 0; + } + + 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) { - delete [] Buffer; - return 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) + break; } + + Pos = VF.Offset + VF.Size; } + + fflush(stdout); + if (_error->PendingError() == true) + break; } - return true; + delete [] Buffer; + delete [] VFList; + return !_error->PendingError(); } /*}}}*/ -// DoAdd - Perform an adding operation /*{{{*/ +// Depends - Print out a dependency tree /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DoAdd(CommandLine &CmdL) +bool Depends(CommandLine &CmdL) { - // Make sure there is at least one argument - if (CmdL.FileSize() <= 1) - return _error->Error("You must give at least one file name"); + pkgCache &Cache = *GCache; + SPtrArray Colours = new unsigned[Cache.Head().PackageCount]; + memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount); - // Open the cache - FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny); - if (_error->PendingError() == true) - return false; + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + Colours[Pkg->ID] = 1; + } - DynamicMMap Map(CacheF,MMap::Public); - if (_error->PendingError() == true) - return false; + bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false); + bool Installed = _config->FindB("APT::Cache::Installed",false); + bool DidSomething; + do + { + DidSomething = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Colours[Pkg->ID] != 1) + continue; + Colours[Pkg->ID] = 2; + DidSomething = true; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + if (Ver.end() == true) + { + cout << '<' << Pkg.Name() << '>' << endl; + continue; + } + + cout << Pkg.Name() << endl; + + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + { - OpTextProgress Progress(*_config); - pkgCacheGenerator Gen(Map,Progress); - if (_error->PendingError() == true) - return false; + pkgCache::PkgIterator Trg = D.TargetPkg(); - unsigned long Length = CmdL.FileSize() - 1; - for (const char **I = CmdL.FileList + 1; *I != 0; I++) - { - Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache"); - Progress.SubProgress(Length); + if((Installed && Trg->CurrentVer != 0) || !Installed) + { - // Do the merge - FileFd TagF(*I,FileFd::ReadOnly); - debListParser Parser(TagF); - if (_error->PendingError() == true) - return _error->Error("Problem opening %s",*I); - - if (Gen.SelectFile(*I) == false) - return _error->Error("Problem with SelectFile"); - - if (Gen.MergeList(Parser) == false) - return _error->Error("Problem with MergeList"); - } + if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) + cout << " |"; + else + cout << " "; + + // Show the package + if (Trg->VersionList == 0) + cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; + else + cout << D.DepType() << ": " << Trg.Name() << endl; + + if (Recurse == true) + Colours[D.TargetPkg()->ID]++; - Progress.Done(); - GCache = &Gen.GetCache(); - Stats(CmdL); + } + + // Display all solutions + SPtrArray List = D.AllTargets(); + pkgPrioSortList(Cache,List); + for (pkgCache::Version **I = List; *I != 0; I++) + { + pkgCache::VerIterator V(Cache,*I); + if (V != Cache.VerP + V.ParentPkg()->VersionList || + V->ParentPkg == D->Package) + continue; + cout << " " << V.ParentPkg().Name() << endl; + + if (Recurse == true) + Colours[D.ParentPkg()->ID]++; + } + } + } + } + while (DidSomething == true); return true; } - /*}}}*/ -// GenCaches - Call the main cache generator /*{{{*/ + +// RDepends - Print out a reverse dependency tree - mbc /*{{{*/ // --------------------------------------------------------------------- /* */ -bool GenCaches(CommandLine &Cmd) +bool RDepends(CommandLine &CmdL) { - OpTextProgress Progress(*_config); + pkgCache &Cache = *GCache; + SPtrArray Colours = new unsigned[Cache.Head().PackageCount]; + memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount); - pkgSourceList List; - List.ReadMainList(); - return pkgMakeStatusCache(List,Progress); -} - /*}}}*/ -// ShowHelp - Show a help screen /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool ShowHelp(CommandLine &Cmd) -{ - cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE << - " compiled on " << __DATE__ << " " << __TIME__ << endl; - if (_config->FindB("version") == true) - return 100; + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + Colours[Pkg->ID] = 1; + } + + bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false); + bool Installed = _config->FindB("APT::Cache::Installed",false); + bool DidSomething; + do + { + DidSomething = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Colours[Pkg->ID] != 1) + continue; + Colours[Pkg->ID] = 2; + DidSomething = true; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + if (Ver.end() == true) + { + cout << '<' << Pkg.Name() << '>' << endl; + continue; + } + + cout << Pkg.Name() << endl; + + cout << "Reverse Depends:" << endl; + for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++) + { + // Show the package + pkgCache::PkgIterator Trg = D.ParentPkg(); + + if((Installed && Trg->CurrentVer != 0) || !Installed) + { + + if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) + cout << " |"; + else + cout << " "; + + if (Trg->VersionList == 0) + cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; + else + cout << Trg.Name() << endl; + + if (Recurse == true) + Colours[D.ParentPkg()->ID]++; + + } + + // Display all solutions + SPtrArray List = D.AllTargets(); + pkgPrioSortList(Cache,List); + for (pkgCache::Version **I = List; *I != 0; I++) + { + pkgCache::VerIterator V(Cache,*I); + if (V != Cache.VerP + V.ParentPkg()->VersionList || + V->ParentPkg == D->Package) + continue; + cout << " " << V.ParentPkg().Name() << endl; + + if (Recurse == true) + Colours[D.ParentPkg()->ID]++; + } + } + } + } + while (DidSomething == true); - cout << "Usage: apt-cache [options] command" << endl; - cout << " apt-cache [options] add file1 [file1 ...]" << endl; - cout << " apt-cache [options] showpkg pkg1 [pkg2 ...]" << endl; - cout << endl; - cout << "apt-cache is a low-level tool used to manipulate APT's binary" << endl; - cout << "cache files stored in " << _config->FindFile("Dir::Cache") << endl; - cout << "It is not ment for ordinary use only as a debug aide." << endl; - cout << endl; - cout << "Commands:" << endl; - cout << " add - Add an package file to the source cache" << endl; - cout << " gencaches - Build both the package and source cache" << endl; - cout << " showpkg - Show some general information for a single package" << endl; - cout << " stats - Show some basic statistics" << endl; - cout << " dump - Show the entire file in a terse form" << endl; - cout << " dumpavail - Print an available file to stdout" << endl; - cout << " unmet - Show unmet dependencies" << endl; - cout << " check - Check the cache a bit" << endl; - cout << endl; - cout << "Options:" << endl; - cout << " -h This help text." << endl; - cout << " -p=? The package cache. [" << _config->FindFile("Dir::Cache::pkgcache") << ']' << endl; - cout << " -s=? The source cache. [" << _config->FindFile("Dir::Cache::srcpkgcache") << ']' << endl; - cout << " -q Disable progress indicator." << endl; - cout << " -i Show only important deps for the unmet command." << endl; - cout << " -c=? Read this configuration file" << endl; - cout << " -o=? Set an arbitary configuration option, ie -o dir::cache=/tmp" << endl; - cout << "See the apt-cache(8) and apt.conf(5) manual pages for more information." << endl; - return 100; + return true; } + /*}}}*/ -// CacheInitialize - Initialize things for apt-cache /*{{{*/ + + +// xvcg - Generate a graph for xvcg /*{{{*/ // --------------------------------------------------------------------- -/* */ -void CacheInitialize() -{ - _config->Set("quiet",0); - _config->Set("help",false); -} - /*}}}*/ +// Code contributed from Junichi Uekawa on 20 June 2002. -int main(int argc,const char *argv[]) +bool XVcg(CommandLine &CmdL) { - 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}, - {'c',"config-file",0,CommandLine::ConfigFile}, - {'o',"option",0,CommandLine::ArbItem}, - {0,0,0,0}}; - CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, - {"add",&DoAdd}, - {"gencaches",&GenCaches}, - {0,0}}; - CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage}, - {"stats",&Stats}, - {"dump",&Dump}, - {"dumpavail",&DumpAvail}, - {"unmet",&UnMet}, - {"check",&Check}, - {0,0}}; - - CacheInitialize(); + pkgCache &Cache = *GCache; + bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false); - // Parse the command line and initialize the package library - CommandLine CmdL(Args,_config); - if (pkgInitialize(*_config) == false || - CmdL.Parse(argc,argv) == false) - { - _error->DumpErrors(); - return 100; - } - - // See if the help should be shown - if (_config->FindB("help") == true || - CmdL.FileSize() == 0) - return ShowHelp(CmdL); - + /* Normal packages are boxes + Pure Provides are triangles + Mixed are diamonds + rhomb are missing packages*/ + const char *Shapes[] = {"ellipse","triangle","box","rhomb"}; + + /* Initialize the list of packages to show. + 1 = To Show + 2 = To Show no recurse + 3 = Emitted no recurse + 4 = Emitted + 0 = None */ + enum States {None=0, ToShow, ToShowNR, DoneNR, Done}; + enum TheFlags {ForceNR=(1<<0)}; + unsigned char *Show = new unsigned char[Cache.Head().PackageCount]; + unsigned char *Flags = new unsigned char[Cache.Head().PackageCount]; + unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount]; + + // Show everything if no arguments given + if (CmdL.FileList[1] == 0) + for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) + Show[I] = ToShow; + else + for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) + Show[I] = None; + memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount); + + // Map the shapes + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Pkg->VersionList == 0) + { + // Missing + if (Pkg->ProvidesList == 0) + ShapeMap[Pkg->ID] = 0; + else + ShapeMap[Pkg->ID] = 1; + } + else + { + // Normal + if (Pkg->ProvidesList == 0) + ShapeMap[Pkg->ID] = 2; + else + ShapeMap[Pkg->ID] = 3; + } + } + + // Load the list of packages from the command line into the show list + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + // Process per-package flags + string P = *I; + bool Force = false; + if (P.length() > 3) + { + if (P.end()[-1] == '^') + { + Force = true; + P.erase(P.end()-1); + } + + if (P.end()[-1] == ',') + P.erase(P.end()-1); + } + + // Locate the package + pkgCache::PkgIterator Pkg = Cache.FindPkg(P); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + Show[Pkg->ID] = ToShow; + + if (Force == true) + Flags[Pkg->ID] |= ForceNR; + } + + // Little header + cout << "graph: { title: \"packages\"" << endl << + "xmax: 700 ymax: 700 x: 30 y: 30" << endl << + "layout_downfactor: 8" << endl; + + bool Act = true; + while (Act == true) + { + Act = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + // See we need to show this package + if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR) + continue; + + //printf ("node: { title: \"%s\" label: \"%s\" }\n", Pkg.Name(), Pkg.Name()); + + // Colour as done + if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR) + { + // Pure Provides and missing packages have no deps! + if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1) + Show[Pkg->ID] = Done; + else + Show[Pkg->ID] = DoneNR; + } + else + Show[Pkg->ID] = Done; + Act = true; + + // No deps to map out + if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR) + continue; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + { + // See if anything can meet this dep + // Walk along the actual package providing versions + bool Hit = false; + pkgCache::PkgIterator DPkg = D.TargetPkg(); + for (pkgCache::VerIterator I = DPkg.VersionList(); + I.end() == false && Hit == false; I++) + { + if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true) + Hit = true; + } + + // Follow all provides + for (pkgCache::PrvIterator I = DPkg.ProvidesList(); + I.end() == false && Hit == false; I++) + { + if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false) + Hit = true; + } + + + // Only graph critical deps + if (D.IsCritical() == true) + { + printf ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.Name(), D.TargetPkg().Name() ); + + // Colour the node for recursion + if (Show[D.TargetPkg()->ID] <= DoneNR) + { + /* If a conflicts does not meet anything in the database + then show the relation but do not recurse */ + if (Hit == false && + (D->Type == pkgCache::Dep::Conflicts || + D->Type == pkgCache::Dep::Obsoletes)) + { + if (Show[D.TargetPkg()->ID] == None && + Show[D.TargetPkg()->ID] != ToShow) + Show[D.TargetPkg()->ID] = ToShowNR; + } + else + { + if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow) + Show[D.TargetPkg()->ID] = ToShowNR; + else + Show[D.TargetPkg()->ID] = ToShow; + } + } + + // Edge colour + switch(D->Type) + { + case pkgCache::Dep::Conflicts: + printf("label: \"conflicts\" color: lightgreen }\n"); + break; + case pkgCache::Dep::Obsoletes: + printf("label: \"obsoletes\" color: lightgreen }\n"); + break; + + case pkgCache::Dep::PreDepends: + printf("label: \"predepends\" color: blue }\n"); + break; + + default: + printf("}\n"); + break; + } + } + } + } + } + + /* Draw the box colours after the fact since we can not tell what colour + they should be until everything is finished drawing */ + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Show[Pkg->ID] < DoneNR) + continue; + + if (Show[Pkg->ID] == DoneNR) + printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.Name(), Pkg.Name(), + Shapes[ShapeMap[Pkg->ID]]); + else + printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.Name(), Pkg.Name(), + Shapes[ShapeMap[Pkg->ID]]); + + } + + printf("}\n"); + return true; +} + /*}}}*/ + + +// Dotty - Generate a graph for Dotty /*{{{*/ +// --------------------------------------------------------------------- +/* 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) +{ + pkgCache &Cache = *GCache; + bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false); + + /* Normal packages are boxes + Pure Provides are triangles + Mixed are diamonds + Hexagons are missing packages*/ + const char *Shapes[] = {"hexagon","triangle","box","diamond"}; + + /* Initialize the list of packages to show. + 1 = To Show + 2 = To Show no recurse + 3 = Emitted no recurse + 4 = Emitted + 0 = None */ + enum States {None=0, ToShow, ToShowNR, DoneNR, Done}; + enum TheFlags {ForceNR=(1<<0)}; + unsigned char *Show = new unsigned char[Cache.Head().PackageCount]; + unsigned char *Flags = new unsigned char[Cache.Head().PackageCount]; + unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount]; + + // Show everything if no arguments given + if (CmdL.FileList[1] == 0) + for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) + Show[I] = ToShow; + else + for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) + Show[I] = None; + memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount); + + // Map the shapes + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Pkg->VersionList == 0) + { + // Missing + if (Pkg->ProvidesList == 0) + ShapeMap[Pkg->ID] = 0; + else + ShapeMap[Pkg->ID] = 1; + } + else + { + // Normal + if (Pkg->ProvidesList == 0) + ShapeMap[Pkg->ID] = 2; + else + ShapeMap[Pkg->ID] = 3; + } + } + + // Load the list of packages from the command line into the show list + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + // Process per-package flags + string P = *I; + bool Force = false; + if (P.length() > 3) + { + if (P.end()[-1] == '^') + { + Force = true; + P.erase(P.end()-1); + } + + if (P.end()[-1] == ',') + P.erase(P.end()-1); + } + + // Locate the package + pkgCache::PkgIterator Pkg = Cache.FindPkg(P); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + Show[Pkg->ID] = ToShow; + + if (Force == true) + Flags[Pkg->ID] |= ForceNR; + } + + // Little header + printf("digraph packages {\n"); + printf("concentrate=true;\n"); + printf("size=\"30,40\";\n"); + + bool Act = true; + while (Act == true) + { + Act = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + // See we need to show this package + if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR) + continue; + + // Colour as done + if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR) + { + // Pure Provides and missing packages have no deps! + if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1) + Show[Pkg->ID] = Done; + else + Show[Pkg->ID] = DoneNR; + } + else + Show[Pkg->ID] = Done; + Act = true; + + // No deps to map out + if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR) + continue; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + { + // See if anything can meet this dep + // Walk along the actual package providing versions + bool Hit = false; + pkgCache::PkgIterator DPkg = D.TargetPkg(); + for (pkgCache::VerIterator I = DPkg.VersionList(); + I.end() == false && Hit == false; I++) + { + if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true) + Hit = true; + } + + // Follow all provides + for (pkgCache::PrvIterator I = DPkg.ProvidesList(); + I.end() == false && Hit == false; I++) + { + if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false) + Hit = true; + } + + // Only graph critical deps + if (D.IsCritical() == true) + { + printf("\"%s\" -> \"%s\"",Pkg.Name(),D.TargetPkg().Name()); + + // Colour the node for recursion + if (Show[D.TargetPkg()->ID] <= DoneNR) + { + /* If a conflicts does not meet anything in the database + then show the relation but do not recurse */ + if (Hit == false && + (D->Type == pkgCache::Dep::Conflicts || + D->Type == pkgCache::Dep::Obsoletes)) + { + if (Show[D.TargetPkg()->ID] == None && + Show[D.TargetPkg()->ID] != ToShow) + Show[D.TargetPkg()->ID] = ToShowNR; + } + else + { + if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow) + Show[D.TargetPkg()->ID] = ToShowNR; + else + Show[D.TargetPkg()->ID] = ToShow; + } + } + + // Edge colour + switch(D->Type) + { + case pkgCache::Dep::Conflicts: + case pkgCache::Dep::Obsoletes: + printf("[color=springgreen];\n"); + break; + + case pkgCache::Dep::PreDepends: + printf("[color=blue];\n"); + break; + + default: + printf(";\n"); + break; + } + } + } + } + } + + /* Draw the box colours after the fact since we can not tell what colour + they should be until everything is finished drawing */ + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Show[Pkg->ID] < DoneNR) + continue; + + // Orange box for early recursion stoppage + if (Show[Pkg->ID] == DoneNR) + printf("\"%s\" [color=orange,shape=%s];\n",Pkg.Name(), + Shapes[ShapeMap[Pkg->ID]]); + else + printf("\"%s\" [shape=%s];\n",Pkg.Name(), + Shapes[ShapeMap[Pkg->ID]]); + } + + printf("}\n"); + return true; +} + /*}}}*/ +// DoAdd - Perform an adding operation /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool DoAdd(CommandLine &CmdL) +{ + return _error->Error("Unimplemented"); +#if 0 + // Make sure there is at least one argument + if (CmdL.FileSize() <= 1) + return _error->Error("You must give at least one file name"); + + // Open the cache + FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny); + if (_error->PendingError() == true) + return false; + + DynamicMMap Map(CacheF,MMap::Public); + if (_error->PendingError() == true) + return false; + + OpTextProgress Progress(*_config); + pkgCacheGenerator Gen(Map,Progress); + if (_error->PendingError() == true) + return false; + + unsigned long Length = CmdL.FileSize() - 1; + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache"); + Progress.SubProgress(Length); + + // Do the merge + FileFd TagF(*I,FileFd::ReadOnly); + debListParser Parser(TagF); + if (_error->PendingError() == true) + return _error->Error("Problem opening %s",*I); + + if (Gen.SelectFile(*I,"") == false) + return _error->Error("Problem with SelectFile"); + + if (Gen.MergeList(Parser) == false) + return _error->Error("Problem with MergeList"); + } + + Progress.Done(); + GCache = &Gen.GetCache(); + Stats(CmdL); + + return true; +#endif +} + /*}}}*/ +// DisplayRecord - Displays the complete record for the package /*{{{*/ +// --------------------------------------------------------------------- +/* This displays the package record from the proper package index file. + It is not used by DumpAvail for performance reasons. */ +bool DisplayRecord(pkgCache::VerIterator V) +{ + // Find an appropriate file + pkgCache::VerFileIterator Vf = V.FileList(); + for (; Vf.end() == false; Vf++) + if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0) + break; + if (Vf.end() == true) + Vf = V.FileList(); + + // Check and load the package list file + pkgCache::PkgFileIterator I = Vf.File(); + if (I.IsOk() == false) + return _error->Error(_("Package file %s is out of sync."),I.FileName()); + + FileFd PkgF(I.FileName(),FileFd::ReadOnly); + if (_error->PendingError() == true) + return false; + + // Read the record + unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1]; + Buffer[V.FileList()->Size] = '\n'; + if (PkgF.Seek(V.FileList()->Offset) == false || + PkgF.Read(Buffer,V.FileList()->Size) == false) + { + delete [] Buffer; + return false; + } + + // Get a pointer to start of Description field + const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:"); + + // Write all but Description + if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer)) + { + delete [] Buffer; + return false; + } + + // Show the right description + pkgRecords Recs(*GCache); + pkgCache::DescIterator Desc = V.TranslatedDescription(); + pkgRecords::Parser &P = Recs.Lookup(Desc.FileList()); + cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc(); + + // Find the first field after the description (if there is any) + for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++) + { + if(*DescP == '\n' && *(DescP+1) != ' ') + { + // 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; + } + } + // write a final newline (after the description) + cout<FindB("APT::Cache::ShowFull",false); + bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false); + unsigned NumPatterns = CmdL.FileSize() -1; + + pkgDepCache::Policy Plcy; + + // Make sure there is at least one argument + if (NumPatterns < 1) + return _error->Error(_("You must give exactly one pattern")); + + // Compile the regex pattern + regex_t *Patterns = new regex_t[NumPatterns]; + memset(Patterns,0,sizeof(*Patterns)*NumPatterns); + for (unsigned I = 0; I != NumPatterns; I++) + { + if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE | + REG_NOSUB) != 0) + { + for (; I != 0; I--) + regfree(&Patterns[I]); + return _error->Error("Regex compilation error"); + } + } + + // Create the text record parser + pkgRecords Recs(Cache); + if (_error->PendingError() == true) + { + for (unsigned I = 0; I != NumPatterns; I++) + regfree(&Patterns[I]); + return false; + } + + ExDescFile *DFList = new ExDescFile[Cache.HeaderP->PackageCount+1]; + memset(DFList,0,sizeof(*DFList)*Cache.HeaderP->PackageCount+1); + + // Map versions that we want to write out onto the VerList array. + for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) + { + DFList[P->ID].NameMatch = NumPatterns != 0; + for (unsigned I = 0; I != NumPatterns; I++) + { + if (regexec(&Patterns[I],P.Name(),0,0,0) == 0) + DFList[P->ID].NameMatch &= true; + else + DFList[P->ID].NameMatch = false; + } + + // Doing names only, drop any that dont match.. + if (NamesOnly == true && DFList[P->ID].NameMatch == false) + continue; + + // Find the proper version to use. + pkgCache::VerIterator V = Plcy.GetCandidateVer(P); + if (V.end() == false) + DFList[P->ID].Df = V.DescriptionList().FileList(); + } + + // Include all the packages that provide matching names too + for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) + { + if (DFList[P->ID].NameMatch == false) + continue; + + for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++) + { + pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg()); + if (V.end() == false) + { + DFList[Prv.OwnerPkg()->ID].Df = V.DescriptionList().FileList(); + DFList[Prv.OwnerPkg()->ID].NameMatch = true; + } + } + } + + LocalitySort(&DFList->Df,Cache.HeaderP->PackageCount,sizeof(*DFList)); + + // Iterate over all the version records and check them + for (ExDescFile *J = DFList; J->Df != 0; J++) + { + pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(Cache,J->Df)); + + bool Match = true; + if (J->NameMatch == false) + { + string LongDesc = P.LongDesc(); + Match = NumPatterns != 0; + for (unsigned I = 0; I != NumPatterns; I++) + { + if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0) + Match &= true; + else + Match = false; + } + } + + if (Match == true) + { + if (ShowFull == true) + { + const char *Start; + const char *End; + P.GetRec(Start,End); + fwrite(Start,End-Start,1,stdout); + putc('\n',stdout); + } + else + printf("%s - %s\n",P.Name().c_str(),P.ShortDesc().c_str()); + } + } + + delete [] DFList; + for (unsigned I = 0; I != NumPatterns; I++) + regfree(&Patterns[I]); + if (ferror(stdout)) + return _error->Error("Write to stdout failed"); + return true; +} + /*}}}*/ +// ShowPackage - Dump the package record to the screen /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool ShowPackage(CommandLine &CmdL) +{ + pkgCache &Cache = *GCache; + pkgDepCache::Policy Plcy; + + unsigned found = 0; + + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + + ++found; + + // Find the proper version to use. + if (_config->FindB("APT::Cache::AllVersions","true") == true) + { + pkgCache::VerIterator V; + for (V = Pkg.VersionList(); V.end() == false; V++) + { + if (DisplayRecord(V) == false) + return false; + } + } + else + { + pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg); + if (V.end() == true || V.FileList().end() == true) + continue; + if (DisplayRecord(V) == false) + return false; + } + } + + if (found > 0) + return true; + return _error->Error(_("No packages found")); +} + /*}}}*/ +// ShowPkgNames - Show package names /*{{{*/ +// --------------------------------------------------------------------- +/* This does a prefix match on the first argument */ +bool ShowPkgNames(CommandLine &CmdL) +{ + pkgCache &Cache = *GCache; + pkgCache::PkgIterator I = Cache.PkgBegin(); + bool All = _config->FindB("APT::Cache::AllNames","false"); + + if (CmdL.FileList[1] != 0) + { + for (;I.end() != true; I++) + { + if (All == false && I->VersionList == 0) + continue; + + if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0) + cout << I.Name() << endl; + } + + return true; + } + + // Show all pkgs + for (;I.end() != true; I++) + { + if (All == false && I->VersionList == 0) + continue; + cout << I.Name() << endl; + } + + return true; +} + /*}}}*/ +// ShowSrcPackage - Show source package records /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool ShowSrcPackage(CommandLine &CmdL) +{ + pkgSourceList List; + List.ReadMainList(); + + // Create the text record parsers + pkgSrcRecords SrcRecs(List); + if (_error->PendingError() == true) + return false; + + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + SrcRecs.Restart(); + + pkgSrcRecords::Parser *Parse; + while ((Parse = SrcRecs.Find(*I,false)) != 0) + cout << Parse->AsStr() << endl;; + } + return true; +} + /*}}}*/ +// Policy - Show the results of the preferences file /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool Policy(CommandLine &CmdL) +{ + if (SrcList == 0) + return _error->Error("Generate must be enabled for this function"); + + pkgCache &Cache = *GCache; + pkgPolicy Plcy(&Cache); + if (ReadPinFile(Plcy) == false) + return false; + + // Print out all of the package files + if (CmdL.FileList[1] == 0) + { + cout << _("Package files:") << endl; + for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++) + { + // Locate the associated index files so we can derive a description + pkgIndexFile *Indx; + if (SrcList->FindIndex(F,Indx) == false && + _system->FindIndex(F,Indx) == false) + return _error->Error(_("Cache is out of sync, can't x-ref a package file")); + printf(_("%4i %s\n"), + Plcy.GetPriority(F),Indx->Describe(true).c_str()); + + // Print the reference information for the package + string Str = F.RelStr(); + if (Str.empty() == false) + printf(" release %s\n",F.RelStr().c_str()); + if (F.Site() != 0 && F.Site()[0] != 0) + printf(" origin %s\n",F.Site()); + } + + // Show any packages have explicit pins + cout << _("Pinned packages:") << endl; + pkgCache::PkgIterator I = Cache.PkgBegin(); + for (;I.end() != true; I++) + { + if (Plcy.GetPriority(I) == 0) + continue; + + // Print the package name and the version we are forcing to + cout << " " << I.Name() << " -> "; + + pkgCache::VerIterator V = Plcy.GetMatch(I); + if (V.end() == true) + cout << _("(not found)") << endl; + else + cout << V.VerStr() << endl; + } + + return true; + } + + // Print out detailed information for each package + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + + cout << Pkg.Name() << ":" << endl; + + // Installed version + cout << _(" Installed: "); + if (Pkg->CurrentVer == 0) + cout << _("(none)") << endl; + else + cout << Pkg.CurrentVer().VerStr() << endl; + + // Candidate Version + cout << _(" Candidate: "); + pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg); + if (V.end() == true) + cout << _("(none)") << endl; + else + cout << V.VerStr() << endl; + + // Pinned version + if (Plcy.GetPriority(Pkg) != 0) + { + cout << _(" Package pin: "); + V = Plcy.GetMatch(Pkg); + if (V.end() == true) + cout << _("(not found)") << endl; + else + cout << V.VerStr() << endl; + } + + // Show the priority tables + cout << _(" Version table:") << endl; + for (V = Pkg.VersionList(); V.end() == false; V++) + { + if (Pkg.CurrentVer() == V) + cout << " *** " << V.VerStr(); + else + cout << " " << V.VerStr(); + cout << " " << Plcy.GetPriority(Pkg) << endl; + for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++) + { + // Locate the associated index files so we can derive a description + pkgIndexFile *Indx; + if (SrcList->FindIndex(VF.File(),Indx) == false && + _system->FindIndex(VF.File(),Indx) == false) + return _error->Error(_("Cache is out of sync, can't x-ref a package file")); + printf(_(" %4i %s\n"),Plcy.GetPriority(VF.File()), + Indx->Describe(true).c_str()); + } + } + } + + return true; +} + /*}}}*/ +// Madison - Look a bit like katie's madison /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool Madison(CommandLine &CmdL) +{ + if (SrcList == 0) + return _error->Error("Generate must be enabled for this function"); + + SrcList->ReadMainList(); + + pkgCache &Cache = *GCache; + + // Create the text record parsers + pkgSrcRecords SrcRecs(*SrcList); + if (_error->PendingError() == true) + return false; + + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + + if (Pkg.end() == false) + { + for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++) + { + for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++) + { +// This might be nice, but wouldn't uniquely identify the source -mdz +// if (VF.File().Archive() != 0) +// { +// cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | " +// << VF.File().Archive() << endl; +// } + + // Locate the associated index files so we can derive a description + for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); S++) + { + vector *Indexes = (*S)->GetIndexFiles(); + for (vector::const_iterator IF = Indexes->begin(); + IF != Indexes->end(); IF++) + { + if ((*IF)->FindInCache(*(VF.File().Cache())) == VF.File()) + { + cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | " + << (*IF)->Describe(true) << endl; + } + } + } + } + } + } + + + SrcRecs.Restart(); + pkgSrcRecords::Parser *SrcParser; + while ((SrcParser = SrcRecs.Find(*I,false)) != 0) + { + // Maybe support Release info here too eventually + cout << setw(10) << SrcParser->Package() << " | " + << setw(10) << SrcParser->Version() << " | " + << SrcParser->Index().Describe(true) << endl; + } + } + + return true; +} + + /*}}}*/ +// GenCaches - Call the main cache generator /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool GenCaches(CommandLine &Cmd) +{ + OpTextProgress Progress(*_config); + + pkgSourceList List; + if (List.ReadMainList() == false) + return false; + return pkgMakeStatusCache(List,Progress); +} + /*}}}*/ +// ShowHelp - Show a help screen /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool ShowHelp(CommandLine &Cmd) +{ + ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION, + COMMON_OS,COMMON_CPU,__DATE__,__TIME__); + + if (_config->FindB("version") == true) + return true; + + cout << + _("Usage: apt-cache [options] command\n" + " apt-cache [options] add file1 [file2 ...]\n" + " apt-cache [options] showpkg pkg1 [pkg2 ...]\n" + " apt-cache [options] showsrc pkg1 [pkg2 ...]\n" + "\n" + "apt-cache is a low-level tool used to manipulate APT's binary\n" + "cache files, and query information from them\n" + "\n" + "Commands:\n" + " add - Add a package file to the source cache\n" + " gencaches - Build both the package and source cache\n" + " showpkg - Show some general information for a single package\n" + " showsrc - Show source records\n" + " stats - Show some basic statistics\n" + " dump - Show the entire file in a terse form\n" + " dumpavail - Print an available file to stdout\n" + " unmet - Show unmet dependencies\n" + " search - Search the package list for a regex pattern\n" + " show - Show a readable record for the package\n" + " depends - Show raw dependency information for a package\n" + " rdepends - Show reverse dependency information for a package\n" + " pkgnames - List the names of all packages\n" + " dotty - Generate package graphs for GraphVis\n" + " xvcg - Generate package graphs for xvcg\n" + " policy - Show policy settings\n" + "\n" + "Options:\n" + " -h This help text.\n" + " -p=? The package cache.\n" + " -s=? The source cache.\n" + " -q Disable progress indicator.\n" + " -i Show only important deps for the unmet command.\n" + " -c=? Read this configuration file\n" + " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n" + "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n"); + return true; +} + /*}}}*/ +// CacheInitialize - Initialize things for apt-cache /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void CacheInitialize() +{ + _config->Set("quiet",0); + _config->Set("help",false); +} + /*}}}*/ + +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}, + {'c',"config-file",0,CommandLine::ConfigFile}, + {'o',"option",0,CommandLine::ArbItem}, + {0,"installed","APT::Cache::Installed",0}, + {0,0,0,0}}; + CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, + {"add",&DoAdd}, + {"gencaches",&GenCaches}, + {"showsrc",&ShowSrcPackage}, + {0,0}}; + CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage}, + {"stats",&Stats}, + {"dump",&Dump}, + {"dumpavail",&DumpAvail}, + {"unmet",&UnMet}, + {"search",&Search}, + {"depends",&Depends}, + {"rdepends",&RDepends}, + {"dotty",&Dotty}, + {"xvcg",&XVcg}, + {"show",&ShowPackage}, + {"pkgnames",&ShowPkgNames}, + {"policy",&Policy}, + {"madison",&Madison}, + {0,0}}; + + CacheInitialize(); + + // 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; + } + + // 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",0) < 1) + _config->Set("quiet","1"); + if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false) - { - // Open the cache file - FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly); - MMap Map(CacheF,MMap::Public | MMap::ReadOnly); + { + MMap *Map = 0; + if (_config->FindB("APT::Cache::Generate",true) == false) + { + Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"), + FileFd::ReadOnly),MMap::Public|MMap::ReadOnly); + } + else + { + // Open the cache file + SrcList = new pkgSourceList; + SrcList->ReadMainList(); + + // Generate it and map it + OpProgress Prog; + pkgMakeStatusCache(*SrcList,Prog,&Map,true); + } + if (_error->PendingError() == false) { pkgCache Cache(Map); GCache = &Cache; if (_error->PendingError() == false) CmdL.DispatchArg(CmdsB); - } + } + delete Map; } // Print any errors or warnings found during parsing