X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3d615484858169e6732ef4f236fd3f38d0083a89..4f3255979a2116ba0ca8e945ee8e06fe823edfc8:/cmdline/apt-cache.cc?ds=inline diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 429c36a3d..a0239d87f 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 1.17 1998/12/10 04:22:48 jgg Exp $ +// $Id: apt-cache.cc,v 1.45 2001/02/22 06:26:27 jgg 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. @@ -17,22 +15,63 @@ // 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 /*}}}*/ +pkgCache *GCache = 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); +} + /*}}}*/ // UnMet - Show unmet dependencies /*{{{*/ // --------------------------------------------------------------------- /* */ -bool UnMet(pkgCache &Cache) +bool UnMet(CommandLine &CmdL) { + pkgCache &Cache = *GCache; bool Important = _config->FindB("APT::Cache::Important",false); for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) @@ -47,9 +86,6 @@ bool UnMet(pkgCache &Cache) 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 && @@ -90,8 +126,8 @@ bool UnMet(pkgCache &Cache) // 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 @@ -122,33 +158,40 @@ bool UnMet(pkgCache &Cache) // DumpPackage - Show a dump of a package record /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DumpPackage(pkgCache &Cache,CommandLine &CmdL) +bool DumpPackage(CommandLine &CmdL) { + pkgCache &Cache = *GCache; 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); + _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 << 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 << ' ' << D.TargetVer() << endl; + else + cout << endl; + } + cout << "Dependencies: " << endl; for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) { @@ -168,9 +211,7 @@ bool DumpPackage(pkgCache &Cache,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; @@ -179,17 +220,18 @@ bool DumpPackage(pkgCache &Cache,CommandLine &CmdL) // Stats - Dump some nice statistics /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Stats(pkgCache &Cache) +bool Stats(CommandLine &Cmd) { - cout << "Total Package Names : " << Cache.Head().PackageCount << " (" << + pkgCache &Cache = *GCache; + 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) @@ -221,19 +263,21 @@ bool Stats(pkgCache &Cache) 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 Dependencies: ") << Cache.Head().DependsCount << " (" << SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl; - cout << "Total Ver/File relations: " << Cache.Head().PackageCount << " (" << - SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl; + cout << _("Total Ver/File relations: ") << Cache.Head().VerFileCount << " (" << + SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl; + cout << _("Total Provides Mappings: ") << Cache.Head().ProvidesCount << " (" << + SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl; // String list stats unsigned long Size = 0; @@ -242,50 +286,48 @@ bool Stats(pkgCache &Cache) 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 + Cache.Head().VersionCount*Cache.Head().VersionSz + - Cache.Head().PackageCount*Cache.Head().PackageSz; - cout << "Total Space Accounted for: " << SizeToStr(Total) << endl; + 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; - return true; -} - /*}}}*/ -// Check - Check some things about the cache /*{{{*/ -// --------------------------------------------------------------------- -/* Debug aide mostly */ -bool Check(pkgCache &Cache) -{ - 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 /*{{{*/ // --------------------------------------------------------------------- -/* */ -bool Dump(pkgCache &Cache) +/* 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; @@ -298,13 +340,21 @@ bool Dump(pkgCache &Cache) } } - 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: " << ctime(&F->mtime) << 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 << " Site: " << F.Site() << endl; + cout << " Label: " << F.Label() << endl; + cout << " Architecture: " << F.Architecture() << endl; } return true; @@ -312,52 +362,434 @@ bool Dump(pkgCache &Cache) /*}}}*/ // DumpAvail - Print out the available list /*{{{*/ // --------------------------------------------------------------------- -/* This is needed to make dpkg --merge happy */ -bool DumpAvail(pkgCache &Cache) +/* 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) { - unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize]; + pkgCache &Cache = *GCache; - 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; + + pkgCache::VerFile **VFList = new pkgCache::VerFile *[Cache.HeaderP->PackageCount]; + memset(VFList,0,sizeof(*VFList)*Cache.HeaderP->PackageCount); + + // 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) + { + if (P->CurrentVer == 0) + continue; + V = P.CurrentVer(); + } + + 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) { - delete [] Buffer; - return _error->Error("Package file %s is out of sync.",I.FileName()); + 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; + } } - FileFd PkgF(I.FileName(),FileFd::ReadOnly); + VFList[P->ID] = VF; + } + + LocalitySort(VFList,Cache.HeaderP->PackageCount,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) + { + _error->Error(_("Package file %s is out of sync."),File.FileName()); + break; + } + + 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++) { - delete [] Buffer; - return false; + 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 (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},{}}; + const char *Zero = 0; + if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false || + TFRewrite(stdout,Tags,&Zero,RW) == 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; } - /* 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++) + fflush(stdout); + if (_error->PendingError() == true) + break; + } + + delete [] Buffer; + delete [] VFList; + return !_error->PendingError(); +} + /*}}}*/ +// Depends - Print out a dependency tree /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool Depends(CommandLine &CmdL) +{ + pkgCache &Cache = *GCache; + SPtrArray Colours = new unsigned[Cache.Head().PackageCount]; + memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount); + + 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 DidSomething; + do + { + DidSomething = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) { - for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) + if (Colours[Pkg->ID] != 1) + continue; + Colours[Pkg->ID] = 2; + DidSomething = true; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + if (Ver.end() == true) { - if (V->FileList == 0) - continue; - if (V.FileList().File() != I) - continue; + cout << '<' << Pkg.Name() << '>' << endl; + continue; + } + + cout << Pkg.Name() << endl; + + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + { + if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) + cout << " |"; + else + cout << " "; + + // Show the package + pkgCache::PkgIterator Trg = D.TargetPkg(); + if (Trg->VersionList == 0) + cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; + else + cout << D.DepType() << ": " << Trg.Name() << endl; - // 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 (Recurse == true) + Colours[D.TargetPkg()->ID]++; + + // Display all solutions + SPtrArray List = D.AllTargets(); + pkgPrioSortList(Cache,List); + for (pkgCache::Version **I = List; *I != 0; I++) { - delete [] Buffer; - return false; + 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; +} + /*}}}*/ +// 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; } /*}}}*/ @@ -366,6 +798,8 @@ bool DumpAvail(pkgCache &Cache) /* */ 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"); @@ -396,7 +830,7 @@ bool DoAdd(CommandLine &CmdL) if (_error->PendingError() == true) return _error->Error("Problem opening %s",*I); - if (Gen.SelectFile(*I) == false) + if (Gen.SelectFile(*I,"") == false) return _error->Error("Problem with SelectFile"); if (Gen.MergeList(Parser) == false) @@ -404,58 +838,318 @@ bool DoAdd(CommandLine &CmdL) } Progress.Done(); - Stats(Gen.GetCache()); + 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 and then write it out again. + 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 || + write(STDOUT_FILENO,Buffer,V.FileList()->Size+1) != V.FileList()->Size+1) + { + delete [] Buffer; + return false; + } + + delete [] Buffer; + + return true; +} + /*}}}*/ +// Search - Perform a search /*{{{*/ +// --------------------------------------------------------------------- +/* This searches the package names and pacakge descriptions for a pattern */ +struct ExVerFile +{ + pkgCache::VerFile *Vf; + bool NameMatch; +}; + +bool Search(CommandLine &CmdL) +{ + pkgCache &Cache = *GCache; + bool ShowFull = _config->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; + } + + ExVerFile *VFList = new ExVerFile[Cache.HeaderP->PackageCount+1]; + memset(VFList,0,sizeof(*VFList)*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++) + { + VFList[P->ID].NameMatch = NumPatterns != 0; + for (unsigned I = 0; I != NumPatterns; I++) + { + if (regexec(&Patterns[I],P.Name(),0,0,0) == 0) + VFList[P->ID].NameMatch &= true; + else + VFList[P->ID].NameMatch = false; + } + + // Doing names only, drop any that dont match.. + if (NamesOnly == true && VFList[P->ID].NameMatch == false) + continue; + + // Find the proper version to use. + pkgCache::VerIterator V = Plcy.GetCandidateVer(P); + if (V.end() == true) + continue; + VFList[P->ID].Vf = V.FileList(); + } + + LocalitySort(&VFList->Vf,Cache.HeaderP->PackageCount,sizeof(*VFList)); + + // Iterate over all the version records and check them + for (ExVerFile *J = VFList; J->Vf != 0; J++) + { + pkgRecords::Parser &P = Recs.Lookup(pkgCache::VerFileIterator(Cache,J->Vf)); + + 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 [] VFList; + 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; + + 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; + } + + // 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; + } + } + return true; +} + /*}}}*/ +// 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; } /*}}}*/ // GenCaches - Call the main cache generator /*{{{*/ // --------------------------------------------------------------------- /* */ -bool GenCaches() +bool GenCaches(CommandLine &Cmd) { OpTextProgress Progress(*_config); pkgSourceList List; - List.ReadMainList(); + if (List.ReadMainList() == false) + return false; return pkgMakeStatusCache(List,Progress); } /*}}}*/ // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ -int ShowHelp() +bool ShowHelp(CommandLine &Cmd) { - cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE << - " compiled on " << __DATE__ << " " << __TIME__ << endl; - - 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 << " -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(8) manual pages for more information." << endl; - return 100; + ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION, + COMMON_OS,COMMON_CPU,__DATE__,__TIME__); + + cout << + _("Usage: apt-cache [options] command\n" + " apt-cache [options] add file1 [file1 ...]\n" + " apt-cache [options] showpkg 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 an 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" + " 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" + " check - Check the cache a bit\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" + " pkgnames - List the names of all packages\n" + " dotty - Generate package graphs for GraphVis\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 arbitary 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 /*{{{*/ @@ -472,20 +1166,44 @@ 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}, + {0,"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}, {0,0,0,0}}; + 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}, + {"dotty",&Dotty}, + {"show",&ShowPackage}, + {"pkgnames",&ShowPkgNames}, + {0,0}}; CacheInitialize(); // Parse the command line and initialize the package library CommandLine CmdL(Args,_config); - if (pkgInitialize(*_config) == false || - CmdL.Parse(argc,argv) == false) + if (pkgInitConfig(*_config) == false || + CmdL.Parse(argc,argv) == false || + pkgInitSystem(*_config,_system) == false) { _error->DumpErrors(); return 100; @@ -494,79 +1212,42 @@ int main(int argc,const char *argv[]) // See if the help should be shown if (_config->FindB("help") == true || CmdL.FileSize() == 0) - return ShowHelp(); - - while (1) { - if (strcmp(CmdL.FileList[0],"add") == 0) - { - ShowHelp(); - break; - } - - if (strcmp(CmdL.FileList[0],"add") == 0) - { - DoAdd(CmdL); - break; - } + ShowHelp(CmdL); + return 0; + } + + // Deal with stdout not being a tty + if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1) + _config->Set("quiet","1"); - if (strcmp(CmdL.FileList[0],"gencaches") == 0) + if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false) + { + MMap *Map; + if (_config->FindB("APT::Cache::Generate",true) == false) { - GenCaches(); - break; + Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"), + FileFd::ReadOnly),MMap::Public|MMap::ReadOnly); } - - // Open the cache file - FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly); - if (_error->PendingError() == true) - break; - - MMap Map(CacheF,MMap::Public | MMap::ReadOnly); - if (_error->PendingError() == true) - break; - - pkgCache Cache(Map); - if (_error->PendingError() == true) - break; - - if (strcmp(CmdL.FileList[0],"showpkg") == 0) + else { - DumpPackage(Cache,CmdL); - break; - } + // Open the cache file + pkgSourceList List; + List.ReadMainList(); - if (strcmp(CmdL.FileList[0],"stats") == 0) - { - Stats(Cache); - break; + // Generate it and map it + OpProgress Prog; + pkgMakeStatusCache(List,Prog,&Map,true); } - if (strcmp(CmdL.FileList[0],"dump") == 0) + if (_error->PendingError() == false) { - Dump(Cache); - break; - } - - if (strcmp(CmdL.FileList[0],"dumpavail") == 0) - { - DumpAvail(Cache); - break; - } - - if (strcmp(CmdL.FileList[0],"unmet") == 0) - { - UnMet(Cache); - break; - } - - if (strcmp(CmdL.FileList[0],"check") == 0) - { - Check(Cache); - break; + pkgCache Cache(Map); + GCache = &Cache; + if (_error->PendingError() == false) + CmdL.DispatchArg(CmdsB); } - - _error->Error("Invalid operation %s", CmdL.FileList[0]); - break; + delete Map; } // Print any errors or warnings found during parsing