X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e2a5ff0c3398380b15a09d810effffc5eb96ea53..be728d8de5618040f6ae77fa958dd8c42129aa20:/apt-pkg/orderlist.cc diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc index eaa5ea20a..3a179b2a2 100644 --- a/apt-pkg/orderlist.cc +++ b/apt-pkg/orderlist.cc @@ -63,6 +63,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -80,16 +82,14 @@ pkgOrderList *pkgOrderList::Me = 0; // OrderList::pkgOrderList - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgOrderList::pkgOrderList(pkgDepCache *pCache) : Cache(*pCache) +pkgOrderList::pkgOrderList(pkgDepCache *pCache) : Cache(*pCache), + Primary(NULL), Secondary(NULL), + RevDepends(NULL), Remove(NULL), + AfterEnd(NULL), FileList(NULL), + LoopCount(-1), Depth(0) { - FileList = 0; - Primary = 0; - Secondary = 0; - RevDepends = 0; - Remove = 0; - LoopCount = -1; Debug = _config->FindB("Debug::pkgOrderList",false); - + /* Construct the arrays, egcs 1.0.1 bug requires the package count hack */ unsigned long Size = Cache.Head().PackageCount; @@ -145,14 +145,14 @@ bool pkgOrderList::DoRun() Depth = 0; WipeFlags(Added | AddPending | Loop | InList); - for (iterator I = List; I != End; I++) + for (iterator I = List; I != End; ++I) Flag(*I,InList); // Rebuild the main list into the temp list. iterator OldEnd = End; End = NList; - for (iterator I = List; I != OldEnd; I++) - if (VisitNode(PkgIterator(Cache,*I)) == false) + for (iterator I = List; I != OldEnd; ++I) + if (VisitNode(PkgIterator(Cache,*I), "DoRun") == false) { End = OldEnd; return false; @@ -197,7 +197,7 @@ bool pkgOrderList::OrderCritical() { clog << "** Critical Unpack ordering done" << endl; - for (iterator I = List; I != End; I++) + for (iterator I = List; I != End; ++I) { PkgIterator P(Cache,*I); if (IsNow(P) == true) @@ -222,7 +222,7 @@ bool pkgOrderList::OrderUnpack(string *FileList) WipeFlags(After); // Set the inlist flag - for (iterator I = List; I != End; I++) + for (iterator I = List; I != End; ++I) { PkgIterator P(Cache,*I); if (IsMissing(P) == true && IsNow(P) == true) @@ -270,7 +270,7 @@ bool pkgOrderList::OrderUnpack(string *FileList) { clog << "** Unpack ordering done" << endl; - for (iterator I = List; I != End; I++) + for (iterator I = List; I != End; ++I) { PkgIterator P(Cache,*I); if (IsNow(P) == true) @@ -323,7 +323,7 @@ int pkgOrderList::Score(PkgIterator Pkg) Score += ScoreImmediate; for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); - D.end() == false; D++) + D.end() == false; ++D) if (D->Type == pkgCache::Dep::PreDepends) { Score += ScorePreDepends; @@ -488,40 +488,76 @@ bool pkgOrderList::VisitRProvides(DepFunc F,VerIterator Ver) return true; bool Res = true; - for (PrvIterator P = Ver.ProvidesList(); P.end() == false; P++) + for (PrvIterator P = Ver.ProvidesList(); P.end() == false; ++P) Res &= (this->*F)(P.ParentPkg().RevDependsList()); return Res; } /*}}}*/ // OrderList::VisitProvides - Visit all of the providing packages /*{{{*/ // --------------------------------------------------------------------- -/* This routine calls visit on all providing packages. */ +/* This routine calls visit on all providing packages. + + If the dependency is negative it first visits packages which are + intended to be removed and after that all other packages. + It does so to avoid situations in which this package is used to + satisfy a (or-group/provides) dependency of another package which + could have been satisfied also by upgrading another package - + otherwise we have more broken packages dpkg needs to auto- + deconfigure and in very complicated situations it even decides + against it! */ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical) -{ +{ SPtrArray List = D.AllTargets(); - for (Version **I = List; *I != 0; I++) + for (Version **I = List; *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator Pkg = Ver.ParentPkg(); + if (D.IsNegative() == true && Cache[Pkg].Delete() == false) + continue; + if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing) continue; - + if (D.IsNegative() == false && Cache[Pkg].InstallVer != *I) continue; - + if (D.IsNegative() == true && (Version *)Pkg.CurrentVer() != *I) continue; - + // Skip over missing files if (Critical == false && IsMissing(D.ParentPkg()) == true) continue; - if (VisitNode(Pkg) == false) + if (VisitNode(Pkg, "Provides-1") == false) return false; } + if (D.IsNegative() == false) + return true; + for (Version **I = List; *I != 0; ++I) + { + VerIterator Ver(Cache,*I); + PkgIterator Pkg = Ver.ParentPkg(); + + if (Cache[Pkg].Delete() == true) + continue; + + if (Cache[Pkg].Keep() == true && Pkg.State() == PkgIterator::NeedsNothing) + continue; + + if ((Version *)Pkg.CurrentVer() != *I) + continue; + + // Skip over missing files + if (Critical == false && IsMissing(D.ParentPkg()) == true) + continue; + + if (VisitNode(Pkg, "Provides-2") == false) + return false; + } + return true; } /*}}}*/ @@ -530,7 +566,7 @@ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical) /* This is the core ordering routine. It calls the set dependency consideration functions which then potentialy call this again. Finite depth is achived through the colouring mechinism. */ -bool pkgOrderList::VisitNode(PkgIterator Pkg) +bool pkgOrderList::VisitNode(PkgIterator Pkg, char const* from) { // Looping or irrelevent. // This should probably trancend not installed packages @@ -541,7 +577,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg) if (Debug == true) { for (int j = 0; j != Depth; j++) clog << ' '; - clog << "Visit " << Pkg.FullName() << endl; + clog << "Visit " << Pkg.FullName() << " from " << from << endl; } Depth++; @@ -615,7 +651,7 @@ bool pkgOrderList::VisitNode(PkgIterator Pkg) Loops are preprocessed and logged. */ bool pkgOrderList::DepUnPackCrit(DepIterator D) { - for (; D.end() == false; D++) + for (; D.end() == false; ++D) { if (D.Reverse() == true) { @@ -636,7 +672,7 @@ bool pkgOrderList::DepUnPackCrit(DepIterator D) if (CheckDep(D) == true) continue; - if (VisitNode(D.ParentPkg()) == false) + if (VisitNode(D.ParentPkg(), "UnPackCrit") == false) return false; } else @@ -693,7 +729,7 @@ bool pkgOrderList::DepUnPackPreD(DepIterator D) if (D.Reverse() == true) return DepUnPackCrit(D); - for (; D.end() == false; D++) + for (; D.end() == false; ++D) { if (D.IsCritical() == false) continue; @@ -736,7 +772,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D) if (D.Reverse() == true) return true; - for (; D.end() == false; D++) + for (; D.end() == false; ++D) { /* Only consider the PreDepends or Depends. Depends are only considered at the lowest depth or in the case of immediate @@ -791,7 +827,7 @@ bool pkgOrderList::DepUnPackPre(DepIterator D) bool pkgOrderList::DepUnPackDep(DepIterator D) { - for (; D.end() == false; D++) + for (; D.end() == false; ++D) if (D.IsCritical() == true) { if (D.Reverse() == true) @@ -811,7 +847,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D) if (IsMissing(D.ParentPkg()) == true) continue; - if (VisitNode(D.ParentPkg()) == false) + if (VisitNode(D.ParentPkg(), "UnPackDep-Parent") == false) return false; } else @@ -825,7 +861,7 @@ bool pkgOrderList::DepUnPackDep(DepIterator D) if (CheckDep(D) == true) continue; - if (VisitNode(D.TargetPkg()) == false) + if (VisitNode(D.TargetPkg(), "UnPackDep-Target") == false) return false; } } @@ -846,7 +882,7 @@ bool pkgOrderList::DepConfigure(DepIterator D) if (D.Reverse() == true) return true; - for (; D.end() == false; D++) + for (; D.end() == false; ++D) if (D->Type == pkgCache::Dep::Depends) if (VisitProvides(D,false) == false) return false; @@ -868,7 +904,7 @@ bool pkgOrderList::DepRemove(DepIterator D) { if (D.Reverse() == false) return true; - for (; D.end() == false; D++) + for (; D.end() == false; ++D) if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) { // Duplication elimination, consider the current version only @@ -924,7 +960,7 @@ bool pkgOrderList::DepRemove(DepIterator D) if (IsFlag(P, InList) == true && IsFlag(P, AddPending) == false && Cache[P].InstallVer != 0 && - VisitNode(P) == true) + VisitNode(P, "Remove-P") == true) { Flag(P, Immediate); tryFixDeps = false; @@ -960,7 +996,7 @@ bool pkgOrderList::DepRemove(DepIterator D) if (IsFlag(F.TargetPkg(), InList) == true && IsFlag(F.TargetPkg(), AddPending) == false && Cache[F.TargetPkg()].InstallVer != 0 && - VisitNode(F.TargetPkg()) == true) + VisitNode(F.TargetPkg(), "Remove-Target") == true) { Flag(F.TargetPkg(), Immediate); tryFixDeps = false; @@ -974,7 +1010,7 @@ bool pkgOrderList::DepRemove(DepIterator D) if (IsFlag(Prv.OwnerPkg(), InList) == true && IsFlag(Prv.OwnerPkg(), AddPending) == false && Cache[Prv.OwnerPkg()].InstallVer != 0 && - VisitNode(Prv.OwnerPkg()) == true) + VisitNode(Prv.OwnerPkg(), "Remove-Owner") == true) { Flag(Prv.OwnerPkg(), Immediate); tryFixDeps = false; @@ -994,7 +1030,7 @@ bool pkgOrderList::DepRemove(DepIterator D) if (IsMissing(D.ParentPkg()) == true) continue; - if (VisitNode(D.ParentPkg()) == false) + if (VisitNode(D.ParentPkg(), "Remove-Parent") == false) return false; } @@ -1023,6 +1059,8 @@ bool pkgOrderList::AddLoop(DepIterator D) // Mark the packages as being part of a loop. //Flag(D.TargetPkg(),Loop); //Flag(D.ParentPkg(),Loop); + /* This is currently disabled because the Loop flag is being used for + loop management in the package manager. Check the orderlist.h file for more info */ return true; } /*}}}*/