X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/28166356f30ad13729f7f952e6f1fc6131036591..545ba6bdd8cb77ceca6b9fdc935db2accbea3493:/apt-pkg/depcache.cc diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index fba6ad054..2656e9b42 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -8,28 +8,35 @@ ##################################################################### */ /*}}}*/ // 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 /*}}}*/ + +using std::string; + // helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/ static bool ConfigValueInSubTree(const char* SubTree, const char *needle) @@ -70,7 +77,7 @@ void pkgDepCache::ActionGroup::release() cache.MarkAndSweep(); } - released = false; + released = true; } } @@ -129,7 +136,7 @@ bool pkgDepCache::Init(OpProgress *Prog) /* Set the current state of everything. In this state all of the packages are kept exactly as is. See AllUpgrade */ int Done = 0; - for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++) + for (PkgIterator I = PkgBegin(); I.end() != true; ++I, ++Done) { if (Prog != 0 && Done%20 == 0) Prog->Progress(Done); @@ -169,14 +176,14 @@ bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/ string const state = _config->FindFile("Dir::State::extended_states"); if(RealFileExists(state)) { state_file.Open(state, FileFd::ReadOnly); - int const file_size = state_file.Size(); + off_t const file_size = state_file.Size(); if(Prog != NULL) Prog->OverallProgress(0, file_size, 1, _("Reading state information")); pkgTagFile tagfile(&state_file); pkgTagSection section; - int amt = 0; + off_t amt = 0; bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false); while(tagfile.Step(section)) { string const pkgname = section.FindS("Package"); @@ -292,7 +299,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ // then write the ones we have not seen yet std::ostringstream ostr; - for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); pkg++) { + for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); ++pkg) { StateCache const &P = PkgState[pkg->ID]; if(P.Flags & Flag::Auto) { if (pkgs_seen.find(pkg.FullName()) != pkgs_seen.end()) { @@ -339,8 +346,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res) /* Check simple depends. A depends -should- never self match but we allow it anyhow because dpkg does. Technically it is a packaging bug. Conflicts may never self match */ - if (Dep.TargetPkg() != Dep.ParentPkg() || - (Dep->Type != Dep::Conflicts && Dep->Type != Dep::DpkgBreaks && Dep->Type != Dep::Obsoletes)) + if (Dep.TargetPkg() != Dep.ParentPkg() || Dep.IsNegative() == false) { PkgIterator Pkg = Dep.TargetPkg(); // Check the base package @@ -365,15 +371,11 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res) // Check the providing packages PrvIterator P = Dep.TargetPkg().ProvidesList(); - PkgIterator Pkg = Dep.ParentPkg(); - for (; P.end() != true; P++) + for (; P.end() != true; ++P) { - /* Provides may never be applied against the same package (or group) - if it is a conflicts. See the comment above. */ - if (P.OwnerPkg()->Group == Pkg->Group && - (Dep->Type == Dep::Conflicts || Dep->Type == Dep::DpkgBreaks)) + if (Dep.IsIgnorable(P) == true) continue; - + // Check if the provides is a hit if (Type == NowVersion) { @@ -408,60 +410,8 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res) /*}}}*/ // DepCache::AddSizes - Add the packages sizes to the counters /*{{{*/ // --------------------------------------------------------------------- -/* Call with Mult = -1 to preform the inverse opration - The Mult increases the complexity of the calulations here and is unused - - or do we really have a usecase for removing the size of a package two - times? So let us replace it with a simple bool and be done with it… */ -__deprecated void pkgDepCache::AddSizes(const PkgIterator &Pkg,signed long Mult) -{ - StateCache &P = PkgState[Pkg->ID]; - - if (Pkg->VersionList == 0) - return; - - if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && - P.Keep() == true) - return; - - // Compute the size data - if (P.NewInstall() == true) - { - iUsrSize += (signed long long)(Mult*P.InstVerIter(*this)->InstalledSize); - iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size); - return; - } - - // Upgrading - if (Pkg->CurrentVer != 0 && - (P.InstallVer != (Version *)Pkg.CurrentVer() || - (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0) - { - iUsrSize += (signed long long)(Mult*((signed long long)P.InstVerIter(*this)->InstalledSize - - (signed long long)Pkg.CurrentVer()->InstalledSize)); - iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size); - return; - } - - // Reinstall - if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack && - P.Delete() == false) - { - iDownloadSize += (signed long long)(Mult*P.InstVerIter(*this)->Size); - return; - } - - // Removing - if (Pkg->CurrentVer != 0 && P.InstallVer == 0) - { - iUsrSize -= (signed long long)(Mult*Pkg.CurrentVer()->InstalledSize); - return; - } -} - /*}}}*/ -// DepCache::AddSizes - Add the packages sizes to the counters /*{{{*/ -// --------------------------------------------------------------------- /* Call with Inverse = true to preform the inverse opration */ -void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const &Inverse) +void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const Inverse) { StateCache &P = PkgState[Pkg->ID]; @@ -532,8 +482,9 @@ void pkgDepCache::AddSizes(const PkgIterator &Pkg, bool const &Inverse) calld Remove/Add itself. Remember, dependencies can be circular so while processing a dep for Pkg it is possible that Add/Remove will be called on Pkg */ -void pkgDepCache::AddStates(const PkgIterator &Pkg,int Add) +void pkgDepCache::AddStates(const PkgIterator &Pkg, bool const Invert) { + signed char const Add = (Invert == false) ? 1 : -1; StateCache &State = PkgState[Pkg->ID]; // The Package is broken (either minimal dep or policy dep) @@ -549,8 +500,8 @@ void pkgDepCache::AddStates(const PkgIterator &Pkg,int Add) // Not installed if (Pkg->CurrentVer == 0) { - if (State.Mode == ModeDelete && - (State.iFlags | Purge) == Purge && Pkg.Purge() == false) + if (State.Mode == ModeDelete && + (State.iFlags & Purge) == Purge && Pkg.Purge() == false) iDelCount += Add; if (State.Mode == ModeInstall) @@ -587,16 +538,14 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V) { unsigned char Group = 0; - for (DepIterator D = V.DependsList(); D.end() != true; D++) + for (DepIterator D = V.DependsList(); D.end() != true; ++D) { // Build the dependency state. unsigned char &State = DepState[D->ID]; /* Invert for Conflicts. We have to do this twice to get the right sense for a conflicts group */ - if (D->Type == Dep::Conflicts || - D->Type == Dep::DpkgBreaks || - D->Type == Dep::Obsoletes) + if (D.IsNegative() == true) State = ~State; // Add to the group if we are within an or.. @@ -607,9 +556,7 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V) Group = 0; // Invert for Conflicts - if (D->Type == Dep::Conflicts || - D->Type == Dep::DpkgBreaks || - D->Type == Dep::Obsoletes) + if (D.IsNegative() == true) State = ~State; } } @@ -631,7 +578,7 @@ unsigned char pkgDepCache::VersionState(DepIterator D,unsigned char Check, // Compute a single dependency element (glob or) DepIterator Start = D; unsigned char State = 0; - for (bool LastOR = true; D.end() == false && LastOR == true; D++) + for (bool LastOR = true; D.end() == false && LastOR == true; ++D) { State |= DepState[D->ID]; LastOR = (D->CompareOp & Dep::Or) == Dep::Or; @@ -721,15 +668,15 @@ void pkgDepCache::Update(OpProgress *Prog) // Perform the depends pass int Done = 0; - for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++) + for (PkgIterator I = PkgBegin(); I.end() != true; ++I, ++Done) { if (Prog != 0 && Done%20 == 0) Prog->Progress(Done); - for (VerIterator V = I.VersionList(); V.end() != true; V++) + for (VerIterator V = I.VersionList(); V.end() != true; ++V) { unsigned char Group = 0; - for (DepIterator D = V.DependsList(); D.end() != true; D++) + for (DepIterator D = V.DependsList(); D.end() != true; ++D) { // Build the dependency state. unsigned char &State = DepState[D->ID]; @@ -742,9 +689,7 @@ void pkgDepCache::Update(OpProgress *Prog) Group = 0; // Invert for Conflicts - if (D->Type == Dep::Conflicts || - D->Type == Dep::DpkgBreaks || - D->Type == Dep::Obsoletes) + if (D.IsNegative() == true) State = ~State; } } @@ -768,15 +713,13 @@ void pkgDepCache::Update(OpProgress *Prog) void pkgDepCache::Update(DepIterator D) { // Update the reverse deps - for (;D.end() != true; D++) + for (;D.end() != true; ++D) { unsigned char &State = DepState[D->ID]; State = DependencyState(D); // Invert for Conflicts - if (D->Type == Dep::Conflicts || - D->Type == Dep::DpkgBreaks || - D->Type == Dep::Obsoletes) + if (D.IsNegative() == true) State = ~State; RemoveStates(D.ParentPkg()); @@ -803,50 +746,46 @@ void pkgDepCache::Update(PkgIterator const &Pkg) // Update the provides map for the current ver if (Pkg->CurrentVer != 0) for (PrvIterator P = Pkg.CurrentVer().ProvidesList(); - P.end() != true; P++) + P.end() != true; ++P) Update(P.ParentPkg().RevDependsList()); // Update the provides map for the candidate ver if (PkgState[Pkg->ID].CandidateVer != 0) for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList(); - P.end() != true; P++) + P.end() != true; ++P) Update(P.ParentPkg().RevDependsList()); } /*}}}*/ // DepCache::MarkKeep - Put the package in the keep state /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser, +bool pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser, unsigned long Depth) { - // Simplifies other routines. - if (Pkg.end() == true) - return; + if (IsModeChangeOk(ModeKeep, Pkg, Depth, FromUser) == false) + return false; /* Reject an attempt to keep a non-source broken installed package, those must be upgraded */ if (Pkg.State() == PkgIterator::NeedsUnpack && Pkg.CurrentVer().Downloadable() == false) - return; - - /** \todo Can this be moved later in the method? */ - ActionGroup group(*this); + return false; /* We changed the soft state all the time so the UI is a bit nicer to use */ StateCache &P = PkgState[Pkg->ID]; + + // Check that it is not already kept + if (P.Mode == ModeKeep) + return true; + if (Soft == true) P.iFlags |= AutoKept; else P.iFlags &= ~AutoKept; - - // Check that it is not already kept - if (P.Mode == ModeKeep) - return; - // We dont even try to keep virtual packages.. - if (Pkg->VersionList == 0) - return; + ActionGroup group(*this); + #if 0 // reseting the autoflag here means we lose the // auto-mark information if a user selects a package for removal // but changes his mind then and sets it for keep again @@ -871,41 +810,37 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser, P.InstallVer = Pkg.CurrentVer(); AddStates(Pkg); - Update(Pkg); - AddSizes(Pkg); + + return true; } /*}}}*/ // DepCache::MarkDelete - Put the package in the delete state /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, +bool pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, unsigned long Depth, bool FromUser) { - // Simplifies other routines. - if (Pkg.end() == true) - return; + if (IsModeChangeOk(ModeDelete, Pkg, Depth, FromUser) == false) + return false; - ActionGroup group(*this); + StateCache &P = PkgState[Pkg->ID]; // Check that it is not already marked for delete - StateCache &P = PkgState[Pkg->ID]; - P.iFlags &= ~(AutoKept | Purge); - if (rPurge == true) - P.iFlags |= Purge; - if ((P.Mode == ModeDelete || P.InstallVer == 0) && (Pkg.Purge() == true || rPurge == false)) - return; - - // We dont even try to delete virtual packages.. - if (Pkg->VersionList == 0) - return; + return true; - // check if we are allowed to install the package + // check if we are allowed to remove the package if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false) - return; + return false; + + P.iFlags &= ~(AutoKept | Purge); + if (rPurge == true) + P.iFlags |= Purge; + + ActionGroup group(*this); if (DebugMarker == true) std::clog << OutputInDepth(Depth) << (rPurge ? "MarkPurge " : "MarkDelete ") << Pkg << " FU=" << FromUser << std::endl; @@ -923,23 +858,17 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, Update(Pkg); AddSizes(Pkg); + return true; } /*}}}*/ // DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/ // --------------------------------------------------------------------- -/* The default implementation just honors dpkg hold - But an application using this library can override this method - to control the MarkDelete behaviour */ +/* The default implementation tries to prevent deletion of install requests. + dpkg holds are enforced by the private IsModeChangeOk */ bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge, unsigned long Depth, bool FromUser) { - if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false) - { - if (DebugMarker == true) - std::clog << OutputInDepth(Depth) << "Hold prevents MarkDelete of " << Pkg << " FU=" << FromUser << std::endl; - return false; - } - else if (FromUser == false && Pkg->CurrentVer == 0) + if (FromUser == false && Pkg->CurrentVer == 0) { StateCache &P = PkgState[Pkg->ID]; if (P.InstallVer != 0 && P.Status == 2 && (P.Flags & Flag::Auto) != Flag::Auto) @@ -949,48 +878,149 @@ bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge, return false; } } + return true; +} + /*}}}*/ +// DepCache::IsModeChangeOk - check if it is ok to change the mode /*{{{*/ +// --------------------------------------------------------------------- +/* this is used by all Mark methods on the very first line to check sanity + and prevents mode changes for packages on hold for example. + If you want to check Mode specific stuff you can use the virtual public + IsOk methods instead */ +char const* PrintMode(char const mode) +{ + switch (mode) + { + case pkgDepCache::ModeInstall: return "Install"; + case pkgDepCache::ModeKeep: return "Keep"; + case pkgDepCache::ModeDelete: return "Delete"; + default: return "UNKNOWN"; + } +} +bool pkgDepCache::IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg, + unsigned long const Depth, bool const FromUser) +{ + // we are not trying to hard… + if (unlikely(Depth > 100)) + return false; + + // general sanity + if (unlikely(Pkg.end() == true || Pkg->VersionList == 0)) + return false; + + // the user is always right + if (FromUser == true) + return true; + + StateCache &P = PkgState[Pkg->ID]; + + // if previous state was set by user only user can reset it + if ((P.iFlags & Protected) == Protected) + { + if (unlikely(DebugMarker == true) && P.Mode != mode) + std::clog << OutputInDepth(Depth) << "Ignore Mark" << PrintMode(mode) + << " of " << Pkg << " as its mode (" << PrintMode(P.Mode) + << ") is protected" << std::endl; + return false; + } + // enforce dpkg holds + else if (mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold && + _config->FindB("APT::Ignore-Hold",false) == false) + { + if (unlikely(DebugMarker == true) && P.Mode != mode) + std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode) + << " of " << Pkg << std::endl; + return false; + } + return true; } /*}}}*/ // DepCache::MarkInstall - Put the package in the install state /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, +struct CompareProviders { + pkgCache::PkgIterator const Pkg; + CompareProviders(pkgCache::DepIterator const &Dep) : Pkg(Dep.TargetPkg()) {}; + //bool operator() (APT::VersionList::iterator const &AV, APT::VersionList::iterator const &BV) + bool operator() (pkgCache::VerIterator const &AV, pkgCache::VerIterator const &BV) + { + pkgCache::PkgIterator const A = AV.ParentPkg(); + pkgCache::PkgIterator const B = BV.ParentPkg(); + // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64 + if (A->Group != B->Group) + { + if (A->Group == Pkg->Group && B->Group != Pkg->Group) + return false; + else if (B->Group == Pkg->Group && A->Group != Pkg->Group) + return true; + } + // we like essentials + if ((A->Flags & pkgCache::Flag::Essential) != (B->Flags & pkgCache::Flag::Essential)) + { + if ((A->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + return false; + else if ((B->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + return true; + } + if ((A->Flags & pkgCache::Flag::Important) != (B->Flags & pkgCache::Flag::Important)) + { + if ((A->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) + return false; + else if ((B->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) + return true; + } + // higher priority seems like a good idea + if (AV->Priority != BV->Priority) + return AV->Priority < BV->Priority; + // prefer native architecture + if (strcmp(A.Arch(), B.Arch()) != 0) + { + if (strcmp(A.Arch(), A.Cache()->NativeArch()) == 0) + return false; + else if (strcmp(B.Arch(), B.Cache()->NativeArch()) == 0) + return true; + std::vector archs = APT::Configuration::getArchitectures(); + for (std::vector::const_iterator a = archs.begin(); a != archs.end(); ++a) + if (*a == A.Arch()) + return false; + else if (*a == B.Arch()) + return true; + } + // unable to decide… + return A->ID < B->ID; + } +}; +bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, unsigned long Depth, bool FromUser, bool ForceImportantDeps) { - if (Depth > 100) - return; - - // Simplifies other routines. - if (Pkg.end() == true) - return; - - ActionGroup group(*this); + if (IsModeChangeOk(ModeInstall, Pkg, Depth, FromUser) == false) + return false; + + StateCache &P = PkgState[Pkg->ID]; + + // See if there is even any possible instalation candidate + if (P.CandidateVer == 0) + return false; /* Check that it is not already marked for install and that it can be installed */ - StateCache &P = PkgState[Pkg->ID]; - P.iFlags &= ~AutoKept; if ((P.InstPolicyBroken() == false && P.InstBroken() == false) && (P.Mode == ModeInstall || P.CandidateVer == (Version *)Pkg.CurrentVer())) { if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0) - MarkKeep(Pkg, false, FromUser, Depth+1); - return; + return MarkKeep(Pkg, false, FromUser, Depth+1); + return true; } - // See if there is even any possible instalation candidate - if (P.CandidateVer == 0) - return; - // We dont even try to install virtual packages.. - if (Pkg->VersionList == 0) - return; - // check if we are allowed to install the package if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false) - return; + return false; + + ActionGroup group(*this); + P.iFlags &= ~AutoKept; /* Target the candidate version and remove the autoflag. We reset the autoflag below if this was called recursively. Otherwise the user @@ -1022,8 +1052,8 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, Update(Pkg); AddSizes(Pkg); - if (AutoInst == false) - return; + if (AutoInst == false || _config->Find("APT::Solver", "internal") != "internal") + return true; if (DebugMarker == true) std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << " FU=" << FromUser << std::endl; @@ -1035,7 +1065,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, DepIterator Start = Dep; bool Result = true; unsigned Ors = 0; - for (bool LastOR = true; Dep.end() == false && LastOR == true; Dep++,Ors++) + for (bool LastOR = true; Dep.end() == false && LastOR == true; ++Dep, ++Ors) { LastOR = (Dep->CompareOp & Dep::Or) == Dep::Or; @@ -1054,7 +1084,22 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, */ if (IsImportantDep(Start) == false) continue; - + + /* If we are in an or group locate the first or that can + succeed. We have already cached this.. */ + for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; --Ors) + ++Start; + if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer && Start.IsNegative() == false) + { + if(DebugAutoInstall == true) + std::clog << OutputInDepth(Depth) << Start << " can't be satisfied!" << std::endl; + if (Start.IsCritical() == false) + continue; + // if the dependency was critical, we can't install it, so remove it again + MarkDelete(Pkg,false,Depth + 1, false); + return false; + } + /* Check if any ImportantDep() (but not Critical) were added * since we installed the package. Also check for deps that * were satisfied in the past: for instance, if a version @@ -1062,95 +1107,73 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, * package should follow that Recommends rather than causing the * dependency to be removed. (bug #470115) */ - bool isNewImportantDep = false; - bool isPreviouslySatisfiedImportantDep = false; - if(!ForceImportantDeps && !Start.IsCritical()) + if (Pkg->CurrentVer != 0 && ForceImportantDeps == false && Start.IsCritical() == false) { - bool found=false; - VerIterator instVer = Pkg.CurrentVer(); - if(!instVer.end()) + bool isNewImportantDep = true; + bool isPreviouslySatisfiedImportantDep = false; + for (DepIterator D = Pkg.CurrentVer().DependsList(); D.end() != true; ++D) { - for (DepIterator D = instVer.DependsList(); D.end() != true; D++) - { - //FIXME: deal better with or-groups(?) - if(IsImportantDep(D) && !D.IsCritical() && - Start.TargetPkg() == D.TargetPkg()) - { - if(!isPreviouslySatisfiedImportantDep) - { - DepIterator D2 = D; - while((D2->CompareOp & Dep::Or) != 0) - ++D2; - - isPreviouslySatisfiedImportantDep = - (((*this)[D2] & DepGNow) != 0); - } - - found=true; - } - } - // this is a new dep if it was not found to be already - // a important dep of the installed pacakge - isNewImportantDep = !found; + //FIXME: Should we handle or-group better here? + // We do not check if the package we look for is part of the same or-group + // we might find while searching, but could that really be a problem? + if (D.IsCritical() == true || IsImportantDep(D) == false || + Start.TargetPkg() != D.TargetPkg()) + continue; + + isNewImportantDep = false; + + while ((D->CompareOp & Dep::Or) != 0) + ++D; + + isPreviouslySatisfiedImportantDep = (((*this)[D] & DepGNow) != 0); + if (isPreviouslySatisfiedImportantDep == true) + break; + } + + if(isNewImportantDep == true) + { + if (DebugAutoInstall == true) + std::clog << OutputInDepth(Depth) << "new important dependency: " + << Start.TargetPkg().FullName() << std::endl; + } + else if(isPreviouslySatisfiedImportantDep == true) + { + if (DebugAutoInstall == true) + std::clog << OutputInDepth(Depth) << "previously satisfied important dependency on " + << Start.TargetPkg().FullName() << std::endl; + } + else + { + if (DebugAutoInstall == true) + std::clog << OutputInDepth(Depth) << "ignore old unsatisfied important dependency on " + << Start.TargetPkg().FullName() << std::endl; + continue; } } - if(isNewImportantDep) - if(DebugAutoInstall == true) - std::clog << OutputInDepth(Depth) << "new important dependency: " - << Start.TargetPkg().Name() << std::endl; - if(isPreviouslySatisfiedImportantDep) - if(DebugAutoInstall == true) - std::clog << OutputInDepth(Depth) << "previously satisfied important dependency on " - << Start.TargetPkg().Name() << std::endl; - - // skip important deps if the package is already installed - if (Pkg->CurrentVer != 0 && Start.IsCritical() == false - && !isNewImportantDep && !isPreviouslySatisfiedImportantDep - && !ForceImportantDeps) - continue; - - /* If we are in an or group locate the first or that can - succeed. We have already cached this.. */ - for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; Ors--) - Start++; /* This bit is for processing the possibilty of an install/upgrade - fixing the problem */ - SPtrArray List = Start.AllTargets(); - if (Start->Type != Dep::DpkgBreaks && - (DepState[Start->ID] & DepCVer) == DepCVer) + fixing the problem for "positive" dependencies */ + if (Start.IsNegative() == false && (DepState[Start->ID] & DepCVer) == DepCVer) { - // Right, find the best version to install.. - Version **Cur = List; - PkgIterator P = Start.TargetPkg(); - PkgIterator InstPkg(*Cache,0); - - // See if there are direct matches (at the start of the list) - for (; *Cur != 0 && (*Cur)->ParentPkg == P.Index(); Cur++) + APT::VersionList verlist; + pkgCache::VerIterator Cand = PkgState[Start.TargetPkg()->ID].CandidateVerIter(*this); + if (Cand.end() == false && VS().CheckDep(Cand.VerStr(), Start->CompareOp, Start.TargetVer()) == true) + verlist.insert(Cand); + for (PrvIterator Prv = Start.TargetPkg().ProvidesList(); Prv.end() != true; ++Prv) { - PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg); - if (PkgState[Pkg->ID].CandidateVer != *Cur) + pkgCache::VerIterator V = Prv.OwnerVer(); + pkgCache::VerIterator Cand = PkgState[Prv.OwnerPkg()->ID].CandidateVerIter(*this); + if (Cand.end() == true || V != Cand || + VS().CheckDep(Prv.ProvideVersion(), Start->CompareOp, Start.TargetVer()) == false) continue; - InstPkg = Pkg; - break; + verlist.insert(Cand); } + CompareProviders comp(Start); + APT::VersionList::iterator InstVer = std::max_element(verlist.begin(), verlist.end(), comp); - // Select the highest priority providing package - if (InstPkg.end() == true) - { - pkgPrioSortList(*Cache,Cur); - for (; *Cur != 0; Cur++) - { - PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg); - if (PkgState[Pkg->ID].CandidateVer != *Cur) - continue; - InstPkg = Pkg; - break; - } - } - - if (InstPkg.end() == false) + if (InstVer != verlist.end()) { + pkgCache::PkgIterator InstPkg = InstVer.ParentPkg(); if(DebugAutoInstall == true) std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name() << " as " << Start.DepType() << " of " << Pkg.Name() @@ -1168,19 +1191,19 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, // mark automatic dependency MarkInstall(InstPkg,true,Depth + 1, false, ForceImportantDeps); // Set the autoflag, after MarkInstall because MarkInstall unsets it - if (P->CurrentVer == 0) + if (InstPkg->CurrentVer == 0) PkgState[InstPkg->ID].Flags |= Flag::Auto; } } continue; } - - /* For conflicts we just de-install the package and mark as auto, - Conflicts may not have or groups. For dpkg's Breaks we try to - upgrade the package. */ - if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes || - Start->Type == Dep::DpkgBreaks) + /* Negative dependencies have no or-group + If the dependency isn't versioned, we try if an upgrade might solve the problem. + Otherwise we remove the offender if needed */ + else if (Start.IsNegative() == true && Start->Type != pkgCache::Dep::Obsoletes) { + SPtrArray List = Start.AllTargets(); + pkgCache::PkgIterator TrgPkg = Start.TargetPkg(); for (Version **I = List; *I != 0; I++) { VerIterator Ver(*this,*I); @@ -1191,31 +1214,29 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, if (PkgState[Pkg->ID].InstallVer == 0) continue; - if (PkgState[Pkg->ID].CandidateVer != *I && - Start->Type == Dep::DpkgBreaks) - MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps); - else - MarkDelete(Pkg,false,Depth + 1, false); + if ((Start->Version != 0 || TrgPkg != Pkg) && + PkgState[Pkg->ID].CandidateVer != PkgState[Pkg->ID].InstallVer && + PkgState[Pkg->ID].CandidateVer != *I && + MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps) == true) + continue; + else if ((Start->Type == pkgCache::Dep::Conflicts || Start->Type == pkgCache::Dep::DpkgBreaks) && + MarkDelete(Pkg,false,Depth + 1, false) == false) + break; } continue; - } + } } + + return Dep.end() == true; } /*}}}*/ // DepCache::IsInstallOk - check if it is ok to install this package /*{{{*/ // --------------------------------------------------------------------- -/* The default implementation just honors dpkg hold - But an application using this library can override this method - to control the MarkInstall behaviour */ +/* The default implementation does nothing. + dpkg holds are enforced by the private IsModeChangeOk */ bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst, unsigned long Depth, bool FromUser) { - if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false) - { - if (DebugMarker == true) - std::clog << OutputInDepth(Depth) << "Hold prevents MarkInstall of " << Pkg << " FU=" << FromUser << std::endl; - return false; - } return true; } /*}}}*/ @@ -1227,30 +1248,42 @@ void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To) if (unlikely(Pkg.end() == true)) return; + APT::PackageList pkglist; + if (Pkg->CurrentVer != 0 && + (Pkg.CurrentVer()-> MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) + { + pkgCache::GrpIterator Grp = Pkg.Group(); + for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P)) + { + if (P->CurrentVer != 0) + pkglist.insert(P); + } + } + else + pkglist.insert(Pkg); + ActionGroup group(*this); - RemoveSizes(Pkg); - RemoveStates(Pkg); - - StateCache &P = PkgState[Pkg->ID]; - if (To == true) - P.iFlags |= ReInstall; - else - P.iFlags &= ~ReInstall; - - AddStates(Pkg); - AddSizes(Pkg); + for (APT::PackageList::const_iterator Pkg = pkglist.begin(); Pkg != pkglist.end(); ++Pkg) + { + RemoveSizes(Pkg); + RemoveStates(Pkg); - if (unlikely(Pkg.CurrentVer().end() == true)) - return; + StateCache &P = PkgState[Pkg->ID]; + if (To == true) + P.iFlags |= ReInstall; + else + P.iFlags &= ~ReInstall; - SetReInstall(Pkg.Group().FindPkg("all"), To); + AddStates(Pkg); + AddSizes(Pkg); + } } /*}}}*/ // DepCache::SetCandidateVersion - Change the candidate version /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo) +void pkgDepCache::SetCandidateVersion(VerIterator TargetVer) { pkgCache::PkgIterator Pkg = TargetVer.ParentPkg(); StateCache &P = PkgState[Pkg->ID]; @@ -1504,12 +1537,12 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator const &Pk unless they are already installed */ VerIterator Last(*(pkgCache *)this,0); - for (VerIterator I = Pkg.VersionList(); I.end() == false; I++) + for (VerIterator I = Pkg.VersionList(); I.end() == false; ++I) { if (Pkg.CurrentVer() == I) return I; - for (VerFileIterator J = I.FileList(); J.end() == false; J++) + for (VerFileIterator J = I.FileList(); J.end() == false; ++J) { if ((J.File()->Flags & Flag::NotSource) != 0) continue; @@ -1540,7 +1573,7 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep) return true; else if(Dep->Type == pkgCache::Dep::Recommends) { - if ( _config->FindB("APT::Install-Recommends", false)) + if (InstallRecommends) return true; // we suport a special mode to only install-recommends for certain // sections @@ -1551,11 +1584,17 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep) return true; } else if(Dep->Type == pkgCache::Dep::Suggests) - return _config->FindB("APT::Install-Suggests", false); + return InstallSuggests; return false; } /*}}}*/ +// Policy::GetPriority - Get the priority of the package pin /*{{{*/ +signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const &Pkg) +{ return 0; }; +signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const &File) +{ return 0; }; + /*}}}*/ pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() /*{{{*/ { DefaultRootSetFunc *f = new DefaultRootSetFunc; @@ -1575,12 +1614,15 @@ bool pkgDepCache::MarkFollowsRecommends() bool pkgDepCache::MarkFollowsSuggests() { - return _config->FindB("APT::AutoRemove::SuggestsImportant", false); + return _config->FindB("APT::AutoRemove::SuggestsImportant", true); } // pkgDepCache::MarkRequired - the main mark algorithm /*{{{*/ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) { + if (_config->Find("APT::Solver", "internal") != "internal") + return true; + bool follow_recommends; bool follow_suggests; bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false); @@ -1607,6 +1649,7 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) { if(!(PkgState[p->ID].Flags & Flag::Auto) || (p->Flags & Flag::Essential) || + (p->Flags & Flag::Important) || userFunc.InRootSet(p) || // be nice even then a required package violates the policy (#583517) // and do the full mark process also for required packages