X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6c139d6e362f04a1582e8a8f511f8aeab031fecf..22dcc318d978813b3c4d1ae1a1f41933d0e1d69b:/apt-pkg/depcache.cc?ds=inline diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index a7784c0a5..366687382 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: depcache.cc,v 1.1 1998/07/07 04:17:01 jgg Exp $ +// $Id: depcache.cc,v 1.25 2001/05/27 05:36:04 jgg Exp $ /* ###################################################################### Dependency Cache - Caches Dependency information. @@ -9,22 +9,33 @@ /*}}}*/ // Include Files /*{{{*/ #ifdef __GNUG__ -#pragma implementation "pkglib/depcache.h" +#pragma implementation "apt-pkg/depcache.h" #endif -#include - -#include -#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include /*}}}*/ // DepCache::pkgDepCache - Constructors /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgDepCache::pkgDepCache(MMap &Map) : - pkgCache(Map), PkgState(0), DepState(0) +pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) : + Cache(pCache), PkgState(0), DepState(0) { - if (_error->PendingError() == false) - Init(); + delLocalPolicy = 0; + LocalPolicy = Plcy; + if (LocalPolicy == 0) + delLocalPolicy = LocalPolicy = new Policy; } /*}}}*/ // DepCache::~pkgDepCache - Destructor /*{{{*/ @@ -34,25 +45,13 @@ pkgDepCache::~pkgDepCache() { delete [] PkgState; delete [] DepState; -} - /*}}}*/ -// DepCache::ReMap - Regenerate the extra data for the new cache /*{{{*/ -// --------------------------------------------------------------------- -/* pkgCache's constructors call this function, but because the object is not - fully constructed at that point it will not result in this function being - called but pkgCache::ReMap will be instead.*/ -bool pkgDepCache::ReMap() -{ - if (pkgCache::ReMap() == false) - return false; - - return Init(); + delete delLocalPolicy; } /*}}}*/ // DepCache::Init - Generate the initial extra structures. /*{{{*/ // --------------------------------------------------------------------- /* This allocats the extension buffers and initializes them. */ -bool pkgDepCache::Init() +bool pkgDepCache::Init(OpProgress *Prog) { delete [] PkgState; delete [] DepState; @@ -60,15 +59,26 @@ bool pkgDepCache::Init() DepState = new unsigned char[Head().DependsCount]; memset(PkgState,0,sizeof(*PkgState)*Head().PackageCount); memset(DepState,0,sizeof(*DepState)*Head().DependsCount); + + if (Prog != 0) + { + Prog->OverallProgress(0,2*Head().PackageCount,Head().PackageCount, + _("Building dependency tree")); + Prog->SubProgress(Head().PackageCount,_("Candidate versions")); + } /* Set the current state of everything. In this state all of the packages are kept exactly as is. See AllUpgrade */ - for (PkgIterator I = PkgBegin(); I.end() != true; I++) + int Done = 0; + for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++) { + if (Prog != 0) + Prog->Progress(Done); + // Find the proper cache slot StateCache &State = PkgState[I->ID]; State.iFlags = 0; - + // Figure out the install version State.CandidateVer = GetCandidateVer(I); State.InstallVer = I.CurrentVer(); @@ -77,45 +87,90 @@ bool pkgDepCache::Init() State.Update(I,*this); } - Update(); + if (Prog != 0) + { + + Prog->OverallProgress(Head().PackageCount,2*Head().PackageCount, + Head().PackageCount, + _("Building dependency tree")); + Prog->SubProgress(Head().PackageCount,_("Dependency generation")); + } + + Update(Prog); + + if(Prog != 0) + Prog->Done(); return true; } /*}}}*/ -// DepCache::GetCandidateVer - Returns the Candidate install version /*{{{*/ -// --------------------------------------------------------------------- -/* The default just returns the target version if it exists or the - highest version. */ -pkgDepCache::VerIterator pkgDepCache::GetCandidateVer(PkgIterator Pkg) + +bool pkgDepCache::readStateFile(OpProgress *Prog) { - // Try to use an explicit target - if (Pkg->TargetVer == 0) - { - /* Not source versions cannot be a candidate version unless they - are already installed */ - for (VerIterator I = Pkg.VersionList(); I.end() == false; I++) - { - if (Pkg.CurrentVer() == I) - return I; - for (VerFileIterator J = I.FileList(); J.end() == false; J++) - if ((J.File()->Flags & Flag::NotSource) == 0) - return I; + FileFd state_file; + string state = _config->FindDir("Dir::State") + "pkgstates"; + if(FileExists(state)) { + state_file.Open(state, FileFd::ReadOnly); + int 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; + while(tagfile.Step(section)) { + string pkgname = section.FindS("Package"); + pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname); + // Silently ignore unknown packages and packages with no actual + // version. + if(!pkg.end() && !pkg.VersionList().end()) { + short reason = section.FindI("Install-Reason", 0); + if(reason > 0) + PkgState[pkg->ID].Flags |= pkgCache::Flag::Auto; + if(_config->FindB("Debug::pkgAutoRemove",false)) + std::cout << "Install-Reason for: " << pkgname + << " is " << reason << std::endl; + amt+=section.size(); + if(Prog != NULL) + Prog->OverallProgress(amt, file_size, 1, + _("Reading state information")); + } + if(Prog != NULL) + Prog->OverallProgress(file_size, file_size, 1, + _("Reading state information")); } - - return VerIterator(*this,0); } - else - return Pkg.TargetVer(); + + return true; } - /*}}}*/ -// DepCache::IsImportantDep - True if the dependency is important /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool pkgDepCache::IsImportantDep(DepIterator Dep) + +bool pkgDepCache::writeStateFile(OpProgress *prog) { - return Dep.IsCritical(); + FileFd StateFile; + string state = _config->FindDir("Dir::State") + "pkgstates"; + + if(_config->FindB("Debug::pkgAutoRemove",false)) + std::clog << "pkgDepCache::writeStateFile()" << std::endl; + + if(!StateFile.Open(state, FileFd::WriteEmpty)) + return _error->Error(_("Failed to write StateFile %s"), + state.c_str()); + + std::ostringstream ostr; + for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end();pkg++) { + + if(PkgState[pkg->ID].Flags & pkgCache::Flag::Auto) { + if(_config->FindB("Debug::pkgAutoRemove",false)) + std::clog << "AutoInstal: " << pkg.Name() << std::endl; + ostr.str(string("")); + ostr << "Package: " << pkg.Name() + << "\nInstall-Reason: 1\n\n"; + StateFile.Write(ostr.str().c_str(), ostr.str().size()); + } + } + return true; } - /*}}}*/ // DepCache::CheckDep - Checks a single dependency /*{{{*/ // --------------------------------------------------------------------- @@ -130,28 +185,30 @@ 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) + if (Dep.TargetPkg() != Dep.ParentPkg() || + (Dep->Type != Dep::Conflicts && Dep->Type != Dep::Obsoletes)) { PkgIterator Pkg = Dep.TargetPkg(); // Check the base package if (Type == NowVersion && Pkg->CurrentVer != 0) - if (pkgCheckDep(Dep.TargetVer(), - Pkg.CurrentVer().VerStr(),Dep->CompareOp) == true) + if (VS().CheckDep(Pkg.CurrentVer().VerStr(),Dep->CompareOp, + Dep.TargetVer()) == true) return true; if (Type == InstallVersion && PkgState[Pkg->ID].InstallVer != 0) - if (pkgCheckDep(Dep.TargetVer(), - PkgState[Pkg->ID].InstVerIter(*this).VerStr(), - Dep->CompareOp) == true) + if (VS().CheckDep(PkgState[Pkg->ID].InstVerIter(*this).VerStr(), + Dep->CompareOp,Dep.TargetVer()) == true) return true; if (Type == CandidateVersion && PkgState[Pkg->ID].CandidateVer != 0) - if (pkgCheckDep(Dep.TargetVer(), - PkgState[Pkg->ID].CandidateVerIter(*this).VerStr(), - Dep->CompareOp) == true) + if (VS().CheckDep(PkgState[Pkg->ID].CandidateVerIter(*this).VerStr(), + Dep->CompareOp,Dep.TargetVer()) == true) return true; } + if (Dep->Type == Dep::Obsoletes) + return false; + // Check the providing packages PrvIterator P = Dep.TargetPkg().ProvidesList(); PkgIterator Pkg = Dep.ParentPkg(); @@ -184,7 +241,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res) } // Compare the versions. - if (pkgCheckDep(Dep.TargetVer(),P.ProvideVersion(),Dep->CompareOp) == true) + if (VS().CheckDep(P.ProvideVersion(),Dep->CompareOp,Dep.TargetVer()) == true) { Res = P.OwnerPkg(); return true; @@ -197,29 +254,50 @@ 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 */ -void pkgDepCache::AddSizes(const PkgIterator &Pkg,long Mult) +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 += Mult*P.InstVerIter(*this)->InstalledSize; - iDownloadSize += Mult*P.InstVerIter(*this)->Size; + iUsrSize += (signed)(Mult*P.InstVerIter(*this)->InstalledSize); + iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size); + return; } // Upgrading - if (Pkg->CurrentVer != 0 && P.InstallVer != (Version *)Pkg.CurrentVer() && - P.InstallVer != 0) + if (Pkg->CurrentVer != 0 && + (P.InstallVer != (Version *)Pkg.CurrentVer() || + (P.iFlags & ReInstall) == ReInstall) && P.InstallVer != 0) + { + iUsrSize += (signed)(Mult*((signed)P.InstVerIter(*this)->InstalledSize - + (signed)Pkg.CurrentVer()->InstalledSize)); + iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size); + return; + } + + // Reinstall + if (Pkg.State() == pkgCache::PkgIterator::NeedsUnpack && + P.Delete() == false) { - iUsrSize += Mult*(P.InstVerIter(*this)->InstalledSize - - Pkg.CurrentVer()->InstalledSize); - iDownloadSize += Mult*P.InstVerIter(*this)->Size; + iDownloadSize += (signed)(Mult*P.InstVerIter(*this)->Size); + return; } // Removing if (Pkg->CurrentVer != 0 && P.InstallVer == 0) - iUsrSize -= Mult*Pkg.CurrentVer()->InstalledSize; + { + iUsrSize -= (signed)(Mult*Pkg.CurrentVer()->InstalledSize); + return; + } } /*}}}*/ // DepCache::AddStates - Add the package to the state counter /*{{{*/ @@ -245,16 +323,24 @@ 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) + iDelCount += Add; + if (State.Mode == ModeInstall) iInstCount += Add; return; } // Installed, no upgrade - if (State.Upgradable() == false) - { + if (State.Status == 0) + { if (State.Mode == ModeDelete) iDelCount += Add; + else + if ((State.iFlags & ReInstall) == ReInstall) + iInstCount += Add; + return; } @@ -282,17 +368,18 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V) /* Invert for Conflicts. We have to do this twice to get the right sense for a conflicts group */ - if (D->Type == Dep::Conflicts) + if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes) State = ~State; // Add to the group if we are within an or.. + State &= 0x7; Group |= State; State |= Group << 3; if ((D->CompareOp & Dep::Or) != Dep::Or) Group = 0; // Invert for Conflicts - if (D->Type == Dep::Conflicts) + if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes) State = ~State; } } @@ -392,7 +479,7 @@ void pkgDepCache::UpdateVerState(PkgIterator Pkg) // --------------------------------------------------------------------- /* This will figure out the state of all the packages and all the dependencies based on the current policy. */ -void pkgDepCache::Update() +void pkgDepCache::Update(OpProgress *Prog) { iUsrSize = 0; iDownloadSize = 0; @@ -403,8 +490,11 @@ void pkgDepCache::Update() iBadCount = 0; // Perform the depends pass - for (PkgIterator I = PkgBegin(); I.end() != true; I++) + int Done = 0; + 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++) { unsigned char Group = 0; @@ -413,7 +503,7 @@ void pkgDepCache::Update() { // Build the dependency state. unsigned char &State = DepState[D->ID]; - State = DependencyState(D);; + State = DependencyState(D); // Add to the group if we are within an or.. Group |= State; @@ -422,7 +512,7 @@ void pkgDepCache::Update() Group = 0; // Invert for Conflicts - if (D->Type == Dep::Conflicts) + if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes) State = ~State; } } @@ -432,6 +522,11 @@ void pkgDepCache::Update() UpdateVerState(I); AddStates(I); } + + readStateFile(Prog); + + if (Prog != 0) + Prog->Progress(Done); } /*}}}*/ // DepCache::Update - Update the deps list of a package /*{{{*/ @@ -447,9 +542,9 @@ void pkgDepCache::Update(DepIterator D) State = DependencyState(D); // Invert for Conflicts - if (D->Type == Dep::Conflicts) + if (D->Type == Dep::Conflicts || D->Type == Dep::Obsoletes) State = ~State; - + RemoveStates(D.ParentPkg()); BuildGroupOrs(D.ParentVer()); UpdateVerState(D.ParentPkg()); @@ -462,7 +557,7 @@ void pkgDepCache::Update(DepIterator D) /* This is called whenever the state of a package changes. It updates all cached dependencies related to this package. */ void pkgDepCache::Update(PkgIterator const &Pkg) -{ +{ // Recompute the dep of the package RemoveStates(Pkg); UpdateVerState(Pkg); @@ -478,9 +573,10 @@ void pkgDepCache::Update(PkgIterator const &Pkg) Update(P.ParentPkg().RevDependsList()); // Update the provides map for the candidate ver - for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList(); - P.end() != true; P++) - Update(P.ParentPkg().RevDependsList()); + if (PkgState[Pkg->ID].CandidateVer != 0) + for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList(); + P.end() != true; P++) + Update(P.ParentPkg().RevDependsList()); } /*}}}*/ @@ -493,6 +589,12 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft) // Simplifies other routines. if (Pkg.end() == true) return; + + /* 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; /* We changed the soft state all the time so the UI is a bit nicer to use */ @@ -530,7 +632,7 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft) // DepCache::MarkDelete - Put the package in the delete state /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::MarkDelete(PkgIterator const &Pkg) +void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge) { // Simplifies other routines. if (Pkg.end() == true) @@ -538,10 +640,14 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg) // Check that it is not already marked for delete StateCache &P = PkgState[Pkg->ID]; - P.iFlags &= ~AutoKept; - if (P.Mode == ModeDelete || P.InstallVer == 0) + 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; @@ -549,9 +655,13 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg) RemoveSizes(Pkg); RemoveStates(Pkg); - P.Mode = ModeDelete; + if (Pkg->CurrentVer == 0 && (Pkg.Purge() == true || rPurge == false)) + P.Mode = ModeKeep; + else + P.Mode = ModeDelete; P.InstallVer = 0; - P.Flags &= Flag::Auto; + // This was not inverted before, but I think it should be + P.Flags &= ~Flag::Auto; AddStates(Pkg); Update(Pkg); @@ -561,8 +671,12 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg) // DepCache::MarkInstall - Put the package in the install state /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst) -{ +void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, + unsigned long Depth) +{ + if (Depth > 100) + return; + // Simplifies other routines. if (Pkg.end() == true) return; @@ -578,6 +692,10 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst) MarkKeep(Pkg); return; } + + // 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) @@ -608,7 +726,8 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst) // Grok or groups DepIterator Start = Dep; bool Result = true; - for (bool LastOR = true; Dep.end() == false && LastOR == true; Dep++) + unsigned Ors = 0; + for (bool LastOR = true; Dep.end() == false && LastOR == true; Dep++,Ors++) { LastOR = (Dep->CompareOp & Dep::Or) == Dep::Or; @@ -627,24 +746,62 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst) continue; if (Pkg->CurrentVer != 0 && Start.IsCritical() == false) continue; - - // Now we have to take action... - PkgIterator P = Start.SmartTargetPkg(); + + /* 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 ((DepState[Start->ID] & DepCVer) == DepCVer) { - MarkInstall(P,true); + // Right, find the best version to install.. + Version **Cur = List; + PkgIterator P = Start.TargetPkg(); + PkgIterator InstPkg(*Cache,0); - // Set the autoflag, after MarkInstall because MarkInstall unsets it - if (P->CurrentVer == 0) - PkgState[P->ID].Flags |= Flag::Auto; + // See if there are direct matches (at the start of the list) + for (; *Cur != 0 && (*Cur)->ParentPkg == P.Index(); Cur++) + { + PkgIterator Pkg(*Cache,Cache->PkgP + (*Cur)->ParentPkg); + if (PkgState[Pkg->ID].CandidateVer != *Cur) + continue; + InstPkg = Pkg; + break; + } + + // 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) + { + MarkInstall(InstPkg,true,Depth + 1); + // Set the autoflag, after MarkInstall because MarkInstall unsets it + if (P->CurrentVer == 0) + PkgState[InstPkg->ID].Flags |= Flag::Auto; + } + continue; } - // For conflicts we just de-install the package and mark as auto - if (Start->Type == Dep::Conflicts) + /* For conflicts we just de-install the package and mark as auto, + Conflicts may not have or groups */ + if (Start->Type == Dep::Conflicts || Start->Type == Dep::Obsoletes) { - Version **List = Start.AllTargets(); for (Version **I = List; *I != 0; I++) { VerIterator Ver(*this,*I); @@ -653,210 +810,50 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst) MarkDelete(Pkg); PkgState[Pkg->ID].Flags |= Flag::Auto; } - delete [] List; continue; } } } /*}}}*/ - -#if 0 -// DepCache::ResolveConflicts - Figure the auto upgrades /*{{{*/ -// --------------------------------------------------------------------- -/* This routine attempts to resolve conflicts generated by automatic - upgrading. It is known as 'Stage 1' but that name isn't as proper anymore. - - It's most important function is during the initial load of APT. The - loading code will mark every package for upgrade to it's candidate version - and then call this routine. This routine will then 'soft keep' every - package that causes conflict, is conflicted, or so on. It is a bit - agressive in that it may unselect more packages in some odd cases - than are strictly necessary but in the case where no packages were - conflicting before it will always produce a system with no packages - conflicting after. - - This routine is also used during state changes that require autoupgrade - scanning. That is, if a new package is marked for install then all packages - that have been soft kept are reconsidered for upgrade. - - It is called with state information about what can be un-upgraded and - what the pre-upgrade install state was. It is expected that the caller - has already marked the desired packages to the install state. Bit 0 is - the original install state and Bit 1 is controls whether the package - should be touched. -*/ -void pkgDepCache::ResolveConflicts(unsigned char *Touched) -{ - bool Again = false; - do - { - Again = false; - for (PkgIterator I = PkgBegin(); I.end() != true; I++) - { - // The package will install OK - if ((PkgState[I->ID].DepState & DepInstMin) == DepInstMin) - continue; - - /* The package was broken before and this upgrade will not - make things better. We simply mark the package for keep - and assume an upgrade attempt will be hopeless. This might - not be ideal. */ - if ((Touched[I->ID] & (1 << 0)) != (1 << 0)) - { - // The package isnt to be touched - if ((Touched[I->ID] & (1 << 1)) == (1 << 1)) - MarkKeep(I,true); - - continue; - } - - // Check to see if not upgrading it will solve the problem - if (I->CurrentVer != 0) - { - // The package isnt to be touched - if ((Touched[I->ID] & (1 << 1)) == (1 << 1)) - { - if (PkgState[I->ID].Mode != ModeKeep) - Again = true; - - MarkKeep(I,true); - } - - /* Check if the package is sill broken. If so then we cant leave - it as is and get a working system. Lets try marking some - depends for 'keep'. This is brutal, it keeps everything in - sight to fix the problem. */ - DepIterator D = I.CurrentVer().DependsList(); - for (;(PkgState[I->ID].DepState & DepInstMin) != DepInstMin && - D.end() != true; D++) - { - // We only worry about critical deps. - if (D.IsCritical() != true) - continue; - - unsigned char State = DepState[D->ID]; - - // This dep never was set before so we dont need to set it now - if ((State & DepNow) != DepNow) - continue; - - // The dep is okay now no worries. - if ((State & DepInstall) == DepInstall) - continue; - - // Locate a target to keep - PkgIterator P(*this); - if (CheckDep(D,NowVersion,P) == true) - { - // We cant touch this package - if ((Touched[P->ID] & (1 << 1)) == (1 << 1)) - MarkKeep(P,true); - } - } - } - } - } - while (Again == true); -} - /*}}}*/ -// DepCache::PromoteAutoKeep - Gentler version of the above /*{{{*/ +// DepCache::SetReInstall - Set the reinstallation flag /*{{{*/ // --------------------------------------------------------------------- -/* This is used when installing packages, all it does is attempt to promote - everything that has been auto-kept. It simply promotes everything - irregardless of it having a chance to work and then runs ResolveConflicts - on the result. This allows circular depends loops to work but isn't - terribly fast. */ -void pkgDepCache::PromoteAutoKeep() +/* */ +void pkgDepCache::SetReInstall(PkgIterator const &Pkg,bool To) { - /* Initialize the touchd array. Bit 0 is the old install state bit 1 - is the touch value */ - unsigned char *Touch = new unsigned char[Head().PackageCount]; - for (unsigned int I = 0; I != Head().PackageCount; I++) - { - if ((PkgState[I].DepState & DepInstMin) == DepInstMin) - Touch[I] = 1 << 0; - else - Touch[I] = 0; - } - - // This allows circular depends to work - for (PkgIterator I = PkgBegin(); I.end() != true; I++) - { - /* It wasnt installed before or it is not autokept or it is not - upgradeable */ - StateCache &P = PkgState[I->ID]; - if (I->CurrentVer == 0 || P.Mode != ModeKeep || I->VersionList == 0 || - P.CandidateVer == (Version *)I.CurrentVer() || - (P.iFlags & AutoKept) != AutoKept) - continue; - - P.Mode = ModeInstall; - P.InstallVer = P.CandidateVer; - if (P.CandidateVer == (Version *)I.CurrentVer()) - P.Mode = ModeKeep; - - // Okay autoupgrade it. - Touch[I->ID] |= 1 << 1; - } + RemoveSizes(Pkg); + RemoveStates(Pkg); - Update(); - ResolveConflicts(Touch); + StateCache &P = PkgState[Pkg->ID]; + if (To == true) + P.iFlags |= ReInstall; + else + P.iFlags &= ~ReInstall; - delete [] Touch; + AddStates(Pkg); + AddSizes(Pkg); } /*}}}*/ -// DepCache::AllUpgrade - Try to upgrade everything /*{{{*/ +// DepCache::SetCandidateVersion - Change the candidate version /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgDepCache::AllUpgrade() +void pkgDepCache::SetCandidateVersion(VerIterator TargetVer) { - // Set everything to an upgrade mode - for (PkgIterator I = PkgBegin(); I.end() != true; I++) - { - StateCache &State = PkgState[I->ID]; - - /* We dont upgrade packages marked for deletion or that are - not installed or that don't have an upgrade */ - if (State.Mode == ModeDelete || I->CurrentVer == 0 || - (Version *)I.CurrentVer() == State.CandidateVer) - continue; - - // Set the state to upgrade - State.iFlags = 0; - State.Mode = ModeInstall; - State.InstallVer = State.CandidateVer; - if (State.CandidateVer == (Version *)I.CurrentVer()) - State.Mode = ModeKeep; - - // Do not upgrade things that have the hold flag set. - if (I->SelectedState == State::Hold) - { - State.InstallVer = I.CurrentVer(); - State.Mode = ModeKeep; - } - State.Update(I,*this); - } + pkgCache::PkgIterator Pkg = TargetVer.ParentPkg(); + StateCache &P = PkgState[Pkg->ID]; - Update(); - - /* Initialize the touchd array. Bit 0 is the old install state bit 1 - is the touch value */ - unsigned char *Touch = new unsigned char[Head().PackageCount]; - for (unsigned int I = 0; I != Head().PackageCount; I++) - { - if ((PkgState[I].DepState & DepNowMin) == DepNowMin) - Touch[I] = (1 << 0) | (1 << 1); - else - Touch[I] = 1 << 1; - } + RemoveSizes(Pkg); + RemoveStates(Pkg); - // Now downgrade everything that is broken - ResolveConflicts(Touch); - delete [] Touch; + if (P.CandidateVer == P.InstallVer) + P.InstallVer = (Version *)TargetVer; + P.CandidateVer = (Version *)TargetVer; + P.Update(Pkg,*this); + + AddStates(Pkg); + Update(Pkg); + AddSizes(Pkg); } /*}}}*/ -#endif - // StateCache::Update - Compute the various static display things /*{{{*/ // --------------------------------------------------------------------- /* This is called whenever the Candidate version changes. */ @@ -901,3 +898,48 @@ const char *pkgDepCache::StateCache::StripEpoch(const char *Ver) return Ver; } /*}}}*/ + +// Policy::GetCandidateVer - Returns the Candidate install version /*{{{*/ +// --------------------------------------------------------------------- +/* The default just returns the highest available version that is not + a source and automatic. */ +pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg) +{ + /* Not source/not automatic versions cannot be a candidate version + unless they are already installed */ + VerIterator Last(*(pkgCache *)this,0); + + for (VerIterator I = Pkg.VersionList(); I.end() == false; I++) + { + if (Pkg.CurrentVer() == I) + return I; + + for (VerFileIterator J = I.FileList(); J.end() == false; J++) + { + if ((J.File()->Flags & Flag::NotSource) != 0) + continue; + + /* Stash the highest version of a not-automatic source, we use it + if there is nothing better */ + if ((J.File()->Flags & Flag::NotAutomatic) != 0) + { + if (Last.end() == true) + Last = I; + continue; + } + + return I; + } + } + + return Last; +} + /*}}}*/ +// Policy::IsImportantDep - True if the dependency is important /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep) +{ + return Dep.IsCritical(); +} + /*}}}*/