X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/98278a81bf554246b70b97852c9b8b92eac390ea..a86f851619f720b8c4a74d01274c5e2bf012d451:/apt-pkg/algorithms.cc diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 47bdd4aba..85799a11b 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -14,6 +14,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -21,14 +23,17 @@ #include #include #include +#include +#include +#include -#include #include #include #include #include - #include + +#include /*}}}*/ using namespace std; @@ -53,6 +58,12 @@ pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache), FileNames[I] = Jnk; } /*}}}*/ +// Simulate::~Simulate - Destructor /*{{{*/ +pkgSimulate::~pkgSimulate() +{ + delete[] Flags; +} + /*}}}*/ // Simulate::Describe - Describe a package /*{{{*/ // --------------------------------------------------------------------- /* Parameter Current == true displays the current package version, @@ -94,7 +105,7 @@ bool pkgSimulate::Install(PkgIterator iPkg,string /*File*/) Sim.MarkInstall(Pkg,false); // Look for broken conflicts+predepends. - for (PkgIterator I = Sim.PkgBegin(); I.end() == false; I++) + for (PkgIterator I = Sim.PkgBegin(); I.end() == false; ++I) { if (Sim[I].InstallVer == 0) continue; @@ -143,7 +154,7 @@ bool pkgSimulate::Configure(PkgIterator iPkg) Sim.Update(); // Print out each package and the failed dependencies - for (pkgCache::DepIterator D = Sim[Pkg].InstVerIter(Sim).DependsList(); D.end() == false; D++) + for (pkgCache::DepIterator D = Sim[Pkg].InstVerIter(Sim).DependsList(); D.end() == false; ++D) { if (Sim.IsImportantDep(D) == false || (Sim[D] & pkgDepCache::DepInstall) != 0) @@ -183,6 +194,11 @@ bool pkgSimulate::Remove(PkgIterator iPkg,bool Purge) { // Adapt the iterator PkgIterator Pkg = Sim.FindPkg(iPkg.Name(), iPkg.Arch()); + if (Pkg.end() == true) + { + std::cerr << (Purge ? "Purg" : "Remv") << " invalid package " << iPkg.FullName() << std::endl; + return false; + } Flags[Pkg->ID] = 3; Sim.MarkDelete(Pkg); @@ -207,7 +223,7 @@ bool pkgSimulate::Remove(PkgIterator iPkg,bool Purge) void pkgSimulate::ShortBreaks() { cout << " ["; - for (PkgIterator I = Sim.PkgBegin(); I.end() == false; I++) + for (PkgIterator I = Sim.PkgBegin(); I.end() == false; ++I) { if (Sim[I].InstBroken() == true) { @@ -229,7 +245,7 @@ bool pkgApplyStatus(pkgDepCache &Cache) { pkgDepCache::ActionGroup group(Cache); - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (I->VersionList == 0) continue; @@ -271,13 +287,13 @@ bool pkgApplyStatus(pkgDepCache &Cache) Cache[I].CandidateVerIter(Cache).Downloadable() == true) Cache.MarkInstall(I, true, 0, false); else - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); } break; // This means removal failed case pkgCache::State::HalfInstalled: - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); break; default: @@ -298,13 +314,13 @@ bool pkgFixBroken(pkgDepCache &Cache) pkgDepCache::ActionGroup group(Cache); // Auto upgrade all broken packages - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) if (Cache[I].NowBroken() == true) Cache.MarkInstall(I, true, 0, false); /* Fix packages that are in a NeedArchive state but don't have a downloadable install version */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (I.State() != pkgCache::PkgIterator::NeedsUnpack || Cache[I].Delete() == true) @@ -347,19 +363,44 @@ bool pkgDistUpgrade(pkgDepCache &Cache) /* Auto upgrade all installed packages, this provides the basis for the installation */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) if (I->CurrentVer != 0) Cache.MarkInstall(I, true, 0, false); - /* Now, auto upgrade all essential packages - this ensures that - the essential packages are present and working */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) - if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) - Cache.MarkInstall(I, true, 0, false); + /* Now, install each essential package which is not installed + (and not provided by another package in the same name group) */ + std::string essential = _config->Find("pkgCacheGen::Essential", "all"); + if (essential == "all") + { + for (pkgCache::GrpIterator G = Cache.GrpBegin(); G.end() == false; ++G) + { + bool isEssential = false; + bool instEssential = false; + for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P)) + { + if ((P->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential) + continue; + isEssential = true; + if (Cache[P].Install() == true) + { + instEssential = true; + break; + } + } + if (isEssential == false || instEssential == true) + continue; + pkgCache::PkgIterator P = G.FindPreferredPkg(); + Cache.MarkInstall(P, true, 0, false); + } + } + else if (essential != "none") + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) + if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + Cache.MarkInstall(I, true, 0, false); /* We do it again over all previously installed packages to force conflict resolution on them all. */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) if (I->CurrentVer != 0) Cache.MarkInstall(I, false, 0, false); @@ -368,7 +409,7 @@ bool pkgDistUpgrade(pkgDepCache &Cache) // Hold back held packages. if (_config->FindB("APT::Ignore-Hold",false) == false) { - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (I->SelectedState == pkgCache::State::Hold) { @@ -402,7 +443,7 @@ bool pkgAllUpgrade(pkgDepCache &Cache) return false; // Upgrade all installed packages - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (Cache[I].Install() == true) Fix.Protect(I); @@ -436,7 +477,7 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache) do { Change = false; - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { // Not interesting if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true) @@ -453,7 +494,7 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache) Change = true; } } - Count++; + ++Count; } while (Change == true && Count < 10); @@ -466,11 +507,11 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache) // ProblemResolver::pkgProblemResolver - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgProblemResolver::pkgProblemResolver(pkgDepCache *pCache) : Cache(*pCache) +pkgProblemResolver::pkgProblemResolver(pkgDepCache *pCache) : d(NULL), Cache(*pCache) { // Allocate memory unsigned long Size = Cache.Head().PackageCount; - Scores = new signed short[Size]; + Scores = new int[Size]; Flags = new unsigned char[Size]; memset(Flags,0,sizeof(*Flags)*Size); @@ -509,29 +550,32 @@ void pkgProblemResolver::MakeScores() unsigned long Size = Cache.Head().PackageCount; memset(Scores,0,sizeof(*Scores)*Size); - // Important Required Standard Optional Extra - signed short PrioMap[] = { + // Maps to pkgCache::State::VerPriority + // which is "Important Required Standard Optional Extra" + // (yes, that is confusing, the order of pkgCache::State::VerPriority + // needs to be adjusted but that requires a ABI break) + int PrioMap[] = { 0, - (signed short) _config->FindI("pkgProblemResolver::Scores::Important",3), - (signed short) _config->FindI("pkgProblemResolver::Scores::Required",2), - (signed short) _config->FindI("pkgProblemResolver::Scores::Standard",1), - (signed short) _config->FindI("pkgProblemResolver::Scores::Optional",-1), - (signed short) _config->FindI("pkgProblemResolver::Scores::Extra",-2) + _config->FindI("pkgProblemResolver::Scores::Important",2), + _config->FindI("pkgProblemResolver::Scores::Required",3), + _config->FindI("pkgProblemResolver::Scores::Standard",1), + _config->FindI("pkgProblemResolver::Scores::Optional",-1), + _config->FindI("pkgProblemResolver::Scores::Extra",-2) }; - signed short PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100); - signed short PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1); - signed short PrioDepends = _config->FindI("pkgProblemResolver::Scores::Depends",1); - signed short PrioRecommends = _config->FindI("pkgProblemResolver::Scores::Recommends",1); - signed short AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000); - signed short AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000); + int PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100); + int PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1); + int PrioDepends = _config->FindI("pkgProblemResolver::Scores::Depends",1); + int PrioRecommends = _config->FindI("pkgProblemResolver::Scores::Recommends",1); + int AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000); + int AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000); if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true) clog << "Settings used to calculate pkgProblemResolver::Scores::" << endl - << " Important => " << PrioMap[1] << endl - << " Required => " << PrioMap[2] << endl - << " Standard => " << PrioMap[3] << endl - << " Optional => " << PrioMap[4] << endl - << " Extra => " << PrioMap[5] << endl + << " Required => " << PrioMap[pkgCache::State::Required] << endl + << " Important => " << PrioMap[pkgCache::State::Important] << endl + << " Standard => " << PrioMap[pkgCache::State::Standard] << endl + << " Optional => " << PrioMap[pkgCache::State::Optional] << endl + << " Extra => " << PrioMap[pkgCache::State::Extra] << endl << " Essentials => " << PrioEssentials << endl << " InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl << " Depends => " << PrioDepends << endl @@ -540,18 +584,19 @@ void pkgProblemResolver::MakeScores() << " AddEssential => " << AddEssential << endl; // Generate the base scores for a package based on its properties - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (Cache[I].InstallVer == 0) continue; - signed short &Score = Scores[I->ID]; + int &Score = Scores[I->ID]; /* This is arbitrary, it should be high enough to elevate an essantial package above most other packages but low enough to allow an obsolete essential packages to be removed by a conflicts on a powerfull normal package (ie libc6) */ - if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential + || (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) Score += PrioEssentials; // We transform the priority @@ -567,12 +612,12 @@ void pkgProblemResolver::MakeScores() } // Now that we have the base scores we go and propogate dependencies - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (Cache[I].InstallVer == 0) continue; - for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; D++) + for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D) { if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) @@ -583,18 +628,18 @@ void pkgProblemResolver::MakeScores() } // Copy the scores to advoid additive looping - SPtrArray OldScores = new signed short[Size]; + SPtrArray OldScores = new int[Size]; memcpy(OldScores,Scores,sizeof(*Scores)*Size); /* Now we cause 1 level of dependency inheritance, that is we add the score of the packages that depend on the target Package. This fortifies high scoring packages */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (Cache[I].InstallVer == 0) continue; - for (pkgCache::DepIterator D = I.RevDependsList(); D.end() == false; D++) + for (pkgCache::DepIterator D = I.RevDependsList(); D.end() == false; ++D) { // Only do it for the install version if ((pkgCache::Version *)D.ParentVer() != Cache[D.ParentPkg()].InstallVer || @@ -603,15 +648,18 @@ void pkgProblemResolver::MakeScores() D->Type != pkgCache::Dep::Recommends)) continue; - Scores[I->ID] += abs(OldScores[D.ParentPkg()->ID]); + // Do not propagate negative scores otherwise + // an extra (-2) package might score better than an optional (-1) + if (OldScores[D.ParentPkg()->ID] > 0) + Scores[I->ID] += OldScores[D.ParentPkg()->ID]; } } /* Now we propogate along provides. This makes the packages that provide important packages extremely important */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { - for (pkgCache::PrvIterator P = I.ProvidesList(); P.end() == false; P++) + for (pkgCache::PrvIterator P = I.ProvidesList(); P.end() == false; ++P) { // Only do it once per package if ((pkgCache::Version *)P.OwnerVer() != Cache[P.OwnerPkg()].InstallVer) @@ -622,11 +670,12 @@ void pkgProblemResolver::MakeScores() /* Protected things are pushed really high up. This number should put them ahead of everything */ - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if ((Flags[I->ID] & Protected) != 0) Scores[I->ID] += AddProtected; - if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential || + (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) Scores[I->ID] += AddEssential; } } @@ -719,7 +768,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg) if (Start == End) break; - Start++; + ++Start; } if (Fail == true) break; @@ -731,7 +780,7 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg) if (WasKept == true) Cache.MarkKeep(Pkg, false, false); else - Cache.MarkDelete(Pkg); + Cache.MarkDelete(Pkg, false, 0, false); return false; } @@ -776,7 +825,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) do { Again = false; - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if (Cache[I].Install() == true) Flags[I->ID] |= PreInstalled; @@ -796,8 +845,10 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) } while (Again == true); - if (Debug == true) - clog << "Starting" << endl; + if (Debug == true) { + clog << "Starting pkgProblemResolver with broken count: " + << Cache.BrokenCount() << endl; + } MakeScores(); @@ -809,7 +860,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) would cause the removal of even lower score packages. */ SPtrArray PList = new pkgCache::Package *[Size]; pkgCache::Package **PEnd = PList; - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) *PEnd++ = I; This = this; qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort); @@ -825,8 +876,10 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) } } - if (Debug == true) - clog << "Starting 2" << endl; + if (Debug == true) { + clog << "Starting 2 pkgProblemResolver with broken count: " + << Cache.BrokenCount() << endl; + } /* Now consider all broken packages. For each broken package we either remove the package or fix it's problem. We do this once, it should @@ -860,7 +913,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) OldBreaks < Cache.BrokenCount()) { if (OldVer == 0) - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); else Cache.MarkKeep(I, false, false); } @@ -899,7 +952,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) { if (Debug == true) clog << " Or group remove for " << I.FullName(false) << endl; - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); Change = true; } } @@ -929,7 +982,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) } else { - Start++; + ++Start; // We only worry about critical deps. if (Start.IsCritical() != true) continue; @@ -1030,11 +1083,11 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) if (BrokenFix == false || DoUpgrade(I) == false) { // Consider other options - if (InOr == false) + if (InOr == false || Cache[I].Garbage == true) { if (Debug == true) clog << " Removing " << I.FullName(false) << " rather than change " << Start.TargetPkg().FullName(false) << endl; - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); if (Counter > 1 && Scores[Pkg->ID] > Scores[I->ID]) Scores[I->ID] = Scores[Pkg->ID]; } @@ -1093,8 +1146,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) LEnd->Dep = End; LEnd++; - if (Start->Type != pkgCache::Dep::Conflicts && - Start->Type != pkgCache::Dep::Obsoletes) + if (Start.IsNegative() == false) break; } } @@ -1124,7 +1176,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) if (Debug == true) clog << " Removing " << I.FullName(false) << " because I can't find " << Start.TargetPkg().FullName(false) << endl; if (InOr == false) - Cache.MarkDelete(I); + Cache.MarkDelete(I, false, 0, false); } Change = true; @@ -1151,7 +1203,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) { if (Debug == true) clog << " Fixing " << I.FullName(false) << " via remove of " << J->Pkg.FullName(false) << endl; - Cache.MarkDelete(J->Pkg); + Cache.MarkDelete(J->Pkg, false, 0, false); } } else @@ -1178,7 +1230,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) { // See if this is the result of a hold pkgCache::PkgIterator I = Cache.PkgBegin(); - for (;I.end() != true; I++) + for (;I.end() != true; ++I) { if (Cache[I].InstBroken() == false) continue; @@ -1190,7 +1242,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) // set the auto-flags (mvo: I'm not sure if we _really_ need this) pkgCache::PkgIterator I = Cache.PkgBegin(); - for (;I.end() != true; I++) { + for (;I.end() != true; ++I) { if (Cache[I].NewInstall() && !(Flags[I->ID] & PreInstalled)) { if(_config->FindI("Debug::pkgAutoRemove",false)) { std::clog << "Resolve installed new pkg: " << I.FullName(false) @@ -1204,6 +1256,37 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) return true; } /*}}}*/ +// ProblemResolver::BreaksInstOrPolicy - Check if the given pkg is broken/*{{{*/ +// --------------------------------------------------------------------- +/* This checks if the given package is broken either by a hard dependency + (InstBroken()) or by introducing a new policy breakage e.g. new + unsatisfied recommends for a package that was in "policy-good" state + + Note that this is not perfect as it will ignore further breakage + for already broken policy (recommends) +*/ +bool pkgProblemResolver::InstOrNewPolicyBroken(pkgCache::PkgIterator I) +{ + // a broken install is always a problem + if (Cache[I].InstBroken() == true) + { + if (Debug == true) + std::clog << " Dependencies are not satisfied for " << I << std::endl; + return true; + } + + // a newly broken policy (recommends/suggests) is a problem + if (Cache[I].NowPolicyBroken() == false && + Cache[I].InstPolicyBroken() == true) + { + if (Debug == true) + std::clog << " Policy breaks with upgrade of " << I << std::endl; + return true; + } + + return false; +} + /*}}}*/ // ProblemResolver::ResolveByKeep - Resolve problems using keep /*{{{*/ // --------------------------------------------------------------------- /* This is the work horse of the soft upgrade routine. It is very gental @@ -1238,7 +1321,7 @@ bool pkgProblemResolver::ResolveByKeepInternal() would cause the removal of even lower score packages. */ pkgCache::Package **PList = new pkgCache::Package *[Size]; pkgCache::Package **PEnd = PList; - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) *PEnd++ = I; This = this; qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort); @@ -1263,9 +1346,12 @@ bool pkgProblemResolver::ResolveByKeepInternal() { pkgCache::PkgIterator I(Cache,*K); - if (Cache[I].InstallVer == 0 || Cache[I].InstBroken() == false) + if (Cache[I].InstallVer == 0) continue; + if (InstOrNewPolicyBroken(I) == false) + continue; + /* Keep the package. If this works then great, otherwise we have to be significantly more agressive and manipulate its dependencies */ if ((Flags[I->ID] & Protected) == 0) @@ -1273,7 +1359,7 @@ bool pkgProblemResolver::ResolveByKeepInternal() if (Debug == true) clog << "Keeping package " << I.FullName(false) << endl; Cache.MarkKeep(I, false, false); - if (Cache[I].InstBroken() == false) + if (InstOrNewPolicyBroken(I) == false) { K = PList - 1; continue; @@ -1323,43 +1409,51 @@ bool pkgProblemResolver::ResolveByKeepInternal() Cache.MarkKeep(Pkg, false, false); } - if (Cache[I].InstBroken() == false) + if (InstOrNewPolicyBroken(I) == false) break; } - if (Cache[I].InstBroken() == false) + if (InstOrNewPolicyBroken(I) == false) break; if (Start == End) break; - Start++; + ++Start; } - if (Cache[I].InstBroken() == false) + if (InstOrNewPolicyBroken(I) == false) break; } - if (Cache[I].InstBroken() == true) + if (InstOrNewPolicyBroken(I) == true) continue; // Restart again. - if (K == LastStop) - return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.",I.FullName(false).c_str()); + if (K == LastStop) { + // I is an iterator based off our temporary package list, + // so copy the name we need before deleting the temporary list + std::string const LoopingPackage = I.FullName(false); + delete[] PList; + return _error->Error("Internal Error, pkgProblemResolver::ResolveByKeep is looping on package %s.", LoopingPackage.c_str()); + } LastStop = K; K = PList - 1; - } + } + delete[] PList; return true; } /*}}}*/ -// ProblemResolver::InstallProtect - Install all protected packages /*{{{*/ +// ProblemResolver::InstallProtect - deprecated cpu-eating no-op /*{{{*/ // --------------------------------------------------------------------- -/* This is used to make sure protected packages are installed */ +/* Actions issued with FromUser bit set are protected from further + modification (expect by other calls with FromUser set) nowadays , so we + don't need to reissue actions here, they are already set in stone. */ void pkgProblemResolver::InstallProtect() { pkgDepCache::ActionGroup group(Cache); - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { if ((Flags[I->ID] & Protected) == Protected) { @@ -1392,6 +1486,13 @@ static int PrioComp(const void *A,const void *B) if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential && (R.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) return -1; + + if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important && + (R.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important) + return 1; + if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important && + (R.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) + return -1; if (L->Priority != R->Priority) return R->Priority - L->Priority; @@ -1406,7 +1507,7 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List) qsort(List,Count,sizeof(*List),PrioComp); } /*}}}*/ -// CacheFile::ListUpdate - update the cache files /*{{{*/ +// ListUpdate - construct Fetcher and update the cache files /*{{{*/ // --------------------------------------------------------------------- /* This is a simple wrapper to update the cache. it will fetch stuff * from the network (or any other sources defined in sources.list) @@ -1415,7 +1516,6 @@ bool ListUpdate(pkgAcquireStatus &Stat, pkgSourceList &List, int PulseInterval) { - pkgAcquire::RunResult res; pkgAcquire Fetcher; if (Fetcher.Setup(&Stat, _config->FindDir("Dir::State::Lists")) == false) return false; @@ -1424,11 +1524,24 @@ bool ListUpdate(pkgAcquireStatus &Stat, if (List.GetIndexes(&Fetcher) == false) return false; + return AcquireUpdate(Fetcher, PulseInterval, true); +} + /*}}}*/ +// AcquireUpdate - take Fetcher and update the cache files /*{{{*/ +// --------------------------------------------------------------------- +/* This is a simple wrapper to update the cache with a provided acquire + * If you only need control over Status and the used SourcesList use + * ListUpdate method instead. + */ +bool AcquireUpdate(pkgAcquire &Fetcher, int const PulseInterval, + bool const RunUpdateScripts, bool const ListCleanup) +{ // Run scripts - RunScripts("APT::Update::Pre-Invoke"); - - // check arguments - if(PulseInterval>0) + if (RunUpdateScripts == true) + RunScripts("APT::Update::Pre-Invoke"); + + pkgAcquire::RunResult res; + if(PulseInterval > 0) res = Fetcher.Run(PulseInterval); else res = Fetcher.Run(); @@ -1439,7 +1552,7 @@ bool ListUpdate(pkgAcquireStatus &Stat, bool Failed = false; bool TransientNetworkFailure = false; for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); - I != Fetcher.ItemsEnd(); I++) + I != Fetcher.ItemsEnd(); ++I) { if ((*I)->Status == pkgAcquire::Item::StatDone) continue; @@ -1465,7 +1578,7 @@ bool ListUpdate(pkgAcquireStatus &Stat, // Clean out any old list files // Keep "APT::Get::List-Cleanup" name for compatibility, but // this is really a global option for the APT library now - if (!TransientNetworkFailure && !Failed && + if (!TransientNetworkFailure && !Failed && ListCleanup == true && (_config->FindB("APT::Get::List-Cleanup",true) == true && _config->FindB("APT::List-Cleanup",true) == true)) { @@ -1482,11 +1595,14 @@ bool ListUpdate(pkgAcquireStatus &Stat, // Run the success scripts if all was fine - if(!TransientNetworkFailure && !Failed) - RunScripts("APT::Update::Post-Invoke-Success"); + if (RunUpdateScripts == true) + { + if(!TransientNetworkFailure && !Failed) + RunScripts("APT::Update::Post-Invoke-Success"); - // Run the other scripts - RunScripts("APT::Update::Post-Invoke"); + // Run the other scripts + RunScripts("APT::Update::Post-Invoke"); + } return true; } /*}}}*/