X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/7570b65d5eae54c51689121a317351a1cd42e64d..0fad7309fbc20a7ca838e241e5118bf56f39946c:/apt-pkg/algorithms.cc diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 723c8ea3a..b6f4705f3 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -14,18 +14,17 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/algorithms.h" -#endif #include #include #include #include #include - +#include #include #include +#include +#include #include /*}}}*/ using namespace std; @@ -38,7 +37,8 @@ pkgProblemResolver *pkgProblemResolver::This = 0; this is not necessary since the pkgCaches are fully shared now. */ pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache), iPolicy(Cache), - Sim(&Cache->GetCache(),&iPolicy) + Sim(&Cache->GetCache(),&iPolicy), + group(Sim) { Sim.Init(0); Flags = new unsigned char[Cache->Head().PackageCount]; @@ -258,6 +258,8 @@ bool pkgApplyStatus(pkgDepCache &Cache) re-unpacked (probably) */ case pkgCache::State::UnPacked: case pkgCache::State::HalfConfigured: + case pkgCache::State::TriggersAwaited: + case pkgCache::State::TriggersPending: if ((I->CurrentVer != 0 && I.CurrentVer().Downloadable() == true) || I.State() != pkgCache::PkgIterator::NeedsUnpack) Cache.MarkKeep(I, false, false); @@ -495,7 +497,7 @@ void pkgProblemResolver::MakeScores() signed short &Score = Scores[I->ID]; - /* This is arbitary, it should be high enough to elevate an + /* 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) */ @@ -509,8 +511,10 @@ void pkgProblemResolver::MakeScores() Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority]; /* This helps to fix oddball problems with conflicting packages - on the same level. We enhance the score of installed packages */ - if (I->CurrentVer != 0) + on the same level. We enhance the score of installed packages + if those are not obsolete + */ + if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable()) Score += 1; } @@ -522,7 +526,9 @@ void pkgProblemResolver::MakeScores() for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; D++) { - if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) + if (D->Type == pkgCache::Dep::Depends || + D->Type == pkgCache::Dep::PreDepends || + D->Type == pkgCache::Dep::Recommends) Scores[D.TargetPkg()->ID]++; } } @@ -543,7 +549,9 @@ void pkgProblemResolver::MakeScores() { // Only do it for the install version if ((pkgCache::Version *)D.ParentVer() != Cache[D.ParentPkg()].InstallVer || - (D->Type != pkgCache::Dep::Depends && D->Type != pkgCache::Dep::PreDepends)) + (D->Type != pkgCache::Dep::Depends && + D->Type != pkgCache::Dep::PreDepends && + D->Type != pkgCache::Dep::Recommends)) continue; Scores[I->ID] += abs(OldScores[D.ParentPkg()->ID]); @@ -804,7 +812,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) continue; if (Debug == true) - cout << "Investigating " << I.Name() << endl; + clog << "Investigating " << I.Name() << endl; // Isolate the problem dependency PackageKill KillList[100]; @@ -859,7 +867,12 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) OldEnd = LEnd; } else + { Start++; + // We only worry about critical deps. + if (Start.IsCritical() != true) + continue; + } // Dep is ok if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall) @@ -977,17 +990,17 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) if (Start->Type == pkgCache::Dep::DpkgBreaks) { - /* Would it help if we upgraded? */ - if (Cache[End] & pkgDepCache::DepGCVer) { + // first, try upgradring the package, if that + // does not help, the breaks goes onto the + // kill list + // FIXME: use DoUpgrade(Pkg) instead? + if (Cache[End] & pkgDepCache::DepGCVer) + { if (Debug) clog << " Upgrading " << Pkg.Name() << " due to Breaks field in " << I.Name() << endl; Cache.MarkInstall(Pkg, false, 0, false); continue; } - if (Debug) - clog << " Will not break " << Pkg.Name() << " as stated in Breaks field in " << I.Name() <Dep] & pkgDepCache::DepGNow) == 0) { if (J->Dep->Type == pkgCache::Dep::Conflicts || + J->Dep->Type == pkgCache::Dep::DpkgBreaks || J->Dep->Type == pkgCache::Dep::Obsoletes) { if (Debug == true) @@ -1251,8 +1265,13 @@ void pkgProblemResolver::InstallProtect() { if ((Flags[I->ID] & ToRemove) == ToRemove) Cache.MarkDelete(I); - else - Cache.MarkInstall(I, false, 0, false); + else + { + // preserve the information whether the package was auto + // or manually installed + bool autoInst = (Cache[I].Flags & pkgCache::Flag::Auto); + Cache.MarkInstall(I, false, 0, !autoInst); + } } } } @@ -1289,3 +1308,85 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List) } /*}}}*/ +// CacheFile::ListUpdate - 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) + */ +bool ListUpdate(pkgAcquireStatus &Stat, + pkgSourceList &List, + int PulseInterval) +{ + pkgAcquire::RunResult res; + pkgAcquire Fetcher(&Stat); + + // Populate it with the source selection + if (List.GetIndexes(&Fetcher) == false) + return false; + + // Run scripts + RunScripts("APT::Update::Pre-Invoke"); + + // check arguments + if(PulseInterval>0) + res = Fetcher.Run(PulseInterval); + else + res = Fetcher.Run(); + + if (res == pkgAcquire::Failed) + return false; + + bool Failed = false; + bool TransientNetworkFailure = false; + for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); + I != Fetcher.ItemsEnd(); I++) + { + if ((*I)->Status == pkgAcquire::Item::StatDone) + continue; + + (*I)->Finished(); + + ::URI uri((*I)->DescURI()); + uri.User.clear(); + uri.Password.clear(); + string descUri = string(uri); + _error->Warning(_("Failed to fetch %s %s\n"), descUri.c_str(), + (*I)->ErrorText.c_str()); + + if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError) + { + TransientNetworkFailure = true; + continue; + } + + Failed = true; + } + + // 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 && + (_config->FindB("APT::Get::List-Cleanup",true) == true && + _config->FindB("APT::List-Cleanup",true) == true)) + { + if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false || + Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false) + // something went wrong with the clean + return false; + } + + if (TransientNetworkFailure == true) + _error->Warning(_("Some index files failed to download, they have been ignored, or old ones used instead.")); + else if (Failed == true) + return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead.")); + + + // Run the success scripts if all was fine + if(!TransientNetworkFailure && !Failed) + RunScripts("APT::Update::Post-Invoke-Success"); + + // Run the other scripts + RunScripts("APT::Update::Post-Invoke"); + return true; +} + /*}}}*/