diff options
Diffstat (limited to 'apt-pkg/algorithms.cc')
| -rw-r--r-- | apt-pkg/algorithms.cc | 69 |
1 files changed, 42 insertions, 27 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 0363ab3e2..a7b676660 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -19,19 +19,18 @@ #include <apt-pkg/algorithms.h> #include <apt-pkg/error.h> #include <apt-pkg/configuration.h> -#include <apt-pkg/version.h> #include <apt-pkg/sptr.h> -#include <apt-pkg/acquire-item.h> #include <apt-pkg/edsp.h> -#include <apt-pkg/sourcelist.h> -#include <apt-pkg/fileutl.h> #include <apt-pkg/progress.h> +#include <apt-pkg/depcache.h> +#include <apt-pkg/packagemanager.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/cacheiterators.h> -#include <sys/types.h> +#include <string.h> +#include <string> #include <cstdlib> -#include <algorithm> #include <iostream> -#include <stdio.h> #include <apti18n.h> /*}}}*/ @@ -394,8 +393,18 @@ void pkgProblemResolver::MakeScores() }; 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 DepMap[] = { + 0, + _config->FindI("pkgProblemResolver::Scores::Depends",1), + _config->FindI("pkgProblemResolver::Scores::PreDepends",1), + _config->FindI("pkgProblemResolver::Scores::Suggests",0), + _config->FindI("pkgProblemResolver::Scores::Recommends",1), + _config->FindI("pkgProblemResolver::Scores::Conflicts",-1), + _config->FindI("pkgProblemResolver::Scores::Replaces",0), + _config->FindI("pkgProblemResolver::Scores::Obsoletes",0), + _config->FindI("pkgProblemResolver::Scores::Breaks",-1), + _config->FindI("pkgProblemResolver::Scores::Enhances",0) + }; int AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000); int AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000); @@ -408,8 +417,15 @@ void pkgProblemResolver::MakeScores() << " Extra => " << PrioMap[pkgCache::State::Extra] << endl << " Essentials => " << PrioEssentials << endl << " InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl - << " Depends => " << PrioDepends << endl - << " Recommends => " << PrioRecommends << endl + << " Pre-Depends => " << DepMap[pkgCache::Dep::PreDepends] << endl + << " Depends => " << DepMap[pkgCache::Dep::Depends] << endl + << " Recommends => " << DepMap[pkgCache::Dep::Recommends] << endl + << " Suggests => " << DepMap[pkgCache::Dep::Suggests] << endl + << " Conflicts => " << DepMap[pkgCache::Dep::Conflicts] << endl + << " Breaks => " << DepMap[pkgCache::Dep::DpkgBreaks] << endl + << " Replaces => " << DepMap[pkgCache::Dep::Replaces] << endl + << " Obsoletes => " << DepMap[pkgCache::Dep::Obsoletes] << endl + << " Enhances => " << DepMap[pkgCache::Dep::Enhances] << endl << " AddProtected => " << AddProtected << endl << " AddEssential => " << AddEssential << endl; @@ -439,24 +455,23 @@ void pkgProblemResolver::MakeScores() */ if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable()) Score += PrioInstalledAndNotObsolete; - } - // Now that we have the base scores we go and propagate dependencies - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) - { - if (Cache[I].InstallVer == 0) - continue; - + // propagate score points along dependencies for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D) { - if (D->Type == pkgCache::Dep::Depends || - D->Type == pkgCache::Dep::PreDepends) - Scores[D.TargetPkg()->ID] += PrioDepends; - else if (D->Type == pkgCache::Dep::Recommends) - Scores[D.TargetPkg()->ID] += PrioRecommends; + if (DepMap[D->Type] == 0) + continue; + pkgCache::PkgIterator const T = D.TargetPkg(); + if (D->Version != 0) + { + pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache); + if (IV.end() == true || D.IsSatisfied(IV) != D.IsNegative()) + continue; + } + Scores[T->ID] += DepMap[D->Type]; } - } - + } + // Copy the scores to advoid additive looping SPtrArray<int> OldScores = new int[Size]; memcpy(OldScores,Scores,sizeof(*Scores)*Size); @@ -869,8 +884,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) } if (Debug == true) - clog << " Considering " << Pkg.FullName(false) << ' ' << (int)Scores[Pkg->ID] << - " as a solution to " << I.FullName(false) << ' ' << (int)Scores[I->ID] << endl; + clog << " Considering " << Pkg.FullName(false) << ' ' << Scores[Pkg->ID] << + " as a solution to " << I.FullName(false) << ' ' << Scores[I->ID] << endl; /* Try to fix the package under consideration rather than fiddle with the VList package */ |