X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/1d51f78e9d128191ff8b2d48e42d90ebdbff2588..dabb215cb8c4b074d286737da523d8ef14381468:/apt-pkg/algorithms.cc diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 6ac69032b..2d710097a 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -14,18 +14,26 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include #include #include - -#include +#include +#include +#include +#include + #include #include #include #include +#include + +#include /*}}}*/ using namespace std; @@ -50,6 +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, @@ -327,6 +341,12 @@ bool pkgFixBroken(pkgDepCache &Cache) */ bool pkgDistUpgrade(pkgDepCache &Cache) { + std::string const solver = _config->Find("APT::Solver", "internal"); + if (solver != "internal") { + OpTextProgress Prog(*_config); + return EDSP::ResolveExternal(solver.c_str(), Cache, false, true, false, &Prog); + } + pkgDepCache::ActionGroup group(Cache); /* Upgrade all installed packages first without autoinst to help the resolver @@ -379,6 +399,12 @@ bool pkgDistUpgrade(pkgDepCache &Cache) to install packages not marked for install */ bool pkgAllUpgrade(pkgDepCache &Cache) { + std::string const solver = _config->Find("APT::Solver", "internal"); + if (solver != "internal") { + OpTextProgress Prog(*_config); + return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, &Prog); + } + pkgDepCache::ActionGroup group(Cache); pkgProblemResolver Fix(&Cache); @@ -451,11 +477,11 @@ 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); @@ -495,20 +521,20 @@ void pkgProblemResolver::MakeScores() memset(Scores,0,sizeof(*Scores)*Size); // Important Required Standard Optional Extra - signed short PrioMap[] = { + 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",3), + _config->FindI("pkgProblemResolver::Scores::Required",2), + _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 @@ -530,13 +556,14 @@ void pkgProblemResolver::MakeScores() 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 @@ -568,7 +595,7 @@ 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 @@ -611,7 +638,8 @@ void pkgProblemResolver::MakeScores() { 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; } } @@ -725,7 +753,20 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg) return true; } /*}}}*/ -// ProblemResolver::Resolve - Run the resolution pass /*{{{*/ +// ProblemResolver::Resolve - calls a resolver to fix the situation /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgProblemResolver::Resolve(bool BrokenFix) +{ + std::string const solver = _config->Find("APT::Solver", "internal"); + if (solver != "internal") { + OpTextProgress Prog(*_config); + return EDSP::ResolveExternal(solver.c_str(), Cache, false, false, false, &Prog); + } + return ResolveInternal(BrokenFix); +} + /*}}}*/ +// ProblemResolver::ResolveInternal - Run the resolution pass /*{{{*/ // --------------------------------------------------------------------- /* This routines works by calculating a score for each package. The score is derived by considering the package's priority and all reverse @@ -739,12 +780,10 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg) The BrokenFix flag enables a mode where the algorithm tries to upgrade packages to advoid problems. */ -bool pkgProblemResolver::Resolve(bool BrokenFix) +bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) { pkgDepCache::ActionGroup group(Cache); - unsigned long Size = Cache.Head().PackageCount; - // Record which packages are marked for install bool Again = false; do @@ -774,7 +813,9 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) clog << "Starting" << endl; MakeScores(); - + + unsigned long const Size = Cache.Head().PackageCount; + /* We have to order the packages so that the broken fixing pass operates from highest score to lowest. This prevents problems when high score packages cause the removal of lower score packages that @@ -1065,8 +1106,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) LEnd->Dep = End; LEnd++; - if (Start->Type != pkgCache::Dep::Conflicts && - Start->Type != pkgCache::Dep::Obsoletes) + if (Start.IsNegative() == false) break; } } @@ -1176,7 +1216,6 @@ bool pkgProblemResolver::Resolve(bool 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 @@ -1188,25 +1227,47 @@ bool pkgProblemResolver::Resolve(bool BrokenFix) */ 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 in that it does not install or remove any packages. It is assumed that the system was non-broken previously. */ bool pkgProblemResolver::ResolveByKeep() +{ + std::string const solver = _config->Find("APT::Solver", "internal"); + if (solver != "internal") { + OpTextProgress Prog(*_config); + return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, &Prog); + } + return ResolveByKeepInternal(); +} + /*}}}*/ +// ProblemResolver::ResolveByKeepInternal - Resolve problems using keep /*{{{*/ +// --------------------------------------------------------------------- +/* This is the work horse of the soft upgrade routine. It is very gental + in that it does not install or remove any packages. It is assumed that the + system was non-broken previously. */ +bool pkgProblemResolver::ResolveByKeepInternal() { pkgDepCache::ActionGroup group(Cache); @@ -1377,6 +1438,13 @@ 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; @@ -1391,7 +1459,7 @@ 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) @@ -1400,7 +1468,6 @@ 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; @@ -1409,11 +1476,24 @@ 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(); @@ -1450,7 +1530,7 @@ 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)) { @@ -1467,11 +1547,14 @@ 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; } /*}}}*/