diff options
Diffstat (limited to 'apt-pkg/algorithms.cc')
| -rw-r--r-- | apt-pkg/algorithms.cc | 67 |
1 files changed, 57 insertions, 10 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 44cba8d92..f7a333606 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -14,18 +14,26 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include <config.h> + #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 <apti18n.h> +#include <apt-pkg/edsp.h> +#include <apt-pkg/sourcelist.h> +#include <apt-pkg/fileutl.h> +#include <apt-pkg/progress.h> + #include <sys/types.h> #include <cstdlib> #include <algorithm> #include <iostream> +#include <stdio.h> + +#include <apti18n.h> /*}}}*/ using namespace std; @@ -327,6 +335,12 @@ 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 +393,12 @@ 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); @@ -725,7 +745,20 @@ 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 +772,10 @@ 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 +805,9 @@ 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 @@ -1176,7 +1209,6 @@ 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 @@ -1207,7 +1239,7 @@ bool pkgProblemResolver::InstOrNewPolicyBroken(pkgCache::PkgIterator I) return false; } - + /*}}}*/ // ProblemResolver::ResolveByKeep - Resolve problems using keep /*{{{*/ // --------------------------------------------------------------------- /* This is the work horse of the soft upgrade routine. It is very gental @@ -1215,6 +1247,21 @@ bool pkgProblemResolver::InstOrNewPolicyBroken(pkgCache::PkgIterator I) 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); unsigned long Size = Cache.Head().PackageCount; @@ -1398,7 +1445,7 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List) qsort(List,Count,sizeof(*List),PrioComp); } /*}}}*/ -// CacheFile::ListUpdate - update the cache files /*{{{*/ +// 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) |