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-rw-r--r--apt-pkg/algorithms.cc110
1 files changed, 73 insertions, 37 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index b6f4705f3..34da745de 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -442,7 +442,6 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache)
return true;
}
/*}}}*/
-
// ProblemResolver::pkgProblemResolver - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -489,6 +488,36 @@ void pkgProblemResolver::MakeScores()
unsigned long Size = Cache.Head().PackageCount;
memset(Scores,0,sizeof(*Scores)*Size);
+ // Important Required Standard Optional Extra
+ signed short PrioMap[] = {
+ 0,
+ _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);
+
+ 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
+ << " Essentials => " << PrioEssentials << endl
+ << " InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl
+ << " Depends => " << PrioDepends << endl
+ << " Recommends => " << PrioRecommends << endl
+ << " AddProtected => " << AddProtected << endl
+ << " AddEssential => " << AddEssential << endl;
+
// Generate the base scores for a package based on its properties
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
@@ -502,11 +531,9 @@ void pkgProblemResolver::MakeScores()
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)
- Score += 100;
+ Score += PrioEssentials;
// We transform the priority
- // Important Required Standard Optional Extra
- signed short PrioMap[] = {0,3,2,1,-1,-2};
if (Cache[I].InstVerIter(Cache)->Priority <= 5)
Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
@@ -515,7 +542,7 @@ void pkgProblemResolver::MakeScores()
if those are not obsolete
*/
if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
- Score += 1;
+ Score += PrioInstalledAndNotObsolete;
}
// Now that we have the base scores we go and propogate dependencies
@@ -527,9 +554,10 @@ 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 ||
- D->Type == pkgCache::Dep::Recommends)
- Scores[D.TargetPkg()->ID]++;
+ D->Type == pkgCache::Dep::PreDepends)
+ Scores[D.TargetPkg()->ID] += PrioDepends;
+ else if (D->Type == pkgCache::Dep::Recommends)
+ Scores[D.TargetPkg()->ID] += PrioRecommends;
}
}
@@ -576,10 +604,10 @@ void pkgProblemResolver::MakeScores()
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
{
if ((Flags[I->ID] & Protected) != 0)
- Scores[I->ID] += 10000;
+ Scores[I->ID] += AddProtected;
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Scores[I->ID] += 5000;
- }
+ Scores[I->ID] += AddEssential;
+ }
}
/*}}}*/
// ProblemResolver::DoUpgrade - Attempt to upgrade this package /*{{{*/
@@ -755,19 +783,21 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
*PEnd++ = I;
This = this;
qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
-
-/* for (pkgCache::Package **K = PList; K != PEnd; K++)
- if (Scores[(*K)->ID] != 0)
- {
- pkgCache::PkgIterator Pkg(Cache,*K);
- clog << Scores[(*K)->ID] << ' ' << Pkg.Name() <<
- ' ' << (pkgCache::Version *)Pkg.CurrentVer() << ' ' <<
- Cache[Pkg].InstallVer << ' ' << Cache[Pkg].CandidateVer << endl;
- } */
+
+ if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
+ {
+ clog << "Show Scores" << endl;
+ for (pkgCache::Package **K = PList; K != PEnd; K++)
+ if (Scores[(*K)->ID] != 0)
+ {
+ pkgCache::PkgIterator Pkg(Cache,*K);
+ clog << Scores[(*K)->ID] << ' ' << Pkg << std::endl;
+ }
+ }
if (Debug == true)
clog << "Starting 2" << 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
not be possible for a loop to form (that is a < b < c and fixing b by
@@ -882,7 +912,7 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
}
if (Debug == true)
- clog << "Package " << I.Name() << " has broken dep on " << Start.TargetPkg().Name() << endl;
+ clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
/* Look across the version list. If there are no possible
targets then we keep the package and bail. This is necessary
@@ -964,12 +994,9 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if (Debug == true)
clog << " Removing " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
Cache.MarkDelete(I);
- if (Counter > 1)
- {
- if (Scores[Pkg->ID] > Scores[I->ID])
- Scores[I->ID] = Scores[Pkg->ID];
- }
- }
+ if (Counter > 1 && Scores[Pkg->ID] > Scores[I->ID])
+ Scores[I->ID] = Scores[Pkg->ID];
+ }
}
}
@@ -1141,9 +1168,6 @@ bool pkgProblemResolver::ResolveByKeep()
unsigned long Size = Cache.Head().PackageCount;
- if (Debug == true)
- clog << "Entering ResolveByKeep" << endl;
-
MakeScores();
/* We have to order the packages so that the broken fixing pass
@@ -1156,7 +1180,21 @@ bool pkgProblemResolver::ResolveByKeep()
*PEnd++ = I;
This = this;
qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
-
+
+ if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
+ {
+ clog << "Show Scores" << endl;
+ for (pkgCache::Package **K = PList; K != PEnd; K++)
+ if (Scores[(*K)->ID] != 0)
+ {
+ pkgCache::PkgIterator Pkg(Cache,*K);
+ clog << Scores[(*K)->ID] << ' ' << Pkg << std::endl;
+ }
+ }
+
+ if (Debug == true)
+ clog << "Entering ResolveByKeep" << endl;
+
// Consider each broken package
pkgCache::Package **LastStop = 0;
for (pkgCache::Package **K = PList; K != PEnd; K++)
@@ -1202,8 +1240,8 @@ bool pkgProblemResolver::ResolveByKeep()
while (true)
{
if (Debug == true)
- clog << "Package " << I.Name() << " has broken dep on " << Start.TargetPkg().Name() << endl;
-
+ clog << "Package " << I.Name() << " has broken " << Start.DepType() << " on " << Start.TargetPkg().Name() << endl;
+
// Look at all the possible provides on this package
SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
for (pkgCache::Version **V = VList; *V != 0; V++)
@@ -1219,7 +1257,7 @@ bool pkgProblemResolver::ResolveByKeep()
if ((Flags[I->ID] & Protected) == 0)
{
if (Debug == true)
- clog << " Keeping Package " << Pkg.Name() << " due to dep" << endl;
+ clog << " Keeping Package " << Pkg.Name() << " due to " << Start.DepType() << endl;
Cache.MarkKeep(Pkg, false, false);
}
@@ -1276,7 +1314,6 @@ void pkgProblemResolver::InstallProtect()
}
}
/*}}}*/
-
// PrioSortList - Sort a list of versions by priority /*{{{*/
// ---------------------------------------------------------------------
/* This is ment to be used in conjunction with AllTargets to get a list
@@ -1307,7 +1344,6 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
qsort(List,Count,sizeof(*List),PrioComp);
}
/*}}}*/
-
// CacheFile::ListUpdate - update the cache files /*{{{*/
// ---------------------------------------------------------------------
/* This is a simple wrapper to update the cache. it will fetch stuff
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 22:24:38 +0000