##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/algorithms.h"
-#endif
#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 <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
#include <iostream>
/*}}}*/
using namespace std;
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];
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);
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 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
+ << " 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++)
{
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) */
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];
/* This helps to fix oddball problems with conflicting packages
- on the same level. We enhance the score of installed packages */
- if (I->CurrentVer != 0)
- Score += 1;
+ 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 += PrioInstalledAndNotObsolete;
}
// Now that we have the base scores we go and propogate 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]++;
+ Scores[D.TargetPkg()->ID]+= PrioDepends;
}
}
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 /*{{{*/
*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
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)
}
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
// Consider other options
if (InOr == false)
{
- if (Debug == true)
- clog << " Removing " << I.Name() << " rather than change " << Start.TargetPkg().Name() << endl;
- Cache.MarkDelete(I);
- if (Counter > 1)
+ if (Cache.AutoInstOk(I, Cache[I].CandidateVerIter(Cache),Start) == true)
{
- if (Scores[Pkg->ID] > Scores[I->ID])
- Scores[I->ID] = Scores[Pkg->ID];
- }
- }
+ 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];
+ }
+ } else {
+ /* The dependency of the TargetPkg would be satisfiable with I but it is
+ forbidden to install I automatical, so anything we can do is hold
+ back the TargetPkg.
+ */
+ if (Debug == true)
+ clog << " Hold back " << Start.TargetPkg().Name() <<
+ " rather than change denied AutoInstall " << I.Name() << endl;
+ Cache.MarkKeep(Start.TargetPkg());
+ }
+ }
}
}
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() <<endl;
- Cache.MarkKeep(I, false, false);
- continue;
}
// Skip adding to the kill list if it is protected
if ((Cache[J->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)
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
*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++)
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++)
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);
}
Cache.MarkDelete(I);
else
{
- // preserver the information if the package was auto
- // or manual installed
+ // 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);
}
}
/*}}}*/
+// 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;
+}
+ /*}}}*/
projects / apt.git / blobdiff