#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>
/*}}}*/
/* The legacy translations here of input Pkg iterators is obsolete,
this is not necessary since the pkgCaches are fully shared now. */
pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache),
- iPolicy(Cache),
+ d(NULL), iPolicy(Cache),
Sim(&Cache->GetCache(),&iPolicy),
group(Sim)
{
return Fix.Resolve(true);
}
/*}}}*/
-// DistUpgrade - Distribution upgrade /*{{{*/
-// ---------------------------------------------------------------------
-/* This autoinstalls every package and then force installs every
- pre-existing package. This creates the initial set of conditions which
- most likely contain problems because too many things were installed.
-
- The problem resolver is used to resolve the problems.
- */
-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
- in versioned or-groups to upgrade the old solver instead of installing
- a new one (if the old solver is not the first one [anymore]) */
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- if (I->CurrentVer != 0)
- Cache.MarkInstall(I, false, 0, false);
-
- /* Auto upgrade all installed packages, this provides the basis
- for the installation */
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- if (I->CurrentVer != 0)
- Cache.MarkInstall(I, true, 0, false);
-
- /* Now, install each essential package which is not installed
- (and not provided by another package in the same name group) */
- std::string essential = _config->Find("pkgCacheGen::Essential", "all");
- if (essential == "all")
- {
- for (pkgCache::GrpIterator G = Cache.GrpBegin(); G.end() == false; ++G)
- {
- bool isEssential = false;
- bool instEssential = false;
- for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P))
- {
- if ((P->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
- continue;
- isEssential = true;
- if (Cache[P].Install() == true)
- {
- instEssential = true;
- break;
- }
- }
- if (isEssential == false || instEssential == true)
- continue;
- pkgCache::PkgIterator P = G.FindPreferredPkg();
- Cache.MarkInstall(P, true, 0, false);
- }
- }
- else if (essential != "none")
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- Cache.MarkInstall(I, true, 0, false);
-
- /* We do it again over all previously installed packages to force
- conflict resolution on them all. */
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- if (I->CurrentVer != 0)
- Cache.MarkInstall(I, false, 0, false);
-
- pkgProblemResolver Fix(&Cache);
-
- // Hold back held packages.
- if (_config->FindB("APT::Ignore-Hold",false) == false)
- {
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- {
- if (I->SelectedState == pkgCache::State::Hold)
- {
- Fix.Protect(I);
- Cache.MarkKeep(I, false, false);
- }
- }
- }
-
- return Fix.Resolve();
-}
- /*}}}*/
-// AllUpgrade - Upgrade as many packages as possible /*{{{*/
-// ---------------------------------------------------------------------
-/* Right now the system must be consistent before this can be called.
- It also will not change packages marked for install, it only tries
- 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);
-
- if (Cache.BrokenCount() != 0)
- return false;
-
- // Upgrade all installed packages
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- {
- if (Cache[I].Install() == true)
- Fix.Protect(I);
-
- if (_config->FindB("APT::Ignore-Hold",false) == false)
- if (I->SelectedState == pkgCache::State::Hold)
- continue;
-
- if (I->CurrentVer != 0 && Cache[I].InstallVer != 0)
- Cache.MarkInstall(I, false, 0, false);
- }
-
- return Fix.ResolveByKeep();
-}
- /*}}}*/
-// MinimizeUpgrade - Minimizes the set of packages to be upgraded /*{{{*/
-// ---------------------------------------------------------------------
-/* This simply goes over the entire set of packages and tries to keep
- each package marked for upgrade. If a conflict is generated then
- the package is restored. */
-bool pkgMinimizeUpgrade(pkgDepCache &Cache)
-{
- pkgDepCache::ActionGroup group(Cache);
-
- if (Cache.BrokenCount() != 0)
- return false;
-
- // We loop for 10 tries to get the minimal set size.
- bool Change = false;
- unsigned int Count = 0;
- do
- {
- Change = false;
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- {
- // Not interesting
- if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
- continue;
-
- // Keep it and see if that is OK
- Cache.MarkKeep(I, false, false);
- if (Cache.BrokenCount() != 0)
- Cache.MarkInstall(I, false, 0, false);
- else
- {
- // If keep didnt actually do anything then there was no change..
- if (Cache[I].Upgrade() == false)
- Change = true;
- }
- }
- ++Count;
- }
- while (Change == true && Count < 10);
-
- if (Cache.BrokenCount() != 0)
- return _error->Error("Internal Error in pkgMinimizeUpgrade");
-
- return true;
-}
- /*}}}*/
// ProblemResolver::pkgProblemResolver - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
unsigned long Size = Cache.Head().PackageCount;
memset(Scores,0,sizeof(*Scores)*Size);
- // Maps to pkgCache::State::VerPriority
- // which is "Important Required Standard Optional Extra"
- // (yes, that is confusing, the order of pkgCache::State::VerPriority
- // needs to be adjusted but that requires a ABI break)
+ // maps to pkgCache::State::VerPriority:
+ // Required Important Standard Optional Extra
int PrioMap[] = {
0,
- _config->FindI("pkgProblemResolver::Scores::Important",2),
_config->FindI("pkgProblemResolver::Scores::Required",3),
+ _config->FindI("pkgProblemResolver::Scores::Important",2),
_config->FindI("pkgProblemResolver::Scores::Standard",1),
_config->FindI("pkgProblemResolver::Scores::Optional",-1),
_config->FindI("pkgProblemResolver::Scores::Extra",-2)
};
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);
<< " 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;
/* 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) */
+ a conflicts on a powerful normal package (ie libc6) */
if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential
|| (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
Score += PrioEssentials;
- // We transform the priority
- if (Cache[I].InstVerIter(Cache)->Priority <= 5)
- Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
-
+ pkgCache::VerIterator const InstVer = Cache[I].InstVerIter(Cache);
+ // We apply priorities only to downloadable packages, all others are prio:extra
+ // as an obsolete prio:standard package can't be that standard anymore…
+ if (InstVer->Priority <= pkgCache::State::Extra && InstVer.Downloadable() == true)
+ Score += PrioMap[InstVer->Priority];
+ else
+ Score += PrioMap[pkgCache::State::Extra];
+
/* This helps to fix oddball problems with conflicting packages
- on the same level. We enhance the score of installed packages
- if those are not obsolete
- */
+ 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::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- {
- if (Cache[I].InstallVer == 0)
- continue;
-
- for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D)
+ // propagate score points along dependencies
+ for (pkgCache::DepIterator D = InstVer.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) == false)
+ 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);
+ std::unique_ptr<int[]> OldScores(new int[Size]);
+ memcpy(OldScores.get(),Scores,sizeof(*Scores)*Size);
/* Now we cause 1 level of dependency inheritance, that is we add the
score of the packages that depend on the target Package. This
D->Type != pkgCache::Dep::Recommends))
continue;
- Scores[I->ID] += abs(OldScores[D.ParentPkg()->ID]);
+ // Do not propagate negative scores otherwise
+ // an extra (-2) package might score better than an optional (-1)
+ if (OldScores[D.ParentPkg()->ID] > 0)
+ Scores[I->ID] += OldScores[D.ParentPkg()->ID];
}
}
- /* Now we propogate along provides. This makes the packages that
+ /* Now we propagate along provides. This makes the packages that
provide important packages extremely important */
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
{
}
/*}}}*/
// ProblemResolver::Resolve - calls a resolver to fix the situation /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool pkgProblemResolver::Resolve(bool BrokenFix)
+bool pkgProblemResolver::Resolve(bool BrokenFix, OpProgress * const Progress)
{
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);
- }
+ if (solver != "internal")
+ return EDSP::ResolveExternal(solver.c_str(), Cache, false, false, false, Progress);
return ResolveInternal(BrokenFix);
}
/*}}}*/
adjusting the package will inflict.
It goes from highest score to lowest and corrects all of the breaks by
- keeping or removing the dependant packages. If that fails then it removes
+ keeping or removing the dependent packages. If that fails then it removes
the package itself and goes on. The routine should be able to intelligently
go from any broken state to a fixed state.
}
while (Again == true);
- if (Debug == true)
- clog << "Starting" << endl;
+ if (Debug == true) {
+ clog << "Starting pkgProblemResolver with broken count: "
+ << Cache.BrokenCount() << endl;
+ }
MakeScores();
operates from highest score to lowest. This prevents problems when
high score packages cause the removal of lower score packages that
would cause the removal of even lower score packages. */
- SPtrArray<pkgCache::Package *> PList = new pkgCache::Package *[Size];
- pkgCache::Package **PEnd = PList;
+ std::unique_ptr<pkgCache::Package *[]> PList(new pkgCache::Package *[Size]);
+ pkgCache::Package **PEnd = PList.get();
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
*PEnd++ = I;
This = this;
- qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
+ qsort(PList.get(),PEnd - PList.get(),sizeof(PList[0]),&ScoreSort);
if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
{
clog << "Show Scores" << endl;
- for (pkgCache::Package **K = PList; K != PEnd; K++)
+ for (pkgCache::Package **K = PList.get(); K != PEnd; K++)
if (Scores[(*K)->ID] != 0)
{
pkgCache::PkgIterator Pkg(Cache,*K);
}
}
- if (Debug == true)
- clog << "Starting 2" << endl;
+ if (Debug == true) {
+ clog << "Starting 2 pkgProblemResolver with broken count: "
+ << Cache.BrokenCount() << 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
for (int Counter = 0; Counter != 10 && Change == true; Counter++)
{
Change = false;
- for (pkgCache::Package **K = PList; K != PEnd; K++)
+ for (pkgCache::Package **K = PList.get(); K != PEnd; K++)
{
pkgCache::PkgIterator I(Cache,*K);
/* Look across the version list. If there are no possible
targets then we keep the package and bail. This is necessary
- if a package has a dep on another package that cant be found */
- SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
- if (*VList == 0 && (Flags[I->ID] & Protected) != Protected &&
+ if a package has a dep on another package that can't be found */
+ std::unique_ptr<pkgCache::Version *[]> VList(Start.AllTargets());
+ if (VList[0] == 0 && (Flags[I->ID] & Protected) != Protected &&
Start.IsNegative() == false &&
Cache[I].NowBroken() == false)
{
}
bool Done = false;
- for (pkgCache::Version **V = VList; *V != 0; V++)
+ for (pkgCache::Version **V = VList.get(); *V != 0; V++)
{
pkgCache::VerIterator Ver(Cache,*V);
pkgCache::PkgIterator Pkg = Ver.ParentPkg();
}
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 */
/* 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()
+bool pkgProblemResolver::ResolveByKeep(OpProgress * const Progress)
{
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);
- }
+ if (solver != "internal")
+ return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, Progress);
return ResolveByKeepInternal();
}
/*}}}*/
continue;
/* Keep the package. If this works then great, otherwise we have
- to be significantly more agressive and manipulate its dependencies */
+ to be significantly more aggressive and manipulate its dependencies */
if ((Flags[I->ID] & Protected) == 0)
{
if (Debug == true)
clog << "Package " << I.FullName(false) << " " << Start << endl;
// Look at all the possible provides on this package
- SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
- for (pkgCache::Version **V = VList; *V != 0; V++)
+ std::unique_ptr<pkgCache::Version *[]> VList(Start.AllTargets());
+ for (pkgCache::Version **V = VList.get(); *V != 0; V++)
{
pkgCache::VerIterator Ver(Cache,*V);
pkgCache::PkgIterator Pkg = Ver.ParentPkg();
return true;
}
/*}}}*/
-// ProblemResolver::InstallProtect - Install all protected packages /*{{{*/
+// ProblemResolver::InstallProtect - deprecated cpu-eating no-op /*{{{*/
// ---------------------------------------------------------------------
-/* This is used to make sure protected packages are installed */
+/* Actions issued with FromUser bit set are protected from further
+ modification (expect by other calls with FromUser set) nowadays , so we
+ don't need to reissue actions here, they are already set in stone. */
void pkgProblemResolver::InstallProtect()
{
pkgDepCache::ActionGroup group(Cache);
qsort(List,Count,sizeof(*List),PrioComp);
}
/*}}}*/
-// 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)
- */
-bool ListUpdate(pkgAcquireStatus &Stat,
- pkgSourceList &List,
- int PulseInterval)
-{
- pkgAcquire Fetcher;
- if (Fetcher.Setup(&Stat, _config->FindDir("Dir::State::Lists")) == false)
- return false;
-
- // Populate it with the source selection
- 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
- if (RunUpdateScripts == true)
- RunScripts("APT::Update::Pre-Invoke");
-
- pkgAcquire::RunResult res;
- 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 && ListCleanup == true &&
- (_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 (RunUpdateScripts == true)
- {
- if(!TransientNetworkFailure && !Failed)
- RunScripts("APT::Update::Post-Invoke-Success");
-
- // Run the other scripts
- RunScripts("APT::Update::Post-Invoke");
- }
- return true;
-}
- /*}}}*/
projects / apt.git / blobdiff