// ---------------------------------------------------------------------
/* */
void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
- unsigned long Depth, bool FromUser)
- unsigned long Depth, bool ForceImportantDeps)
++ unsigned long Depth, bool FromUser,
++ bool ForceImportantDeps)
{
if (Depth > 100)
return;
std::clog << "Installing " << InstPkg.Name()
<< " as dep of " << Pkg.Name()
<< std::endl;
- MarkInstall(InstPkg, true, Depth + 1, false);
- MarkInstall(InstPkg,true,Depth + 1, ForceImportantDeps);
-
- // Set the autoflag, after MarkInstall because MarkInstall unsets it
++ MarkInstall(InstPkg, true, Depth + 1, false, ForceImportantDeps);
++ // Set the autoflag, after MarkInstall because MarkInstall
++ // unsets it
+ if (P->CurrentVer == 0)
+ PkgState[InstPkg->ID].Flags |= Flag::Auto;
}
-
continue;
}
/* */
bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep)
{
- return Dep.IsCritical();
+ if(Dep.IsCritical())
+ return true;
+ else if(Dep->Type == pkgCache::Dep::Recommends)
+ return _config->FindB("APT::Install-Recommends", false);
+ else if(Dep->Type == pkgCache::Dep::Suggests)
+ return _config->FindB("APT::Install-Suggests", false);
+
+ return false;
}
/*}}}*/
+
+pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc()
+ : constructedSuccessfully(false)
+{
+ Configuration::Item const *Opts;
+ Opts = _config->Tree("APT::NeverAutoRemove");
+ if (Opts != 0 && Opts->Child != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+
+ regex_t *p = new regex_t;
+ if(regcomp(p,Opts->Value.c_str(),
+ REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
+ {
+ regfree(p);
+ delete p;
+ _error->Error("Regex compilation error for APT::NeverAutoRemove");
+ return;
+ }
+
+ rootSetRegexp.push_back(p);
+ }
+ }
+
+ constructedSuccessfully = true;
+}
+
+pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc()
+{
+ for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
+ {
+ regfree(rootSetRegexp[i]);
+ delete rootSetRegexp[i];
+ }
+}
+
+
+bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg)
+{
+ for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
+ if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0)
+ return true;
+
+ return false;
+}
+
+pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc()
+{
+ DefaultRootSetFunc *f = new DefaultRootSetFunc;
+ if(f->wasConstructedSuccessfully())
+ return f;
+ else
+ {
+ delete f;
+ return NULL;
+ }
+}
+
+bool pkgDepCache::MarkFollowsRecommends()
+{
+ return _config->FindB("APT::AutoRemove::RecommendsImportant", true);
+}
+
+bool pkgDepCache::MarkFollowsSuggests()
+{
+ return _config->FindB("APT::AutoRemove::SuggestsImportant", false);
+}
+
+// the main mark algorithm
+bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
+{
+ bool follow_recommends;
+ bool follow_suggests;
+
+ // init the states
+ for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ {
+ PkgState[p->ID].Marked = false;
+ PkgState[p->ID].Garbage = false;
+
+ // debug output
+ if(_config->FindB("Debug::pkgAutoRemove",false)
+ && PkgState[p->ID].Flags & Flag::Auto)
+ std::clog << "AutoDep: " << p.Name() << std::endl;
+ }
+
+ // init vars
+ follow_recommends = MarkFollowsRecommends();
+ follow_suggests = MarkFollowsSuggests();
+
+
+
+ // do the mark part, this is the core bit of the algorithm
+ for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+ {
+ if(!(PkgState[p->ID].Flags & Flag::Auto) ||
+ (p->Flags & Flag::Essential) ||
+ userFunc.InRootSet(p))
+
+ {
+ // the package is installed (and set to keep)
+ if(PkgState[p->ID].Keep() && !p.CurrentVer().end())
+ MarkPackage(p, p.CurrentVer(),
+ follow_recommends, follow_suggests);
+ // the package is to be installed
+ else if(PkgState[p->ID].Install())
+ MarkPackage(p, PkgState[p->ID].InstVerIter(*this),
+ follow_recommends, follow_suggests);
+ }
+ }
+
+ return true;
+}
+
+// mark a single package in Mark-and-Sweep
+void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
+ const pkgCache::VerIterator &ver,
+ bool follow_recommends,
+ bool follow_suggests)
+{
+ pkgDepCache::StateCache &state = PkgState[pkg->ID];
+ VerIterator candver = state.CandidateVerIter(*this);
+ VerIterator instver = state.InstVerIter(*this);
+
+#if 0
+ // If a package was garbage-collected but is now being marked, we
+ // should re-select it
+ // For cases when a pkg is set to upgrade and this trigger the
+ // removal of a no-longer used dependency. if the pkg is set to
+ // keep again later it will result in broken deps
+ if(state.Delete() && state.RemoveReason = Unused)
+ {
+ if(ver==candver)
+ mark_install(pkg, false, false, NULL);
+ else if(ver==pkg.CurrentVer())
+ MarkKeep(pkg, false, false);
+
+ instver=state.InstVerIter(*this);
+ }
+#endif
+
+ // Ignore versions other than the InstVer, and ignore packages
+ // that are already going to be removed or just left uninstalled.
+ if(!(ver == instver && !instver.end()))
+ return;
+
+ // if we are marked already we are done
+ if(state.Marked)
+ return;
+
+ //std::cout << "Setting Marked for: " << pkg.Name() << std::endl;
+ state.Marked=true;
+
+ if(!ver.end())
+ {
+ for(DepIterator d = ver.DependsList(); !d.end(); ++d)
+ {
+ if(d->Type == Dep::Depends ||
+ d->Type == Dep::PreDepends ||
+ (follow_recommends &&
+ d->Type == Dep::Recommends) ||
+ (follow_suggests &&
+ d->Type == Dep::Suggests))
+ {
+ // Try all versions of this package.
+ for(VerIterator V = d.TargetPkg().VersionList();
+ !V.end(); ++V)
+ {
+ if(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
+ {
+ MarkPackage(V.ParentPkg(), V,
+ follow_recommends, follow_suggests);
+ }
+ }
+ // Now try virtual packages
+ for(PrvIterator prv=d.TargetPkg().ProvidesList();
+ !prv.end(); ++prv)
+ {
+ if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp,
+ d.TargetVer()))
+ {
+ MarkPackage(prv.OwnerPkg(), prv.OwnerVer(),
+ follow_recommends, follow_suggests);
+ }
+ }
+ }
+ }
+ }
+}
+
+bool pkgDepCache::Sweep()
+{
+ // do the sweep
+ for(PkgIterator p=PkgBegin(); !p.end(); ++p)
+ {
+ StateCache &state=PkgState[p->ID];
+
+ // if it is not marked and it is installed, it's garbage
+ if(!state.Marked && (!p.CurrentVer().end() || state.Install()) &&
+ !state.Delete())
+ {
+ state.Garbage=true;
+ if(_config->FindB("Debug::pkgAutoRemove",false))
+ std::cout << "Garbage: " << p.Name() << std::endl;
+ }
+ }
+
+ return true;
+}
inline StateCache &operator [](PkgIterator const &I) {return PkgState[I->ID];};
inline unsigned char &operator [](DepIterator const &I) {return DepState[I->ID];};
- // Manipulators
- void MarkKeep(PkgIterator const &Pkg,bool Soft = false);
+ /** \return A function identifying packages in the root set other
+ * than manually installed packages and essential packages, or \b
+ * NULL if an error occurs.
+ *
+ * \todo Is this the best place for this function? Perhaps the
+ * settings for mark-and-sweep should be stored in a single
+ * external class?
+ */
+ virtual InRootSetFunc *GetRootSetFunc();
+
+ /** \return \b true if the garbage collector should follow recommendations.
+ */
+ virtual bool MarkFollowsRecommends();
+
+ /** \return \b true if the garbage collector should follow suggestions.
+ */
+ virtual bool MarkFollowsSuggests();
+
+ /** \brief Update the Marked and Garbage fields of all packages.
+ *
+ * This routine is implicitly invoked after all state manipulators
+ * and when an ActionGroup is destroyed. It invokes #MarkRequired
+ * and #Sweep to do its dirty work.
+ *
+ * \param rootFunc A predicate that returns \b true for packages
+ * that should be added to the root set.
+ */
+ bool MarkAndSweep(InRootSetFunc &rootFunc)
+ {
+ return MarkRequired(rootFunc) && Sweep();
+ }
+
+ bool MarkAndSweep()
+ {
+ std::auto_ptr<InRootSetFunc> f(GetRootSetFunc());
+ if(f.get() != NULL)
+ return MarkAndSweep(*f.get());
+ else
+ return false;
+ }
+
+ /** \name State Manipulators
+ */
+ // @{
+ void MarkKeep(PkgIterator const &Pkg, bool Soft = false,
+ bool FromUser = true);
void MarkDelete(PkgIterator const &Pkg,bool Purge = false);
void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,
- unsigned long Depth = 0, bool FromUser = true);
- unsigned long Depth = 0, bool ForceImportantDeps = false);
++ unsigned long Depth = 0, bool FromUser = true,
++ bool ForceImportantDeps = false);
void SetReInstall(PkgIterator const &Pkg,bool To);
void SetCandidateVersion(VerIterator TargetVer);
+
+ /** Set the "is automatically installed" flag of Pkg. */
+ void MarkAuto(const PkgIterator &Pkg, bool Auto);
+ // @}
// This is for debuging
void Update(OpProgress *Prog = 0);
if (pkgApplyStatus(*DCache) == false)
return false;
- DCache->MarkInstall(I,true,0,true);
+ if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true)
+ {
+ FixBroken = true;
+ if ((DCache->PolicyBrokenCount() > 0))
+ {
+ // upgrade all policy-broken packages with ForceImportantDeps=True
+ for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); I++)
+ if ((*DCache)[I].NowPolicyBroken() == true)
++ DCache->MarkInstall(I,true,0, false, true);
+ }
+ }
+
// Nothing is broken
if (DCache->BrokenCount() == 0 || AllowBroken == true)
return true;
{0,"remove","APT::Get::Remove",0},
{0,"only-source","APT::Get::Only-Source",0},
{0,"arch-only","APT::Get::Arch-Only",0},
+ {0,"auto-remove","APT::Get::AutomaticRemove",0},
{0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0},
+ {0,"install-recommends","APT::Install-Recommends",CommandLine::Boolean},
+ {0,"fix-policy","APT::Get::Fix-Policy-Broken",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{0,0,0,0}};
projects / apt.git / commitdiff
