+// DepCache::RemovePseudoInstalledPkg - MultiArch helper for Update() /*{{{*/
+// ---------------------------------------------------------------------
+/* We "install" arch all packages for all archs if it is installed. Many
+ of these will be broken. This method will look at these broken Pkg and
+ "remove" it. */
+bool pkgDepCache::RemovePseudoInstalledPkg(PkgIterator &Pkg, std::set<unsigned long> &recheck) {
+ if (unlikely(Pkg->CurrentVer == 0))
+ return false;
+
+ VerIterator V = Pkg.CurrentVer();
+ if (V->MultiArch != Version::All)
+ return false;
+
+ // Never ever kill an "all" package - they have no dependency so they can't be broken
+ if (strcmp(Pkg.Arch(),"all") == 0)
+ return false;
+
+ unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+ if ((CurDepState & DepInstMin) == DepInstMin) {
+ // okay, the package isn't broken, but is the package also required?
+ // If it has no real dependencies, no installed rdepends and doesn't
+ // provide something of value, we will kill it as not required.
+ // These pseudopackages have otherwise interesting effects if they get
+ // a new dependency in a newer version…
+ for (pkgCache::DepIterator D = V.DependsList();
+ D.end() != true; ++D)
+ if (D.IsCritical() == true && D.ParentPkg()->Group != Pkg->Group)
+ return false;
+ for (DepIterator D = Pkg.RevDependsList(); D.end() != true; ++D)
+ {
+ if (D.IsCritical() == false)
+ continue;
+ PkgIterator const P = D.ParentPkg();
+ if (P->Group == Pkg->Group)
+ continue;
+ if (P->CurrentVer != 0)
+ return false;
+ }
+ for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++)
+ for (DepIterator d = Prv.ParentPkg().RevDependsList();
+ d.end() != true; ++d)
+ {
+ PkgIterator const P = d.ParentPkg();
+ if (P->CurrentVer != 0 &&
+ P->Group != Pkg->Group)
+ return false;
+ }
+ }
+
+ // Dependencies for this arch all package are not statisfied
+ // so we installed it only for our convenience: get right of it now.
+ RemoveSizes(Pkg);
+ RemoveStates(Pkg);
+
+ Pkg->CurrentVer = 0;
+ PkgState[Pkg->ID].InstallVer = 0;
+
+ AddStates(Pkg);
+ Update(Pkg);
+ AddSizes(Pkg);
+
+ // After the remove previously satisfied pseudo pkg could be now
+ // no longer satisfied, so we need to recheck the reverse dependencies
+ for (DepIterator d = Pkg.RevDependsList(); d.end() != true; ++d)
+ {
+ PkgIterator const P = d.ParentPkg();
+ if (P->CurrentVer != 0)
+ recheck.insert(P.Index());
+ }
+
+ for (DepIterator d = V.DependsList(); d.end() != true; ++d)
+ {
+ PkgIterator const P = d.TargetPkg();
+ for (PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv)
+ {
+ PkgIterator const O = Prv.OwnerPkg();
+ if (O->CurrentVer != 0)
+ recheck.insert(O.Index());
+ }
+
+ if (P->CurrentVer != 0)
+ recheck.insert(P.Index());
+ }
+
+ for (PrvIterator Prv = V.ProvidesList(); Prv.end() != true; Prv++)
+ {
+ for (DepIterator d = Prv.ParentPkg().RevDependsList();
+ d.end() != true; ++d)
+ {
+ PkgIterator const P = d.ParentPkg();
+ if (P->CurrentVer == 0)
+ continue;
+
+ recheck.insert(P.Index());
+ }
+ }
+
+
+ return true;
+}
+ /*}}}*/
projects / apt.git / blobdiff