+// DepCache::ReInstallPseudoForGroup - MultiArch helper for Update() /*{{{*/
+// ---------------------------------------------------------------------
+/* RemovePseudoInstalledPkg() is very successful. It even kills packages
+ to an amount that no pseudo package is left, but we need a pseudo package
+ for upgrading senarios so we need to reinstall one pseudopackage which
+ doesn't break everything. Thankfully we can't have architecture depending
+ negative dependencies so this problem is already eliminated */
+bool pkgDepCache::ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set<unsigned long> &recheck)
+{
+ if (P->CurrentVer != 0)
+ return true;
+ // recursive call for packages which provide this package
+ for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() != true; ++Prv)
+ ReInstallPseudoForGroup(Prv.OwnerPkg(), recheck);
+ // check if we actually need to look at this group
+ unsigned long const G = P->Group;
+ std::set<unsigned long>::const_iterator Pi = recheck.find(G);
+ if (Pi == recheck.end())
+ return true;
+ recheck.erase(Pi); // remove here, so we can't fall into an endless loop
+ if (unlikely(ReInstallPseudoForGroup(G, recheck) == false))
+ {
+ recheck.insert(G);
+ return false;
+ }
+ return true;
+}
+bool pkgDepCache::ReInstallPseudoForGroup(unsigned long const &G, std::set<unsigned long> &recheck)
+{
+ std::vector<std::string> static const Archs = APT::Configuration::getArchitectures();
+ pkgCache::GrpIterator Grp(*Cache, Cache->GrpP + G);
+ if (unlikely(Grp.end() == true))
+ return false;
+ for (std::vector<std::string>::const_iterator a = Archs.begin();
+ a != Archs.end(); ++a)
+ {
+ pkgCache::PkgIterator P = Grp.FindPkg(*a);
+ if (P.end() == true)
+ continue;
+ pkgCache::VerIterator allV = Grp.FindPkg("all").CurrentVer();
+ for (VerIterator V = P.VersionList(); V.end() != true; ++V)
+ {
+ // search for the same version as the all package
+ if (allV->Hash != V->Hash || strcmp(allV.VerStr(),V.VerStr()) != 0)
+ continue;
+ unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+ // If it is broken, try to install dependencies first before retry
+ if ((CurDepState & DepInstMin) != DepInstMin)
+ {
+ for (pkgCache::DepIterator D = V.DependsList(); D.end() != true; ++D)
+ {
+ if (D->Type != pkgCache::Dep::PreDepends && D->Type != pkgCache::Dep::Depends)
+ continue;
+ ReInstallPseudoForGroup(D.TargetPkg(), recheck);
+ }
+ unsigned char const CurDepState = VersionState(V.DependsList(),DepInstall,DepInstMin,DepInstPolicy);
+ // if package ist still broken… try another arch
+ if ((CurDepState & DepInstMin) != DepInstMin)
+ break;
+ }
+ // dependencies satisfied: reinstall the package
+ RemoveSizes(P);
+ RemoveStates(P);
+ P->CurrentVer = V.Index();
+ PkgState[P->ID].InstallVer = V;
+ AddStates(P);
+ Update(P);
+ AddSizes(P);
+ return true;
+ }
+ }
+ return false;
+}
+ /*}}}*/
projects / apt.git / blobdiff