- bool showVirtualPackageErrors(pkgCacheFile &Cache) {
- if (virtualPkgs.empty() == true)
- return true;
- for (APT::PackageSet::const_iterator Pkg = virtualPkgs.begin();
- Pkg != virtualPkgs.end(); ++Pkg) {
- if (Pkg->ProvidesList != 0) {
- ioprintf(c1out,_("Package %s is a virtual package provided by:\n"),
- Pkg.FullName(true).c_str());
-
- pkgCache::PrvIterator I = Pkg.ProvidesList();
- unsigned short provider = 0;
- for (; I.end() == false; ++I) {
- pkgCache::PkgIterator Pkg = I.OwnerPkg();
-
- if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer()) {
- c1out << " " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr();
- if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false)
- c1out << _(" [Installed]");
- c1out << std::endl;
- ++provider;
- }
- }
- // if we found no candidate which provide this package, show non-candidates
- if (provider == 0)
- for (I = Pkg.ProvidesList(); I.end() == false; ++I)
- c1out << " " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr()
- << _(" [Not candidate version]") << std::endl;
- else
- out << _("You should explicitly select one to install.") << std::endl;
- } else {
- ioprintf(c1out,
- _("Package %s is not available, but is referred to by another package.\n"
- "This may mean that the package is missing, has been obsoleted, or\n"
- "is only available from another source\n"),Pkg.FullName(true).c_str());
-
- std::string List;
- std::string VersionsList;
- SPtrArray<bool> Seen = new bool[Cache.GetPkgCache()->Head().PackageCount];
- memset(Seen,0,Cache.GetPkgCache()->Head().PackageCount*sizeof(*Seen));
- APT::PackageList pkglist;
- for (pkgCache::DepIterator Dep = Pkg.RevDependsList();
- Dep.end() == false; ++Dep) {
- if (Dep->Type != pkgCache::Dep::Replaces)
- continue;
- pkgCache::PkgIterator const DP = Dep.ParentPkg();
- if (Seen[DP->ID] == true)
- continue;
- Seen[DP->ID] = true;
- pkglist.insert(DP);
- }
- ShowList(c1out, _("However the following packages replace it:"), pkglist,
- &AlwaysTrue, &PrettyFullName, &EmptyString);
- }
- c1out << std::endl;
- }
- return false;
- }
-
- virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE {
- APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, CacheSetHelper::CANDIDATE);
- if (verset.empty() == false)
- return *(verset.begin());
- else if (ShowError == true) {
- _error->Error(_("Package '%s' has no installation candidate"),Pkg.FullName(true).c_str());
- virtualPkgs.insert(Pkg);
- }
- return pkgCache::VerIterator(Cache, 0);
- }
-
- virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE {
- if (Pkg->ProvidesList != 0)
- {
- APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, CacheSetHelper::NEWEST);
- if (verset.empty() == false)
- return *(verset.begin());
- if (ShowError == true)
- ioprintf(out, _("Virtual packages like '%s' can't be removed\n"), Pkg.FullName(true).c_str());
- }
- else
- {
- pkgCache::GrpIterator Grp = Pkg.Group();
- pkgCache::PkgIterator P = Grp.PackageList();
- for (; P.end() != true; P = Grp.NextPkg(P))
- {
- if (P == Pkg)
- continue;
- if (P->CurrentVer != 0) {
- // TRANSLATORS: Note, this is not an interactive question
- ioprintf(c1out,_("Package '%s' is not installed, so not removed. Did you mean '%s'?\n"),
- Pkg.FullName(true).c_str(), P.FullName(true).c_str());
- break;
- }
- }
- if (P.end() == true)
- ioprintf(c1out,_("Package '%s' is not installed, so not removed\n"),Pkg.FullName(true).c_str());
- }
- return pkgCache::VerIterator(Cache, 0);
- }