+ /*}}}*/
+
+// CacheSetHelper saving virtual packages /*{{{*/
+pkgCache::VerIterator CacheSetHelperVirtuals::canNotGetVersion(
+ enum CacheSetHelper::VerSelector const select,
+ pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg)
+{
+ if (select == NEWEST || select == CANDIDATE || select == ALL)
+ virtualPkgs.insert(Pkg);
+ return CacheSetHelper::canNotGetVersion(select, Cache, Pkg);
+}
+void CacheSetHelperVirtuals::canNotFindVersion(
+ enum CacheSetHelper::VerSelector const select,
+ APT::VersionContainerInterface * vci,
+ pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg)
+{
+ if (select == NEWEST || select == CANDIDATE || select == ALL)
+ virtualPkgs.insert(Pkg);
+ return CacheSetHelper::canNotFindVersion(select, vci, Cache, Pkg);
+}
+static pkgCache::PkgIterator canNotFindPkgName_impl(pkgCacheFile &Cache, std::string const &str)
+{
+ std::string pkg = str;
+ size_t const archfound = pkg.find_last_of(':');
+ std::string arch;
+ if (archfound != std::string::npos) {
+ arch = pkg.substr(archfound+1);
+ pkg.erase(archfound);
+ if (arch == "all" || arch == "native")
+ arch = _config->Find("APT::Architecture");
+ }
+
+ // If we don't find 'foo:amd64' look for 'foo:amd64:any'.
+ // Note: we prepare for an error here as if foo:amd64 does not exist,
+ // but foo:amd64:any it means that this package is only referenced in a
+ // (architecture specific) dependency. We do not add to virtualPkgs directly
+ // as we can't decide from here which error message has to be printed.
+ // FIXME: This doesn't match 'barbarian' architectures
+ pkgCache::PkgIterator Pkg(Cache, 0);
+ std::vector<std::string> const archs = APT::Configuration::getArchitectures();
+ if (archfound == std::string::npos)
+ {
+ for (auto const &a : archs)
+ {
+ Pkg = Cache.GetPkgCache()->FindPkg(pkg + ':' + a, "any");
+ if (Pkg.end() == false && Pkg->ProvidesList != 0)
+ break;
+ }
+ if (Pkg.end() == true)
+ for (auto const &a : archs)
+ {
+ Pkg = Cache.GetPkgCache()->FindPkg(pkg + ':' + a, "any");
+ if (Pkg.end() == false)
+ break;
+ }
+ }
+ else
+ {
+ Pkg = Cache.GetPkgCache()->FindPkg(pkg + ':' + arch, "any");
+ if (Pkg.end() == true)
+ {
+ APT::CacheFilter::PackageArchitectureMatchesSpecification pams(arch);
+ for (auto const &a : archs)
+ {
+ if (pams(a.c_str()) == false)
+ continue;
+ Pkg = Cache.GetPkgCache()->FindPkg(pkg + ':' + a, "any");
+ if (Pkg.end() == false)
+ break;
+ }
+ }
+ }
+ return Pkg;
+}
+pkgCache::PkgIterator CacheSetHelperVirtuals::canNotFindPkgName(pkgCacheFile &Cache, std::string const &str)
+{
+ pkgCache::PkgIterator const Pkg = canNotFindPkgName_impl(Cache, str);
+ if (Pkg.end())
+ return APT::CacheSetHelper::canNotFindPkgName(Cache, str);
+ return Pkg;
+}
+CacheSetHelperVirtuals::CacheSetHelperVirtuals(bool const ShowErrors, GlobalError::MsgType const &ErrorType) :
+ CacheSetHelper{ShowErrors, ErrorType}
+{}
+ /*}}}*/
+
+// CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/
+CacheSetHelperAPTGet::CacheSetHelperAPTGet(std::ostream &pout) :
+ APT::CacheSetHelper{true}, out(pout)
+{
+ explicitlyNamed = true;
+}
+void CacheSetHelperAPTGet::showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern)
+{
+ ioprintf(out, _("Note, selecting '%s' for task '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+}
+void CacheSetHelperAPTGet::showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern)
+{
+ ioprintf(out, _("Note, selecting '%s' for glob '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+}
+void CacheSetHelperAPTGet::showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern)
+{
+ ioprintf(out, _("Note, selecting '%s' for regex '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+}
+void CacheSetHelperAPTGet::showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/, pkgCache::VerIterator const Ver,
+ std::string const &ver, bool const /*verIsRel*/)
+{
+ if (ver == Ver.VerStr())
+ return;
+ selectedByRelease.push_back(make_pair(Ver, ver));
+}
+bool CacheSetHelperAPTGet::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::vector<bool> Seen(Cache.GetPkgCache()->Head().PackageCount, false);
+ 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;
+}
+pkgCache::VerIterator CacheSetHelperAPTGet::canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg)
+{
+ 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);
+}
+pkgCache::VerIterator CacheSetHelperAPTGet::canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg)
+{
+ 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);
+}
+APT::VersionSet CacheSetHelperAPTGet::tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg,
+ CacheSetHelper::VerSelector const select)
+{
+ /* This is a pure virtual package and there is a single available
+ candidate providing it. */
+ if (unlikely(Cache[Pkg].CandidateVer != 0) || Pkg->ProvidesList == 0)
+ return APT::VersionSet();
+
+ pkgCache::PkgIterator Prov;
+ bool found_one = false;
+ for (pkgCache::PrvIterator P = Pkg.ProvidesList(); P; ++P) {
+ pkgCache::VerIterator const PVer = P.OwnerVer();
+ pkgCache::PkgIterator const PPkg = PVer.ParentPkg();
+
+ /* Ignore versions that are not a candidate. */
+ if (Cache[PPkg].CandidateVer != PVer)
+ continue;
+
+ if (found_one == false) {
+ Prov = PPkg;
+ found_one = true;
+ } else if (PPkg != Prov) {
+ // same group, so it's a foreign package
+ if (PPkg->Group == Prov->Group) {
+ // do we already have the requested arch?
+ if (strcmp(Pkg.Arch(), Prov.Arch()) == 0 ||
+ strcmp(Prov.Arch(), "all") == 0 ||
+ unlikely(strcmp(PPkg.Arch(), Prov.Arch()) == 0)) // packages have only on candidate, but just to be sure
+ continue;
+ // see which architecture we prefer more and switch to it
+ std::vector<std::string> archs = APT::Configuration::getArchitectures();
+ if (std::find(archs.begin(), archs.end(), PPkg.Arch()) < std::find(archs.begin(), archs.end(), Prov.Arch()))
+ Prov = PPkg;
+ continue;
+ }
+ found_one = false; // we found at least two
+ break;
+ }
+ }
+
+ if (found_one == true) {
+ ioprintf(out, _("Note, selecting '%s' instead of '%s'\n"),
+ Prov.FullName(true).c_str(), Pkg.FullName(true).c_str());
+ return APT::VersionSet::FromPackage(Cache, Prov, select, *this);
+ }
+ return APT::VersionSet();
+}
+pkgCache::PkgIterator CacheSetHelperAPTGet::canNotFindPkgName(pkgCacheFile &Cache, std::string const &str)
+{
+ pkgCache::PkgIterator const Pkg = canNotFindPkgName_impl(Cache, str);
+ if (Pkg.end())
+ return APT::CacheSetHelper::canNotFindPkgName(Cache, str);
+ return Pkg;
+}
+ /*}}}*/
projects / apt.git / blobdiff