- std::string const NewSite = NewURI.substr(0, NewURI.length() - OldExtra.length());
- Owner->UsedMirror = URI::ArchiveOnly(NewSite);
- if (desc.Description.find(" ") != string::npos)
- desc.Description.replace(0, desc.Description.find(" "), Owner->UsedMirror);
+ std::string const OldExtra = desc.URI.substr(OldSite.length() + 1);
+ if (likely(APT::String::Endswith(NewURI, OldExtra)))
+ {
+ std::string const NewSite = NewURI.substr(0, NewURI.length() - OldExtra.length());
+ Owner->UsedMirror = URI::ArchiveOnly(NewSite);
+ desc.Description.replace(0, firstSpace, Owner->UsedMirror);
+ }