[migration] Adds better error reporting when directory metadata doesn't match

migration/gRPC/EosImportDirs.cpp

@@ -270,6 +270,29 @@ bool EosImportDirs::compareMD(const eos::rpc::ContainerMdProto &dir)
      dir.ctime().sec()  != remote_dir.cmd().ctime().sec() ||
      dir.name()         != remote_dir.cmd().name()        ||
      (dir.path() + '/') != remote_dir.cmd().path()) {
+       std::cerr << dir.path() << "/: ";
+       if((dir.path() + '/') != remote_dir.cmd().path()) {
+         std::cerr << "[EOS: " << remote_dir.cmd().path() << "] ";
+       }
+       if(dir.name() != remote_dir.cmd().name()) {
+         std::cerr << "name [DB: " << dir.name() << " EOS: " << remote_dir.cmd().name() << "] ";
+       }
+       if(dir.id() != remote_dir.cmd().id()) {
+         std::cerr << "id [DB: " << dir.id() << " EOS: " << remote_dir.cmd().id() << "] ";
+       }
+       if(dir.uid() != remote_dir.cmd().uid()) {
+         std::cerr << "uid [DB: " << dir.uid() << " EOS: " << remote_dir.cmd().uid() << "] ";
+       }
+       if(dir.gid() != remote_dir.cmd().gid()) {
+         std::cerr << "gid [DB: " << dir.gid() << " EOS: " << remote_dir.cmd().gid()  << "] ";
+       }
+       if(dir.mode() != remote_dir.cmd().mode()) {
+         std::cerr << "mode [DB: " << dir.mode() << " EOS: " << remote_dir.cmd().mode() << "] ";
+       }
+       if(dir.ctime().sec() != remote_dir.cmd().ctime().sec()) {
+         std::cerr << "ctime [DB: " << dir.ctime().sec() << " EOS: " << remote_dir.cmd().ctime().sec() << "] ";
+       }
+    std::cerr << std::endl;
     return false;
   }