[gentoo-user] bash completion doesn't always work with sudo

[Nikos Chantziaras]

I have a problem where commands preceded by "sudo" are not always 
auto-completed. This happens with executables that don't have user 
execute permission. For example, net-analyzer/tcptraceroute installs 
this binary:

 -rws--x--- 1 root wheel 35536 Mar  8 23:32 /usr/sbin/tcptraceroute
Typing:

  sudo tcptr[TAB]

does not auto-complete. Changing the permissions:

  chmod a+x /usr/sbin/tcptraceroute

makes it work.

Is there a way to make bash-completion work without having to modify the 
permissions?