external/bsd/dhcpcd/dist/dhcpcd-hooks/30-hostname

   1 # Set the hostname from DHCP data if required
   2
   3 need_hostname()
   4 {
   5         local hostname=""
   6
   7         case "$force_hostname" in
   8         [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) ;;
   9         *) hostname="$(hostname)";;
  10         esac
  11         case "$hostname" in
  12         ""|"(none)"|localhost|localhost.localdomain)
  13                 [ -n "$new_host_name" -o -n "$new_fqdn_name" ];;
  14         "$old_host_name"|"$old_fqdn_name")
  15                 true;;
  16         *)
  17                 false;;
  18         esac
  19 }
  20
  21 set_hostname()
  22 {
  23         if need_hostname; then
  24                 if [ -n "$new_host_name" ]; then
  25                         hostname "$new_host_name"
  26                 elif [ -n "$new_fqdn_name" ]; then
  27                         hostname "$new_fqdn_name"
  28                 fi
  29         fi
  30 }
  31
  32 case "$reason" in
  33 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        set_hostname;;
  34 esac