user-tools/override/mesg

   1 #!/bin/bash
   2
   3 set -e
   4 set -o pipefail
   5
   6 mesg_cmd=`which -a mesg | grep -vx "$0" | head -n1`
   7
   8 if [ -n "$STY" -a -n "$GNUSCREEN_WINDOWID" ]
   9 then
  10         pty=`screen -S "$STY" -p "$GNUSCREEN_WINDOWID" -Q @echo -p %T`
  11
  12         if ! expr + "$*" : '.*\(-q\|--quiet\)' >/dev/null
  13         then
  14                 echo "mesg: screen tty is $pty" >&2
  15         fi
  16
  17         "$mesg_cmd" "$@" < "/dev/$pty"
  18
  19         if [ -n "$1" ]
  20         then
  21                 [ "$1" = y ] && login=on || login=off
  22                 screen -S "$STY" -p "$GNUSCREEN_WINDOWID" -X @login $login
  23         fi
  24 else
  25         exec "$mesg_cmd" "$@"
  26 fi