Silence bash's output before reading from pipe in atom.sh

atom.sh

@@ -146,17 +146,20 @@ on_die() {
 }
 trap 'on_die' SIGQUIT SIGTERM
 
-# If the wait flag is set, don't exit this process until Atom tells it to.
+# If the wait flag is set, don't exit this process until Atom kills it.
 if [ $WAIT ]; then
  WAIT_FIFO="$ATOM_HOME/.wait_fifo"
- while true; do
- [ -f "$WAIT_FIFO" ] && rm "$WAIT_FIFO"
- [ ! -p "$WAIT_FIFO" ] && mkfifo "$WAIT_FIFO"
- read < "$WAIT_FIFO" || break
- sleep 1 # prevent a tight loop
- done
 
- # fall back to sleep
+ if [ ! -p "$WAIT_FIFO" ]; then
+ rm -f "$WAIT_FIFO"
+ mkfifo "$WAIT_FIFO"
+ fi
+
+ # Block endlessly by reading from a named pipe.
+ exec 2>/dev/null
+ read < "$WAIT_FIFO"
+
+ # If the read completes for some reason, fall back to sleeping in a loop.
  while true; do
  sleep 1
  done