Remove audio hooks, use extra script

i3/scripts/bar-update

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [[ "$1" ]] ; then
+    modules="$1"
+else
+    modules=all
+fi
+
+py3-cmd refresh "$modules"

i3/scripts/pa-volume

@@ -77,6 +77,10 @@ usage() {
     echo "$0 set-vol VOL_PERC"
 }
 
+update_status_bar() {
+    ~/.i3/scripts/bar-update volume_status
+}
+
 case "$1" in
     "sink")
         echo $SINKNAME
@@ -91,19 +95,19 @@ case "$1" in
         else
             setvol "$2"
         fi
-        hook="$3"
+        update_status_bar
         ;;
     "mute")
         mute
-        hook="$2"
+        update_status_bar
         ;;
     "unmute")
         unmute
-        hook="$2"
+        update_status_bar
         ;;
     "mute-toggle")
         mute-toggle
-        hook="$2"
+        update_status_bar
         ;;
     "is-muted")
         echo $(ismuted)
@@ -113,10 +117,4 @@ case "$1" in
         ;;
     *)
         usage
-        ;;
 esac
-
-if [[ -n "$hook" ]] ; then
-    echo "volume changed, executing hook: $hook"
-    $hook
-fi