scripts: Remove bar animations from vol/brightness

Removed the ascii-art bar animations calculated for e.g. dunst
notifications for the controls of brightness and volume.

The dunst notifications finally have a working bar slider built into
them when invoked with the correct stack option.

scripts/.local/bin/control-volume

@@ -6,94 +6,92 @@ step=${2:-5dB}
 
 # amixer channel to target
 amixer_quiet() {
-  amixer -c 0 "$@" >/dev/null
+    amixer -c 0 "$@" >/dev/null
 }
 amixer_noisy="amixer -c 0 "
 
 # Query amixer for the current volume
 get_volume() {
-  $amixer_noisy get Master | tail -1 | awk '{print $4}' | sed 's/[^0-9]*//g'
+    $amixer_noisy get Master | tail -1 | awk '{print $4}' | sed 's/[^0-9]*//g'
 }
 
 # query amixer for mute state (off=muted)
 get_mute() {
-  $amixer_noisy get Master | tail -1 | awk '{print $6}' | sed 's/[^a-z]*//g'
+    $amixer_noisy get Master | tail -1 | awk '{print $6}' | sed 's/[^a-z]*//g'
 }
 
 set_volume() {
-  # Change the volume using alsa(might differ if you use pulseaudio)
-  amixer_quiet set Master "$@" >/dev/null
+    # Change the volume using alsa(might differ if you use pulseaudio)
+    amixer_quiet set Master "$@" >/dev/null
 
-  # Play the volume changed sound
-  # -- this is *extremely* laggy (>8s) on my system, no idea why and no time to find out
-  # canberra-gtk-play -i audio-volume-change -d "changeVolume"
+    # Play the volume changed sound
+    # -- this is *extremely* laggy (>8s) on my system, no idea why and no time to find out
+    # canberra-gtk-play -i audio-volume-change -d "changeVolume"
 }
 
 # set mute state (off=mute)
 set_mute() {
-  [ "$(get_mute)" = "on" ] && toggleto=off || toggleto=on
-  if [ "$1" = 'off' ]; then
-    amixer_quiet set Master mute
-  elif [ "$1" = 'on' ]; then
-    amixer_quiet set Master unmute
-    # the following is needed, see https://superuser.com/questions/805525/why-is-unmute-not-working-with-amixer-command
-    amixer_quiet set Speaker unmute
-    amixer_quiet set Headphone unmute
-  else
-    amixer_quiet set Master "$toggleto"
-    amixer_quiet set Speaker "$toggleto"
-    amixer_quiet set Headphone "$toggleto"
-  fi
+    [ "$(get_mute)" = "on" ] && toggleto=off || toggleto=on
+    if [ "$1" = 'off' ]; then
+        amixer_quiet set Master mute
+    elif [ "$1" = 'on' ]; then
+        amixer_quiet set Master unmute
+        # the following is needed, see https://superuser.com/questions/805525/why-is-unmute-not-working-with-amixer-command
+        amixer_quiet set Speaker unmute
+        amixer_quiet set Headphone unmute
+    else
+        amixer_quiet set Master "$toggleto"
+        amixer_quiet set Speaker "$toggleto"
+        amixer_quiet set Headphone "$toggleto"
+    fi
 }
 
 usage() {
-  echo "control-volume up|down [step], with step any int value
+    echo "control-volume up|down [step], with step any int value
 or:     control-brightness set [target], with target any int value 0-100"
 }
 
 send_notification() {
-  if type dunstify 1>/dev/null 2>/dev/null; then
-    notcmd="dunstify -h string:x-dunst-stack-tag:brightness"
-  else
-    notcmd="notify-send -h string:x-dunst-stack-tag:brightness"
-  fi
+    if type dunstify 1>/dev/null 2>/dev/null; then
+        notcmd="dunstify -h string:x-dunst-stack-tag:brightness"
+    else
+        notcmd="notify-send -h string:x-dunst-stack-tag:brightness"
+    fi
 
-  vol="$(get_volume)"
-  bar=$(seq -s "─" $((vol / 5)) | sed 's/[0-9]//g')
+    vol="$(get_volume)"
 
-  if [ "$vol" -eq 0 ] || [ "$(get_mute)" = "off" ]; then
-    # Show the sound muted notification
-    $notcmd -a "changeVolume" -u low -i audio-volume-muted "Volume muted"
-  else
-    # Show the volume notification
-    $notcmd -a "changeVolume" -u low -i audio-volume-high \
-      -h int:value:"$vol" "Volume: $vol%
-$bar"
-  fi
+    if [ "$vol" -eq 0 ] || [ "$(get_mute)" = "off" ]; then
+        # Show the sound muted notification
+        $notcmd -a "changeVolume" -u low -i audio-volume-muted "Volume muted"
+    else
+        # Show the volume notification
+        $notcmd -a "changeVolume" -u low -i audio-volume-high \
+            -h int:value:"$vol" "Volume: $vol%"
+    fi
 }
 
 case $direction in
 up)
-  set_volume "${step}+"
-  ;;
+    set_volume "${step}+"
+    ;;
 down)
-  set_volume "${step}-"
-  ;;
+    set_volume "${step}-"
+    ;;
 mute)
-  set_mute "$step"
-  ;;
+    set_mute "$step"
+    ;;
 mutetoggle)
-  set_mute
-  ;;
+    set_mute
+    ;;
 set)
-  if [ -z "$step" ]; then
-    echo "set option requires target brightness to be specified."
-    return 1
-  fi
-  set_volume "$step"
-  ;;
+    if [ -z "$step" ]; then
+        echo "set option requires target brightness to be specified."
+        return 1
+    fi
+    set_volume "$step"
+    ;;
 *)
-  usage
-  ;;
+    usage
+    ;;
 esac
 send_notification