From 744713424274edb50a1f9baed69dfe7f503b74bf Mon Sep 17 00:00:00 2001
From: Arti Zirk <arti.zirk@gmail.com>
Date: Thu, 16 Apr 2020 15:55:35 +0300
Subject: [PATCH] Filter volume changes

---
 .bin/volume_subscribe.sh | 10 ++++++++++
 .config/sway/config      |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100755 .bin/volume_subscribe.sh

diff --git a/.bin/volume_subscribe.sh b/.bin/volume_subscribe.sh
new file mode 100755
index 0000000..568ed97
--- /dev/null
+++ b/.bin/volume_subscribe.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+OLD_VOL=0
+pactl subscribe | grep --line-buffered "sink" |
+while read; do
+	VOL=$(amixer get Master | grep -Po "[0-9]+(?=%)" | tail -1)
+	if [[ $VOL != $OLD_VOL ]]; then
+		tvolnoti-show $VOL
+		OLD_VOL=$VOL
+	fi
+done
diff --git a/.config/sway/config b/.config/sway/config
index 78a5f8c..8a52365 100644
--- a/.config/sway/config
+++ b/.config/sway/config
@@ -54,7 +54,7 @@ exec mako --default-timeout 10000
 exec tvolnoti -n  -T dark
 
 # Monitor volume changes
-exec pactl subscribe | grep --line-buffered "sink" | xargs -n1 sh -c 'tvolnoti-show $(amixer get Master | grep -Po "[0-9]+(?=%)" | tail -1)'
+exec ~/.bin/volume_subscribe.sh
 
 # Register a fake player in bluez so that volume control would work
 exec ~/.bin/fakebluezplayer.py