audio_cyclesink: don't do anything if only one sink is available

1 files changed, 13 insertions, 8 deletions

diff --git a/.local/bin/audio_cyclesink b/.local/bin/audio_cyclesink
index 52b2661..3726f70 100755
--- a/.local/bin/audio_cyclesink
+++ b/.local/bin/audio_cyclesink
@@ -56,22 +56,27 @@ cycle_sink()
 	do
 		case "$sink" in
 		\**)
-			default_sink="${sinks#*   }"
+			default_sink="${sink##* }"
 			;;
 		*)
-			if [ -n "$default_sink" ]
-			then
-				next_sink="${sink#    }"
-				break
-			fi
+			[ -z "$default_sink" ] &&
+				continue
+
+			next_sink="${sink##* }"
+			break
 			;;
 		esac
 	done
 
 	# if default sink is last one use first sink
-	: "${next_sink:="${sinks%%:*}"}"
+	if [ -z "$next_sink" ]
+	then
+		next_sink="${sinks%%:*}"
+		next_sink="${next_sink##* }"
+	fi
 
-	wpctl set-default "$next_sink"
+	[ "$next_sink" != "$default_sink" ] &&
+		wpctl set-default "$next_sink"
 }
 
 wpctl status | parse_sinks | cycle_sink