feat: set-vol now chooses between pactl and amixer

.xinitrc

@@ -1,8 +1,8 @@
 #!/bin/sh
 
 xrandr                               \
-    --output HDMI-2 --auto --primary \
+    --output eDP-1 --primary         \
-    --output eDP-1 --left-of HDMI-2
+    --output HDMI-2 --right-of-eDP-1
 
 # fix touchscreen
 xinput --map-to-output 'Raydium Corporation Raydium Touch System' 'eDP-1'

bin/set-vol

@@ -1,32 +1,47 @@
 #!/bin/bash
 set -e
 
-SINK='@DEFAULT_SINK@'
+PACTL_SINK='@DEFAULT_SINK@'
-CUR_FILE=/var/tmp/current_volume
+SINK="$PACTL_SINK"
+
+function get_vol() {
+    VOL="$(pactl get-sink-volume "$SINK" 2> /dev/null)"
+
+    if [ -n "$VOL" ]; then
+        CMD='pactl set-sink-volume'
+    else
+        CMD='amixer sset'
+        SINK='Master'
+
+        VOL="$(amixer sget "$SINK")"
+    fi
+}
 
 set +e
-CUR="$(cat "$CUR_FILE" || echo 50)"
+get_vol
 set -e
 
-CUR="$((CUR - CUR % "$1"))"
+VOL="$(echo "$VOL" | grep -o -E '[0-9]{,3}%' | head -n 1)"
+# Remove everything after first '%'
+VOL="${VOL%%%*}"
+VOL="$((VOL - VOL % "$1"))"
 
 case "${1:0:1}" in
     '')
         exit 1
         ;;
     '+'|'-')
-        NEW="$((CUR + "$1"))"
+        VOL="$((VOL + "$1"))"
         ;;
     *)
-        NEW="$1"
+        VOL="$1"
         ;;
 esac
 
-[ "$NEW" -lt 0 ] && NEW=0
+[ "$VOL" -lt 0 ] && VOL=0
-[ "$NEW" -gt 100 ] && NEW=100
+[ "$VOL" -gt 100 ] && VOL=100
 
-pactl set-sink-volume "$SINK" "$NEW%"
+$CMD "$SINK" "$VOL%" > /dev/null
-pactl set-sink-mute "$SINK" 0
+pactl set-sink-mute "$PACTL_SINK" 0
 
-echo "$NEW" > "$CUR_FILE"
+echo "$VOL"
-echo "$NEW"