diff options
Diffstat (limited to 'dot_config/waybar/executable_dock-status.sh')
| -rw-r--r-- | dot_config/waybar/executable_dock-status.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/dot_config/waybar/executable_dock-status.sh b/dot_config/waybar/executable_dock-status.sh new file mode 100644 index 0000000..501bb7d --- /dev/null +++ b/dot_config/waybar/executable_dock-status.sh @@ -0,0 +1,27 @@ +#!/bin/sh +# Detect a Lenovo ThinkPad USB-C Dock Gen2 by its distinctive built-in +# ethernet adapter (17ef:a387). The dock's USB hubs share product IDs +# with internal ThinkPad hubs on some models, but the ethernet is only +# present when the dock is physically attached. +# +# Output is a single waybar JSON record. When undocked, "text" is empty +# so waybar collapses the module — no clutter on the bar when on the go. + +set -eu + +docked=0 +for dev in /sys/bus/usb/devices/*/; do + [ -f "$dev/idVendor" ] && [ -f "$dev/idProduct" ] || continue + v=$(cat "$dev/idVendor") + p=$(cat "$dev/idProduct") + if [ "$v" = "17ef" ] && [ "$p" = "a387" ]; then + docked=1 + break + fi +done + +if [ "$docked" -eq 1 ]; then + printf '{"text":"","tooltip":"Docked: ThinkPad USB-C Dock Gen2","class":"docked","alt":"docked"}\n' +else + printf '{"text":"","tooltip":"Undocked","class":"undocked","alt":"undocked"}\n' +fi |