#!/usr/bin/env fish
# Turn off the phantom Studio Display leg (DP-4/5/6, varies per boot).
# Its signature is a single 640x480 mode — connector name and EDID are unreliable.
# ponytail: one-shot with retry at startup; doesn't handle mid-session hotplug —
# switch to a `niri msg event-stream` watcher if that starts biting.
for i in (seq 10)
    set -l phantoms (niri msg -j outputs 2>/dev/null | jq -r '
        to_entries[]
        | select((.value.modes | length) == 1
                 and .value.modes[0].width == 640
                 and .value.modes[0].height == 480)
        | .key')
    if test -n "$phantoms"
        for out in $phantoms
            niri msg output $out off
        end
        exit 0
    end
    sleep 1
end