#!/bin/sh
# Auto-set tmux prefix based on connection type.
# Called from tmux hooks: session-created and client-attached.
if tmux show-environment SSH_CONNECTION 2>/dev/null | grep -qv '^-' || \
   tmux show-environment MOSH_SERVER_PID 2>/dev/null | grep -qv '^-'; then
    tmux set -g prefix C-a
    tmux bind-key C-a send-prefix
    tmux unbind-key C-b 2>/dev/null
    tmux display-message "Prefix: C-a (remote)"
else
    tmux set -g prefix C-b
    tmux bind-key C-b send-prefix
    tmux unbind-key C-a 2>/dev/null
    tmux display-message "Prefix: C-b (local)"
fi