meshtty.sh

#!/usr/bin/env bash
# meshtty.sh — launch MeshTTY
# Works on Raspberry Pi OS, Ubuntu, and macOS.
# Generated by install.sh — safe to re-run install.sh to regenerate.

VENV="$HOME/.venv/meshtty"
APP_DIR="$(cd "$(dirname "$0")" && pwd)"

# Require an interactive terminal — Textual cannot run without one
if ! [[ -t 0 && -t 1 ]]; then
    echo "ERROR: MeshTTY requires an interactive terminal (stdin/stdout must be a TTY)." >&2
    exit 1
fi

# Ensure a capable TERM for Textual rendering
if [[ "$TERM" == "dumb" || -z "$TERM" ]]; then
    export TERM=xterm-256color
fi

if [[ ! -f "$VENV/bin/activate" ]]; then
    echo "ERROR: virtualenv not found at $VENV"
    echo "Please re-run install.sh"
    exit 1
fi

source "$VENV/bin/activate"
cd "$APP_DIR"

# At boot, wait up to 10 s for a USB serial device to enumerate if serial
# is the configured transport.  Harmless no-op once the device is present.
# Device paths differ: Linux uses /dev/ttyUSB* and /dev/ttyACM*;
# macOS uses /dev/cu.usbserial-*, /dev/cu.SLAB_*, /dev/cu.wchusbserial*, etc.
CONFIG="$HOME/.config/meshtty/config.json"
if grep -q '"default_transport".*"serial"' "$CONFIG" 2>/dev/null; then
    _serial_ready() {
        if [[ "$(uname -s)" == "Darwin" ]]; then
            ls /dev/cu.usbserial* /dev/cu.SLAB_* /dev/cu.wchusbserial* /dev/cu.usbmodem* >/dev/null 2>&1
        else
            ls /dev/ttyUSB* /dev/ttyACM* >/dev/null 2>&1
        fi
    }
    if ! _serial_ready; then
        echo "Waiting for USB serial device..."
        for _i in $(seq 1 10); do
            _serial_ready && break
            sleep 1
        done
    fi
fi

# Replay saved startup flags if none were passed explicitly
FLAGS_FILE="$HOME/.config/meshtty/last_flags"
SAVED_FLAGS=""
if [[ $# -eq 0 && -f "$FLAGS_FILE" ]]; then
    SAVED_FLAGS=$(cat "$FLAGS_FILE")
fi

# shellcheck disable=SC2086
exec python -m meshtty.main $SAVED_FLAGS "$@"