startsway.sh

#! /usr/bin/env bash

if pidof sway >/dev/null 2>&1; then
	echo 'sway is already running. exiting.' >&2
	exit 1
fi

readonly XDG_CONFIG_HOME="$HOME/.config"
readonly LOG_FILE="$XDG_CONFIG_HOME/sway/log"

if [[ -f $LOG_FILE ]]; then
	log_file_last_modified="$(stat -c %Y "$LOG_FILE")"
	printf 'existing session log already found at %s.\n' "$LOG_FILE"
	printf 'preserving previous session log at %s.%s.\n' "$LOG_FILE" "$log_file_last_modified"
	echo
	mv -v "$LOG_FILE" "${LOG_FILE}.${log_file_last_modified}"
fi

(printenv; sway) >"$LOG_FILE" 2>&1

echo 'sway exited.'
echo
printf 'session log is available at %s.\n' "$LOG_FILE"
echo