fixes #277, substring expression < 0 issue for older bash versions
@ -44,7 +44,7 @@ while IFS='' read -r line || [[ -n "$line" ]]; do
\ ) ;;
*) ((num_staged++)) ;;
esac
status=${status:0:-1}
status=${status:0:(${#status}-1)}
done
done <<< "$gitstatus"