1#!/bin/bash 2 3set -eu 4 5if [ $# -lt 1 ]; then 6 echo "usage $0 <version-name>" 7 exit 1; 8fi 9readonly VERSION_NAME=$1 10shift 1 11 12if [[ ! "$VERSION_NAME" =~ ^2\. ]]; then 13 echo 'Version name must begin with "2."' 14 exit 2 15fi 16 17if [[ "$VERSION_NAME" =~ " " ]]; then 18 echo "Version name must not have any spaces" 19 exit 3 20fi 21