问Bash脚本执行时间太长。在中止之前没有输出

EN

#!/bin/bash
#########################################
# blocks IP address permanently via ufw #
#########################################

# check if user is root
if [[ "$EUID" -ne 0 ]]; then
  echo "Run as root. Exit."
  exit
fi

# check argument it given
ip=${1:?No IP address given. Exit.}

# IPv4 regex
regex4='^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+(\/[0-9]{2}){0,1}$'

# IPv6 regex
regex6='^([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}(\/[0-9]{1,2}){0,1}$'

isIP=false

if [[ $ip =~ $regex4 ]]; then
  ufw insert 1 deny from $ip
  echo "$ip blocked permanently!"
  isIP=true
elif [[ $ip =~ $regex6 ]]; then
  ufw prepend deny from $ip
  isIP=true
else
  echo "IP address is wrong."
fi

#ufw status verbose

# add blocked ip to file and commit it.
if [ "$isIP" = true ] && [[ $(grep -L "$ip" ips/custom.txt) ]] ; then
  echo $ip >> ips/custom.txt
  git add ips/custom.txt
  git commit -m "added ip to ips/custom.txt"
  git push
fi