configuration check script after update rpm packages

rpmcheck.sh

#!/bin/bash

# VERSION:20211203

_uid=$(id -u)
if test $_uid -ne 0; then
  echo "Error : This script have to run as root"
  exit 1
fi

_search_path="/boot /etc /var /opt /usr/lib /usr/share"
_exclude_path="/var/named/chroot /var/lib/mock /var/lib/docker /var/lib/containers"

_find_opts="${_search_path}"
for i in ${_exclude_path}; do
  _find_opts="${_find_opts} -path ${i} -prune -o"
done
for i in $(find ${_find_opts} -name '*.rpmsave'); do
  for j in ${_exclude_path}; do
    if test $i = $j; then continue 2; fi
  done
  ORIG=$(echo $i | sed -e 's+.rpmsave++g')
  diff -u $i $ORIG > /dev/null 2>&1
  if test $? -eq 0; then
    rm -f $i
    echo $i is not changed - removed
  else
    echo $i found.
  fi
done

for i in $(find ${_find_opts} -name '*.rpmnew'); do
  for j in ${_exclude_path}; do
    if test $i = $j; then continue 2; fi
  done
  ORIG=$(echo $i | sed -e 's+.rpmnew++g')
  diff -u $i $ORIG > /dev/null 2>&1
  if test $? -eq 0; then
    rm -f $i
    echo $i is not changed - removed
  else
    echo $i has been changed.
  fi
done

KERNEL_MODULES=$(ls /lib/modules/)
for i in $KERNEL_MODULES; do
  j=/lib/modules/$i
  if test -d $j; then
    FILES=`find $j/ -type f`
    if test -z "$FILES"; then
      rm -rf $j
      echo $j is empty kernel module directory - deleted
    fi
  fi
done