post_install() {

    systemd-tmpfiles --create zoneminder.conf

    # edit /etc/php.ini for Zoneminder
    sed -e '
    # Enable these libraries by removing the leading comment character
    \|^;extension=ftp.so$|       s|^;||;
    \|^;extension=gd.so$|        s|^;||;
    \|^;extension=gettext.so$|   s|^;||;
    \|^;extension=mcrypt.so$|    s|^;||;
    \|^;extension=openssl.so$|   s|^;||;
    \|^;extension=pdo_mysql.so$| s|^;||;
    \|^;extension=sockets.so$|   s|^;||;
    \|^;extension=zip.so$|       s|^;||;
    ' /etc/php/php.ini > /tmp/php.ini.zoneminder

    # edit /etc/httpd/conf/httpd.conf for Zoneminder
    sed -e '
    # Use mod_mpm_prefork instead of mod_mpm_event.so (FS#39218).
    s|^LoadModule mpm_event_module modules/mod_mpm_event.so$|#&\nLoadModule mpm_prefork_module modules/mod_mpm_prefork.so|;
    
    # Zoneminder needs Apache configured to permit CGI execution
    \|^\t#LoadModule cgi_module modules/mod_cgi.so$| s|\t#|\t|;
    
    # libphp7
    \|^LoadModule php7_module modules/libphp7.so$|d;
    s|^#*LoadModule rewrite_module modules/mod_rewrite.so$|&\nLoadModule php7_module modules/libphp7.so|;
    \|^Include /etc/httpd/conf/extra/php7_module.conf|d;
    s|^Include conf/extra/httpd-default.conf$|&\nInclude /etc/httpd/conf/extra/php7_module.conf|;
    
    # Include httpd-zoneminder.conf
    \|^Include /etc/httpd/conf/extra/httpd-zoneminder.conf$|d;
    s|^# Server-pool management (MPM specific)$|\nInclude /etc/httpd/conf/extra/httpd-zoneminder.conf\n&|;    
    ' /etc/httpd/conf/httpd.conf > /tmp/httpd.conf.zoneminder
    
    cat << EOF

  Zoneminder database setup:
  --------------------------
  Zoneminder operation requires a database named 'zm' which is defined in /usr/share/zoneminder/db/zm_create.sql
  
  Create the Zoneminder database (with a password):
    "mysqladmin --defaults-file=/etc/mysql/my.cnf -p -f reload"
    "cat /usr/share/zoneminder/db/zm_create.sql | mysql --defaults-file=/etc/mysql/my.cnf -p"
    "echo 'grant lock tables, alter,select,insert,update,delete on zm.* to 'zmuser'@localhost identified by "zmpass";' | mysql --defaults-file=/etc/mysql/my.cnf -p mysql"
  (or without a password):
    "mysqladmin --defaults-file=/etc/mysql/my.cnf -f reload"
    "cat /usr/share/zoneminder/db/zm_create.sql | mysql --defaults-file=/etc/mysql/my.cnf"
    "echo 'grant lock tables, alter,select,insert,update,delete on zm.* to 'zmuser'@localhost identified by "zmpass";' | mysql --defaults-file=/etc/mysql/my.cnf mysql"

  PHP configuration
  -----------------
  * Check and make sure these are uncommented in /etc/php/php.ini:
    extension=ftp.so
    extension=gd.so
    extension=gettext.so
    extension=mcrypt.so
    extension=openssl.so
    extension=pdo_mysql.so
    extension=sockets.so
    extension=zip.so
  * Set your timezone in php.ini:
    date.timezone = <your_country>/<your_city>

  Apache configuration
  --------------------
  Edit /etc/httpd/conf/httpd.conf and add the line:
    "LoadModule php7_module modules/libphp7.so"
  and:
    "Include /etc/httpd/conf/extra/php7_module.conf"
    "Include /etc/httpd/conf/extra/httpd-zoneminder.conf"

EOF
}

post_upgrade() {
    post_install
    /usr/bin/zmupdate.pl -f >/dev/null
}

post_remove() {
    if [[ -d /tmp/zoneminder ]]; then
        rm -vr /tmp/zoneminder
    fi
    # sed -i -e '
    # /^open_basedir/ s/:\/srv\/http\/zoneminder//;
    # /^open_basedir/ s/:\/srv\/http\/zoneminder\///;
    # ' /etc/php/php.ini || read
    # sed -i -e '
    # /^# ZoneMinder/d;
    # /Include \/etc\/httpd\/conf\/extra\/httpd-zoneminder.conf/d;
    # ' /etc/httpd/conf/httpd.conf || read

    cat << EOF
Note:
==> To clean Zoneminder mysql database, run as root (with password):
==> "echo 'delete from user where User="zmuser";' | mysql --defaults-file=/etc/mysql/my.cnf -p mysql"
==> "echo 'delete from db where User="zmuser";' | mysql --defaults-file=/etc/mysql/my.cnf -p mysql"
==> "mysqladmin --defaults-file=/etc/mysql/my.cnf -p -f drop zm"
==> (or without password):
==> "echo 'delete from user where User="zmuser";' | mysql --defaults-file=/etc/mysql/my.cnf mysql"
==> "echo 'delete from db where User="zmuser";' | mysql --defaults-file=/etc/mysql/my.cnf mysql"
==> "mysqladmin --defaults-file=/etc/mysql/my.cnf -f drop zm"

==> Disable http with php if it isn't needed with others servers, 
==> comment or remove that lines in /etc/httpd/conf/httpd.conf:
==> "LoadModule php7_module modules/libphp7.so"
==> "Include /etc/httpd/conf/extra/php7_module.conf"

==> Remove line in /etc/httpd/conf/httpd.conf:
==> "Include /etc/httpd/conf/extra/httpd-zoneminder.conf"

==> Disable php with mysql if it isn't needed with others servers, 
==> comment that lines in /etc/php/php.ini:
    # extension=ftp.so
    # extension=gd.so
    # extension=gettext.so
    # extension=mcrypt.so
    # extension=openssl.so
    # extension=pdo_mysql.so
    # extension=sockets.so
    # extension=zip.so
    # "date.timezone = <my_country>/<my_city>"

==> Remove log files and "zoneminder" directory in "/var/log/zoneminder".

==> Backup and remove "events", "images" and "temp" dirs in "/var/cache/zoneminder".
EOF
}