abs/core/mysql/mysql.install


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post_install(){
  groupadd -g 89 mysql &>/dev/null
  useradd -u 89 -g mysql -d /var/lib/mysql -s /bin/false mysql &>/dev/null
  usr/bin/mysql_install_db --user=mysql --basedir=/usr
  chown -R mysql:mysql var/lib/mysql &>/dev/null

  usr/bin/systemd-tmpfiles --create mysqld.conf
}

post_upgrade(){
  getent group mysql >/dev/null 2>&1 || groupadd -g 89 mysql &>/dev/null
  getent passwd mysql >/dev/null 2>&1 || useradd -u 89 -g mysql -d /var/lib/mysql -s /bin/false mysql &>/dev/null

  if [ "$(vercmp $2 5.5)" -lt 0 ]; then
    echo " >> "
    echo " >> Major version update. Consider restart the service, and then running mysql_upgrade after it."
    echo " >> "
  fi
}

post_remove(){
  if getent passwd mysql >/dev/null 2>&1; then
    userdel mysql
  fi
  if getent group mysql >/dev/null 2>&1; then
    groupdel mysql
  fi
}