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Current File : //proc/thread-self/root/var/lib/dpkg/info/mariadb-server-10.6.postrm

#!/bin/bash
set -e

. /usr/share/debconf/confmodule

# Automatically set version to ease maintenance of this file
MAJOR_VER="${DPKG_MAINTSCRIPT_PACKAGE#mariadb-server-}"

if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }

MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"

MARIADBD_USERS="root"

# Check if user 'mysql' exists before referring to it in pgrep
# to avoid pgrep erroring on 'invalid user name'
if id mysql > /dev/null 2>&1
then
  MARIADBD_USERS="$MARIADBD_USERS,mysql"
fi

# Try to stop the server in a sane way. If it does not success let the admin
# do it himself. No database directories should be removed while the server
# is running! Another mariadbd in e.g. a different chroot is fine for us.
stop_server() {
    # Return immediately if there are no mysql processes running
    # as there is no point in trying to shutdown in that case.
    if ! pgrep -x -u "$MARIADBD_USERS" --nslist pid --ns $$ "mysqld|mariadbd" > /dev/null; then return; fi

    set +e
    invoke-rc.d mariadb stop
    invoke-rc.d mysql stop # Backwards compatibility
    errno=$?
    set -e

    # systemctl could emit exit code 100=no init script (fresh install)
    if [ "$errno" != 0 -a "$errno" != 100 ]; then
      echo "Attempt to stop MariaDB/MySQL server returned exitcode $errno" 1>&2
      echo "There is a MariaDB/MySQL server running, but we failed in our attempts to stop it." 1>&2
      echo "Check if there is any server running with 'pgrep \"mysqld|mariadbd\"' and" 1>&2
      echo "try to stop it yourself by issuing 'invoke-rc.d mariadb stop'." 1>&2
      db_stop
      exit 1
    fi
}


case "$1" in
  purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
    if [ -n "`$MYADMIN ping 2>/dev/null`" ]; then
      stop_server
      sleep 2
    fi
  ;;
  *)
    echo "postrm called with unknown argument '$1'" 1>&2
    exit 1
  ;;
esac

#
# - Purge logs and data only if they are ours (#307473)
# - Remove the mysql user only after all his owned files are purged.
# - Cleanup the initscripts only if this was the last provider of them
#
if [ "$1" = "purge" ] && [ -f "/var/lib/mysql/debian-$MAJOR_VER.flag" ]; then
  # we remove the mysql user only after all his owned files are purged
  rm -f /var/log/mysql.{log,err}{,.0,.[1234567].gz}
  rm -rf /var/log/mysql

  db_input high "mariadb-server-$MAJOR_VER/postrm_remove_databases" || true
  db_go || true
  db_get "mariadb-server-$MAJOR_VER/postrm_remove_databases" || true
  if [ "$RET" = "true" ]; then
    # never remove the debian.cnf when the databases are still existing
    # else we ran into big trouble on the next install!
    rm -f /etc/mysql/debian.cnf
    # Remove all contents from /var/lib/mysql except if it's a
    # directory with file system data. See #829491 for details and
    # #608938 for potential mysql-server leftovers which erroneously
    # had been renamed.
    # Attempt removal only if the directory hasn't already been removed
    # by dpkg to avoid failing on "No such file or directory" errors.
    if [ -d /var/lib/mysql ]
    then
      find /var/lib/mysql -mindepth 1 \
           -not -path '*/lost+found/*'     -not -name 'lost+found' \
           -not -path '*/lost@002bfound/*' -not -name 'lost@002bfound' \
           -delete

      # "|| true" still needed as rmdir still exits with non-zero if
      # /var/lib/mysql is a mount point
      rmdir --ignore-fail-on-non-empty /var/lib/mysql || true
    fi
    rm -rf /run/mysqld # this directory is created by the init script, don't leave behind
    userdel mysql || true
  fi

fi

# Automatically added by dh_installinit/13.6ubuntu1
if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = "purge" ] ; then
	update-rc.d mariadb remove >/dev/null
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "remove" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper mask 'mariadb.service' >/dev/null || true
	fi
fi

if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'mariadb.service' >/dev/null || true
		deb-systemd-helper unmask 'mariadb.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "remove" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper mask 'mariadb.service' >/dev/null || true
	fi
fi

if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'mariadb.service' >/dev/null || true
		deb-systemd-helper unmask 'mariadb.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installdebconf/13.6ubuntu1
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
	db_purge
fi
# End automatically added section


# Modified dh_systemd_start snippet that's not added automatically
if [ -d /run/systemd/system ]; then
	systemctl --system daemon-reload >/dev/null || true
fi

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