postrm is in percona-server-server-5.6 5.6.22-rel71.0-0ubuntu4.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #!/bin/bash
set -e
# It is possible that Debconf has already been removed, too.
if [ -f /usr/share/debconf/confmodule ]; then
. /usr/share/debconf/confmodule
fi
mysql_cfgdir=/etc/mysql
PERCONA_PREFIX=/usr
export PATH=$PATH:/sbin:/usr/sbin:/bin:/usr/bin:$PERCONA_PREFIX/bin
if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }
MYADMIN="${PERCONA_PREFIX}/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"
# 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!
stop_server() {
set +e
if [ -x /usr/sbin/invoke-rc.d ]; then
invoke-rc.d mysql stop
else
/etc/init.d/mysql stop
fi
errno=$?
set -e
if [ "$?" != 0 ]; then
echo "Trying to stop the MySQL server resulted in exitcode $?." 1>&2
echo "Stop it yourself and try again!" 1>&2
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
# New packaging paradigm for my.cnf as of Dec-2014 for sharing mysql
# variants in Ubuntu.
case "$1" in
remove|disappear)
/usr/share/mysql-common/configure-symlinks remove percona-server "$mysql_cfgdir/percona-server.cnf"
;;
esac
#
# - Do NOT purge logs or data if another percona-server-server* package is installed (#307473)
# - Remove the mysql user only after all his owned files are purged.
#
if [ "$1" = "purge" -a ! \( -x /usr/sbin/mysqld -o -L /usr/sbin/mysqld \) ]; 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 mysql-server-5.5/postrm_remove_databases || true
db_go || true
db_get mysql-server-5.5/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
rm -rf /var/lib/percona-server
rm -rf /var/run/mysqld
userdel mysql || true
fi
fi
# Automatically added by dh_installinit
if [ "$1" = "purge" ] ; then
update-rc.d mysql remove >/dev/null
fi
# In case this system is running systemd, we make systemd reload the unit files
# to pick up changes.
if [ -d /run/systemd/system ] ; then
systemctl --system daemon-reload >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installdebconf
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
. /usr/share/debconf/confmodule
db_purge
fi
# End automatically added section
exit 0
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