postinst is in memcached 1.4.21-1.1+deb8u2.
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 | #!/bin/sh
set -e
GROUP="memcache"
USER="memcache"
DATADIR="/nonexistent"
# shamelessly copied from debian gearman-job-server package...
case "$1" in
configure)
# creating memcache group if it isn't already there
if ! getent group $GROUP >/dev/null ; then
# Adding system group
addgroup --system $GROUP >/dev/null
fi
# creating memcache user if it isn't already there
if ! getent passwd $USER >/dev/null ; then
# Adding system user
adduser \
--system \
--disabled-login \
--ingroup $GROUP \
--home $DATADIR \
--no-create-home \
--gecos "Memcached" \
--shell /bin/false \
$USER >/dev/null
fi
if [ ! -e /etc/memcached.conf ]
then
mkdir -p /etc
cp /usr/share/memcached/memcached.conf.default /etc/memcached.conf
fi
;;
esac
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask memcached.service >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled memcached.service; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable memcached.service >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state memcached.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/memcached" ]; then
update-rc.d memcached defaults >/dev/null
invoke-rc.d memcached start || exit $?
fi
# End automatically added section
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