postrm is in mythbuntu-diskless-server 0.9-0ubuntu1.
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 | #!/bin/sh -e
. /usr/share/debconf/confmodule
SHARE="/var/cache/mythbuntu-diskless/overlay/"
SHAREOPTS="rw,no_root_squash,async"
# if $HOST is empty, $SHARE is exported to the world
HOST=""
db_get mythbuntu-diskless/share_host || true
HOST="$RET"
if [ -z "$HOST" ]; then
# export to world
HOST='*'
fi
db_get mythbuntu-diskless/create_share || true
NFSENABLE="$RET"
TMPFILE=`mktemp`
case "$1" in
purge|remove)
if (grep "$SHARE" /etc/exports > /dev/null) && [ "x${NFSENABLE}" = "xtrue" ]; then
sed -e "\%${SHARE}% d" /etc/exports >> $TMPFILE || true
chmod --reference=/etc/exports $TMPFILE || true
cp $TMPFILE /etc/exports || true
chmod --reference=${TMPFILE} /etc/exports || true
rm $TMPFILE || true
# note: not using exportfs here. if the user changes $HOST (eg
# using dpkg-reconfigure), we probably don't remove all exports
# exportfs -u "${HOST}:${SHARE}" > /dev/null || true
# less elegant but more robust:
invoke-rc.d nfs-kernel-server restart || true
fi
;;
upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
;;
*)
echo "postrm called with unknown argument \`$1'" >&2
exit 1
esac
# 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
db_stop
exit 0
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