preinst is in nfs-common 1:1.2.8-9ubuntu12.
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 | #!/bin/sh
set -e
prepare_rm_conffile() {
local CONFFILE="$1"
local PACKAGE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PACKAGE | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE.dpkg-backup"
else
echo "Moving obsolete conffile $CONFFILE out of the way..."
mv -f "$CONFFILE" "$CONFFILE.dpkg-remove"
fi
}
# remove the obsolete init script (replaced by an upstart job)
if [ "$1" = install ] || [ "$1" = upgrade ]; then
if [ -e "/etc/init.d/nfs-common" ] && [ ! -L "/etc/init.d/nfs-common" ]; then
prepare_rm_conffile /etc/init.d/nfs-common nfs-common
fi
fi
# Prepare removal of enablement flag in conffile.
DEFAULT_CONFFILE=/etc/default/nfs-common
if [ "$1" = upgrade ]; then
if dpkg --compare-versions "$2" lt-nl 1:1.2.8-9ubuntu7 && [ -f $DEFAULT_CONFFILE ]; then
if egrep -sqi 'NEED_STATD="?yes' $DEFAULT_CONFFILE; then
touch ${DEFAULT_CONFFILE}.statd.enable
fi
sed -i '/#.*statd daemon/d' /etc/default/nfs-common
sed -i '/NEED_STATD/d' /etc/default/nfs-common
fi
fi
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