preinst is in pgpool2 3.3.2-1ubuntu1.
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 | #!/bin/sh
# preinst script for pgpool2
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
LASTVERSION=1.3-2
# Prepare to move a conffile without triggering a dpkg question
prep_mv_conffile() {
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum=`dpkg-query -W -f'${Conffiles}' pgpool2 |grep $CONFFILE |sed 's/\(^\s.*\s\)\(.*\)/\2/'`
if [ "$md5sum" = "$old_md5sum" ]; then
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "$LASTVERSION"; then
prep_mv_conffile "/etc/pgpool.conf"
prep_mv_conffile "/etc/pcp.conf"
prep_mv_conffile "/etc/pool_hba.conf"
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
|