prerm is in postfix 2.9.1-4.
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 | #!/bin/sh -e
# Debian Postfix prerm
# LaMont Jones <lamont@debian.org>
case "$1" in
upgrade)
new=$2 # get new version
[ -x /usr/sbin/invoke-rc.d ] && \
INIT="invoke-rc.d postfix" || \
INIT="/etc/init.d/postfix"
${INIT} stop
if dpkg --compare-versions $new lt 0.0.20020113.SNAPSHOT-1; then
# Need to handle some changes in services.
MASTER=/etc/postfix/master.cf
if grep -qE '^cleanup[[:space:]]+unix[[:space:]]+n' ${MASTER}; then
echo "in master.cf:"
echo " forcing pickup=privileged, cleanup=private, flush=private"
sed 's/^\(cleanup[[:space:]]*unix[[:space:]]*\)n/\1-/
s/^\(flush[[:space:]]*unix[[:space:]]*\)n/\1-/
s/^\(pickup[[:space:]]*fifo[[:space:]]*.[[:space:]]*\)-/\1n/
' ${MASTER} > ${MASTER}.$$
mv ${MASTER}.$$ ${MASTER}
fi
fi
;;
deconfigure)
;;
remove)
[ -x /usr/sbin/invoke-rc.d ] && \
INIT="invoke-rc.d postfix" || \
INIT="/etc/init.d/postfix"
${INIT} stop
rm -rf /var/spool/postfix/lib
rm -rf /var/spool/postfix/etc
;;
failed-upgrade)
;;
*)
echo "prerm called with unknown argument \`$1'" >&2
exit 1
;;
esac
exit 0
|