preinst is in yaws 2.0.4+dfsg-2.
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 | #! /bin/sh
# preinst script for yaws
#
# 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>
case "$1" in
install)
;;
upgrade)
# Remove /etc/mail/yaws-webmail.conf if it isn't modified by user
if dpkg --compare-versions "$2" lt-nl "1.66-2" ; then
cf="/etc/mail/yaws-webmail.conf"
if [ -f $cf ] ; then
md5sumold=$(dpkg-query -W -f='${Conffiles}' yaws | grep $cf | awk '//{print $2}')
md5sumnew=$(md5sum $cf | awk '//{print $1}')
if [ "$md5sumold" = "$md5sumnew" ] ; then
rm -f $cf
fi
fi
fi
# Prepare to move /usr/lib/yaws/custom/* to /usr/local/lib/yaws-appmods/
if dpkg --compare-versions "$2" lt-nl "1.99" ; then
dir=/usr/lib/yaws/custom
if [ -d $dir ] ; then
if [ -d $dir/ebin -a -d $dir/include -a $(find $dir | wc -l) = 3 ] ; then
# Don't move /usr/lib/yaws/custom if it has the default structure
# (two empty ebin and include subdirs)
true
else
mv -f $dir /usr/lib/yaws-custom.dpkg-backup
fi
fi
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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