preinst is in apache2.2-common 2.2.22-1ubuntu1.11.
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 | #! /bin/sh -e
mv_conffile() {
if [ "`md5sum $1 2>/dev/null | cut -d ' ' -f 1`" = "$2" ] ; then
echo Replacing $1 with new version ...
mv $1 $1.dpkg-apache2.2-common.old
fi
}
if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.2.4-2; then
mv_conffile /etc/default/apache2 9ac83f9132b78c3aa6dd4d7a583bf476
mv_conffile /etc/default/apache2 801eb5156368b54d92ecb578ce710836
mv_conffile /etc/apache2/ports.conf d5fcefc335117f400d451de47efeca87
mv_conffile /etc/apache2/conf.d/charset 641239a7d2d172856cb1413a47d2e142
fi
if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.2.15-4~ ; then
# The definition of other_vhosts_access.log has been moved from
# apache2.conf to conf.d/other-vhosts-access-log. If the admin has
# removed it from apache2.conf, mark it to be disabled in
# conf.d/other-vhosts-access-log in the postinst.
if ! egrep -q '^ *CustomLog.*other_vhosts_access.log vhost_combined$' /etc/apache2/apache2.conf
then
touch /etc/apache2/disable-other-vhost-access-log.dpkg-apache2.2-common
fi
fi
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