preinst is in inetutils-syslogd 2:1.8-6.
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 | #!/bin/sh
set -e
# Prepare to move a conffile without triggering a dpkg question
prep_mv_conffile()
{
pkgname="$1"
conffile="$2"
if [ -e "$conffile" ]; then
md5sum="`md5sum \"$conffile\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' $pkgname | sed -n -e \"\\\\' $conffile '{s/ obsolete$//;s/.* //p}\"`"
if [ "$md5sum" = "$old_md5sum" ]; then
echo "Removing non modified obsolete conffile $conffile ..."
rm -f "$conffile"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt "2:1.5.dfsg.1-5"; then
prep_mv_conffile inetutils-syslogd /etc/default/syslogd
fi
esac
exit 0
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