preinst is in suricata 3.2.1-1+deb9u1.
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 | #!/bin/sh
# we do not need alternatives anymore
if update-alternatives --quiet --query suricata 2> /dev/null; then
echo "Removing legacy alternatives for Hyperscan/non-Hyperscan versions"
update-alternatives --remove-all suricata
fi
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/suricata/suricata-debian.yaml /etc/suricata/suricata.yaml 3.1-1 suricata -- "$@"
# End automatically added section
exit 0
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