preinst is in transmission-daemon 2.84-3ubuntu3.
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 | #!/bin/sh
set -e
case "$1" in
upgrade)
if dpkg --compare-versions "$2" lt "2.84-0.2~"; then
mkdir -p /var/lib/transmission-daemon/.config/transmission-daemon
chown -R debian-transmission:debian-transmission /var/lib/transmission-daemon
usermod debian-transmission -d /var/lib/transmission-daemon
mv /var/lib/transmission-daemon/info/* /var/lib/transmission-daemon/.config/transmission-daemon
rmdir /var/lib/transmission-daemon/info
fi
;;
install|abort-upgrade)
;;
*)
echo "preinst called with unknown argument '$1'" >&2
exit 1
;;
esac
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