preinst is in zfs-zed 0.7.5-1ubuntu15.
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
install|upgrade)
SRC=/etc/zfs/zed.d/zed-functions.sh
#
# If an existing zed-functions is a symlink then this
# needs removing as the script in newer ZFS releases
# is no longer symlink'd and we want to upgrade to
# the newer script. Silently purge this.
#
if [ -L $SRC ]; then
rm $SRC
fi
;;
esac
exit 0
|