preinst is in libquantlib0-dev 1.7.1-1.
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
#
# preinst script for the Debian GNU/Linux libquantlib0-dev package
#
# Written and GPL'ed by Dirk Eddelbuettel <edd@debian.org>
case "$1" in
install|upgrade)
# We want to remove previous versions' documentation directory
test -d /usr/share/doc/libquantlib0-dev && \
rm -rf /usr/share/doc/libquantlib0-dev
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
;;
esac
exit 0
|