preinst is in mpich-shmem-bin 1.2.7-10ubuntu1.
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 | #!/bin/sh
set -e
case "$1" in
upgrade)
# If /usr/lib/mpich/man/* are symlinks, delete them so that dpkg will
# create the directories correctly. Do this on any upgrade since we
# may have done a borken upgrade in the past.
for x in /usr/lib/mpich-shmem/man/* ; do
if [ -L $x ] ; then
rm $x
fi
done
;;
install)
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \'$1\'" >&2
exit 0
;;
esac
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