prerm is in gromacs-mpich 2018.1-1.
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 | #! /bin/sh
# prerm script for gromacs-mpich
set -e
case "$1" in
upgrade)
;;
remove|deconfigure|failed-upgrade)
update-alternatives --remove mdrun_mpi /usr/bin/mdrun_mpi.mpich
;;
*)
echo "prerm called with unknown argument \`$1'" >&2
exit 1
;;
esac
exit 0
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