#!/bin/sh -e is_nfs() { local fs_type="$(stat --file-system --format=%T "$1" 2> /dev/null)" if [ "$fs_type" = 'nfs' ]; then return 0; fi return 1 } maybe_convert() { # do not try to run the program if the system has already been converted [ "$(readlink -f /lib)" != '/usr/lib' ] || return 0 if is_nfs / || is_nfs /usr; then cat << 'END' >&2 Warning: NFS detected, /usr/lib/usrmerge/convert-usrmerge will not be run automatically. See #842145 for details. END return 0 fi /usr/lib/usrmerge/convert-usrmerge } case "$1" in configure) maybe_convert "$@" /usr/lib/usrmerge/convert-etc-shells ;; esac