preinst is in libhyperscan4 4.7.0-1.
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 27 28 29 30 31 32 33 34 35 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
if [ "$DEBIAN_FRONTEND" != noninteractive ] && \
[ -f /proc/cpuinfo ] && \
! grep -q '^flags[[:space:]]*:.*[[:space:]]ssse3[[:space:]]' /proc/cpuinfo
then
. /usr/share/debconf/confmodule
db_version 2.0
db_input critical libhyperscan/cpu-ssse3 || true
db_go
db_get libhyperscan/cpu-ssse3
if [ "$RET" = 'false' ]; then
echo 'Aborting installation because of missing SSSE3 extension.' >&2
db_purge
exit 1
fi
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
exit 0
|