#!/bin/sh
# preinst script for columbia-meta
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


regenerate_machine_id()
{
    blacklist="$(cat <<ENDLINE
3fb64a361de74e93af7b572231dd34a3
f28fcd96732948af88436527e12c5742
abb5cc3b30f64f2882d23d560e763dd7
08847aa8fdcb4db58f879b808af117c6
52f76b9cdc604afb9cc651039b84e8f9
ENDLINE
    )"

    if which systemd-machine-id-setup >/dev/null && [ -s /etc/machine-id ]; then
        machine_id="$(cat /etc/machine-id)"
        if echo $blacklist | grep "$machine_id" >/dev/null; then
            :> /etc/machine-id
            systemd-machine-id-setup
        fi
    fi
}

case "$1" in
    configure)
        regenerate_machine_id
        exit 0
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
        exit 0
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0
