postinst is in udisks2 2.1.8-1.
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 | #!/bin/sh
set -e
get_pid() {
[ -n "$1" ] || return 0
[ -S /var/run/dbus/system_bus_socket ] || return 0
dbus-send --system --dest=org.freedesktop.DBus --print-reply \
/org/freedesktop/DBus org.freedesktop.DBus.GetConnectionUnixProcessID \
string:$1 2>/dev/null | awk '/uint32/ {print $2}'
}
if [ "$1" = "configure" ]; then
# stop udisksd
pid=$(get_pid org.freedesktop.UDisks2)
kill $pid 2>/dev/null || true
# restart daemon if it was running before
[ -z "$pid" ] || udisksctl status >/dev/null || true # will trigger through D-Bus activation
# we ship udev rules, so trigger an update
udevadm trigger --subsystem-match=block --action=change
fi
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