#!/bin/sh
#
# Simplify running cosmos, with serialization if flock is available.
#

set -e

FLOCK=`which flock`

if [ -x "$FLOCK" ]; then
    ($FLOCK --exclusive --wait 60 9 || exit 1
	cosmos $* update
	cosmos $* apply
    )9>/var/lock/run-cosmos
else
    cosmos $* update
    cosmos $* apply
fi

touch /var/run/last-cosmos-ok.stamp