#!/bin/bash
full_version=$(uname -r)

# Removing flavour from version i.e. generic or server.
flavour_abi=${full_version#*-}
flavour=${flavour_abi#*-}
version=${full_version%-$flavour}

# Prefer flavour-versioned hv_kvp_daemon, if it exists:
if [ -x /usr/sbin/hv_kvp_daemon_${full_version} ]; then
    exec /usr/sbin/hv_kvp_daemon_${full_version} "$@"
elif [ -x /usr/sbin/hv_kvp_daemon_${version} ]; then
    # Pre-3.7 linux-tools ships a broken hv_kvp_daemon, require lbm:
    if dpkg --compare-versions ${version} lt 3.7.0 2>/dev/null; then
        echo "You are running a pre-3.7 kernel but don't have" >&2
        echo "linux-backports-modules-hv installed for your" >&2
        echo "flavour, not executing hv_kvp_daemon_${version}" >&2
        exit 2
    fi
    exec /usr/sbin/hv_kvp_daemon_${version} "$@"
else
    echo "/usr/sbin/hv_kvp_daemon_${version} not found" >&2
    echo "You may need to install linux-tools-${version}" >&2
    exit 2
fi
