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#!/bin/sh
set -e
get_vland_entry() {
lava-vland-names | grep "^${1}" | cut -d , -f 2
}
get_vland_sys_path() {
vland_entries=$(get_vland_entry "${1}")
if [ -z "${vland_entries}" ]; then
echo "No valid vland name given" >&2
echo "Alternatives are:" >&2
get_vland_names >&2
exit 1
fi
lava-vland-self | grep -F "${vland_entries}" | cut -d , -f 3-
}
get_vland_interface() {
sys_path=$(get_vland_sys_path "${1}")
find "${sys_path}" -maxdepth 1 -mindepth 1 -type d | sed -e 's|.*/||g'
}
get_vland_names() {
lava-vland-names | cut -d , -f 1 | grep -v "^$"
}
##
# Main entry point
vland_name=${1}
if [ -z "$(which lava-vland-names 2>/dev/null)" ]; then
echo "Not in LAVA"
exit 1
fi
if [ -n "${vland_name}" ]; then
ret=$(get_vland_interface "${vland_name}")
if [ -n "${ret}" ]; then
echo "${ret}"
exit 0
fi
echo "No such vland: $vland_name" >&2
exit 1
fi
if [ "$(get_vland_names|wc -l)" -ne 1 ]; then
echo "More then one vland name available" >&2
echo "Alternatives are:" >&2
get_vland_names >&2
exit 1
else
get_vland_interface "$(get_vland_names)"
fi
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