firmware/src/packages/fff/fff-layer3-config/files/etc/layer3.d/01-version

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configure() {
# check if gateway config exists
if ! uci -q show gateway > /dev/null; then
echo "ERROR: Gateway config could not be parsed or does not exist."
return 1
fi
# check version of configuration
local expected_version=1
local config_version=$(uci -q get gateway.meta.config_version)
if ! [ -n "$config_version" ]; then
echo "ERROR: No config version given. Supported versions: '$expected_version'"
return 1
fi
if [ "$config_version" != "$expected_version" ]; then
echo "ERROR: Invalid config version. Expected '$expected_version', got '$config_version'."
echo "Please check what has been changed and adjust your config appropriately."
return 1
fi
return 0
}