48 lines
716 B
Bash
48 lines
716 B
Bash
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#!/bin/sh
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# SPDX-License-Identifier: MIT
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#
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# Copyright (c) 2024 TQ-Systems GmbH <oss@ew.tq-group.com>, D-82229 Seefeld, Germany.
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# Author: Matthias Schiffer
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set -e
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RUNTIME_CONFIG=/run/tq/fw_env.config
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get_root_dev () {
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findmnt --evaluate --first-only --noheadings --output SOURCE --mountpoint /
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}
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get_env_loc () {
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case "$(get_root_dev)" in
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/dev/mmcblk0p*)
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echo mmc0
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;;
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/dev/mmcblk1p*)
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echo mmc1
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;;
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ubi0:*)
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echo spi
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;;
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esac
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}
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get_fw_env_config () {
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echo "/etc/fw_env.config-$(get_env_loc)"
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}
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main () {
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local config
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config=$(get_fw_env_config)
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if ! [ -r "$config" ]; then
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config=/dev/null
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fi
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mkdir -p "$(dirname "$RUNTIME_CONFIG")"
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ln -sfn "$config" "$RUNTIME_CONFIG"
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}
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main "$@"
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