mirror of https://github.com/CalyxOS/scripts
79 lines
1.3 KiB
Bash
Executable File
79 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-FileCopyrightText: 2022 The Calyx Institute
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# update-vars:
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#
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# Update Pixel device-specific variables by parsing Google's pages
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#
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#
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##############################################################################
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### SET ###
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# use bash strict mode
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set -euo pipefail
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### TRAPS ###
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# trap signals for clean exit
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trap 'error_m interrupted!' SIGINT
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### CONSTANTS ###
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readonly script_path="$(cd "$(dirname "$0")";pwd -P)"
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readonly vars_path="${script_path}/../vars"
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source "${vars_path}/pixels"
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## HELP MESSAGE (USAGE INFO)
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# TODO
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### FUNCTIONS ###
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# error message
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# ARG1: error message for STDERR
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# ARG2: error status
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error_m() {
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echo "ERROR: ${1:-'failed.'}" 1>&2
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return "${2:-1}"
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}
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# print help message.
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help_message() {
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echo "${help_message:-'No help available.'}"
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}
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main() {
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local key="${1}"
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local value="${2}"
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shift; shift
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if [[ $# -ne 0 ]]; then
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local files="${@}"
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else
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local files="${devices[@]}"
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fi
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for f in ${files}; do
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(
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local fv="${vars_path}/${f}"
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source "${fv}"
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sed -i "/ prev_${key}=/c\readonly prev_${key}=\"${!key}\"" "${fv}"
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sed -i "/ ${key}=/c\readonly ${key}=\"$value\"" "${fv}"
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)
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done
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}
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### RUN PROGRAM ###
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main "${@}"
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##
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