82 lines
1.6 KiB
Bash
Executable File
82 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# download:
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#
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# Download Pixel factory images and OTA updates from Google
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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 'exit $?' EXIT
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trap 'error_m interrupted!' SIGINT
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### CONSTANTS ###
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readonly script_path="$(cd "$(dirname "$0")";pwd -P)"
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readonly vars_path="${script_path}/../vars"
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readonly work_dir="${WORK_DIR:-/tmp/pixel}"
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source "${vars_path}/devices"
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readonly device="${1}"
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source "${vars_path}/${device}"
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## HELP MESSAGE (USAGE INFO)
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# TODO
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### FUNCTIONS ###
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download_factory_image() {
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local factory_dir="${work_dir}/${device}/${build_id}"
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mkdir -p "${factory_dir}"
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local output="${factory_dir}/$(basename ${image_url})"
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curl --http1.1 -C - -L -o "${output}" "${image_url}"
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echo "${image_sha256} ${output}" | sha256sum --check --status
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}
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download_ota_zip() {
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local ota_dir="${work_dir}/${device}/${build_id}"
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mkdir -p "${ota_dir}"
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local output="${ota_dir}/$(basename ${ota_url})"
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curl --http1.1 -C - -L -o "${output}" "${ota_url}"
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echo "${ota_sha256} ${output}" | sha256sum --check --status
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}
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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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download_factory_image
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# Not all devices need OTA, most are supported in image_unpacker
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if [[ -n ${needs_ota-} ]]; then
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download_ota_zip
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fi
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}
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### RUN PROGRAM ###
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main "${@}"
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##
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