289 lines
7.4 KiB
Bash
Executable File
289 lines
7.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# helper script: download u-boot
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#
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# Copyright (C) 2014, 2015, 2016, 2020, 2021 Leah Rowe <info@minifree.org>
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# Copyright (C) 2021 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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[ "x${DEBUG+set}" = 'xset' ] && set -v
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set -u -e
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# set this when you want to modify each u-boot tree
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# for example, you want to test custom patches
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# NODELETE= ./download coreboot
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deleteblobs="true"
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[ "x${NODELETE+set}" = 'xset' ] && deleteblobs="false"
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# Error handling is extreme in this script.
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# This script handles the internet, and Git. Both are inherently unreliable.
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[[ -f build_error ]] && rm -f build_error
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# Make sure that older revision are first as code uses that order to
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# find the latest supported revision.
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supported_uboot_revisions=" \
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v2021.07 \
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v2022.07 \
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v2022.10 \
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v2023.01 \
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v2023.04 \
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"
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downloadfor() {
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uboot_revision="$1"
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uboot_dir="u-boot/u-boot"
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if [ ! -d "${uboot_dir}" ]; then
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mkdir -p "${uboot_dir}"
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fi
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if [ ! -d "${uboot_dir}" ]; then
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printf \
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"ERROR: '%s' directory not created. Check file system permissions\n" \
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"${uboot_dir}"
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return 1
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fi
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if [ ! -d "${uboot_dir}/.git" ] && [ -d "${uboot_dir}" ]; then
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rm -Rf "${uboot_dir}"
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fi
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if [ ! -d "${uboot_dir}" ]; then
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printf "Download u-boot from upstream:\n"
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git clone https://source.denx.de/u-boot/u-boot.git \
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"${uboot_dir}" || \
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rm -Rf "${uboot_dir}"
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if [ ! -d "${uboot_dir}" ]; then
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printf \
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"ERROR: %s: Problem with git-clone. Network issue?\n" \
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"download/u-boot"
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return 1
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fi
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else
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git -C "${uboot_dir}" fetch origin "${uboot_revision}" --tags || \
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touch build_error
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if [ -f build_error ]; then
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printf \
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"ERROR: %s: Problem with git-pull. Network issue?\n" \
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"download/u-boot"
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return 1
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fi
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fi
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git -C "${uboot_dir}" reset --hard ${uboot_revision} || \
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touch build_error
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if [ -f build_error ]; then
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printf \
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"ERROR: %s: Unable to reset to commit ID/tag '%s' for board '%s' on tree '%s'\n" \
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"download/u-boot" "${uboot_revision}" "${1}" "${uboot_dir}"
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return 1
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fi
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}
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strip_comments()
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{
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file="$1"
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# Remove comments
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sed 's/#.*//' "${file}" | \
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# Remove lines composed of whitespaces only
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sed '/^\W\+$/d' | \
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# Remove empty lines
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sed '/^$/d'
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}
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generate_deblob_script()
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{
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blob_list_file="$1"
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output="$2"
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# Add sheebang and copyright headers from this file
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awk '{
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if ($0 !~ /^#/ && NF > 0) {
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stop=1;
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}
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if (stop !=1) {
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printf("%s\n", $0);
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}
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}' $0 >> ${output}
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# Add rm -rf before directories and rm -f before files
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awk \
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'{
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}{
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if (NF == 0) {
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printf("\n");
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} else {
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if ($0 !~ /#/ && $NF ~ /\/$/) {
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printf("rm -rf %s\n", $0);
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} else if ($0 !~ /#/) {
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printf("rm -f %s\n", $0);
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} else {
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# We have comments, try to see if they are
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# still valid paths before the comments
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comments_found=0
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last_field=0
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for(i=1; i<=NF; i++) {
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if($i ~ /#/) {
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comments_found=1;
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} else if(comments_found != 1) {
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last_field=i;
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}
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}
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if (last_field == 0) {
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printf("%s\n", $0);
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} else if ($last_field ~ /\/$/) {
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printf("rm -rf %s\n", $0);
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} else {
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printf("rm -f %s\n", $0);
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}
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}
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}
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}' "${blob_list_file}" >> "${output}"
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}
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usage()
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{
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progname="./download u-boot"
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printf "Usage:\n"
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printf "\t%s # %s\n" \
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"${progname}" \
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"Download latest u-boot git revision and deblob it"
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printf "\t%s [revision] # %s\n" \
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"${progname}" \
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"Download given u-boot git revision and deblob it"
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printf "\t%s --blobs-list # %s\n" \
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"${progname}" \
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"Print the path of the blobs.list file for the latest supported u-boot revision"
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printf "\t%s --blobs-list [revision] # %s\n" \
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"${progname}" \
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"Print the path of the blobs.list file for the given u-boot revision"
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printf "\t%s --gen-deblob-script # %s\n" \
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"${progname}" \
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"Print the path of the generated deblob script for the latest supported u-boot revision"
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printf "\t%s --gen-deblob-script [revision] # %s\n" \
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"${progname}" \
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"Print the path of the generated deblob script for the given u-boot revision"
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printf "\t%s --list-revisions # %s\n" \
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"${progname}" \
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"List supported u-boot revisions"
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printf "\t%s --help # %s\n" \
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"${progname}" \
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"Prints this help"
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}
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download_uboot_revision()
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{
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git_revision="$1"
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printf "Downloading u-boot "
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printf "and (if exist in build system) applying patches\n"
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downloadfor "${git_revision}"
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rm -f "build_error"
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printf "\n\n"
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if [ "${deleteblobs}" = "true" ]; then
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blobslist="resources/u-boot/default/blobs.list"
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for blob_path in $(strip_comments "${blobslist}"); do
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if echo "${blob_path}" | \
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grep '/$' 2>&1 >/dev/null ; then
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printf "Deleting blob directory: '%s/%s'\n" \
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"${uboot_dir}" "${blob_path}"
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rm -rf "${uboot_dir}/${blob_path}"
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else
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printf "Deleting blob file: '%s/%s'\n" \
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"${uboot_dir}" "${blob_path}"
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rm -f "${uboot_dir}/${blob_path}"
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fi
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done
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fi
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}
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print_blobs_list_path()
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{
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printf "resources/u-boot/default/blobs.list\n"
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}
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print_deblob_script_path()
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{
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version="$1"
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path="$(mktemp)"
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generate_deblob_script "$(print_blobs_list_path ${version})" "${path}"
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printf "%s\n" ${path}
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}
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if [ $# -eq 0 ] ; then
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latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
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download_uboot_revision "${latest_revision}"
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exit 0
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elif [ $# -eq 1 -a "$1" == "--help" ] ; then
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usage
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exit 0
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elif [ $# -eq 1 -a "$1" == "--list-revisions" ] ; then
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for revision in ${supported_uboot_revisions} ; do
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printf "${revision}\n"
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done
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exit 0
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elif [ $# -eq 1 -a "$1" == "--blobs-list" ] ; then
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latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
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print_blobs_list_path "${latest_revision}"
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exit 0
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elif [ $# -eq 2 -a "$1" == "--blobs-list" ] ; then
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found=0
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for revision in ${supported_uboot_revisions} ; do
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if [ "${revision}" = "$2" ] ; then
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print_blobs_list_path "$2"
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exit 0
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fi
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done
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printf "Error: Revision '${1}' is not supported\n"
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exit 1
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elif [ $# -eq 1 -a "$1" == "--gen-deblob-script" ] ; then
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latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
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print_deblob_script_path "${latest_revision}"
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exit 0
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elif [ $# -eq 2 -a "$1" == "--gen-deblob-script" ] ; then
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found=0
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for revision in ${supported_uboot_revisions} ; do
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if [ "${revision}" = "$2" ] ; then
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print_deblob_script_path "$2"
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exit 0
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fi
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done
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printf "Error: Revision '${1}' is not supported\n"
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exit 1
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elif [ $# -eq 1 ] ; then
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found=0
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for revision in ${supported_uboot_revisions} ; do
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if [ "${revision}" = "$1" ] ; then
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download_uboot_revision "$1"
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exit 0
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fi
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done
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printf "Error: Revision '${1}' is not supported\n"
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exit 1
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fi
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exit 0
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