415 lines
10 KiB
Bash
Executable File
415 lines
10 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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# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
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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${DEBUG+set}" = 'xset' ] && set -v
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set -u -e
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# set this when you want to modify each u-boot tree
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# for example, you want to test custom patches
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# NODELETE= ./download u-boot
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deletegit="true"
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deleteblobs="true"
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if [ "x${NODELETE+set}" = 'xset' ]; then
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[ "x${NODELETE:-all}" = "xgit" ] && deletegit="false"
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[ "x${NODELETE:-all}" = "xall" ] && deleteblobs="false" && deletegit="false"
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fi
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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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list_supported_boards() {
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for board in resources/u-boot/*; do
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if [ -d ${board} ]; then
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echo "${board#resources/u-boot/}"
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fi
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done
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}
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downloadfor() {
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board="${1}"
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# The loop will always exit, but this while loop is crafted
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# such that a tree referencing a tree that references another tree is possible
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# (and so on)
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while true; do
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ubrevision="undefined"
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ubtree="undefined"
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if [ ! -f "resources/u-boot/${board}/board.cfg" ]; then
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printf "ERROR: %s: board.cfg does not exist for '%s'\n" \
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"download/u-boot" "${board}"
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return 1
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fi
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if [ -f "resources/u-boot/${board}/seen" ]; then
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printf "ERROR: %s: logical loop; '%s' board.cfg refers to another tree, which ultimately refers back to '%s'.\n" \
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"download/u-boot" "${board}" "${board}"
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return 1
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fi
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# This is to override $ubrevision and $ubtree
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source "resources/u-boot/${board}/board.cfg" || touch build_error
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if [ -f build_error ]; then
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printf "ERROR: %s: problem sourcing %s/board.cfg\n" \
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"download/u-boot" "${board}"
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return 1
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fi
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touch "resources/u-boot/${board}/seen"
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if [ "${board}" != "${ubtree}" ]; then
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board="${ubtree}"
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else
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if [ "${ubtree}" = "undefined" ]; then
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printf "ERROR: %s: tree name undefined for '%s\n'" \
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"download/u-boot" "${board}"
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return 1
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fi
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if [ "${ubrevision}" = "undefined" ]; then
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printf "ERROR: %s: commit ID undefined for '%s'\n" \
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"download/u-boot" "${board}"
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return 1
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fi
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break
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fi
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done
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rm -f resources/u-boot/*/seen
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ubtree="u-boot/${ubtree}"
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if [ -d "${ubtree}" ]; then
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printf \
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"REMARK: '%s' directory already exists. Skipping setup.\n" \
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"${ubtree}"
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if [ "${ubtree}" != "u-boot/${board}" ]; then
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printf "(for board: '${board}')\n"
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fi
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return 0
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fi
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if [ ! -d "u-boot" ]; then
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mkdir -p "u-boot"
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fi
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if [ ! -d "u-boot" ]; then
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printf \
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"ERROR: '%s' directory not created. Check file system permissions\n" \
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"u-boot"
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return 1
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fi
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uboot_dir="u-boot/u-boot"
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if [ ! -d "${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 "${uboot_dir}" ]; then
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printf "Download u-boot from upstream:\n"
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git clone --depth=1 https://source.denx.de/u-boot/u-boot.git \
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"${uboot_dir}" || \
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rm -Rf "${uboot_dir}"
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if [ ! -d "${uboot_dir}" ]; then
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printf "WARNING: Upstream failed. Trying backup github repository:\n"
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git clone --depth=1 https://github.com/u-boot/u-boot.git \
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"${uboot_dir}" || \
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rm -Rf coreboot
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fi
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if [ ! -d "${uboot_dir}" ]; then
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printf \
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"ERROR: %s: 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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fi
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git -C "${uboot_dir}" fetch --depth=1 origin "${ubrevision}" || 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-fetch. 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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cp -R "${uboot_dir}" "${ubtree}" || touch build_error
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if [ -f build_error ]; then
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printf "ERROR: %s: Unable to copy directory. Check file system permissions or free space.\n" \
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"download/u-boot"
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rm -Rf "${ubtree}/"
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return 1
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fi
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git -C "${ubtree}" reset --hard ${ubrevision} || \
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touch build_error
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if [ -f build_error ]; then
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printf \
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"ERROR: %s: Unable to reset to commit ID/tag '%s' for board '%s' on tree '%s'\n" \
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"download/u-boot" "${ubrevision}" "${board}" "${ubtree}"
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return 1
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fi
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git -C "${ubtree}" submodule update --init --depth=1 || touch build_error
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if [ -f build_error ]; then
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printf "ERROR: %s: Unable to update submodules for tree '%s'\n" \
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"${ubtree}"
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return 1
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fi
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for patch in resources/u-boot/${board}/patches/*.patch; do
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if [ ! -f "${patch}" ]; then
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continue
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fi
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git -C "${ubtree}" am "$(pwd)/${patch}" || touch build_error
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if [ -f build_error ]; then
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printf "ERROR: %s: Unable to apply patch '%s' for board '%s' on tree '%s'" \
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"download/u-boot" "${patch}" "${board}" "${ubtree}"
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git -C "${ubtree}" am --abort
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return 1
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fi
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done
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# extra.sh could be used to patch submodules, if you wanted to
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# It's impossible to predict what submodules will be available, and
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# it's rare that you'd want to patch them, so this is handled by
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# extra.sh on a per-board basis
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# In fact, extra.sh can be used for anything you want.
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if [ -f "resources/u-boot/${board}/extra.sh" ]; then
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"resources/u-boot/${board}/extra.sh" || touch build_error
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if [ -f build_error ]; then
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return 1
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fi
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return 0
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else
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return 0
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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 and deblob u-boot for all boards"
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printf "\t%s [board] # %s\n" \
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"${progname}" \
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"Download and deblob u-boot for the given board"
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printf "\t%s --blobs-list # %s\n" \
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"${progname}" \
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"Print the path of the generic blobs.list file"
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printf "\t%s --blobs-list [board] # %s\n" \
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"${progname}" \
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"Print the path of the blobs.list file for the given board"
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printf "\t%s --gen-deblob-script # %s\n" \
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"${progname}" \
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"Print the path of a generated generic deblob script"
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printf "\t%s --gen-deblob-script [board] # %s\n" \
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"${progname}" \
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"Print the path of a generated deblob script for the given board"
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printf "\t%s --list-boards # %s\n" \
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"${progname}" \
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"List supported boards"
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printf "\t%s --help # %s\n" \
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"${progname}" \
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"Prints this help"
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}
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download_uboot_board()
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{
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board="${1}"
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ubtree="u-boot/${board}"
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printf "Downloading u-boot "
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printf "and (if exist in build system) applying patches\n"
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downloadfor "${board}"
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rm -f "build_error"
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printf "\n\n"
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if [ "${deleteblobs}" = "true" ]; then
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if [ "${deletegit}" = "true" ]; then
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rm -rf "${ubtree}"/.git* "${ubtree}"/*/.git*
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fi
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blobslist="$(print_blobs_list_path "${board}")"
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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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"${ubtree}" "${blob_path}"
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rm -rf "${ubtree}/${blob_path}"
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else
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printf "Deleting blob file: '%s/%s'\n" \
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"${ubtree}" "${blob_path}"
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rm -f "${ubtree}/${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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board="$1"
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if [ -f "resources/u-boot/${board}/blobs.list" ]; then
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printf "resources/u-boot/${board}/blobs.list\n"
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else
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printf "resources/u-boot/default/blobs.list\n"
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fi
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}
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print_deblob_script_path()
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{
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board="$1"
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path="$(mktemp)"
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generate_deblob_script "$(print_blobs_list_path ${board})" "${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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for board in $(list_supported_boards); do
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download_uboot_board "${board}"
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done
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if [ "${deletegit}" = "true" ]; then
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rm -rf u-boot/u-boot/ u-boot/.git*
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fi
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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-boards" ] ; then
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list_supported_boards
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exit 0
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elif [ $# -eq 1 -a "$1" == "--blobs-list" ] ; then
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print_blobs_list_path "default"
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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 board in $(list_supported_boards) ; do
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if [ "${board}" = "$2" ] ; then
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print_blobs_list_path "$2"
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exit 0
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fi
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done
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printf "Error: Board '${2}' 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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print_deblob_script_path "default"
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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 board in $(list_supported_boards) ; do
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if [ "$board" = "$2" ] ; then
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print_deblob_script_path "$2"
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exit 0
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fi
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done
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printf "Error: Board '${2}' is not supported\n"
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exit 1
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elif [ $# -eq 1 ] ; then
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for board in $(list_supported_boards) ; do
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if [ "$board" = "$1" ] ; then
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download_uboot_board "$1"
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exit 0
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fi
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done
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if [ "${deletegit}" = "true" ]; then
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rm -rf u-boot/u-boot/ u-boot/.git*
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fi
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printf "Error: Board '${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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