mirror of
https://codeberg.org/libreboot/lbmk.git
synced 2026-07-12 22:42:54 +02:00
Alper Nebi Yasak
ef39e05bb5
Keeping the git repositories is useful while development, e.g. to avoid git cloning repositories over and over again while debugging download scripts. Setting the NODELETE environment variable keeps the blobs and the git repositories. Allow a slightly finer-tuned version of this where we can keep only the git-related files by setting the variable to "git". Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
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 "${uboot_dir}" ]; then
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printf "Download u-boot from upstream:\n"
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git clone https://source.denx.de/u-boot/u-boot.git \
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"${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 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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else
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git -C "${uboot_dir}" pull || touch build_error
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if [ -f build_error ]; then
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printf \
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"ERROR: %s: Problem with git-pull. Network issue?\n" \
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"download/u-boot"
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return 1
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fi
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fi
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cp -R "${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 "${ubtree}" submodule update --init || touch build_error
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if [ -f build_error ]; then
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printf "ERROR: %s: Unable to update submodules for tree '%s'\n" \
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"${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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