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lbmk/resources/scripts/download/u-boot
T
Alper Nebi Yasak 71cf7f9db1 download/u-boot: Remove support for deleting git folders
Removing the git dirs was part of deblobbing, which Libreboot no longer
cares about. The variable that triggers it is no more. Remove the dead
code.

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2022-12-09 16:50:29 +03:00

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#!/usr/bin/env bash
# helper script: download u-boot
#
# Copyright (C) 2021 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
[[ -f build_error ]] && rm -f build_error
list_supported_boards() {
for board in resources/u-boot/*; do
if [ -d ${board} ]; then
echo "${board#resources/u-boot/}"
fi
done
}
downloadfor() {
board="${1}"
# The loop will always exit, but this while loop is crafted
# such that a tree referencing a tree that references another tree is possible
# (and so on)
while true; do
ubrevision="undefined"
ubtree="undefined"
if [ ! -f "resources/u-boot/${board}/board.cfg" ]; then
printf "ERROR: %s: board.cfg does not exist for '%s'\n" \
"download/u-boot" "${board}"
return 1
fi
if [ -f "resources/u-boot/${board}/seen" ]; then
printf "ERROR: %s: logical loop; '%s' board.cfg refers to another tree, which ultimately refers back to '%s'.\n" \
"download/u-boot" "${board}" "${board}"
return 1
fi
# This is to override $ubrevision and $ubtree
source "resources/u-boot/${board}/board.cfg" || touch build_error
if [ -f build_error ]; then
printf "ERROR: %s: problem sourcing %s/board.cfg\n" \
"download/u-boot" "${board}"
return 1
fi
touch "resources/u-boot/${board}/seen"
if [ "${board}" != "${ubtree}" ]; then
board="${ubtree}"
else
if [ "${ubtree}" = "undefined" ]; then
printf "ERROR: %s: tree name undefined for '%s\n'" \
"download/u-boot" "${board}"
return 1
fi
if [ "${ubrevision}" = "undefined" ]; then
printf "ERROR: %s: commit ID undefined for '%s'\n" \
"download/u-boot" "${board}"
return 1
fi
break
fi
done
rm -f resources/u-boot/*/seen
ubtree="u-boot/${ubtree}"
if [ -d "${ubtree}" ]; then
printf \
"REMARK: '%s' directory already exists. Skipping setup.\n" \
"${ubtree}"
if [ "${ubtree}" != "u-boot/${board}" ]; then
printf "(for board: '${board}')\n"
fi
return 0
fi
if [ ! -d "u-boot" ]; then
mkdir -p "u-boot"
fi
if [ ! -d "u-boot" ]; then
printf \
"ERROR: '%s' directory not created. Check file system permissions\n" \
"u-boot"
return 1
fi
uboot_dir="u-boot/u-boot"
if [ ! -d "${uboot_dir}/.git" ] && [ -d "${uboot_dir}" ]; then
rm -Rf "${uboot_dir}"
fi
if [ ! -d "${uboot_dir}" ]; then
printf "Download u-boot from upstream:\n"
git clone https://source.denx.de/u-boot/u-boot.git \
"${uboot_dir}" || \
rm -Rf "${uboot_dir}"
if [ ! -d "${uboot_dir}" ]; then
printf "WARNING: Upstream failed. Trying backup github repository:\n"
git clone https://github.com/u-boot/u-boot.git \
"${uboot_dir}" || \
rm -Rf coreboot
fi
if [ ! -d "${uboot_dir}" ]; then
printf \
"ERROR: %s: Problem with git-clone. Network issue?\n" \
"download/u-boot"
return 1
fi
fi
git -C "${uboot_dir}" fetch origin "${ubrevision}" || touch build_error
if [ -f build_error ]; then
printf \
"ERROR: %s: Problem with git-fetch. Network issue?\n" \
"download/u-boot"
return 1
fi
cp -R "${uboot_dir}" "${ubtree}" || touch build_error
if [ -f build_error ]; then
printf "ERROR: %s: Unable to copy directory. Check file system permissions or free space.\n" \
"download/u-boot"
rm -Rf "${ubtree}/"
return 1
fi
git -C "${ubtree}" reset --hard ${ubrevision} || \
touch build_error
if [ -f build_error ]; then
printf \
"ERROR: %s: Unable to reset to commit ID/tag '%s' for board '%s' on tree '%s'\n" \
"download/u-boot" "${ubrevision}" "${board}" "${ubtree}"
return 1
fi
git -C "${ubtree}" submodule update --init || touch build_error
if [ -f build_error ]; then
printf "ERROR: %s: Unable to update submodules for tree '%s'\n" \
"${ubtree}"
return 1
fi
for patch in resources/u-boot/${board}/patches/*.patch; do
if [ ! -f "${patch}" ]; then
continue
fi
git -C "${ubtree}" am "$(pwd)/${patch}" || touch build_error
if [ -f build_error ]; then
printf "ERROR: %s: Unable to apply patch '%s' for board '%s' on tree '%s'" \
"download/u-boot" "${patch}" "${board}" "${ubtree}"
git -C "${ubtree}" am --abort
return 1
fi
done
# extra.sh could be used to patch submodules, if you wanted to
# It's impossible to predict what submodules will be available, and
# it's rare that you'd want to patch them, so this is handled by
# extra.sh on a per-board basis
# In fact, extra.sh can be used for anything you want.
if [ -f "resources/u-boot/${board}/extra.sh" ]; then
"resources/u-boot/${board}/extra.sh" || touch build_error
if [ -f build_error ]; then
return 1
fi
return 0
else
return 0
fi
}
strip_comments()
{
file="$1"
# Remove comments
sed 's/#.*//' "${file}" | \
# Remove lines composed of whitespaces only
sed '/^\W\+$/d' | \
# Remove empty lines
sed '/^$/d'
}
usage()
{
progname="./download u-boot"
printf "Usage:\n"
printf "\t%s [board] # %s\n" \
"${progname}" \
"Download u-boot for the given board"
printf "\t%s --list-boards # %s\n" \
"${progname}" \
"List supported boards"
printf "\t%s --help # %s\n" \
"${progname}" \
"Prints this help"
}
download_uboot_board()
{
board="${1}"
ubtree="u-boot/${board}"
printf "Downloading u-boot "
printf "and (if exist in build system) applying patches\n"
downloadfor "${board}"
rm -f "build_error"
printf "\n\n"
}
if [ $# -eq 0 ] ; then
for board in $(list_supported_boards); do
download_uboot_board "${board}"
done
exit 0
elif [ $# -eq 1 -a "$1" == "--help" ] ; then
usage
exit 0
elif [ $# -eq 1 -a "$1" == "--list-boards" ] ; then
list_supported_boards
exit 0
elif [ $# -eq 1 ] ; then
for board in $(list_supported_boards) ; do
if [ "$board" = "$1" ] ; then
download_uboot_board "$1"
exit 0
fi
done
printf "Error: Board '${1}' is not supported\n"
exit 1
fi
exit 0