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-rwxr-xr-xscript/update/project/trees199
1 files changed, 199 insertions, 0 deletions
diff --git a/script/update/project/trees b/script/update/project/trees
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+++ b/script/update/project/trees
@@ -0,0 +1,199 @@
+#!/usr/bin/env sh
+
+# helper script: create code trees based on git revision, with patches
+# (currently used for downloading coreboot, seabios and u-boot)
+#
+# Copyright (C) 2014-2016,2020,2021,2023 Leah Rowe <info@minifree.org>
+# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+# Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.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${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+. "include/err.sh"
+
+_target=""
+tree=""
+rev=""
+project=""
+cfgsdir=""
+
+main()
+{
+ id -u 1>/dev/null 2>/dev/null || \
+ err "cannot ascertain user id"
+ if [ "$(id -u)" = "0" ]; then
+ err "running lbmk as root is not permitted"
+ fi
+ ./checkgit || err "Please read: https://libreboot.org/docs/build/"
+
+ rm -f "${cfgsdir}"/*/seen || err_rm_seen "main 1"
+
+ printf "Downloading %s and (if available) applying patches\n" \
+ ${project}
+
+ [ -z "${1}" ] && err "project name not specified"
+ project="${1}"
+ cfgsdir="resources/${project}"
+ [ -d "${cfgsdir}" ] || err "unsupported project name"
+ shift 1
+
+ targets=$(./build command options "${cfgsdir}")
+ [ $# -gt 0 ] && targets=$@
+ [ -z "${targets}" ] && \
+ err "No targets available for project: ${project}"
+
+ for x in ${targets}; do
+ rm -f "${cfgsdir}"/*/seen || err_rm_seen "main 2"
+ download_for_target "${x}" || \
+ err "${project}/${target}: cannot download source tree"
+ done
+
+ rm -f "${cfgsdir}"/*/seen || err_rm_seen "main 3"
+}
+
+download_for_target()
+{
+ _target="${1}"
+ tree="undefined"
+ rev="undefined"
+
+ fetch_config "${_target}" || \
+ err "download_for_target: ${project}/${_target}: bad target.cfg"
+
+ rm -f "${cfgsdir}"/*/seen || err_rm_seen "download_for_target"
+
+ if [ -d "${project}/${tree}" ]; then
+ printf "REMARK: download/%s %s: exists. Skipping.\n" \
+ "${project}" "${tree}" 1>&2
+ [ "${tree}" != "${_target}" ] && \
+ printf "(for target: '%s}')\n" "${_target}" 1>&2
+ return 0
+ fi
+
+ fetch_from_upstream || \
+ err "download_for_target: cannot fetch: ${project}"
+ prepare_new_tree "${_target}" "${tree}" "${rev}" || \
+ err "download_for_target: cannot create tree: ${project}/${tree}"
+}
+
+fetch_config()
+{
+ _target=${1}
+
+ while true; do
+ rev="undefined"
+ tree="undefined"
+
+ check_config_for_target "${_target}" || return 1
+
+ # This is to override $rev and $tree
+ . "${cfgsdir}/${_target}/target.cfg" || \
+ err "fetch_config: no \"${cfgsdir}/${_target}/target.cfg\""
+
+ if [ "${_target}" != "${tree}" ]; then
+ _target="${tree}"
+ continue
+ elif [ "${tree}" = "undefined" ]; then
+ printf "ERROR (fetch_config): download/%s:" 1>&2
+ printf " tree name undefined for '%s\n'" \
+ "${project}" "${_target}" 1>&2
+ return 1
+ elif [ "${rev}" = "undefined" ]; then
+ printf "ERROR (fetch_config): download/%s:" 1>&2
+ printf " commit ID undefined for '%s'\n" \
+ "${project}" "${_target}" 1>&2
+ return 1
+ else
+ break
+ fi
+ done
+}
+
+check_config_for_target()
+{
+ _target=${1}
+
+ if [ ! -f "${cfgsdir}/${_target}/target.cfg" ]; then
+ printf "ERROR: download/%s: target.cfg does not" \
+ "${project}" 1>&2
+ printf " exist for '%s'\n" "${_target}" 1>&2
+ return 1
+ elif [ -f "${cfgsdir}/${_target}/seen" ]; then
+ printf "ERROR: download/%s: logical loop:" "${project}" 1>&2
+ printf " '%s' target.cfg refers to another tree," "${_target}" \
+ 1>&2
+ printf " which ultimately refers back to '%s'." "${_target}" \
+ 1>&2
+ return 1
+ fi
+ touch "${cfgsdir}/${_target}/seen" || \
+ err "${project}/${_target}: touch \"${cfgsdir}/${_target}/seen\""
+}
+
+fetch_from_upstream()
+{
+ [ -d "${project}" ] || mkdir -p "${project}" || return 1
+ [ -d "${project}" ] || return 1
+ [ -d "${project}/${project}" ] && return 0
+
+ ./fetch ${project} || return 1
+}
+
+prepare_new_tree()
+{
+ target=${1}
+ tree=${2}
+ rev=${3}
+
+ printf "Preparing %s tree: %s\n" ${project} ${tree}
+ [ "${tree}" != "${target}" ] && \
+ printf "(for target, %s)\n" "${target}"
+
+ cp -R "${project}/${project}" "${project}/${tree}" || \
+ err "${project}/${tree}: cannot copy source tree"
+ (
+ cd "${project}/${tree}" || err "cannot cd to ${project}/${tree}"
+ git reset --hard ${rev} || \
+ err "cannot reset ${project} revision for tree, ${tree}"
+ git submodule update --init --checkout || \
+ err "cannot update ${project} submodules for tree, ${tree}"
+
+ for patch in "../../${cfgsdir}/${tree}/patches/"*.patch; do
+ [ -f "${patch}" ] || continue
+ if ! git am "${patch}"; then
+ git am --abort || \
+ err "${project}/${tree}: FAILED: git am --abort"
+ err "cannot patch: ${project}/${tree}"
+ fi
+ done
+
+ # extra.sh can be used for anything
+ # but should *only* be a last resort
+ if [ -f "../../${cfgsdir}/${tree}/extra.sh" ]; then
+ "../../${cfgsdir}/${tree}/extra.sh" || \
+ err "prepare_new_tree ${project}/${tree}: extra.sh: error"
+ fi
+ )
+}
+
+err_rm_seen()
+{
+ err "${1}: ${project}/${target}: cannot rm: \"${cfgsdir}/*/seen\""
+}
+
+main $@