diff options
Diffstat (limited to 'script/update/project/trees')
| -rwxr-xr-x | script/update/project/trees | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/script/update/project/trees b/script/update/project/trees new file mode 100755 index 00000000..20bc1587 --- /dev/null +++ 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 $@ |