diff options
Diffstat (limited to 'include/get.sh')
| -rw-r--r-- | include/get.sh | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/include/get.sh b/include/get.sh new file mode 100644 index 00000000..9ab6956d --- /dev/null +++ b/include/get.sh @@ -0,0 +1,365 @@ +# SPDX-License-Identifier: GPL-3.0-or-later + +# Copyright (c) 2020-2021,2023-2025 Leah Rowe <leah@libreboot.org> +# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com> + +url="" +bkup_url="" + +depend="" +loc="" +subcurl="" +subcurl_bkup="" +subgit="" +subgit_bkup="" +subhash="" + +tmpgit="$xbtmp/gitclone" +tmpgitcache="$xbtmp/tmpgit" + +fetch_targets() +{ + if [ ! -d "src/$project/$tree" ]; then + git_prep "$url" "$bkup_url" \ + "$xbmkpwd/$configdir/$tree/patches" \ + "src/$project/$tree" "submod" + fi +} + +fetch_project() +{ + xgcctree="" + + . "config/git/$project/pkg.cfg" || \ + err "Can't read config 'config/git/$project/pkg.cfg'" \ + "fetch_project" "@" + + if [ -z "$url" ] || [ -z "$bkup_url" ]; then + err "url/bkup_url not both set 'config/git/$project/pkg.cfg'" \ + "fetch_project" "$@" + fi + + if [ -n "$xgcctree" ]; then + x_ ./mk -f coreboot "$xgcctree" + fi + if [ -n "$depend" ]; then + for d in $depend ; do + x_ ./mk -f $d + done + fi + + clone_project +} + +clone_project() +{ + if singletree "$project"; then + loc="src/$project" + + if [ -d "$loc" ]; then + return 0 + fi + + remkdir "${tmpgit%/*}" + git_prep "$url" "$bkup_url" \ + "$xbmkpwd/config/$project/patches" "$loc" + fi +} + +git_prep() +{ + printf "Creating code directory, src/%s/%s\n" "$project" "$tree" + + _patchdir="$3" + _loc="$4" # $1 and $2 are gitrepo and gitrepo_backup + + if [ -z "$rev" ]; then + err "$project/$tree: rev not set" "git_prep" "$@" + fi + + xbget git "$1" "$2" "$tmpgit" "$rev" "$_patchdir" + if singletree "$project" || [ $# -gt 4 ]; then + dx_ fetch_submodule "$mdir/module.list" + fi + + if [ "$_loc" != "${_loc%/*}" ]; then + x_ xbmkdir "${_loc%/*}" + fi + + x_ mv "$tmpgit" "$_loc" +} + +fetch_submodule() +{ + mcfgdir="$mdir/${1##*/}" + + st="" + subcurl="" + subcurl_bkup="" + subgit="" + subgit_bkup="" + subhash="" + + if e "$mcfgdir/module.cfg" f missing; then + return 0 + fi + . "$mcfgdir/module.cfg" || \ + err "Can't read '$mcfgdir/module.cfg'" "fetch_submodules" "$@" + + if [ -n "$subgit" ] || [ -n "$subgit_bkup" ]; then + st="$st git" + fi + if [ -n "$subcurl" ] || [ -n "$subcurl_bkup" ]; then + st="$st curl" + fi + + st="${st# }" + if [ "$st" = "git curl" ]; then + err "$mdir: git+curl defined" "fetch_submodule" "$@" + fi + + if [ -z "$st" ]; then + return 0 + fi + + if [ "$st" = "curl" ]; then + if [ -z "$subcurl" ] || [ -z "$subcurl_bkup" ]; then + err "subcurl/subcurl_bkup not both set" \ + "fetch_submodule" "$@" + fi + elif [ -z "$subgit" ] || [ -z "$subgit_bkup" ]; then + err "subgit/subgit_bkup not both set" "fetch_submodule" "$@" + elif [ -z "$subhash" ]; then + err "subhash not set" "fetch_submodule" "$@" + fi + + if [ "$st" = "git" ]; then + x_ rm -Rf "$tmpgit/$1" + xbget "$st" "$subgit" "$subgit_bkup" "$tmpgit/$1" \ + "$subhash" "$mdir/${1##*/}/patches" + else + xbget "$st" "$subcurl" "$subcurl_bkup" "$tmpgit/$1" \ + "$subhash" "$mdir/${1##*/}/patches" + fi +} + +# TODO: in the following functions, argument numbers are used +# which is hard to understand. the code should be modified +# so that variable names are used instead, for easy reading + +xbget() +{ + if [ "$1" != "curl" ] && [ "$1" != "copy" ] && [ "$1" != "git" ]; then + err "Bad dlop (arg 1)" "xbget" "$@" + fi + + for url in "$2" "$3" + do + if [ -z "$url" ]; then + err "empty URL given in" "xbget" "$@" + elif ! try_fetch "$url" "$@"; then + continue + fi + + case "$1" in + git) + if [ ! -d "$4" ]; then + continue + fi + ;; + *) + if [ ! -f "$4" ]; then + continue + fi + ;; + esac + return 0 # successful download/copy + done + + err "failed to download file/repository" "xbget" "$@"; : +} + +try_fetch() +{ + if [ "$2" = "git" ]; then + if ! try_fetch_git "$@"; then + return 1 + fi + else + if ! try_fetch_file "$@"; then + return 1 + fi + fi +} + +try_fetch_git() +{ + # 1st argument $1 is the current git remote being tried, + # let's say it was https://foo.example.com/repo, then cached + # directories becomes cache/mirror/foo.example.com/repo + + if [ "$XBMK_CACHE_MIRROR" = "y" ]; then + cached="mirror" + else + cached="clone" + fi + cached="$cached/${1#*://}" + cached="$XBMK_CACHE/$cached" + + x_ xbmkdir "${5%/*}" "${cached%/*}" + + if ! try_$2 "$cached" "$@"; then + return 1 + elif [ ! -d "$cached" ]; then + return 1 + fi + + if [ ! -d "$5" ]; then + tmpclone "$cached" "$5" "$6" "$7" || \ + err "Can't clone final repo" "try_fetch" "$@"; : + fi + + if [ ! -d "$5" ]; then + return 1 + fi +} + +try_fetch_file() +{ + cached="file/$6" + cached="$XBMK_CACHE/$cached" + + x_ xbmkdir "${5%/*}" "${cached%/*}" + + if bad_checksum "$6" "$cached" 2>/dev/null; then + x_ rm -f "$cached" + fi + + if [ ! -f "$cached" ]; then + if ! try_$2 "$cached" "$@"; then + return 1 + fi + fi + + if [ -f "$5" ]; then + if bad_checksum "$6" "$5" 2>/dev/null; then + x_ cp "$cached" "$5" + fi + fi + + if [ ! -f "$cached" ]; then + return 1 + elif bad_checksum "$6" "$cached"; then + x_ rm -f "$cached" + + return 1 + fi + + if [ "$cached" != "$5" ]; then + x_ cp "$cached" "$5" + fi + + if bad_checksum "$6" "$5"; then + x_ rm -f "$5" + + return 1 + elif [ ! -f "$5" ]; then + return 1 + fi +} + +try_curl() +{ + _ua="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0" + + ( x_ curl --location --retry 3 -A "$_ua" "$2" -o "$1" ) \ + || ( x_ wget --tries 3 -U "$_ua" "$2" -O "$1" ) \ + || return 1; : +} + +try_copy() +{ + ( x_ cp "$2" "$1" ) || return 1; : +} + +try_git() +{ + gitdest="`findpath "$1" || err "Can't get findpath for '$1'"`" || \ + err "failed findpath for '$1'" try_get "$@" + + x_ rm -Rf "$tmpgitcache" + + if [ ! -d "$gitdest" ]; then + if [ "$XBMK_CACHE_MIRROR" = "y" ]; then + ( x_ git clone --mirror "$2" "$tmpgitcache" ) || \ + return 1 + else + ( x_ git clone "$2" "$tmpgitcache" ) || return 1 + fi + + x_ xbmkdir "${gitdest%/*}" + x_ mv "$tmpgitcache" "$gitdest" + fi + + if git -C "$gitdest" show "$7" 1>/dev/null 2>/dev/null && \ + [ "$forcepull" != "y" ]; then + # don't try to pull the latest changes if the given target + # revision already exists locally. this saves a lot of time + # during release builds, and reduces the chance that we will + # interact with grub.git or gnulib.git overall during runtime + + return 0 + fi + + if [ "$XBMK_CACHE_MIRROR" = "y" ]; then + ( x_ git -C "$gitdest" fetch ) || :; : + ( x_ git -C "$gitdest" update-server-info ) || :; : + else + ( x_ git -C "$gitdest" pull --all ) || :; : + fi +} + +bad_checksum() +{ + if e "$2" f missing; then + return 0 + fi + + build_sbase + csum="$(x_ "$sha512sum" "$2" | awk '{print $1}')" || \ + err "!sha512 '$2' $1" bad_checksum "$@" + + if [ "$csum" = "$1" ]; then + return 1 + else + x_ rm -f "$2" + printf "BAD SHA512 %s, '%s'; need %s\n" "$csum" "$2" "$1" 1>&2 + fi +} + +tmpclone() +{ + ( x_ git clone "$1" "$2" ) || return 1 + ( x_ git -C "$2" reset --hard "$3" ) || return 1 + + if [ ! -d "$4" ]; then + return 0 + fi + + tmpclone_patchlist="`mktemp || err "Can't create tmp patch list"`" || \ + err "Can't create tmp patch list" "tmpclone" "$@" + + x_ find "$4" -type f | sort > "$tmpclone_patchlist" || \ + err "Can't write patch names to '$tmpclone_patchlist'" \ + "tmpclone" "$@" + + while read -r tmpclone_patch; do + + ( x_ git -C "$2" am --keep-cr "$tmpclone_patch" ) || \ + err "Can't apply '$tmpclone_patch'" "tmpclone" "$@"; : + + done < "$tmpclone_patchlist" || \ + err "Can't read '$tmpclone_patchlist'" "tmpclone" "$@" + + x_ rm -f "$tmpclone_patchlist" +} |