1 files changed, 223 insertions, 0 deletions
diff --git a/include/lib.sh b/include/lib.sh
new file mode 100644
index 00000000..c5df639c
--- /dev/null
+++ b/include/lib.sh
@@ -0,0 +1,223 @@
+# SPDX-License-Identifier: GPL-3.0-only
+# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
+# Copyright (c) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
+# Copyright (c) 2020-2024 Leah Rowe <leah@libreboot.org>
+
+export LC_COLLATE=C
+export LC_ALL=C
+
+_ua="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
+
+ifdtool="elf/ifdtool/default/ifdtool"
+cbfstool="elf/cbfstool/default/cbfstool"
+tmpgit="$PWD/tmp/gitclone"
+grubdata="config/data/grub"
+err="err_"
+
+err_()
+{
+	printf "ERROR %s: %s\n" "$0" "$1" 1>&2; exit 1
+}
+
+setvars()
+{
+	_setvars="" && [ $# -lt 2 ] && $err "setvars: too few arguments"
+	val="$1" && shift 1 && for var in $@; do
+		_setvars="$var=\"$val\"; $_setvars"
+	done; printf "%s\n" "${_setvars% }"
+}
+chkvars()
+{
+	for var in $@; do
+		eval "[ -n "\${$var+x}" ] || \$err \"$var unset\""
+		eval "[ -n "\$$var" ] || \$err \"$var unset\""
+	done; return 0
+}
+
+eval `setvars "" _nogit board xbmk_parent versiondate projectsite projectname \
+    aur_notice configdir datadir version relname`
+
+for fv in projectname projectsite version versiondate; do
+	eval "[ ! -f "$fv" ] || read -r $fv < \"$fv\" || :"
+done; chkvars projectname projectsite
+
+setcfg()
+{
+	[ $# -gt 1 ] && printf "e \"%s\" f missing && return %s;\n" "$1" "$2"
+	[ $# -gt 1 ] || \
+		printf "e \"%s\" f not && %s \"Missing config\";\n" "$1" "$err"
+	printf ". \"%s\" || %s \"Could not read config\";\n" "$1" "$err"
+}
+
+e()
+{
+	es_t="e" && [ $# -gt 1 ] && es_t="$2"
+	es2="already exists"
+	estr="[ -$es_t \"\$1\" ] || return 1"
+	[ $# -gt 2 ] && estr="[ -$es_t \"\$1\" ] && return 1" && es2="missing"
+
+	eval "$estr"; printf "%s %s\n" "$1" "$es2" 1>&2
+}
+
+install_packages()
+{
+	[ $# -lt 2 ] && $err "fewer than two arguments"
+	eval `setcfg "config/dependencies/$2"`
+
+	$pkg_add $pkglist || $err "Cannot install packages"
+
+	[ -n "$aur_notice" ] && \
+	printf "You need AUR packages: %s\n" "$aur_notice" 1>&2; return 0
+}
+[ $# -gt 0 ] && [ "$1" = "dependencies" ] && install_packages $@ && exit 0
+
+id -u 1>/dev/null 2>/dev/null || $err "suid check failed (id -u)"
+[ "$(id -u)" != "0" ] || $err "this command as root is not permitted"
+
+[ -z "${TMPDIR+x}" ] || [ "${TMPDIR%_*}" = "/tmp/xbmk" ] || unset TMPDIR
+[ -n "${TMPDIR+x}" ] && export TMPDIR="$TMPDIR"
+
+if [ -z "${TMPDIR+x}" ]; then
+	[ -f "lock" ] && $err "$PWD/lock exists. Is a build running?"
+	export TMPDIR="/tmp"
+	export TMPDIR="$(mktemp -d -t xbmk_XXXXXXXX)"
+	touch lock || $err "cannot create 'lock' file"
+	xbmk_parent="y"
+fi
+
+# XBMK_CACHE is a directory, for caching downloads and git repositories
+[ -z "${XBMK_CACHE+x}" ] && export XBMK_CACHE="$PWD/cache"
+[ -z "$XBMK_CACHE" ] && export XBMK_CACHE="$PWD/cache"
+[ -L "$XBMK_CACHE" ] && [ "$XBMK_CACHE" = "$PWD/cache" ] && \
+    $err "cachedir is default, $PWD/cache, but it exists and is a symlink"
+[ -L "$XBMK_CACHE" ] && export XBMK_CACHE="$PWD/cache"
+[ -f "$XBMK_CACHE" ] && $err "cachedir '$XBMK_CACHE' exists but it's a file"
+
+# if "y": a coreboot target won't be built if target.cfg says release="n"
+# (this is used to exclude certain build targets from releases)
+[ -z "${XBMK_RELEASE+x}" ] && export XBMK_RELEASE="n"
+[ "$XBMK_RELEASE" = "y" ] || export XBMK_RELEASE="n"
+
+[ -z "${XBMK_THREADS+x}" ] && export XBMK_THREADS=1
+expr "X$XBMK_THREADS" : "X-\{0,1\}[0123456789][0123456789]*$" \
+    1>/dev/null 2>/dev/null || export XBMK_THREADS=1 # user gave a non-integer
+
+x_() {
+	[ $# -lt 1 ] || $@ || \
+	    $err "Unhandled non-zero exit: $(echo "$@")"; return 0
+}
+
+[ -e ".git" ] || [ -f "version" ] || printf "unknown\n" > version || \
+    $err "Cannot generate unknown version file"
+[ -e ".git" ] || [ -f "versiondate" ] || printf "1716415872\n" > versiondate \
+    || $err "Cannot generate unknown versiondate file"
+
+version_="$version"
+[ ! -e ".git" ] || version="$(git describe --tags HEAD 2>&1)" || \
+    version="git-$(git rev-parse HEAD 2>&1)" || version="$version_"
+versiondate_="$versiondate"
+[ ! -e ".git" ] || versiondate="$(git show --no-patch --no-notes \
+    --pretty='%ct' HEAD)" || versiondate="$versiondate_"
+for p in projectname version versiondate projectsite; do
+	chkvars "$p"; eval "x_ printf \"%s\\n\" \"\$$p\" > $p"
+done
+relname="$projectname-$version"
+export LOCALVERSION="-$projectname-${version%%-*}"
+
+check_defconfig()
+{
+	[ -d "$1" ] || $err "Target '$1' not defined."
+	for x in "$1"/config/*; do
+		[ -f "$x" ] && printf "%s\n" "$x" && return 1
+	done; return 0
+}
+
+remkdir()
+{
+	rm -Rf "$1" || $err "remkdir: !rm -Rf \"$1\""
+	mkdir -p "$1" || $err "remkdir: !mkdir -p \"$1\""
+}
+
+mkrom_tarball()
+{
+	printf "%s\n" "$version" > "$1/version" || $err "$1 !version"
+	printf "%s\n" "$versiondate" > "$1/versiondate" || $err "$1 !vdate"
+	printf "%s\n" "$projectname" > "$1/projectname" || $err "$1 !pname"
+
+	mktarball "$1" "${1%/*}/${relname}_${1##*/}.tar.xz"; x_ rm -Rf "$1"; :
+}
+
+mktarball()
+{
+	[ "${2%/*}" = "$2" ] || \
+		mkdir -p "${2%/*}" || $err "mk, !mkdir -p \"${2%/*}\""
+	printf "\nCreating archive: %s\n\n" "$2"
+	tar -c "$1" | xz -T$XBMK_THREADS -9e > "$2" || $err "mktarball 2, $1"
+	mksha512sum "$2" "${2##*/}.sha512"
+}
+
+mksha512sum()
+{
+	(
+	[ "${1%/*}" != "$1" ] && x_ cd "${1%/*}"
+	sha512sum ./"${1##*/}" >> "$2" || $err "!sha512sum \"$1\" > \"$2\""
+	) || $err "failed to create tarball checksum"
+}
+
+rmgit()
+{
+	(
+	cd "$1" || $err "!cd gitrepo $1"
+	find . -name ".git" -exec rm -Rf {} + || $err "!rm .git $1"
+	find . -name ".gitmodules" -exec rm -Rf {} + || $err "!rm .gitmod $1"
+	) || $err "Cannot remove .git/.gitmodules in $1"
+}
+
+# return 0 if project is single-tree, otherwise 1
+# e.g. coreboot is multi-tree, so 1
+singletree()
+{
+	for targetfile in "config/${1}/"*/target.cfg; do
+		[ -e "$targetfile" ] && [ -f "$targetfile" ] && return 1; :
+	done; return 0
+}
+
+download()
+{
+	cached="$XBMK_CACHE/file/$4"
+	dl_fail="n" # 1 url, 2 url backup, 3 destination, 4 checksum
+	vendor_checksum "$4" "$cached" 2>/dev/null && dl_fail="y"
+	[ "$dl_fail" = "n" ] && e "$3" f && return 0
+	mkdir -p "${3%/*}" "$XBMK_CACHE/file" || \
+	    $err "!mkdir '$3' '$XBMK_CACHE/file'"
+	for url in "$1" "$2"; do
+		[ "$dl_fail" = "n" ] && break
+		[ -z "$url" ] && continue
+		rm -f "$cached" || $err "!rm -f '$cached'"
+		curl --location --retry 3 -A "$_ua" "$url" -o "$cached" || \
+		    wget --tries 3 -U "$_ua" "$url" -O "$cached" || continue
+		vendor_checksum "$4" "$cached" || dl_fail="n"
+	done; [ "$dl_fail" = "y" ] && $err "$1 $2 $3 $4: not downloaded"
+	[ "$cached" = "$3" ] || cp "$cached" "$3" || $err "!d cp $cached $3"; :
+}
+
+vendor_checksum()
+{
+	[ "$(sha512sum "$2" | awk '{print $1}')" != "$1" ] || return 1
+	printf "Bad checksum for file: %s\n" "$2" 1>&2; rm -f "$2" || :; :
+}
+
+cbfs()
+{
+	ccmd="add-payload" && [ $# -gt 3 ] && ccmd="add"
+	lzma="-c lzma" && [ $# -gt 3 ] && lzma="-t raw"
+	x_ "$cbfstool" "$1" $ccmd -f "$2" -n "$3" $lzma
+}
+
+mk()
+{
+	mk_flag="$1" || $err "No argument given"
+	shift 1 && for mk_arg in $@; do
+		./mk $mk_flag $mk_arg || $err "./mk $mk_flag $mk_arg"; :
+	done; :
+}