1 files changed, 254 insertions, 0 deletions
diff --git a/include/init.sh b/include/init.sh
new file mode 100644
index 00000000..a88bd13f
--- /dev/null
+++ b/include/init.sh
@@ -0,0 +1,254 @@
+# 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) 2020-2025 Leah Rowe <leah@libreboot.org>
+# Copyright (c) 2025 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+
+export LC_COLLATE=C
+export LC_ALL=C
+
+projectname="libreboot"
+projectsite="https://libreboot.org/"
+
+[ -z "${PATH+x}" ] && \
+    export PATH="/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"
+xbmkpath="$PATH"
+
+err="err_"
+
+setvars()
+{
+	_setvars=""
+	if [ $# -lt 2 ]; then
+		printf "\$err \"setvars: too few args\\n\""
+		return 0
+	fi
+	val="$1"
+	shift 1
+	for var in "$@"; do
+		_setvars="$var=\"$val\"; $_setvars"
+	done
+	printf "%s\n" "${_setvars% }"
+}
+
+err_()
+{
+	printf "ERROR %s: %s\n" "$0" "$1" 1>&2
+	exit 1
+}
+
+eval "`setvars "" _nogit board reinstall versiondate aur_notice configdir \
+    datadir version xbmkpwd relname xbmkpwd xbmktmp python pyver`"
+
+xbmk_init()
+{
+	xbmkpwd="`pwd`" || $err "Cannot generate PWD"
+	export PWD="$xbmkpwd"
+
+	if [ $# -gt 0 ] && [ "$1" = "dependencies" ]; then
+		install_packages "$@" || exit 1
+		exit 0
+	fi
+
+	id -u 1>/dev/null 2>/dev/null || $err "suid check failed (id -u)"
+	[ "$(id -u)" != "0" ] || $err "this command as root is not permitted"
+
+	for init_cmd in set_pyver set_env set_version git_init create_tmpdir \
+	    lock create_pathdirs child_exec; do
+		xbmk_$init_cmd "$@" || break
+	done
+}
+
+install_packages()
+{
+	[ $# -lt 2 ] && $err "fewer than two arguments"
+	[ $# -gt 2 ] && reinstall="$3"
+
+	eval "`setcfg "config/dependencies/$2"`"
+
+	chkvars pkg_add pkglist
+	$pkg_add $pkglist || $err "Cannot install packages"
+
+	[ -n "$aur_notice" ] && \
+	    printf "You need AUR packages: %s\n" "$aur_notice" 1>&2; :
+}
+
+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"
+}
+
+chkvars()
+{
+	for var in "$@"; do
+		eval "[ -n \"\${$var+x}\" ] || \$err \"$var unset\""
+		eval "[ -n \"\$$var\" ] || \$err \"$var unset\""
+	done; :
+}
+
+xbmk_set_pyver()
+{
+	pyv="import sys; print(sys.version_info[:])"
+	python="python3"
+	pybin python3 1>/dev/null || python="python"
+	pyver="2" && [ "$python" = "python3" ] && pyver="3"
+	pybin "$python" 1>/dev/null || pyver=""
+	[ -z "$pyver" ] || "`pybin "$python"`" -c "$pyv" 1>/dev/null \
+	    2>/dev/null || $err "Cannot detect host Python version."
+	if [ -n "$pyver" ]; then
+		pyver="$("$(pybin "$python")" -c "$pyv" | awk '{print $1}')"
+		pyver="${pyver#(}"
+		pyver="${pyver%,}"
+	fi
+	[ "${pyver%%.*}" = "3" ] || $err "Bad python version (must by 3.x)"; :
+}
+
+# Use direct path, to prevent a hang if Python is using a virtual environment,
+# not command -v, to prevent a hang when checking python's version
+# See: https://docs.python.org/3/library/venv.html#how-venvs-work
+pybin()
+{
+	py="import sys; quit(1) if sys.prefix == sys.base_prefix else quit(0)"
+
+	venv=1
+	command -v "$1" 1>/dev/null 2>/dev/null || venv=0
+	[ $venv -lt 1 ] || "$1" -c "$py" 1>/dev/null 2>/dev/null || venv=0
+
+	# ideally, don't rely on PATH or hardcoded paths if python venv.
+	# use the *real*, direct executable linked to by the venv symlink
+	if [ $venv -gt 0 ] && [ -L "`command -v "$1" 2>/dev/null`" ]; then
+		# realpath isn't posix, but available mostly universally
+		pypath="$(realpath \
+		    "$(command -v "$1" 2>/dev/null)" 2>/dev/null || :)"
+		[ -e "$pypath" ] && [ ! -d "$pypath" ] && \
+		    [ -x "$pypath" ] && printf "%s\n" "$pypath" && return 0; :
+	fi
+
+	# if python venv: fall back to common PATH directories for checking
+	[ $venv -gt 0 ] && for pypath in "/usr/local/bin" "/usr/bin"; do
+		[ -e "$pypath/$1" ] && [ ! -d "$pypath/$1" ] && \
+		    [ -x "$pypath/$1" ] && printf "%s/%s\n" "$pypath" "$1" && \
+		    return 0
+	done
+	[ $venv -gt 0 ] && return 1
+
+	# Defer to normal command -v if not a venv
+	command -v "$1" 2>/dev/null || return 1
+}
+
+xbmk_set_env()
+{
+	# XBMK_CACHE is a directory, for caching downloads and git repon
+	[ -z "${XBMK_CACHE+x}" ] && export XBMK_CACHE="$xbmkpwd/cache"
+	[ -z "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
+	[ -L "$XBMK_CACHE" ] && [ "$XBMK_CACHE" = "$xbmkpwd/cache" ] && \
+	    $err "cachedir '$xbmkpwd/cache' is a symlink"
+	[ -L "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
+	[ -f "$XBMK_CACHE" ] && $err "cachedir '$XBMK_CACHE' is 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]*$" \
+	    1>/dev/null 2>/dev/null || export XBMK_THREADS=1; :
+}
+
+xbmk_set_version()
+{
+	for fv in version versiondate; do
+		eval "[ ! -f \".$fv\" ] || read -r $fv < \".$fv\" || :"
+	done
+
+	[ -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_"
+
+	chkvars version versiondate
+	printf "%s\n" "$version" > .version || $err "can't save version"
+	printf "%s\n" "$versiondate" > .versiondate || $err "can't save date"
+
+	relname="$projectname-$version"
+	export LOCALVERSION="-$projectname-${version%%-*}"
+}
+
+xbmk_git_init()
+{
+	[ -L ".git" ] && return 1
+	[ -e ".git" ] && return 0
+	eval "`setvars "$(date -Rud @$versiondate)" cdate _nogit`"
+
+	x_ git init 1>/dev/null 2>/dev/null
+	x_ git add -A . 1>/dev/null 2>/dev/null
+	x_ git commit -m "$projectname $version" --date "$cdate" \
+	    --author="xbmk <xbmk@example.com>" 1>/dev/null 2>/dev/null
+	x_ git tag -a "$version" -m "$projectname $version" 1>/dev/null \
+	    2>/dev/null
+
+	for gitarg in "--global user.name" "--global user.email"; do
+		gitcmd="git config $gitarg"; $gitcmd || $err \
+		    "Please run this first: $gitcmd \"your ${gitcmd##*.}\""
+	done
+}
+
+xbmk_create_tmpdir()
+{
+	# unify all temporary files/directories in a single TMPDIR
+	[ -z "${TMPDIR+x}" ] || [ "${TMPDIR%_*}" = "/tmp/xbmk" ] || \
+	    unset TMPDIR
+	[ -n "${TMPDIR+x}" ] && export TMPDIR="$TMPDIR" && xbmktmp="$TMPDIR"
+	[ -z "${TMPDIR+x}" ] || return 1 # child instance, so return
+
+	# parent instance of xbmk, so don't return. set up TMPDIR
+	export TMPDIR="/tmp"
+	export TMPDIR="$(mktemp -d -t xbmk_XXXXXXXX)"
+	xbmktmp="$TMPDIR"
+}
+
+xbmk_lock()
+{
+	[ -f "lock" ] && $err "$xbmkpwd/lock exists. Is a build running?"
+	touch lock || $err "cannot create 'lock' file"; :
+}
+
+xbmk_create_pathdirs()
+{
+	x_ rm -Rf "$XBMK_CACHE/xbmkpath" "$XBMK_CACHE/gnupath"
+	x_ mkdir -p "$XBMK_CACHE/gnupath" "$XBMK_CACHE/xbmkpath"
+	export PATH="$XBMK_CACHE/xbmkpath:$XBMK_CACHE/gnupath:$PATH"
+	(
+	# set up python v3.x in PATH, in case it's not set up correctly.
+	# see code above that detected the correct python3 command.
+	cd "$XBMK_CACHE/xbmkpath" || $err "can't cd $XBMK_CACHE/xbmkpath"
+	x_ ln -s "`pybin "$python"`" python
+	) || $err "Can't set up python symlink in $XBMK_CACHE/xbmkpath"; :
+}
+
+xbmk_child_exec()
+{
+	xbmk_rval=0
+	( x_ ./mk "$@" ) || xbmk_rval=1
+	rm -Rf "$xbmktmp" || xbmk_rval=1
+	rm -f lock || xbmk_rval=1
+	exit $xbmk_rval
+}
+
+x_()
+{
+	[ $# -lt 1 ] || "$@" || $err "Unhandled error for: $(echo "$@")"; :
+}
+
+xbmk_init "$@"