alioth: Import Lineage's common extract_utils

Change-Id: Ibd03799669c925999b2baaef6f4411a168ec6063

extract-files.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# If we're being sourced by the common script that we called,
+# stop right here. No need to go down the rabbit hole.
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
+    return
+fi
+
+set -e
+
+export DEVICE=alioth
+export DEVICE_COMMON=sm8250-common
+export VENDOR=xiaomi
+
+"./../../${VENDOR}/${DEVICE_COMMON}/extract-files.sh" "$@"

setup-makefiles.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -e
+
+export DEVICE=alioth
+export DEVICE_COMMON=sm8250-common
+export VENDOR=xiaomi
+
+"./../../${VENDOR}/${DEVICE_COMMON}/setup-makefiles.sh" "$@"