sysupdate: add new component "sysupdate"

src/sysupdate/sysupdate.h

@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+extern bool arg_sync;
+extern uint64_t arg_instances_max;
+extern char *arg_root;
+
+static inline const char* import_binary_path(void) {
+        return secure_getenv("SYSTEMD_IMPORT_PATH") ?: SYSTEMD_IMPORT_PATH;
+}
+
+static inline const char* import_fs_binary_path(void) {
+        return secure_getenv("SYSTEMD_IMPORT_FS_PATH") ?: SYSTEMD_IMPORT_FS_PATH;
+}
+
+static inline const char *pull_binary_path(void) {
+        return secure_getenv("SYSTEMD_PULL_PATH") ?: SYSTEMD_PULL_PATH;
+}