builder/build/bootstrap.py

@@ -112,12 +112,12 @@ def build_rootfs(ctx: ArchBuilderContext):
 			# real install all packages
 			pacman_build.proc_pacman(ctx, pacman)
 
-			# reload user databases after install packages
-			ctx.reload_passwd()
-
 			# running add files hooks (for user settings)
 			filesystem.add_files_all(ctx, "pre-user")
 
+			# reload user databases after install packages
+			ctx.reload_passwd()
+
 			# create custom users and groups
 			user.proc_usergroup(ctx)
 

builder/component/user.py

@@ -71,5 +71,8 @@ def parse_user_from(
 	gid = parse_usergroup_from(ctx, node, True, gid)
 	if gid == -1:
 		user = ctx.passwd.lookup_uid(uid)
-		gid = user.gid if user else uid
+		if user is None: raise ArchBuilderConfigError(
+			f"user {user} not found"
+		)
+		gid = user.gid
 	return uid, gid