kernel: turn the NULLFS into an always present special handle

preparing for HANDLE_PROCFS

1 files changed, 7 insertions, 0 deletions

diff --git a/src/user/app/shell/shell.c b/src/user/app/shell/shell.c
index 909d625..8aa640b 100644
--- a/src/user/app/shell/shell.c
+++ b/src/user/app/shell/shell.c
@@ -46,6 +46,13 @@ void run_args(int argc, char **argv, struct redir *redir) {
 			exit(1);
 		}
 		return;
+	} else if (!strcmp(argv[0], "shadow")) {
+		if (argc < 2) {
+			fprintf(stderr, "shadow: missing path\n");
+		} else {
+			_syscall_mount(HANDLE_NULLFS, argv[1], strlen(argv[1]));
+		}
+		return;
 	} else if (!strcmp(argv[0], "cd")) {
 		if (chdir(argc > 1 ? argv[1] : "/") < 0)
 			perror("cd");