refactor: promote new architecture to repository root

Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.

1 files changed, 31 insertions, 0 deletions

diff --git a/lume-legacy/src/user/touch.cc b/lume-legacy/src/user/touch.cc
new file mode 100644
index 0000000..2f9f9f6
--- /dev/null
+++ b/lume-legacy/src/user/touch.cc
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 Richard QIn
+ */
+#include "ulib/stdio.h"
+#include "ulib/stdlib.h"
+#include "user/user.h"
+#include "common/fcntl.h"
+
+int main(int argc, char *argv[])
+{
+    int i, fd;
+
+    if (argc < 2)
+    {
+        printf("Usage: touch files...\n");
+        exit(1);
+    }
+
+    for (i = 1; i < argc; i++)
+    {
+        fd = open(argv[i], O_CREATE | O_RDWR);
+        if (fd < 0)
+        {
+            printf("touch: cannot touch %s\n", argv[i]);
+            exit(1);
+        }
+        close(fd);
+    }
+    exit(0);
+}
\ No newline at end of file