RClone "SYNC" Download all files again and replace exist

here is the result

Titos-Mac-mini:tmp massaguana$ touch -t 201212211111 /tmp/test
Titos-Mac-mini:tmp massaguana$ stat -x /tmp/test
  File: "/tmp/test"
  Size: 0            FileType: Regular File
  Mode: (0644/-rw-r--r--)         Uid: (  501/massaguana)  Gid: (    0/   wheel)
Device: 1,4   Inode: 17427854    Links: 1
Access: Fri Dec 21 11:11:00 2012
Modify: Fri Dec 21 11:11:00 2012
Change: Sat Feb 15 08:57:54 2020

OK so touch -t can set the modification times...

What I'd do now is use dtruss on the touch -t and the rclone touch commands and see if I could see the differences when calling the utime syscall.