Subject: bug#50204: "Success" seen in failed copy message

From: Eli Zaretskii <[email-masked]>
Date: Thu, 26 Aug 2021 20:03:09 +0300

> From: 積丹尼 Dan Jacobson <[email-masked]>
> Cc: [email-masked]
> Date: Fri, 27 Aug 2021 00:53:04 +0800
> 
> >> OK, but why the word "Success"?!
> 
> EZ> Because that's not really a "failure": the file was already there.
> 
> OK, but, the shell says 1, not 0:

So does Emacs: that's why you get the error message.  The "Success"
part comes from the value of errno.