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Re: poor mv error message

From: Jim Meyering
Subject: Re: poor mv error message
Date: Fri, 03 Aug 2007 16:58:06 +0200

Eric Blake <address@hidden> wrote:
> We probably ought to make this error message smarter:
> $ mkdir a
> $ mv a/. b
> mv: cannot move `a/.' to a subdirectory of itself, `b'
> Huh?  ./b is not a subdirectory of ./a.  The problem is that rename(2)'s 
> has two distinct reasons for occuring, either subdirectory recursion (as was
> claimed in the above message), OR when either pathname matches the extended
> regex /(^|\/)\.\.?\/?$/ (as was what really happened).

Good idea.
Would you like to prepare the patch?

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