Eric Blake 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'
Perhaps interestingly, with coreutils 5.97 (still the latest in Debian),
I get a different message:
$ mkdir a
$ mv a/. b
mv: cannot move `a/.' to `b': Device or resource busy
(For the record, 'b' does not exist, and this same behaviour has
occurred in multiple locations on different devices.)
An strace reveals nothing I can interpret beyond the fact that, as is
perhaps obvious, rename(2) is returning EBUSY.
For all I know, there may be known reasons why this would not be all
that surprising, but it's different enough that I felt it worth
commenting on.
--
The Wanderer
Warning: Simply because I argue an issue does not mean I agree with any
side of it.
Secrecy is the beginning of tyranny.
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