GNU bug report logs - #62608
cp --recursive --backup broken in 9.2

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Package: coreutils;

Reported by: Kristian Klausen <kristian <at> klausen.dk>

Date: Sun, 2 Apr 2023 04:48:04 UTC

Severity: normal

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Report forwarded to bug-coreutils <at> gnu.org:
bug#62608; Package coreutils. (Sun, 02 Apr 2023 04:48:04 GMT) Full text and rfc822 format available.
Acknowledgement sent to Kristian Klausen <kristian <at> klausen.dk>:
New bug report received and forwarded. Copy sent to bug-coreutils <at> gnu.org. (Sun, 02 Apr 2023 04:48:04 GMT) Full text and rfc822 format available.

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From: Kristian Klausen <kristian <at> klausen.dk>
To: bug-coreutils <at> gnu.org
Subject: cp --recursive --backup broken in 9.2
Date: Sun, 2 Apr 2023 01:01:05 +0200

[Message part 1 (text/plain, inline)]
Hi

After upgrading to coreutils 9.2-2 on Arch Linux the following:
mkdir -p src dst
touch {src,dst}/bar
cp --recursive --backup src/* dst
fails with:
cp: cannot create regular file 'dst/foo/bar': File exists

Running strace on cp I noticed:
renameat2(4, "foo/bar", 4, "foo/bar~", 0) = -1 ENOENT (No such file or 
directory)

In coreutils 9.1-3 the syscall succeeds:
renameat2(4, "bar", 4, "bar~", 0)       = 0

I assume renameat2 is called with the wrong oldpath and newpath in 9.2 
and that it should just be the basename and not the full relative path.

Cheers
Kristian Klausen


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