GNU bug report logs - #30533
26.0.60; (copy-file) over TRAMP FTP mistakes file for directory

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Package: emacs;

Reported by: Christian Johansson <christian <at> mediastrategi.se>

Date: Mon, 19 Feb 2018 17:29:01 UTC

Severity: normal

Found in version 26.0.60

Done: Michael Albinus <michael.albinus <at> gmx.de>

Bug is archived. No further changes may be made.

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From: Christian Johansson <christian <at> cvj.se>
To: 30533 <at> debbugs.gnu.org
Subject: bug#30533: 26.0.60; (copy-file) over TRAMP FTP mistakes file for directory
Date: Wed, 21 Feb 2018 07:13:21 +0100

Here are two cases that display different tramp errors related to 
copy-file, but only if you don't open the remote path using dired-mode 
first.

;; Case 1
(let ((remote-path "/ftp:anonymous <at> speedtest.tele2.net:/1KB.zip")
      (local-path "~/Downloads/1KB.zip"))
  (if (file-directory-p remote-path)
      (progn
        (message "File %s is a directory" remote-path)
        (copy-directory remote-path local-path t t t))
    (progn
      (message "File %s is not a directory" remote-path)
      (copy-file remote-path local-path t t t t))))

;; Case 2
(let ((remote-path "/ftp:anonymous <at> speedtest.tele2.net:/1KB.zip")
      (local-path "~/Downloads/1KB.zip"))
  (if (file-regular-p remote-path)
      (progn
        (message "File %s is a regular file" remote-path)
        (copy-file remote-path local-path t t t t))
    (progn
      (message "File %s is not a regular file" remote-path)
      (copy-directory remote-path local-path t t t))))


If I first open the path in dired mode 
(/ftp:anonymous <at> speedtest.tele2.net) then the operations work as 
expected. It seems that tramp stores information about remote 
file-system when accessing it in dired-mode.

Even after restarting the problem seems to be gone when the remote path 
has been opened once in dired-mode. Is there some cache to this?


On 2018-02-20 16:49, Christian Johansson wrote:
> (let ((remote-path "/ftp:anonymous <at> speedtest.tele2.net:/1KB.zip")
>       (local-path "~/Downloads/1KB.zip"))
>   (if (file-regular-p remote-path)
>       (progn
>     (message "File %s is a regular file" remote-path)
>     (copy-file remote-path local-path t t t t))
>     (progn
>       (message "File %s is a directory" remote-path)
>       (copy-directory remote-path local-path t t t))))
This bug report was last modified 7 years and 92 days ago.

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