GNU bug report logs - #29440
Tramp put drive_c in the backup file name when backuping in local PC/windows

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Shuguang Sun <shuguang <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Tramp put drive_c in the backup file name when backuping in local
 PC/windows
Date: Sun, 26 Nov 2017 00:08:42 +0800

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

Hi,

Windows 7
GNU Emacs 27.0.50 (build 1, x86_64-w64-mingw32) of 2017-11-24

I didn't set tramp-backup-directory-alist which means the fiile will be
backuped locally instead of being backup in server side.

backup-directory-alist:
     ("\\.[rR]\\(md\\)?$" . "~/.emacs.d/autosave/Rfiles")

When I open a file in tramp and edit it, the backup file will be and was
backuped in the local direcory: ~/.emacs.d/autosave/Rfiles
(c:/Users/username/HOME/.emacs.d/autosave/Rfiles). However the backfile is
named
"c:/Users/username/HOME/.emacs.d/autosave/Rfiles/!drive_c!plink!!username <at> host!!!opt!bee!home!username!test!coxph_bench.r.~2~",
where "dirve_c" was put in.

I attached the log file, and it may be anchored by find "c:/plink" and
"drive_c".

[Message part 2 (text/html, inline)]

[tramp_local_backup_traceing.txt (text/plain, attachment)]

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