GNU bug report logs - #74400
31.0.50; tramp-loaddefs.elc suddenly owned by root

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#74400: closed (31.0.50; tramp-loaddefs.elc suddenly owned by
 root)
Date: Tue, 19 Nov 2024 09:10:02 +0000

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Your message dated Tue, 19 Nov 2024 10:09:20 +0100
with message-id <877c8z8u9r.fsf <at> gmx.de>
and subject line Re: bug#74400: 31.0.50; tramp-loaddefs.elc suddenly owned by root
has caused the debbugs.gnu.org bug report #74400,
regarding 31.0.50; tramp-loaddefs.elc suddenly owned by root
to be marked as done.

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help-debbugs <at> gnu.org.)


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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; tramp-loaddefs.elc suddenly owned by root
Date: Sun, 17 Nov 2024 17:17:37 +0100

Hello to everybody,

one of my last make + make-install calls in the last couple of days
again made a file in my home directory being owned by root:

|  /home/micha/software/emacs/lisp/net:
|  drwxr-xr-x  2 micha micha 4,0K Nov 16 17:03 .
|  drwxr-xr-x 28 micha micha  20K Nov 16 17:03 ..
|  [...]
|  -rw-rw-r--  1 micha micha 108K Nov 15 17:01 tramp-loaddefs.el
|  -rw-r--r--  1 root  root  120K Nov 15 17:01 tramp-loaddefs.elc

Does that ring a bell (Michael maybe)?  Can we maybe prevent this?


TIA,

Michael


In GNU Emacs 31.0.50 (build 24, x86_64-pc-linux-gnu, cairo version
 1.16.0) of 2024-11-16 built on drachen
Repository revision: 88c6b20cf609cb0b53d1a8ea9db0c35ba77fadb9
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101007
System Description: Debian GNU/Linux 12 (bookworm)

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: michael_heerdegen <at> web.de, 74400-done <at> debbugs.gnu.org
Subject: Re: bug#74400: 31.0.50; tramp-loaddefs.elc suddenly owned by root
Date: Tue, 19 Nov 2024 10:09:20 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

Hi Eli,

>> > No idea to be honest.  Let's not waste time and assume I made nonsense.
>> > I can reopen in case it comes back.
>>
>> Wait, I could reproduce the problem:
>>
>> --8<---------------cut here---------------start------------->8---
>> # rm lisp/net/tramp-loaddefs.elc
>> # sudo make install
>> # ll lisp/net/*loaddefs*
>> -rw-rw----+ 1 albinus albinus 110234 Nov 17 17:37 lisp/net/tramp-loaddefs.el
>> -rw-r--r--+ 1 root    root    122088 Nov 18 09:27 lisp/net/tramp-loaddefs.elc
>> --8<---------------cut here---------------end--------------->8---
>
> But note that here the time stamps of the two files are very diferent,
> which seems to indicate that tramp-loaddefs.el was somehow
> byte-compiled as part of "make install".  Whereas in the OP, we saw a
> different picture:
>
> |  /home/micha/software/emacs/lisp/net:
> |  drwxr-xr-x  2 micha micha 4,0K Nov 16 17:03 .
> |  drwxr-xr-x 28 micha micha  20K Nov 16 17:03 ..
> |  [...]
> |  -rw-rw-r--  1 micha micha 108K Nov 15 17:01 tramp-loaddefs.el
> |  -rw-r--r--  1 root  root  120K Nov 15 17:01 tramp-loaddefs.elc
>
> Look, ma: same time stamp.  Which seems to indicate they were both
> produced at the same time, so probably by the same command.

My example doesn't claim to be the recipe which happened to Michael. But
it shows, that 'sudo make install' could create root-owned files in the
build dir, and that's what this bug report is about.

I don't know whether it is important enough to change something. But we
should know (and document), that it could happen.

Best regards, Michael.

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