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bug#38309: Recent $EMACSLOADPATH changes crash gnome-session
From: |
Leo Prikler |
Subject: |
bug#38309: Recent $EMACSLOADPATH changes crash gnome-session |
Date: |
Wed, 27 Nov 2019 01:01:31 +0100 |
User-agent: |
Evolution 3.30.5 |
Hi everyone,
Am Dienstag, den 26.11.2019, 09:56 +0100 schrieb Ludovic Courtès:
> are we not going overboard with that big a environment variable? :-)
I think I vaguely remember a related discussion about the Emacs build
system adding the guix.d directory, which further worsens this problem
[1]. Putting that aside however, $EMACSLOADPATH should not contain
more than
- $GUIX_PROFILE/share/emacs/$EMACS_VERSION/lisp
- $GUIX_PROFILE/share/emacs/$EMACS_VERSION/site-lisp
- $GUIX_PROFILE/share/emacs/site-lisp
If I read (elisp)Library Search correctly, these directories each
contain a file to add their subdirectories to the load-path variable.
This can be confirmed by searching in the store or through message-
debugging. It appears, however, that these files are not quite
sufficient. While the load-path is indeed modified, no autoloading
occurs for files inside guix.d -- indeed, I doubt it would occur for
any package, regardless of how we name it.
After further digging around, this appears to be a bug in guix-emacs.
Rather than using the load-path variable, it uses $EMACSLOADPATH
directly via getenv. I suggest either recursing into subdirectories as
Emacs itself would or using load-path instead of reverse engineering
it, preferring the latter if applicable.
Now that this has been cleared up, a fix should be in reach. First we
would fix guix-emacs, then we can restrict $EMACSLOADPATH to the above
three -- perhaps two, as the versioned site-lisp appears unused.
WDYT?
Regards,
Leo
[1] As I only vaguely remember it, I can not find a source for this.
However, the process that I've laid out should work fine with or
without guix.d
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, (continued)
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Clément Lassieur, 2019/11/26
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Ludovic Courtès, 2019/11/26
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Maxim Cournoyer, 2019/11/27
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Clément Lassieur, 2019/11/27
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Clément Lassieur, 2019/11/27
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Clément Lassieur, 2019/11/26
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Maxim Cournoyer, 2019/11/25
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Ludovic Courtès, 2019/11/26
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Maxim Cournoyer, 2019/11/26
- bug#38309: Recent $EMACSLOADPATH changes crash gnome-session, Clément Lassieur, 2019/11/27
bug#38309: Recent $EMACSLOADPATH changes crash gnome-session,
Leo Prikler <=