Since a recent "guix pull", Emacs (I tested with the emacs-pgtk package)
can't start up anymore:
$ emacs
List contains a loop: ("/home/user/.guix-profile/lib/emacs/native-site-lisp"
"/gnu/store/k62mmzkbmivw2r3wwlpcxs3lp9vwjyac-emacs-lsp-mode-9.0.0/lib/emacs/native-site-lisp"
"/home/user/.guix-profile/lib/emacs/native-site-lisp"
"/home/user/.guix-profile/lib/emacs/native-site-lisp"
"/gnu/store/k62mmzkbmivw2r3wwlpcxs3lp9vwjyac-emacs-lsp-mode-9.0.0/lib/emacs/native-site-lisp"
. #2)
$ echo $?
255
The root cause of the problem is that I have duplicate path entries in
these environment variables:
$ env | grep EMACS
EMACSNATIVELOADPATH=/home/sademeo/.guix-profile/lib/emacs/native-site-lisp:/home/sademeo/.guix-profile/lib/emacs/native-site-lisp
EMACSLOADPATH=/home/sademeo/.guix-profile/share/emacs/site-lisp:/home/sademeo/.guix-profile/share/emacs/site-lisp
If I remove the duplicate entries, Emacs starts correctly again.
I suppose this is a common problem (it's surprisingly hard to ensure a
given shell initialization snippet will run only once), and also it's
hardly a fatal or unrecoverable error. IMHO it should warrant at most a
warning message (if that), not a complete abort of the program.
With that in mind, I bisected Guix and arrived at this commit:
e9b13294700de7082ee23aa6e1c17b4a8c8828ec is the first bad commit
commit e9b13294700de7082ee23aa6e1c17b4a8c8828ec
profiles: emacs-subdirs: Also expand native-comp-eln-load-path.
To reproduce the problem, it's enough to install emacs-pgtk and
emacs-ccls in your profile. It might be necessary to remove them and
then install them again, not sure why.
Guix version:
$ guix describe
Generation 17 jan 20 2025 18:48:17 (current)
guix e9b1329
repository URL: https://git.savannah.gnu.org/git/guix.git
commit: e9b13294700de7082ee23aa6e1c17b4a8c8828ec
It's probably irrelevant, but just for completeness: Guix is installed
on top of Ubuntu 24.10.
--
Thiago
