bug#51348: Exception on `guix install nss-certs`

bug#51348: Exception on `guix install nss-certs`

[Raimundo Martins via Bug reports for GNU Guix]

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Hi! I'm having an exception when trying to install nss-certs. I have glibc-utf8-locales installed, and even tried installing glibc-locales even though my LANG=en_US.UTF-8.
I'm running Guix the package manager on top of Void Linux.
I want to install nss-certs because curl, youtube-dl, and probably others all complain about failure to verify certificates. I'm mentioning this because it might be another bug altogether.

$ guix install nss-certs
The following package will be installed:
nss-certs 3.59

substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
0.1 MB will be downloaded
nss-certs-3.59 130KiB 1.0MiB/s 00:00 [######## ] 49.1%
Backtrace:
In guix/ui.scm:
2185:7 19 (run-guix . _)
2148:10 18 (run-guix-command _ . _)
In ice-9/boot-9.scm:
1752:10 17 (with-exception-handler _ _ #:unwind? _ # _)
1752:10 16 (with-exception-handler _ _ #:unwind? _ # _)
In guix/scripts/substitute.scm:
771:15 15 (_)
543:9 14 (process-substitution #<output: file 4> _ "/gnu/store/?" ?)
In guix/serialization.scm:
424:4 13 (fold-archive _ _ _ _)
468:33 12 (read "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss?" ?)
468:33 11 (read "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss?" ?)
468:33 10 (read "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss?" ?)
468:33 9 (read "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss?" ?)
451:26 8 (read "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss?" ?)
520:21 7 (_ "/gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss-ce?" ?)
In ice-9/boot-9.scm:
1747:15 6 (with-exception-handler #<procedure 7fbf3f8550f0 at ic?> ?)
In unknown file:
5 (symlink "NetLock_Arany_=Class_Gold=_F?tan?s?tv?ny:2.6?" ?)
In ice-9/boot-9.scm:
1685:16 4 (raise-exception _ #:continuable? _)
1685:16 3 (raise-exception _ #:continuable? _)
1780:13 2 (_ #<&compound-exception components: (#<&error> #<&orig?>)
1685:16 1 (raise-exception _ #:continuable? _)
1685:16 0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Throw to key `encoding-error' with args `("scm_to_stringn" "cannot convert wide string to output locale" 84 #f #f)'.
substitution of /gnu/store/2f032p23rgga56kkn91q7hl0vzqyr7k5-nss-certs-3.59 failed
guix install: error: some substitutes for the outputs of derivation `/gnu/store/srh9xhqjd2r4giaq7x5gwbybqia6kc4r-nss-certs-3.59.drv' failed (usually happens due to networking issues); try `--fallback' to build derivation from source

PS: Great job on Guix!! With so many similar package managers out there, it was about time someone actually invented something new!

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bug#51348: Exception on `guix install nss-certs`

[Leo Famulari]

On Sat, Oct 23, 2021 at 10:57:20AM +0000, Raimundo Martins via Bug reports for GNU Guix wrote:
> Hi! I'm having an exception when trying to install nss-certs. I have glibc-utf8-locales installed, and even tried installing glibc-locales even though my LANG=en_US.UTF-8.
> I'm running Guix the package manager on top of Void Linux.

Right, you can use glibc-utf8-locales (a random locale collection
intended for test purposes) to get en_US.UTF-8

> Throw to key `encoding-error' with args `("scm_to_stringn" "cannot convert wide string to output locale" 84 #f #f)'.

Did you set GUIX_LOCPATH, as suggested in the Application Setup section
of the manual?

https://guix.gnu.org/manual/en/html_node/Application-Setup.html

I'm not sure exactly which context this error occurs in, but I recommend
setting GUIX_LOCPATH in two places:

1) Your user's login environment. That is, ~/.bash_profile or equivalent
for your shell, like this:

export GUIX_LOCPATH=$HOME/.guix-profile/lib/locale

Remember that you'll have to re-login to make it effective. This can be
done with `bash --login`.

2) The guix-daemon's environment. On Debian, that means adding a line
like this to the Service section of guix-daemon.service and reloading
and restarting the service:

Environment=GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profile/lib/locale

Does Void Linux use runit instead of systemd? I'm sure there is a way to
export environment variables in service contexts with runit.

bug#51348: Solved: Exception on `guix install nss-certs`

[Raimundo Martins via Bug reports for GNU Guix]

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Hey!

Turns out that, since I use the runit init system, GUIX_LOCPATH wasn't being set anytime before guix-daemon started, since /etc/profile.d/guix.sh was not sourced.
As a fix I set that variable by hand in my init script.
If you want to have runit as a known init system in the installer script, I suggest adding to chk_init_sys()

elif $(runit 2>/dev/null; [ $? = 111 ]); then
    _msg "${INF}init system is: runit"
    INIT_SYS="runit"
    return 0

and to the case in sys_enable_guix_daemon()

runit)
mkdir /etc/sv/guix-daemon
echo "#!/bin/sh
GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profile/lib/locale exec /var/guix/profiles/per-user/root/current-guix/bin/guix-daemon --build-users-group=guixbuild" >/etc/sv/guix-daemon/run
chmod 755 /etc/sv/guix-daemon/run
ln -sT /etv/sv/guix-daemon /var/service/guix-daemon
;;

Or something like that :P Thanks for your support in IRC #guix !!

Regards,
Raimundo

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bug#51348: Solved: Exception on `guix install nss-certs`

[Julien Lepiller]

Le Mon, 25 Oct 2021 21:15:23 +0000,
Raimundo Martins via Bug reports for GNU Guix <bug-guix@gnu.org> a
écrit :

> Hey!
> 
> Turns out that, since I use the runit init system, GUIX_LOCPATH
> wasn't being set anytime before guix-daemon started, since
> /etc/profile.d/guix.sh was not sourced. As a fix I set that variable
> by hand in my init script. If you want to have runit as a known init
> system in the installer script, I suggest adding to chk_init_sys()
> 
> elif $(runit 2>/dev/null; [ $? = 111 ]); then
>     _msg "${INF}init system is: runit"
>     INIT_SYS="runit"
>     return 0
> 
> and to the case in sys_enable_guix_daemon()
> 
> runit)
> mkdir /etc/sv/guix-daemon
> echo "#!/bin/sh
> GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profile/lib/locale
> exec /var/guix/profiles/per-user/root/current-guix/bin/guix-daemon
> --build-users-group=guixbuild" >/etc/sv/guix-daemon/run chmod 755
> /etc/sv/guix-daemon/run ln -sT /etv/sv/guix-daemon
> /var/service/guix-daemon ;;
> 
> Or something like that :P Thanks for your support in IRC #guix !!
> 
> Regards,
> Raimundo

Great news!

I'm closing this bug properly for you :) Note that you can close your
reports by sending to nnnnn-done@debbugs.gnu.org, where nnnnn is your
bug number.

I think it would make sense to support runit. I guess I would need a VM
of a distro that uses runit, in order to test an updated installation
script. Which one do you use exactly?