bug#35874: “guix pull” fails on setlocale

[Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>]

Hi Guix,

I’m getting this weird error on “guix pull”:

--8<---------------cut here---------------start------------->8---
[rwurmus@max147.mdc-berlin.net:~] $ guix pull
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git   e26d628
Computing Guix derivation for 'x86_64-linux'... \@ build-started /gnu/store/pryjyasqnhc69qqjsbvv5f1ksi25mjdc-libgit2-0.28.tar.xz.drv - x86_64-linux /gnu/var/log/guix/drvs/pr//yjyasqnhc69qqjsbvv5f1ksi25mjdc-libgit2-0.28.tar.xz.drv 2110                                                                                                     |@ build-log 2110 252
Backtrace:
           2 (primitive-load "/gnu/store/lgad0sg02p56jadwqrq674250d5?")
In ice-9/eval.scm:
    619:8  1 (_ #f)
In unknown file:
           0 (setlocale 6 "en_US.utf8")

ERROR: In procedure setlocale:
In procedure setlocale: Invalid argument
builder for `/gnu/store/pryjyasqnhc69qqjsbvv5f1ksi25mjdc-libgit2-0.28.tar.xz.drv' failed with exit code 1
@ build-failed /gnu/store/pryjyasqnhc69qqjsbvv5f1ksi25mjdc-libgit2-0.28.tar.xz.drv - 1 builder for `/gnu/store/pryjyasqnhc69qqjsbvv5f1ksi25mjdc-libgit2-0.28.tar.xz.drv' failed with exit code 1
cannot build derivation `/gnu/store/nj6zd6gn3x1rf08ayxxwd1v0fyg71v9c-libgit2-0.28.2.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/82x55s3m26j3rpq45ppijzvvh3rhxhsb-guile-git-0.2.0.drv': 1 dependencies couldn't be built
Backtrace:
In ./guix/store.scm:
   1667:8 19 (_ _)
   1667:8 18 (_ _)
In ./guix/gexp.scm:
    708:2 17 (_ _)
In ./guix/monads.scm:
    482:9 16 (_ _)
In ./guix/gexp.scm:
   573:13 15 (_ _)
In ./guix/store.scm:
   1667:8 14 (_ _)
In ./guix/gexp.scm:
    708:2 13 (_ _)
In ./guix/monads.scm:
    482:9 12 (_ _)
In ./guix/gexp.scm:
   573:13 11 (_ _)
In ./guix/store.scm:
   1667:8 10 (_ _)
In ./guix/gexp.scm:
    708:2  9 (_ _)
In ./guix/monads.scm:
    482:9  8 (_ _)
In ./guix/gexp.scm:
   573:13  7 (_ _)
In ./guix/store.scm:
   1667:8  6 (_ _)
  1690:38  5 (_ #<store-connection 256.99 d5cfb40>)
In ./guix/packages.scm:
   936:16  4 (cache! #<weak-table 420/883> #<package guile-git@0.2.?> ?)
In ./guix/grafts.scm:
    314:4  3 (graft-derivation #<store-connection 256.99 d5cfb40> # # ?)
    192:4  2 (references-oracle #<store-connection 256.99 d5cfb40> #)
   201:20  1 (_ _ _)
In ./guix/store.scm:
  1203:15  0 (_ #<store-connection 256.99 d5cfb40> _ _)

./guix/store.scm:1203:15: Throw to key `srfi-34' with args `(#<condition &store-protocol-error [message: "build of `/gnu/store/82x55s3m26j3rpq45ppijzvvh3rhxhsb-guile-git-0.2.0.drv' failed" status: 100] d59ede0>)'.
guix pull: error: You found a bug: the program '/gnu/store/2mjaq8zxq60ifqxj3fra7f8gyxxccypm-compute-guix-derivation'
failed to compute the derivation for Guix (version: "e26d628b0fabf5a0aa7c4164a9558c66c61e02ab"; system: "x86_64-linux";
host version: "ebd45195dd10eea9ce2c563697989bd4b27dfdd3"; pull-version: 1).
Please report it by email to <bug-guix@gnu.org>.
--8<---------------cut here---------------end--------------->8---

I’m using “guix” from the result of a previous “guix pull”, but it’s the
same if I use a git checkout.

The daemon is probably a little special.  I’m using the daemon from a
git checkout inside of an environment for “guix”, because localstatedir
in my case is /gnu/var.

I also tried using the daemon from the same “guix pull” tree, after
setting GUIX_DATABASE_DIRECTORY=/gnu/var/guix/db and
GUIX_STATE_DIRECTORY=/gnu/var/guix.

Here’s how I launch the daemon:

--8<---------------cut here---------------start------------->8---
#!/bin/bash

export GUIX_PROFILE=/gnu/var/guix/profiles/custom/guix-remote/.guix-profile

# We need this to augment the GUILE_LOAD_PATH such that it includes
# the Guile bindings to gnutls.  Sourcing the whole profile is
# overkill, but who cares, eh?
source ${GUIX_PROFILE}/etc/profile

# Fix locale warnings
export GUIX_LOCPATH=${GUIX_PROFILE}/lib/locale

# Fix certificate validation
export SSL_CERT_DIR=${GUIX_PROFILE}/etc/ssl/certs/
#export GUIX_DATABASE_DIRECTORY=/gnu/var/guix/db
#export GUIX_STATE_DIRECTORY=/gnu/var/guix

#/gnu/remote/.guix-pull/bin/guix-daemon \
#/gnu/remote/guix/pre-inst-env guix-daemon \
exec /gnu/remote/guix/pre-inst-env guix-daemon \
     --disable-log-compression \
     --build-users-group=guix-builder \
     --listen=141.80.186.209:9999 \
     --substitute-urls="https://berlin.guixsd.org https://mirror.hydra.gnu.org" $@
--8<---------------cut here---------------end--------------->8---

All communication with the daemon happens over network; the local socket
is not involved, but this doesn’t seem to make any difference here.

The simplest reproducer is to run Guile where the daemon runs and to
evaluate setlocale:

--8<---------------cut here---------------start------------->8---
[rwurmus@guix-builder:~] (716) $ /gnu/store/r658y3cgpnf99nxjxqgjiaizx20ac4k0-guile-2.2.4/bin/guile
guile: warning: failed to install locale
warning: failed to install locale: Invalid argument
GNU Guile 2.2.4
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (setlocale 6 "en_US.utf8")
ERROR: In procedure setlocale:
In procedure setlocale: Invalid argument

Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
scheme@(guile-user) [1]>
--8<---------------cut here---------------end--------------->8---

This is expected because GUIX_LOCPATH isn’t set in this environment.
It’s fine when I set GUIX_LOCPATH to the value it has in the above
guix-daemon wrapper:

--8<---------------cut here---------------start------------->8---
[rwurmus@guix-builder:~] (719) $ GUIX_LOCPATH=/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/lib/locale /gnu/store/r658y3cgpnf99nxjxqgjiaizx20ac4k0-guile-2.2.4/bin/guile
GNU Guile 2.2.4
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (setlocale 6 "en_US.utf8")
$1 = "en_US.utf8"
scheme@(guile-user)>
--8<---------------cut here---------------end--------------->8---

I don’t understand why Guile as used in the builder of
libgit2-0.28.tar.xz would behave any different as the daemons
environment looks fine to me:

--8<---------------cut here---------------start------------->8---
[rwurmus@guix-builder:~] (723) $ sudo strings /proc/27562/environ
GUIX_LOCPATH=/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/lib/locale
NIX_BUILD_HOOK=/gnu/remote/guix/nix/scripts/offload
NIX_HASH=
NIX_LIBEXEC_DIR=/gnu/remote/guix/nix/scripts
LC_ALL=en_US.UTF-8
GUILE_LOAD_PATH=/gnu/remote/guix:/gnu/remote/guix:/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/share/guile/site/2.2
GUIX_PROFILE=/gnu/var/guix/profiles/custom/guix-remote/.guix-profile
GUILE_LOAD_COMPILED_PATH=/gnu/remote/guix:/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/lib/guile/2.2/site-ccache
PATH=/gnu/remote/guix/scripts:/gnu/remote/guix:/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
PWD=/
LANG=en_US.UTF-8
SSL_CERT_DIR=/gnu/var/guix/profiles/custom/guix-remote/.guix-profile/etc/ssl/certs/
SHLVL=0
NIX_ROOT_FINDER=/gnu/remote/guix/nix/scripts/list-runtime-roots
GUIX_UNINSTALLED=1
--8<---------------cut here---------------end--------------->8---

What’s going on here?

--
Ricardo