GNU bug report logs - #78254
Replacement variables in guix-daemon.service

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From: Ido Yariv <yarivido <at> gmail.com>
To: 78254 <at> debbugs.gnu.org
Subject: bug#78254: Replacement variables in guix-daemon.service
Date: Sun, 4 May 2025 21:09:35 -0400

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Hi,

It appears guix-daemon.service leaks some replacement variables defined in
guix-daemon.service.in, e.g.:
--8<---------------cut here---------------start------------->8---
Environment='GUIX_STATE_DIRECTORY=/var/guix'
'GUIX_LOCPATH=@localstatedir@/guix/profiles/per-user/root/guix-profile/lib/locale'
LC_ALL=en_US.utf8

# Run under a dedicated unprivileged user account.
User=guix-daemon

# Bind-mount the store read-write in a private namespace, to counter the
# effect of 'gnu-store.mount'.
PrivateMounts=true
BindPaths=@storedir@
--8<---------------cut here---------------end--------------->8---

From what I can tell, it looks like the replacement is done by nix/local.mk
(as opposed to self.scm), and the sed script there doesn't include all
variables, nor is it replacing matched patterns globally.

Thanks,
Ido.

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