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guix-daemon.service.in: Make service restartable.

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Currently the service cannot be restarted, because the gnu store mount makes
it read-only. So fix this by removing the mount when starting the service.

"-" to accept failures, in case the command doesn't finish successfully,
chances are, the store can be mounted as RW, so continue.
"+" to run as root

Fixes: #4744

* etc/guix-daemon.service.in
(Service)<ExecStartPre>: Stop gnu-store.mount
(Service)<ExecStartPost>: Start gnu-store.mount

Change-Id: I296f5d8805497f8a7364b68d627eb6d4fc05dbff
This commit is contained in:
Rutherther
2025-12-22 16:48:12 +01:00
parent a2df6c460f
commit 9a78e76076
1 changed files with 6 additions and 0 deletions
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6
etc/guix-daemon.service.in
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@@ -14,6 +14,12 @@ ExecStart=@localstatedir@/guix/profiles/per-user/root/current-guix/bin/guix-daem
--substitute-urls='@GUIX_SUBSTITUTE_URLS@'
Environment='GUIX_STATE_DIRECTORY=@localstatedir@/guix' 'GUIX_LOCPATH=@localstatedir@/guix/profiles/per-user/root/guix-profile/lib/locale' LC_ALL=en_US.utf8
# Stop the gnu-store.mount so that the daemon can capture the store as
# read-write in its private mount namespace.
# See <https://codeberg.org/guix/guix/issues/4744>.
ExecStartPre=-+systemctl stop gnu-store.mount
ExecStartPost=-+systemctl start gnu-store.mount --no-block
# Run under a dedicated unprivileged user account.
User=guix-daemon