bug: Failed to start unit gpg-agent.service

[DamienCassou]

Are you following the right branch?

• My Nixpkgs and Home Manager versions are in sync

Is there an existing issue for this?

• I have searched the existing issues

Issue description

Since I switched to Debian stable yesterday, I'm getting errors at the end of home-manager switch:

Stopping units: borgmatic.timer, caffeine.service, clipmenu.service, emacs.service, emacs.socket, [email protected], [email protected], [email protected], gpg-agent-ssh.socket, gpg-agent.service, gpg-agent.socket, mpd.service, signaturepdf.service, syncthing.service, systembus-notify.service, tray.target
Starting units: borgmatic.timer, caffeine.service, clipmenu.service, emacs.service, emacs.socket, [email protected], [email protected], [email protected], gpg-agent-ssh.socket, gpg-agent.service, gpg-agent.socket, mpd.service, signaturepdf.service, syncthing-init.service, syncthing.service, systembus-notify.service, tray.target, vdirsyncer.timer
Error: Error switching

Caused by:
    0: Failed to perform post-reload tasks
    1: Failed to start unit gpg-agent.service
    2: org.freedesktop.systemd1.OnlyByDependency: Operation refused, unit gpg-agent.service may be requested by dependency only (it is configured to refuse manual start/stop).

That never happened when I was using Fedora and I have had systemd.user.startServices set to true for a very long time.

My home-manager configuration is using flakes and is public: https://github.com/DamienCassou/nix-system.

Maintainer CC

No response

System information

$ nix-shell -p nix-info --run "nix-info -m"
 - system: `"x86_64-linux"`
 - host os: `Linux 6.1.0-29-amd64, Debian GNU/Linux, 12 (bookworm), nobuild`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.25.3`
 - channels(root): `"nixpkgs"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixpkgs`