Re: [OE-core] [PATCH v2] systemd.bbclass: fix service enablement for cross-install scenarios

["Jörg Sommer" <joerg.sommer@navimatix.de>]

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Himani Ramesh Barde via lists.openembedded.org schrieb am Mi 22. Jul, 06:47 (+0000):
> When packages are installed outside of Yocto's normal image creation
> (e.g., using multistrap, debootstrap, or dpkg directly on a host),
> the postinst script fails to enable systemd services.
> 
> The issue is that the entire enable logic is gated behind
> "if type systemctl >/dev/null 2>/dev/null". In cross-install scenarios:
> - If systemctl is absent on the host: the check fails, script is skipped
> - If host systemctl is present: it cannot find target unit files
> 
> Fix this by separating the offline ($D set) and online ($D unset)

May it be better to say off-side and on-side or image-build and on-target?

> code paths into distinct branches. The previous code used a single
> OPTS variable to switch between "--root=$D" (offline) and "" (online)
> within one unified block. This variable is removed because the two
> scenarios now have dedicated branches with different logic:
> 
> - Offline ($D set): Uses "systemctl --root=$D preset" per service,
>   which reads preset files from the target rootfs and creates symlinks
>   without needing the host systemctl to understand the target's unit
>   files. Falls back to "systemctl --root=$D enable" per service.
> 
> - Online ($D unset): Same as before - enable, daemon-reload, preset,
>   restart. No behavioral change for on-target installs.


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