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[v5] migration-guides: systemd.bbclass do not add Also services for 5.2

Message ID 20250117161141.2194682-1-adrian.freihofer@siemens.com
State Under Review
Headers show
Series [v5] migration-guides: systemd.bbclass do not add Also services for 5.2 | expand

Commit Message

Adrian Freihofer Jan. 17, 2025, 4:11 p.m. UTC
From: Adrian Freihofer <adrian.freihofer@gmail.com>

Covers the changes introduced by commit
https://git.yoctoproject.org/poky/commit/?id=efa5f65c2214239ed7aaf7bd8998683e755c5660

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Reviewed-by: Antonin Godard <antonin.godard@bootlin.com>
---
 .../migration-guides/migration-5.2.rst        | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/documentation/migration-guides/migration-5.2.rst b/documentation/migration-guides/migration-5.2.rst
index cb70e19da0c..e9de6910e12 100644
--- a/documentation/migration-guides/migration-5.2.rst
+++ b/documentation/migration-guides/migration-5.2.rst
@@ -74,6 +74,26 @@  systemd changes
    As a consequence, the ``systemd`` recipe no longer contains the ``usrmerge``
    :term:`PACKAGECONFIG` option as it is now implied by default.
 
+-  ``systemd.bbclass``: If a ``systemd`` service file had referred to other service
+   files by starting them via
+   `Also <https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html#Also=>`__,
+   the other service files were automatically added to the :term:`FILES` variable of
+   the same package. Example: 
+
+   a.service contains::
+
+      [Install]
+      Also=b.service
+
+   If ``a.service`` is packaged in package ``A``, ``b.service`` was
+   automatically packaged into package ``A`` as well. This happened even if
+   ``b.service`` was explicitly added to package ``B`` using :term:`FILES` and
+   :term:`SYSTEMD_SERVICE` variables.
+   This prevented such services from being packaged into different packages.
+   Therefore, this automatic behavior has been removed for service files (but
+   not for socket files).
+   Now all service files must be explicitly added to :term:`FILES`.
+
 Recipe changes
 ~~~~~~~~~~~~~~