Bug#1035733: debian -policy: packages must not use dpkg-divert to override default systemd configuraton files
On Mon, 2023-05-08 at 08:48:49 -0700, Russ Allbery wrote:
> […] I suspect Policy should say something stronger and more general,
> namely that no package in Debian should divert a file from another package
> unless this is arranged cooperatively between the packages to solve some
> specific (unusual) problem.
,--- §3.9 ---
You should not use "dpkg-divert" on a file belonging to another
package without consulting the maintainer of that package first. When
adding or removing diversions, package maintainer scripts must provide
the "--package" flag to "dpkg-divert" and must not use "--local".
`---
> To me, this feels similar to the case of one
> package modifying the configuration files of another package, where we
> explicitly prohibit one package modifying the configuration of another
> package except through an interface provided by the package whose
> configuration is being modified.
,--- §10.7.4 ---
If the configuration file cannot be shared as described above, the
packages must be marked as conflicting with each other. Two packages
that specify the same file as a "conffile" must conflict. This is an
instance of the general rule about not sharing files. Neither
alternatives nor diversions are likely to be appropriate in this case;
in particular, "dpkg" does not handle diverted "conffile"s well.
`---
Regards,
Guillem
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