Re: DEP 17: Improve support for directory aliasing in dpkg

[Timo Röhling]

Hi,

* Simon Richter <s...@debian.org> [2023-05-05 17:59]:

- it is not an error to register a diversion for an alias of an existing diversion, provided the package and target matches, this is a no-op - it is not an error to unregister a diversion for an alias of a path that has been unregistered previously, that is a no-op as well

How do you distinguish between aliased diversions and "real" ones?
Because if you allow the registration of duplicate diversions, the
following can happen:

- Package A is installed, preinst creates a diversion
- Package B is installed, preinst creates the same diversion
- Package A is uninstalled, postrm removes the diversion



Cheers
Timo

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Now package B has lost its diversion.

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