Bug#994388: tech-ctte: More specific advice regarding merged-/usr and implications of #978636
>On merged-/usr systems, there is a possible failure mode involving files
>being moved between packages (with Replaces) during the same release
>cycle that their logical location is changed from the root filesystem
>to the corresponding aliased directory in /usr, which can result in
>the affected file disappearing. This can be avoided by not changing
>the file's logical location until the beginning of the Debian 13
>development cycle, after the transition to merged-/usr is complete.
Simon, I've reviewed your draft, and with the exception of the above
text, it all seems consistent with my understanding of the technical
details.
I don't understand how transitioning files in the Debian 13 cycle is
going to work any better than in the Debian 12 cycle unless dpkg happens
to change.
So I don't see how the above text is correct.
If I'm missing something, perhaps we could clarify the text, because I
suspect I have a better than average understanding of the issues. If I
don't get it, others probably will misunderstand too.
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