Package: release.debian.org
User: [email protected]
Usertags: britney
X-Debbugs-Cc: [email protected]
Severity: normal

After a binNMU, the individual architecture built packages don't migrate
all at once but one after the other as soon as they are available. This
breaks setups with foreign architectures in a short time window.
>From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1123533#15 :

| # apt-get install libssl-dev:arm64
|
| The following packages have unmet dependencies:
| libssl-dev:arm64 : Depends: libssl3t64:arm64 (= 3.5.4-1) but it is not going 
to be installed
| E: Unable to satisfy dependencies. Reached two conflicting decisions:
| 1. zlib1g:arm64 is not selected for install because:
| 1. dpkg:amd64 is selected for install
| 2. dpkg:amd64 PreDepends zlib1g (>= 1:1.1.4)
| 3. zlib1g:amd64 is available in version 1:1.3.dfsg+really1.3.1-1+b1
| 4. zlib1g:arm64 Breaks zlib1g (!= 1:1.3.dfsg+really1.3.1-1+b2)
| 2. zlib1g:arm64 is selected for install because:

In this case arm64 was available before amd64 was. I don't know what
exactly the policy is but it looks that the bunNMU version (+b?) is kept
consistent for all architectures to avoid this scenario.

Would it be doable to teach britney to migrate all packages together to
testing instead one by one? 

Sebastian

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