Control: severity 901827 wishlist On Sat, 2018-11-10 at 23:16:00 +0000, Ximin Luo wrote: > This translation scheme works for Depends and Build-Depends, however > it does not work for Replaces and Breaks, please see #913408 for an > example of the problem. > > In the abstract example above, since A-5 (= 5.1.1) replaces files > from a previously-uploaded A (= 5.1.1), it must declare > Replaces+Breaks: A (= 5). But in reality, there may be multiple > Debian uploads of 5.1.1 including security uploads and backports. > So we really need to declare: > > Breaks: A (>= 5.1.1~~, << 5.1.2~~) > Replaces: A (>= 5.1.1~~, << 5.1.2~~) > > but this is not possible in Debian today. Note that this: > > Breaks: A (>= 5.1.1~~), A (<< 5.1.2~~) > Replaces: A (>= 5.1.1~~), A (<< 5.1.2~~) > > won't work as it is equivalent to Breaks: A, Replaces: A which is not > what we want.
As has been mentioned elsewhere, I don't think we really need to do this strict range coverage, because in general we do not support downgrades, and only upgrading forward. In any case, this is still a whishlist bug, reset accordingly. Thanks, Guillem
