Re: [gentoo-dev] RFC: Repoman to warn about suspicious =-dependencies

[Gilles Dartiguelongue]

Le dimanche 04 mars 2018 à 12:37 +0100, Michał Górny a écrit :
> Hi, everyone.
>
> I have proposed a new check for repoman [1] (with a patch at [2])
> that
> would warn developers about suspicious '=' deps.
>
> By suspicious, I mean dependencies '=foo-1.2.3' which are sometimes
> mistakenly used instead of '~foo-1.2.3', and cause some degree of
> mayhem
> when someone revbumps the package (either by preventing people from
> upgrading or causing depgraph breakage).
>
> The check would trigger whenever '='-class dependency is used without
> a revision specified and without the '*' suffix. It would suggest to
> either use '~' operator when any revision is acceptable, or
> explicitly
> specify '-r0' (which is equivalent to no revision specified).
>
> In other words, repoman would complain at:
>
>   =dev-foo/bar-1.2.3
>
> but it will be happy if you used:
>
>   ~dev-foo/bar-1-2.3
>   =dev-foo/bar-1.2.3-r0
>
> I think this cause the trouble of specifying '-r0' rather rarely, and
> it
> will decrease the number of mistakes, also effectively making Gentoo
> development easier. It is somewhat inspired by the handling of slot
> operators (where repoman explicitly asks you to use ':*' instead
> of no operator when the latter would be ambiguous).
>
> What do you think?

Sounds good. The attached script hopefully gives a good indication of
how much packages would be affected. A local run raises about 92
ebuilds.