On Tue, Jan 12, 2016 at 03:34:20PM +0100, Philip Hands wrote: > Josselin Mouette <j...@debian.org> writes: > > > Dmitrii Kashin <d.kas...@solarsecurity.ru> wrote: > >> The main thing is we can describe dependency as `pkg (= "2.0")' and yum > >> will > >> install package `pkg' of version "2.0" with the maximum revision > >> found. And also we can write dependency specifically with revision, > >> f.e. `pkg (= "2.0-43")' and yum will install specifically "2.0-43". > > > >> Well, now I'm trying to repack one project (my job) from centos to > >> debian. And I wonder what would be the most correct way for such kind of > >> dependencies. > >> > >> 1) I could not write dependency operator at all. > >> 2) I could write >= and version (f.e. "2.0") > > > > You can write, for example: > > Depends: pkg (>= 2.0), pkg (<= 2.0.~) > > That (<= 2.0.~) should have been (<< 3.0~)
I thought so too at first, but no, you're wrong :-) 2.1-43 would also satisfy pkg (<< 3.0~), which is not intended. For that matter, 2.0.1-1 would also satisfy that. Instead, you want to have something that sorts before that 1. That is the ~. So, the 2.0.~ is correct. (Regarding the << rather than the <=, you're right of course) -- It is easy to love a country that is famous for chocolate and beer -- Barack Obama, speaking in Brussels, Belgium, 2014-03-26
