How to deal with major versions? (was Re: [Zope3-dev] Re: egg version numbers and zope releases)

[Jim Fulton]

On May 30, 2007, at 4:36 PM, Jodok Batlogg wrote:

>> I don't see how this helps one say that they want to depend on a  
>> minimum version of a major version.  That is, how does it prevent  
>> dependencies like:
>>
>>     foo >=1.0 <1.999
>>
>> ?
>>
>> I'm wondering how Gentoo got *that* right.
>
> you are able to specify dependencies (http://devmanual.gentoo.org/ 
> general-concepts/dependencies/index.html) like:
>
> >=app-misc/foo-1.23 	Version 1.23 or later is required.
> >app-misc/foo-1.23 	A version strictly later than 1.23 is required.
> ~app-misc/foo-1.23 	Version 1.23 (or any 1.23-r*) is required.
> =app-misc/foo-1.23 	Exactly version 1.23 is required. If at all  
> possible, use the ~ form to simplify revision bumps.
> <=app-misc/foo-1.23 	Version 1.23 or older is required.
> <app-misc/foo-1.23 	A version strictly before 1.23 is required.

How would you say that you want version 1.23 or higher but less than  
any version 2?

Jim

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