[EP-tech] Re: Bazaar-Plugins vs. New EPrint Versions

Denis Pitzalis denis.pitzalis at gmail.com
Mon Mar 9 09:03:45 GMT 2015


Should we open an issue on github about this?

Denis

> On 09 Mar 2015, at 10:01, Ian Stuart <Ian.Stuart at ed.ac.uk> wrote:
> 
> On 09/03/15 08:48, Denis Pitzalis wrote:
>> Hi all,
>> 
>> Maybe even easier would be to add a min_version and a max_version
>> variables in the plugin definition. Like in PHP CMS. So we can define:
>> $self->{min_version} = “>= 3.3.10”;
>> $self->{max_version} = “< 3.3.12”;
>> 
>> so we are sure that we always install the good version of a plugin.
>> 
>> We could even go further and add a dependencies like:
>> $self->{dependency} = “icon-builder>1.1.4”;
>> 
>> etc
>> 
>> What do you think?
> 
> The downside to this approach is that plugins should remain compatible 
> with all releases of EPrints (and certainly within a Version: 3.1; 3.2; 
> 3.3;...)
> The changes that kill plugins are changes to API calls... and those 
> shouldn't change within a version (so all function/api calls in 3.3.1 
> should still work in 3.3.14 - though there may be additional 
> functionality available within those calls, or via new calls)
> 
> I'd be happy with
> 
> $self->{min_version} = “>= 3.2”;
> $self->{max_version} = “< 3.4”;
> 
> Anything else, and all Bazaar plugins automatically go "out of scope" on 
> every new release, until they are tested against an install of that new 
> release.
> 
> -- 
> 
> Ian Stuart.
> Developer: ORI, RJ-Broker, and OpenDepot.org
> Bibliographics and Multimedia Service Delivery team,
> EDINA,
> The University of Edinburgh.
> 
> http://edina.ac.uk/
> 
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