Re: [Myexperiment-discuss] versioning workflows

[Jiten Bhagat]

Hello Paul,

On myExperiment we used to have wiki style versioning, whereby any 
change to title/description would create a new version. However, we then 
moved to a more explicit versioning model whereby new versions were only 
created when a new workflow definition file was uploaded, so this is 
controlled by the user not the system. In the case of Taverna 1.x  
workflows, this would be different SCUFL files.

If we take for example this workflow: 
http://www.myexperiment.org/workflows/10

... you can see that there are 4 versions available, each with it's own 
SCUFL file (in theory, all different). Titles/description can then be 
modified for each version individually. Individual versions can be 
addressed via a URL, eg: http://www.myexperiment.org/workflows/10?version=3

Also, when uploading a new version, the uploader can provide revision 
comments to explain changes. These are then shown in the 'versions' tab 
on the workflow page.

We are discussing removing the ability to delete versions and instead 
allow marking them as "deprecated" or so.

Once uploaded, a SCUFL file cannot be changed on myExperiment, so we 
guarantee immutability to some extent (except when they are deleted).

I believe this is applicable in your case?

Thanks,
Jits



Paul Allen wrote:
> Hello all,
>
> I'm wondering if there have been any thoughts about the versioning of 
> workflows that reside in a repository (e.g. myExperiment). The idea 
> would be to make sure that, if a workflow from a repository is 
> referenced externally, it will always work in a manner similar (and 
> produce similar output) as when it was referenced. I think that this 
> is important if people are sharing workflows, yet those workflows 
> continue to be improved or updated.
>
> I'm not sure if versioning workflows implies that actors/components 
> are also versioned.
>
> Has anybody thought about this?
>
> Thanks,
> -Paul
>
>
>
>
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