[Halld-offline] De-commissioning the Commissioning Branch of sim-recon

[Mark Ito]

Reminder...

On 03/04/2015 04:39 PM, Mark Ito wrote:
> *Executive Summary*: check-in any final changes to the commissioning 
> branch of sim-recon by C.O.B., Friday, March 6.
>
> Folks,
>
> After the offline meeting today a few of us were discussing how to 
> restore the sim-recon trunk (trunk/sim-recon) as the main line of 
> development. Recall at the collaboration meeting there was consensus 
> around copying the commission branch 
> (branches/sim-recon-commissioning) onto the trunk at some point. Now 
> that Justin has discovered the source of our previous problems with 
> the branch (simulated data not reconstructing properly due to 
> inappropriate calibration constants) it is beyond time that we do the 
> copy, branch to trunk.
>
> That having been said, one of us (David) pointed out rightly that some 
> people probably have un-checked-in changes to their 
> commissioning-branch code. As such the copy mentioned above, if done 
> immediately, would leave their changes off the trunk. To avoid this we 
> will delay the copy until 5:00 pm on Friday. In the meantime, please 
> check-in any changes to the commissioning branch that represent real 
> improvements. Those changes will then get swept to the trunk when we 
> do the copy on Friday.
>
> Note that if for some reason you are not able to make this deadline, 
> your code changes are not lost forever. There are various ways to put 
> them back on the trunk (description a bit too technical for this 
> message). See me for assistance if needed.
>
> After the copy is made, then the commissioning branch will be 
> considered to be at end-of-life (apart from exceptions alluded to 
> above, in reference to missing the deadline). All development after 
> that should then begin with a fresh check-out of the trunk. We will 
> make an announcement on this list when the copy is complete.
>
> After we move off the branch, there will still be a need to analyze 
> data from the Fall run obviously. To do that you need to build 
> sim-recon against the commissioning branch of HDDS (i. e., you must 
> still use the commissioning geometry). Alternately, you could continue 
> to use the commissioning branch of sim-recon, just know that further 
> improvements to that code base will not be coming in. For the upcoming 
> run, since the trunk of HDDS (geometry) has the hydrogen target and 
> the default beam line components, it should be used.
>
> Finally, if  you have objections to this plan, please let me know 
> before Friday, 5 pm.
>
>   -- Mark
>

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