[p4] converting static labels to automatic labels

[Stephen Vance]

There are a couple of things to consider. Which ones you worry about
depends on your trust in the orderliness of your environment.

The easy part is

p4 changes -m 1 @label

which, as you note, answers the question "What is the highest changelist
number that contributes to the label?"

Next, if you create a workspace and

p4 sync -k @label
p4 sync -k -n @changelist

you will find out if the label purely represents the changelist *within
the constraints of your views*.

However, both your workspace view and your label view can potentially
split changelists. If you open up those views to include your entire
repository, you could use a combination of 'p4 sync -k -n @changelist'
and 'p4 labelsync -n -l label @changelist' to easily determine if it was
truly pure. If you need to keep the views restrictive then it's a more
computational task to determine.

Steve

Jay Glanville wrote:
> Hello all.
>
> I'm wanting to convert some of the old static labels we have (many
> containing over 60k files) into automatic ones, in the hopes that it
> will make label diffs more efficient.  The conversion process itself
> isn't that hard.
>
> The hard bit is trying to determine if an automatic label can represent
> a static label.  The only way I can think of right now is to find the
> highest change list in the label, and then perform a diff between the
> label and the change list.  But, is that the best way?  Is there a
> simpler way (that just hasn't occurred to me yet...).
>
>
> So, my question to these eminent minds is this: what is the best way to
> determine if a static label can represented by an automatic label?
>
>
> Thanks
>
> JDG
>
> ---
> Jay Dickon Glanville
>
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-- 
Stephen Vance
www.vance.com