Managing parallel change in JDK 8 and JDK 9

mark.reinhold at oracle.com mark.reinhold at oracle.com
Tue Dec 3 08:53:47 PST 2013


2013/12/2 22:50 -0800, chris.hegarty at oracle.com:
> Provided that engineers forward port JDK8 changes to JDK9 in a timely
> manner, then 'hg import --exact' can be used. Since JDK9 will contain
> the parent change set. That way tag changesets could also be forward
> ported, when 'hg import --exact' detects that the parent is a tag
> changeset that is not currently in JDK9. All tags up to and inclusing
> JDK8 FCS would then be applicable in the JDK9 forest.
> 
> But every engineer would have to follow this ( use --exact ). Probably
> not practical, but worth considering ( if not already done so ).

No, not considered, but I don't think it's practical.  As soon as
a 9-only changeset is committed then the next hg import --exact will
fail.

- Mark


P.S.  It's "JDK 8" and "JDK 9".  Note the space after the "K".


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