RFC: JDK 9 Sandbox Forest Proposal
neugens.limasoftware at gmail.com
Mon Sep 22 19:03:23 UTC 2014
I also think that if we start using branches, it will end up being
more overhead than using multiple mercurial repositories...
2014-09-22 10:38 GMT+02:00 Volker Simonis <volker.simonis at gmail.com>:
> On Sun, Sep 21, 2014 at 4:41 PM, David Chase <david.r.chase at oracle.com> wrote:
>> I vote yes, I have some feedback/questions on the proposal:
>> On 2014-09-19, at 1:15 PM, Mike Duigou <mike.duigou at oracle.com> wrote:
>>> - Open : Use OpenJDK public infrastructure
>>> - Low-friction : Minimal start-cost and no delays
>> I ran into one specific problem attempting to add stuff to
>> jdk libraries as part of Panama, which is that the creation
>> of a new module is error-prone. In my case, it is only
>> error-prone, I never succeeded, I assume I missed some
>> crucial step. I think we want people to be able to work in
>> this style because at least one of the IDE tools (NetBeans)
>> can sometimes get confused when working with a subset of the
>> source files in java.base. (and even when it works, it’s another
>> little speedbump on the way to configure NetBeans to work
>> properly in this case)
>> So I think we need to address this and write up a recipe,
>> including the need to regenerate configure files etc before
>> commit. Ideally the recipe will contain copy-and-pasteable
>> commands where that is possible.
>>> - Neither jcheck nor hgupdater is enabled for this forest.
>> Do we want something like jcheck to keep the code moderately
>> clean — for example, there’s the personal “fixit” script
>> I’ve informally put up for consideration for Codetools (it’s
>> not a commit hook, it merely checks a bunch of source code
>> rules and gives you the the option of an automated fix).
>> This is purely a matter of keeping code clean, on the off
>> chance that we do include some of it in a future release.
>>> - All development happens on branches.
>> It would be lovely to have a short tutorial on how we do
>> this written up and put in an easy-to-access place.
>> Branching still makes me nervous.
> I'm also not familiar with branches. How do branches work in a
> Mercurial forest? Is it possible to easily develop on a branch if you
> need to push to different repositories within the whole sandbox forest
> (i.e. hotspot and jdk). Is it somehow possible to enforce the smae
> branch on all the repos in a forest? I agree that the OpenJDK project
> process is much too heavyweight for many smaller project, but in the
> end you always get a complete forest. I'm just curious if cross
> repository changes can be easily developed with branches.
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