OpenJDK (Java) migrating from Mercurial?

[Craig Ozancin]

On Fri, Nov 15, 2019 at 9:10 PM Scott Palmer <swpalmer at gmail.com> wrote:

>
>
> On Nov 15, 2019, at 6:19 PM, František Kučera <konference at frantovo.cz>
> wrote:
>
> Dne 26. 07. 19 v 17:19 duvall at comfychair.org napsal(a):
>
> On Fri, Jul 26, 2019 at 03:03:12PM +0200, Arne Babenhauserheide wrote:
>
> Marek Lukáš via Mercurial <mercurial at mercurial-scm.org> writes:
> …
> From this:
> https://mail.openjdk.java.net/pipermail/discuss/2019-July/005096.html
> …
> It looks like most of the arguments for the move are not based in
> delivering improvements with the minimal amount of breakage, but rather
> in moving to git at any cost.
>
> It seems likely that's the case: some unrelated team at Oracle has made the
> decision that everything will be git, and now engineering teams (willing
> or not)
> have to implement that decision, regardless of external consumers.  With
> Oracle,
> if you're not a paying customer, you're not valued very much, if at all.
> And
> I'm sure that Oracle (again, as a company, not the individual teams and
> people
> who interact with external communities) feels that they own OpenJDK as
> much as
> they own Java, and that the community participation in governance is
> simply an
> impediment to them doing whatever they feel they need to do.
>
> There was strong pressure when I was still there to move the Solaris repos
> to
> git.  In fact, the default stance (dictated by some small team way up in
> the
> CTO's office, I think) was git for any external participation.  You were
> expected to have a repo on github, though they relented and allowed us to
> set up a mirror of the internal mercurial repo (for our opensource bits).
> At
> least one other repo gave up and converted.  I wouldn't be surprised if
> more
> did.
>
> Danek
>
> I remember when i first heard this story, I was shocked that the reason
the project lead
gave for moving to git from mercurial was that out-of-the-box git had more
available
commands than mercurial. I seriously doubt that this guy was so stupid to
think that was
remotely a reasonable evaluation. Any experienced developer would spend a
good
amount of time doing side-by-side comparison to see which tool gives your
the best
performance, options and user experience. There had to be some other
political
reason behind the scenes.

> BTW: there is a new discussion „New candidate JEP: 369: Migrate to
> GitHub“ in the OpenJDK mailing list:
> <https://mail.openjdk.java.net/pipermail/discuss/2019-November/thread.html
> >
>
> Some comments:
>
> I think we really need to get back to this proposal in an year or two
> when we understand more of the implication
>
>
> <https://mail.openjdk.java.net/pipermail/discuss/2019-November/005200.html
> >
>
> It worries me a little that an entire DVCS swap is being proposed
> without, apparently, any attempts to speed up Mercurial operations
> having being tried
>
>
> <https://mail.openjdk.java.net/pipermail/discuss/2019-November/005195.html
> >
>
> Franta
>
>
> Yes, but I expect it is a done deal regardless.  The discussion smells
> like it’s just there to show they asked for input, but the decision was
> finished long ago.  OpenJFX already moved to Git. ( I had to deal with Git
> insanity when I submitted patches.  Such an awkward system to work with
> when you are used to Mercurial. It was painful.)
> They do have a lot of automation based on GitHub though.  I’ll give them
> points for that.
>
> Scott
>
>
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