Re: split of mockup / plone.mockup

Hi,

good arguments! That was a quick shot from me, sorry. But I think we
agree, that Mockup needs to be a bower installable package.

So, Timo's point is, that we need for each commit on mockup a
corresponding commit on plone.mockup to get understandable and
reproducable Jenkins result.

As far as I understood it (didn't try out yet), ``git subtree``, instead
of ``git submodules`` might be able to solve this problem. See:
http://blogs.atlassian.com/2013/05/alternatives-to-git-submodule-git-subtree/

I'm not sure how this works out with mr.developer. Maybe we need some
Github Webhooks to update the subtree on every Mockup commit.

Johannes


On Mon, 2015-03-09 at 15:41 -0300, Leonardo Rochael Almeida wrote:
> Hi,
> 
> 
> I don't know if this is relevant, and you might already be aware of
> it, but I'd just like to point out that, with git submodules, the
> submodule is pinned to a specific commit (hash), not a specific branch
> of the referenced repository.
> 
> 
> In practice this means that, for the `plone.mockup` repository to pick
> up a new commit/release/branch/whatever of the `mockup` submodule, a
> new commit needs to be added to the `plone.mockup` repository picking
> up this new commit (hash) of the submodule.
> 
> 
> This also means that any CI that monitors a branch (or master) of the
> `plone.mockup` repository and blindly calls `submodule update` on it
> whenever it detects a new commit on the `plone.mockup` will
> automatically pick up changes in the submodules without any added
> detection complexity.
> 
> 
> Cheers,
> 
> 
> Leo
> 
> On 9 March 2015 at 15:26, Timo Stollenwerk <tisto-z4DKO/[email protected]> wrote:
>         Am 09.03.15 um 19:08 schrieb Timo Stollenwerk:
>         > Hi Johannes,
>         >
>         > making mockup installable via bower is a worthwile goal.
>         Thanks for
>         > working on that!
>         >
>         > Though, I see a problem with using git submodules. It is
>         already quite
>         > hard to create a proper CI setup on top of mr.developer, and
>         using git
>         > submodules will make this even harder. Here is why:
>         >
>         > We are basically nesting our development packages into our
>         main
>         > repository with mr.developer. This makes it hard to
>         impossible to
>         > trigger one Jenkins job per commit (we tried very smart
>         stuff with
>         > mr.roboto and we failed miserably, you have to store every
>         single hash
>         > value and every version pinning for each pkg and re-run
>         buildout with
>         > this). We are still aiming for 1 commit = 1 build. Though,
>         adding a
>         > second nested level (git submodules) within our already
>         nested setup
>         > will make this impossible. We might be able to somehow pin
>         our modules
>         > if we do releases in the future. We are not going to be able
>         to do this
>         > in a structure that is nested twice.
>         >
>         > Futhermore, my personal experience with git submodules is
>         that even when
>         > working with in manually, it is nothing but unpredictable
>         pain.
>         >
>         > In addition to the uncertainty that buildout and
>         mr.developer already
>         > put into our CI setup, you just introduced another one.
>         >
>         > I think we should try to find another way to solve this
>         problem. I'm not
>         > sure if we still take "mockup should be used outside Plone"
>         seriously.
>         > Though, in any case I think we should test and release
>         mockup
>         > separately. What if the mockup CI system (travis?) creates a
>         new release
>         > if all unit tests pass. The Plone CI could pick up the
>         latest release
>         > and we would just have to make sure the travis job triggers
>         the Jenkins
>         > CI. Plone would just install the latest mockup development
>         version via
>         > bower.
>         
>         
>         Sorry, I mixed things up with the CI pipeline for my current
>         project. :)
>         
>         We do not want to run npm/bower on our Jenkins job. Therefore
>         we would
>         need a Python egg for each mockup commit that can be picked up
>         by the
>         Jenkins job instead of a bower release. I guess we could set
>         up a
>         private pypi for that if necessary.
>         
>         Cheers,
>         Timo
>         
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