Snapcraft and Java - experimental

[Alexander Sack]

On Wed, Aug 5, 2015 at 5:05 AM, Ricardo Salveti de Araujo
<ricardo.salveti at canonical.com> wrote:
> Also adding snappy-devel.
>
> We just merged quite a few useful merge requests today, including one
> that extends our current documentation for it.
>
> The project can be found at https://launchpad.net/snapcraft, and we
> also have one PPA at
> https://launchpad.net/~snappy-dev/+archive/ubuntu/snapcraft-daily that
> includes the latest Ubuntu packages for Snapcraft (in case you want to
> give it a try).
>
> Please check the following links for further information (we should
> have a page at https://developer.ubuntu.com/snappy soon as well):
> http://bazaar.launchpad.net/~snappy-dev/snapcraft/core/view/head:/README.md
> http://bazaar.launchpad.net/~snappy-dev/snapcraft/core/view/head:/docs/intro.md
> http://bazaar.launchpad.net/~snappy-dev/snapcraft/core/view/head:/docs/tutorial.md

FWIW, the tutorial.md link seems broken, but found
http://bazaar.launchpad.net/~snappy-dev/snapcraft/core/view/head:/docs/your-first-snap.md
which seems to have the tutorial!

Looks great!

>
> There are a few interesting examples already at
> http://bazaar.launchpad.net/~snappy-dev/snapcraft/core/files/head:/examples/.
> By calling snapcraft under an example folder you can get the feeling
> about what is happening underneath.
>
> We are also actively working on producing a container that will offer
> a snapcraft development environment by default (hopefully to be
> released over the next few days), so you can easily run snapcraft at
> your target.
>
> Enjoy!
>
> On Mon, Aug 3, 2015 at 10:45 PM, Mark Shuttleworth <mark at ubuntu.com> wrote:
>>
>> The two core ideas for snapcraft are:
>>
>> First, a universal meta-build system that allows you to pull together
>> wildly different types of source code and build your app together with
>> all its dependencies. So for example you might download and build the
>> javascript runtime you want, together with the JRE and various Java
>> files, adding in a bunch of python for a sub-command and Go for another.
>> snapcraft lets you define handlers for classes of content, and it comes
>> with handlers for common project types like "github automake projects"
>> or "go projects" or "apache maven projects". Each of these can have
>> completely different build systems or make files; the handler takes care
>> of all that.
>>
>> We know that most cool stuff is moving far faster than the packaging
>> system, so snapcraft is designed to work directly from source wherever
>> you need, handling every type of source project from github or
>> elsewhere, and then mix in debs where that makes sense. We took a lot of
>> inspiration from the catkin tools in the ROS project, and we're keen for
>> feedback from the widest audience. Just yesterday we had a good bug
>> report asking for a cleanroom build as well as cross-build support,
>> which is very useful insight.
>>
>> Second, in order to enable people to go faster, we want to have a
>> library of pre-defined upstream source "parts". In snapcraft you
>> describe each of these parts, defining which handler to use and any
>> parameters like the version control URL and tag to use. We figure it
>> would be most useful to have many of those defined in a shared space, as
>> parts that you can just invoke by name. So "libreadline" as a named part
>> in your snap would be the source equivalent of "apt-get install
>> libreadline-dev". This idea of an apt-like system for commonly shared
>> source parts is particularly cool.
>>
>> Happy snappying,
>> Mark
>>
>> On 03/08/15 10:12, Maarten Ectors wrote:
>>> Many developers are surprised to see how easy it is to create a hello world
>>> Snappy App. However when you go and create a complex application, packaging
>>> it as a Snap becomes harder. This is why we launched Snapcraft
>>> <https://launchpad.net/snapcraft>. Snapcraft allows anybody to create
>>> plugins to support their favourite programming language, platform,
>>> packaging solution, etc. Snapcraft is still experimental but with your help
>>> we can make it super easy for anybody to create snaps in any language and
>>> for any platform.
>>>
>>> As a preview here you can see how easy it is to package a JDK, Tomcat and
>>> your favourite war:
>>> https://insights.ubuntu.com/2015/08/03/java-on-snappy/
>>>
>>> If you like Snapcraft, please upvote the blog post on Hacker News:
>>> https://news.ycombinator.com/item?id=9994563
>>>
>>
>>
>>
>> --
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>
>
>
> --
> Ricardo Salveti de Araujo
>
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