Haskell Installation for Theia-Full

[lapplislazuli]

Hi there,

as shortly discussed in #478,
I added steps necessary to install Haskell and primary build-tools to theia-full-docker.
That is

• GHC (the compiler)
• Cabal (Similar to Java's maven)
• Stack (Maven+Virtual Environments per Project)
• GHCup (Small helper to keep everything up to date).

I tried specify the versions with Args and defaulted them to current latest.

I also (for myself) have a small repo where I have it similar to the theia-cpp-docker, if you'd prefer it contributed as another separate image.

[vince-fugnitto]

@lapplislazuli thank you for the contribution, please be sure to add a sign-off to your commit so it passes the DCO check 👍

I noticed you updated the environment and built tools for haskell support, shouldn't we also add a corresponding extension? (ex: https://open-vsx.org/extension/haskell/haskell)

[lapplislazuli]

@vince-fugnitto Thanks for the quick answer, I added the signoff 😄
I think that would be a good remark in the CONTRIBUTING.md

I think the Haskell Extension would be great - but I must admit I have no clue how to add it.

[vince-fugnitto]

I think that would be a good remark in the CONTRIBUTING.md

I thought it was there, but maybe it's only for the main eclipse theia repository:

• https://github.com/eclipse-theia/theia/blob/master/CONTRIBUTING.md#sign-your-work

We can definitely add it :)

I think the Haskell Extension would be great - but I must admit I have no clue how to add it.

You simply need to reference the extension at a compatible version in the latest.package.json and next.package.json like so:

theia-apps/theia-full-docker/next.package.json

Line 129 in d329db2

"vscode-go": "https://open-vsx.org/api/golang/Go/0.16.2/file/golang.Go-0.16.2.vsix",

theia-apps/theia-full-docker/latest.package.json

Line 129 in d329db2

"vscode-go": "https://open-vsx.org/api/golang/Go/0.16.2/file/golang.Go-0.16.2.vsix",

The extensions listed as part of the application are bundled and readily available for all users using the application.

The version 1.2.0 should be API compatible (based on it's engines.vscode).
The framework currently supports an API of 1.50,0.

Please be sure that the requirements are met in the actual dockerfile: https://open-vsx.org/extension/haskell/haskell#requirements.

[lapplislazuli]

Hi @vince-fugnitto ,

I have looked around the Haskell Plugins, the "biggest" (and soon-to-be best) plugin is yet in an too early state. I'll keep an eye open for it, but at the moment some of the integration is not done.
I hence added a very lightweight addon that just highlights syntax.

[marcdumais-work]

License looks good: BSD-3-Clause 👍

[stale]

This contribution has been automatically marked as stale due to inactivity, and it will be closed if no further activity occurs. Thank you for contributing to Theia!

[marcdumais-work]

Hi @lapplislazuli ,

Sorry, thie PR fell through the cracks. Do you know if the Haskell extension you mention has been improved since May? If you, maybe you could add it?