Allow arara to run in docker

[AlexandreBossard]

I've used this extension and its docker feature (Not using remote - container extension) with latexmk wihout any issues. I'm willing to replace latexmk by arara but the Workshop extension is not allowing arara to run in a docker

[10:21:19] RECIPES command invoked.
[10:21:19] BUILD command invoked.
[10:21:19] Cannot start to build because the active editor is undefined.
[10:21:22] Current workspace folders: ["file:///home/alex/workbox/thesis"]
[10:21:22] Found root file from active editor: /home/alex/workbox/thesis/main.tex
[10:21:22] Keep using the same root file: /home/alex/workbox/thesis/main.tex
[10:21:24] RECIPES command invoked.
[10:21:24] BUILD command invoked.
[10:21:24] The document of the active editor: file:///home/alex/workbox/thesis/main.tex
[10:21:24] The languageId of the document: latex
[10:21:24] Current workspace folders: ["file:///home/alex/workbox/thesis"]
[10:21:24] Found root file from active editor: /home/alex/workbox/thesis/main.tex
[10:21:24] Keep using the same root file: /home/alex/workbox/thesis/main.tex
[10:21:24] Building root file: /home/alex/workbox/thesis/main.tex
[10:21:24] Build root file /home/alex/workbox/thesis/main.tex
[10:21:24] outDir: /home/alex/workbox/thesis/output
[10:21:24] Will not use Docker to invoke the command: arara
[10:21:24] Recipe step 1: arara
[10:21:24] Recipe step 1 args: ["--verbose"]
[10:21:24] Recipe step env: {}
[10:21:24] cwd: /home/alex/workbox/thesis
[10:21:24] LaTeX build process spawned. PID: undefined.
[10:21:24] LaTeX fatal error: spawn arara ENOENT, . PID: undefined.
[10:21:24] Does the executable exist? $PATH: xxxx
[10:21:24] Does the executable exist? $Path: undefined
[10:21:24] The environment variable $SHELL: /bin/bash

Will it be possible to add arara to the allowed command ?

[tuetenk0pp]

I assume this would be achieved by adding the respective files in /scripts. Can you confirm this @James-Yu?

/scripts/arara

#!/bin/sh
docker run -i --rm -w "$(pwd)" -v "$(pwd):$(pwd)" $LATEXWORKSHOP_DOCKER_LATEX arara "$@"

/scripts/arara.bat

@docker run -i --rm -w /data -v "%cd%:/data" %LATEXWORKSHOP_DOCKER_LATEX% arara %*

I would be happy to make a PR.