Some initial progress

.gitignore

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+*.log
+node_modules

Makefile

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+export PATH := bin:$(PATH)
+
+.PHONY: build-image
+build-image:
+	docker build . -f docker/Dockerfile.build -t riju:build
+
+.PHONY: build-shell
+build-shell: build-image
+	docker run -it --rm -v $(PWD):/src riju:build

bin/docker

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ "${OSTYPE:-}" != darwin* ]] && [[ "${EUID}" != 0 ]]; then
+    exec sudo -E docker "$@"
+else
+    exec docker "$@"
+fi

build/debug.js

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+const fs = require("fs").promises;
+const process = require("process");
+
+const YAML = require("yaml");
+
+async function main() {
+  const args = process.argv.slice(2);
+
+  if (args.length !== 1) {
+    console.error("usage: debug.js LANG");
+    process.exit(1);
+  }
+
+  const [lang] = args;
+
+  console.log(
+    JSON.stringify(
+      YAML.parse(await fs.readFile(`langs/${lang}.yaml`, "utf-8")),
+      null,
+      2
+    )
+  );
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});

docker/Dockerfile.build

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+FROM ubuntu:rolling
+
+COPY docker/scripts/build/install.bash /tmp/
+RUN /tmp/install.bash
+
+WORKDIR /src
+COPY docker/scripts/build/pid1.bash /usr/local/sbin/
+ENTRYPOINT ["/usr/local/sbin/pid1.bash"]
+CMD ["bash"]

docker/scripts/build/install.bash

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+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+export DEBIAN_FRONTEND=noninteractive
+
+apt-get update
+(yes || true) | unminimize
+
+apt-get install -y curl gnupg lsb-release
+
+curl -sSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -
+curl -sSL https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
+
+ubuntu_ver="$(lsb_release -rs)"
+ubuntu_name="$(lsb_release -cs)"
+
+node_repo="$(curl -sS https://deb.nodesource.com/setup_current.x | grep NODEREPO= | grep -Eo 'node_[0-9]+\.x' | head -n1)"
+
+tee -a /etc/apt/sources.list.d/custom.list >/dev/null <<EOF
+deb https://deb.nodesource.com/${node_repo} ${ubuntu_name} main
+deb https://dl.yarnpkg.com/debian/ stable main
+EOF
+
+apt-get update
+apt-get install -y fakeroot less make man nodejs yarn
+
+rm -rf /var/lib/apt/lists/*
+
+rm "$0"

docker/scripts/build/pid1.bash

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+groupadd -g "$(stat -c %g "$PWD")" -o -p '!' -r riju
+useradd -u "$(stat -c %u "$PWD")" -g "$(stat -c %g "$PWD")" -o -m -N -l -s /usr/bin/bash riju
+
+exec runuser -u riju -g riju "$@"

langs/python.yaml

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+id: python
+aliases:
+  - py
+  - python2
+  - python3
+name: Python
+monacoLang: python
+
+install:
+  apt:
+    - python3
+    - python3-pip
+  pip:
+    - black
+  manual:
+    - |
+      xml="$(curl -sSL "https://pvsc.blob.core.windows.net/python-language-server-stable?restype=container&comp=list&prefix=Python-Language-Server-linux-x64")"
+      nupkg="$(echo "$xml" | grep -Eo 'https://[^<]+\.nupkg' | tail -n1)"
+      wget "${nupkg}"
+      unzip -d /opt/mspyls Python-Language-Server-linux-x64.*.nupkg
+      chmod +x /opt/mspyls/Microsoft.Python.LanguageServer
+      ln -s /opt/mspyls/Microsoft.Python.LanguageServer /usr/local/bin/Microsoft.Python.LanguageServer
+
+repl: >-
+  python3 -u
+main: "main.py"
+template: |
+  print("Hello, world!")
+run: "python3 -u -i main.py"
+scope:
+  code: |
+    x = 123 * 234
+
+format:
+  run: >-
+    black -
+  input: |
+    print('Hello, world!')
+
+pkg:
+  install: "pip3 install --user NAME"
+  uninstall: "pip3 uninstall NAME"
+  search: >-
+    python3 -c 'import json; from xmlrpc import client; print(json.dumps(client.ServerProxy("https://pypi.org/pypi").search({"name": "NAME"})))' | jq -r 'map(.name) | .[]'
+
+lsp:
+  start: "Microsoft.Python.LanguageServer"
+  init:
+    interpreter:
+      properties:
+        InterpreterPath: "/usr/bin/python3"
+    code: |
+      import func
+    item: "functools"

package.json

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+{
+  "name": "riju",
+  "version": "0.0.0",
+  "license": "MIT",
+  "private": true,
+  "dependencies": {
+    "yaml": "^1.10.0"
+  }
+}

yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+yaml@^1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.10.0.tgz#3b593add944876077d4d683fee01081bd9fff31e"
+  integrity sha512-yr2icI4glYaNG+KWONODapy2/jDdMSDnrONSjblABjD9B4Z5LgiircSt8m8sRZFNi08kG9Sm0uSHtEmP3zaEGg==