.gitignore

@@ -1,3 +1,7 @@
+reseau
+context
+bac_a_sable
+
 # ---> macOS
 # General
 .DS_Store
@@ -5,7 +9,8 @@
 .LSOverride
 
 # Icon must end with two \r
-Icon
+Icon
+
 
 # Thumbnails
 ._*
@@ -201,4 +206,3 @@ cython_debug/
 
 # PyPI configuration file
 .pypirc
-.pypirc

.zed/settings.json

@@ -0,0 +1,12 @@
+// Folder-specific settings
+//
+// For a full list of overridable settings, and general information on folder-specific settings,
+// see the documentation: https://zed.dev/docs/configuring-zed#settings-files
+{
+  "inlay_hints": {
+    "enabled": true
+  },
+  "colorize_brackets": true,
+  "project_name": "PMO Crazy Coder",
+  "autosave": "on_window_change",
+}

Dockerfile

@@ -0,0 +1,83 @@
+# Dockerfile
+FROM python:3.11-slim
+
+# Ajouter le dépôt Debian Testing pour les paquets plus récents
+RUN echo "deb http://deb.debian.org/debian testing main" \
+    > /etc/apt/sources.list.d/testing.list
+
+# Création d'un utilisateur programmeur avec UID 1000 et home dans /home/programmer
+RUN useradd -u 1000 -m -d /home/programmer -s /bin/bash programmer
+
+WORKDIR /app
+
+# Installer les outils de développement Go et Rust
+RUN apt-get update && \
+    apt-get install -y \
+    clang \
+    llvm-dev \
+    libclang-dev \
+    pkg-config \
+    build-essential \
+    git \
+    make \
+    curl \
+    nodejs \
+    npm \
+    pylint \
+    black \
+    flake8 \
+    mypy \
+    isort \
+    logrotate
+
+COPY tools tools
+
+# Installer la dernière version de Go
+RUN bash tools/install_latest_go.sh
+ENV PATH=/usr/local/go/bin:$PATH
+
+# Installer la dernière version de Rust
+ENV RUSTUP_HOME=/usr/local/rustup
+ENV CARGO_HOME=/usr/local/cargo
+ENV PATH=/usr/local/cargo/bin:$PATH
+RUN curl https://sh.rustup.rs -sSf \
+    | sh -s -- -y --default-toolchain stable \
+    && rustup install nightly \
+    && rustup component add rustfmt clippy rust-src rust-docs \
+    && cargo install cargo-edit cargo-watch cargo-outdated cargo-make cargo-binstall
+
+# Installer la dernière version de typscript
+RUN npm install -g typescript tsc @types/node eslint prettier
+
+RUN cargo binstall --strategies crate-meta-data jj-cli
+
+# Installer le SDK MCP Python
+RUN pip install --no-cache-dir ruff fastmcp ipython
+
+RUN curl -fsSL https://opencode.ai/install | bash \
+    && mv /root/.opencode/bin/opencode /usr/local/bin/
+
+# Copier le serveur
+COPY src .
+
+# Copier le script de démarrage
+COPY docker_startup.sh .
+COPY opencode.json ~/.config/opencode
+
+# Exposer le port
+EXPOSE 7860
+ENV OLLAMA_ADDR="http://host.docker.internal:11434"
+
+# Rendre le script exécutable et lancer le serveur
+RUN chmod +x docker_startup.sh
+RUN mkdir /sandbox /log \
+    && chown programmer:programmer /sandbox /log
+
+# Création de la configuration logrotate
+COPY logrotate-config /etc/logrotate.d/mcp-logs
+
+# Changer l'utilisateur pour programmeur
+USER programmer
+RUN  mkdir -p /home/programmer/.config/opencode
+COPY opencode.json /home/programmer/.config/opencode
+CMD ["./docker_startup.sh"]

Makefile

@@ -0,0 +1,36 @@
+.PHONY: build run all debug
+
+# Variables
+IMAGE_NAME = pmo_crazy_coder
+TAG = latest
+PORT = 7860
+SANDBOX_VOLUME = "./bac_a_sable"
+CONTAINER_NAME = $(IMAGE_NAME)
+DOCKER_RUN_COMMON = --rm -p $(PORT):$(PORT) -v $(SANDBOX_VOLUME):/sandbox --name $(CONTAINER_NAME)
+FULL_IMAGE_NAME = $(IMAGE_NAME):$(TAG)
+
+all: run
+
+$(SANDBOX_VOLUME):
+	mkdir -p $(SANDBOX_VOLUME)
+
+stampdir:
+	mkdir -p stamp
+
+stamp/build_PMOCrazyCoder: stampdir Dockerfile
+	@echo building the PMOCrazyCoder server
+	@docker build -t $(FULL_IMAGE_NAME) .
+	@touch $@
+
+build: stamp/build_PMOCrazyCoder
+run: build $(SANDBOX_VOLUME)
+	@echo Launching the PMOCrazyCoder MCP server
+	@docker run $(DOCKER_RUN_COMMON) \
+               -it \
+				$(FULL_IMAGE_NAME)
+
+debug: build $(SANDBOX_VOLUME)
+	@echo Launching the PMOCrazyCoder MCP server in debug mode
+	@docker run $(DOCKER_RUN_COMMON) \
+	     	   -it \
+				$(FULL_IMAGE_NAME) /bin/bash

Notes/jj_to_json.md

@@ -0,0 +1,55 @@
+```bash
+jj log | orla agent -m  ollama:qwen3:0.6b   \
+  "
+Transform the following `jj log` output into JSON according to the given schema.
+
+**Return only valid JSON, without any Markdown formatting :**
+    - no backticks, 
+    - no code blocks, 
+    - no extra text
+
+Schema:
+{
+  \"type\": \"array\",
+  \"items\": {
+    \"type\": \"object\",
+    \"properties\": {
+      \"hash\": {\"type\": \"string\"},
+      \"author\": {\"type\": \"string\"},
+      \"date\": {\"type\": \"string\"},
+      \"message\": {\"type\": \"string\"}
+    },
+    \"required\": [\"hash\", \"author\", \"date\", \"message\"]
+  }
+}
+" | grep -v '```' | jq .
+```
+
+```json
+[
+  {
+    "hash": "252b5de3",
+    "author": "nrrwwpms",
+    "date": "2026-01-25 17:36:18",
+    "message": "(no description set)"
+  },
+  {
+    "hash": "9f9d9bc3",
+    "author": "stxkzlul",
+    "date": "2026-01-25 12:08:12",
+    "message": "Ajout de Dockerfile et configuration MCP"
+  },
+  {
+    "hash": "7412b51a",
+    "author": "xnrxukn",
+    "date": "2026-01-25 07:53:42",
+    "message": "Initial commit"
+  }
+]
+```
+
+
+Ok, on va essayer de développer un outil un peu plus avancé.
+Dans le fichier @src/sandbox/__init__.py Nous allons créer une fonction jj_log.
+Cette fonction prendra en paramètres:
+- un projet

docker_startup.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Docker Startup Script for MCP Server and Open Code
+# This script launches the MCP server in background and starts Open Code in interactive mode
+
+echo "Starting MCP server in background..."
+python3 PMOCrazyCoder.py >/log/server.log 2>&1 &
+
+# Give the server a moment to start
+sleep 3
+
+echo "Starting Open Code in interactive mode..."
+opencode

logrotate-config

@@ -0,0 +1,13 @@
+/log/server.log /log/opencode.log {
+    daily
+    rotate 5
+    compress
+    delaycompress
+    missingok
+    notifempty
+    create 644 programmer programmer
+    sharedscripts
+    postrotate
+        # No restart needed for log files
+    endscript
+}

opencode.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "mcp": {
+    "PMO-Crazy-coder": {
+      "type": "remote",
+      "url": "http://localhost:7860/mcp"
+    }
+  }
+}

src/PMOCrazyCoder.py

@@ -0,0 +1,37 @@
+from crazy_mcp import Context, mcp
+from crazy_mcp.tools import *
+
+
+# Déclaration d'un outil
+@mcp.tool(description="Renvoie le texte reçu")
+def echo_texte(texte: str) -> str:
+    return f"Écho du serveur : {texte} mec"
+
+
+# Déclaration d'un second outil pour démonstration
+@mcp.tool(description="Renvoie le texte en majuscules")
+def shout_texte(texte: str) -> str:
+    return texte.upper()
+
+
+# Déclaration d'un outil pour additionner deux nombres
+@mcp.tool(description="Additionne deux nombres")
+def additionner(a: float, b: float) -> float:
+    return a + b
+
+
+@mcp.tool
+async def increment(ctx: Context) -> tuple[int, str]:
+    count = ctx.get_state("count") or 0
+    ctx.set_state("count", count + 1)
+    return count + 1, ctx.session_id
+
+
+# Lancement du serveur MCP
+if __name__ == "__main__":
+    mcp.run(
+        transport="http",  # Transport réseau HTTP
+        host="0.0.0.0",  # Adresse d’écoute
+        port=7860,  # Port TCP
+        path="/mcp",  # Chemin MCP (par défaut /mcp)
+    )

src/crazy_mcp/__init__.py

@@ -0,0 +1,3 @@
+from fastmcp import Context, FastMCP
+
+mcp = FastMCP("PMO Crazy coder")

src/crazy_mcp/tools/__init__.py

@@ -0,0 +1,2 @@
+from .jj import *
+from .sandbox import *

src/crazy_mcp/tools/jj.py

@@ -0,0 +1,33 @@
+from crazy_mcp import Context, mcp
+from jujutsu import jj_log
+from sandbox import get_active_project, get_project_path
+
+
+@mcp.tool(description="Get the commit history for a project")
+def jj_log_tool(project_name: str | None = None, ctx: Context = None) -> dict:
+    """
+    Get the commit history for a project.
+
+    Args:
+        project_name (str, optional): The name of the project. If None, uses the active project.
+        ctx (Context): The MCP context object containing session information
+
+    Returns:
+        dict: The commit history as JSON structure
+    """
+    # If no project name is provided, try to get the active project
+    if project_name is None:
+        if ctx is None:
+            raise ValueError("ctx is required when project_name is None")
+
+        project_info = get_active_project(ctx.session_id)
+        if project_info is None:
+            raise ValueError("No active project set and no project name provided")
+        project_path = project_info[1]
+    else:
+        project_path = get_project_path(project_name)
+        if project_path is None:
+            raise ValueError(f"Project '{project_name}' not found")
+
+    # Call the jj_log function from jujutsu module
+    return jj_log(project_path)

src/crazy_mcp/tools/sandbox.py

@@ -0,0 +1,89 @@
+from crazy_mcp import Context, mcp
+from sandbox import (
+    get_active_project,
+    install_project,
+    remove_project,
+    sandboxed_project_list,
+    set_active_project,
+)
+
+
+@mcp.tool(
+    description="Clone a Git repository into the sandbox. Note: Access to the cloned project is only possible through MCP tools of this server. WARNING: This operation creates a sandboxed environment that prevents direct filesystem access to the project contents. Any attempt to access project files outside of the MCP tools will be blocked by security restrictions."
+)
+def install_project_tool(url: str, project_name: str = None) -> str:
+    """
+    Install a Git project into the sandbox environment.
+
+    Args:
+        url: The Git repository URL to clone
+        project_name: Optional project name (if None, derived from URL)
+
+    Returns:
+        str: Confirmation message with project name
+    """
+    project_name = install_project(url, project_name)
+    return f"Project '{project_name}' installed successfully in sandbox"
+
+
+@mcp.tool(
+    description="Remove a project from the sandbox. Note: Access to the cloned project is only possible through MCP tools of this server. WARNING: This operation removes the entire project sandboxed environment and all associated security restrictions will be enforced."
+)
+def remove_project_tool(project_name: str) -> str:
+    """
+    Remove a project from the sandbox environment.
+
+    Args:
+        project_name (str): The name of the project to remove
+
+    Returns:
+        str: Confirmation message with project name
+    """
+    success = remove_project(project_name)
+    if success:
+        return f"Project '{project_name}' removed successfully from sandbox"
+    else:
+        return f"Failed to remove project '{project_name}' from sandbox"
+
+
+@mcp.tool(
+    description="List all projects available in the sandbox. Note: Direct filesystem access to project contents is forbidden. All project interactions must be done through MCP tools."
+)
+def list_sandboxed_projects() -> list:
+    """
+    Get a list of all projects available in the sandbox.
+
+    Returns:
+        list: A list of project names
+    """
+    return sandboxed_project_list()
+
+
+@mcp.tool(description="Set the active project for a given session ID")
+def set_active_project_tool(project_name: str, ctx: Context) -> bool:
+    """
+    Set the active project for a given session ID.
+
+    Args:
+        project_name (str): The name of the project to set as active
+        ctx (Context): The MCP context object containing session information
+
+    Returns:
+        bool: True if successful, False if the project doesn't exist
+    """
+    return set_active_project(ctx.session_id, project_name)
+
+
+@mcp.tool(description="Get the active project for a given session ID")
+def get_active_project_tool(ctx: Context) -> tuple[str, str] | None:
+    """
+    Get the active project for a given session ID.
+
+    Args:
+        ctx (Context): The MCP context object containing session information
+
+    Returns:
+        tuple: (project_name, project_path) if session exists, None otherwise
+    """
+    project_info = get_active_project(ctx.session_id)
+    return project_info

src/json_extract/__init__.py

@@ -0,0 +1,51 @@
+import json
+import re
+
+from ollama import prompt
+
+
+def structure_to_json(text, schema):
+    """
+    Convert structured text to JSON using Ollama.
+
+    Args:
+        text (str): The structured text to convert
+        schema (dict): The JSON schema to use for conversion
+
+    Returns:
+        dict: The parsed JSON object
+    """
+    # Format the schema as JSON string
+    schema_json = json.dumps(schema, indent=2)
+
+    # Create the prompt following the pattern from your bash command
+    full_prompt = f"""Transform the following structured text into JSON according to the given schema.
+
+**Return only valid JSON, without any Markdown formatting :**
+    - no backticks,
+    - no code blocks,
+    - no extra text
+
+Input text:
+{text}
+
+Schema:
+{schema_json}"""
+
+    # Send to Ollama
+    response = prompt("qwen3:0.6b", full_prompt, allow_pull=True)
+
+    # Remove any markdown formatting (backticks, code blocks) that Ollama might include
+    # Only remove backticks at the beginning or end of the response, not those within the JSON
+    clean_response = response.strip()
+    while clean_response.startswith("`") or clean_response.startswith("```"):
+        clean_response = clean_response[1:].strip()
+    while clean_response.endswith("`") or clean_response.endswith("```"):
+        clean_response = clean_response[:-1].strip()
+
+    # Try to parse the response as JSON
+    try:
+        return json.loads(clean_response)
+    except json.JSONDecodeError:
+        # If parsing fails, return the raw response
+        return {"error": "Failed to parse JSON", "raw_response": clean_response}

src/jujutsu/__init__.py

@@ -0,0 +1,39 @@
+import os
+from sys import implementation
+
+from json_extract import structure_to_json
+from jujutsu.command import jj_log as jj_log_command
+
+from .command import jj
+
+
+def jj_log(working_dir=None):
+    """
+    Execute jj log command for a project and return structured data as JSON.
+
+    Args:
+        project_path (str): The path of the project
+
+    Returns:
+        dict: JSON structure with commit history
+    """
+    # Execute jj log command with working_dir parameter
+    log_output = jj_log_command(working_dir=working_dir)
+
+    # Define the schema for the JSON structure
+    schema = {
+        "type": "array",
+        "items": {
+            "type": "object",
+            "properties": {
+                "hash": {"type": "string"},
+                "author": {"type": "string"},
+                "date": {"type": "string"},
+                "message": {"type": "string"},
+            },
+            "required": ["hash", "author", "date", "message"],
+        },
+    }
+
+    # Convert the text output to JSON using the schema
+    return structure_to_json(log_output, schema)

src/jujutsu/command.py

@@ -0,0 +1,103 @@
+import json
+import os
+import subprocess
+from typing import List, Optional
+
+
+def jj(
+    subcommand: str,
+    options: Optional[List[str]] = None,
+    args: Optional[List[str]] = None,
+    template: Optional[str] = None,
+    working_dir: Optional[str] = None,
+) -> str:
+    """
+    Lance une commande jj.
+
+    Args:
+        subcommand: La sous-commande jj (ex: 'log', 'status', 'diff')
+        options: Liste des options (ex: ['--limit', '5'])
+        args: Liste des arguments additionnels
+        template: Template jj à utiliser (ex: 'builtin_log_compact')
+        working_dir: Répertoire de travail optionnel
+
+    Returns:
+        str: sortie de la commande
+    """
+    cmd = ["jj", subcommand]
+
+    # Ajoute le template spécifié
+    if template:
+        cmd.extend(["--template", template])
+
+    if options:
+        cmd.extend(options)
+    if args:
+        cmd.extend(args)
+
+    # Si un répertoire de travail est spécifié, on le change temporairement
+    if working_dir is not None:
+        original_cwd = os.getcwd()
+        try:
+            os.chdir(working_dir)
+            result = subprocess.run(cmd, capture_output=True, text=True)
+        finally:
+            os.chdir(original_cwd)
+    else:
+        result = subprocess.run(cmd, capture_output=True, text=True)
+
+    if result.returncode != 0:
+        raise RuntimeError(
+            f"Commande jj échouée: {' '.join(cmd)}\nstderr: {result.stderr}"
+        )
+
+    return result.stdout
+
+
+def jj_log(options=None, args=None, template=None, working_dir: Optional[str] = None):
+    """
+    Execute jj log command with optional arguments.
+
+    Args:
+        options: List of options to pass to jj log (ex: ['--limit', '5'])
+        args: List of additional arguments
+        template: Template to use (ex: 'builtin_log_compact')
+        working_dir: Working directory for the command (optional)
+
+    Returns:
+        str: Output of the jj log command
+    """
+    return jj("log", options, args, template, working_dir=working_dir)
+
+
+def jj_clone(url, destination=None, options=None, working_dir: Optional[str] = None):
+    """
+    Execute jj git clone command.
+
+    Args:
+        url: The repository URL to clone
+        destination: The destination directory (optional)
+        options: List of additional options for jj git clone
+        working_dir: Working directory for the command (optional)
+
+    Returns:
+        str: Output of the jj git clone command
+    """
+    # For jj git clone, we build the full command and pass it to jj function
+    # The subcommand "git clone" is handled by jj itself
+    cmd_args = ["git", "clone", url]
+
+    if destination:
+        cmd_args.append(destination)
+
+    if options:
+        cmd_args.extend(options)
+
+    # Call the main jj function with subcommand "git clone"
+    return jj(
+        "git",
+        options=["clone", url],
+        args=destination,
+        template=None,
+        working_dir=working_dir,
+    )

src/ollama/__init__.py

@@ -0,0 +1,83 @@
+import os
+
+import requests
+
+# Get Ollama server address from environment variable, default to local address
+ollama_addr = os.environ.get("OLLAMA_ADDR", "http://host.docker.internal:11434")
+
+
+def prompt(model, text, allow_pull=False):
+    """
+    Send a prompt to Ollama server and return the response.
+
+    Args:
+        model (str): The model to use
+        text (str): The prompt text to send
+        allow_pull (bool): If True, automatically download the model if not available
+
+    Returns:
+        str: The response from the Ollama server
+    """
+    # Check if model is available
+    if allow_pull and not is_model_available(model):
+        # Try to pull the model
+        pull_result = pull_model(model)
+        if not pull_result.startswith("Model downloaded successfully"):
+            return pull_result  # Return error from pull
+
+    url = f"{ollama_addr}/api/generate"
+
+    payload = {"model": model, "prompt": text, "stream": False}
+
+    try:
+        response = requests.post(url, json=payload)
+        response.raise_for_status()
+        return response.json()["response"]
+    except requests.exceptions.RequestException as e:
+        return f"Error: {str(e)}"
+
+
+def pull_model(model_name, force=False):
+    """
+    Download a model from Ollama.
+
+    Args:
+        model_name (str): The name of the model to download
+        force (bool): If True, forces download even if model already exists
+
+    Returns:
+        str: Success message or error message
+    """
+    url = f"{ollama_addr}/api/pull"
+
+    payload = {"name": model_name}
+    if force:
+        payload["force"] = True
+
+    try:
+        response = requests.post(url, json=payload)
+        response.raise_for_status()
+        return "Model downloaded successfully"
+    except requests.exceptions.RequestException as e:
+        return f"Error downloading model: {str(e)}"
+
+
+def is_model_available(model_name):
+    """
+    Check if a model is available in Ollama.
+
+    Args:
+        model_name (str): The name of the model to check
+
+    Returns:
+        bool: True if model is available, False otherwise
+    """
+    url = f"{ollama_addr}/api/tags"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+        models = response.json().get("models", [])
+        return any(model.get("name") == model_name for model in models)
+    except requests.exceptions.RequestException:
+        return False

src/sandbox/__init__.py

@@ -0,0 +1,139 @@
+import os
+import re
+import shutil
+import subprocess
+from pathlib import Path
+
+from jujutsu.command import jj_clone
+
+__sandbox_root__ = "/sandbox"
+
+# Create the sandbox root directory if it doesn't exist
+os.makedirs(__sandbox_root__, exist_ok=True)
+
+# Dictionary to store session information (session_id -> (project_name, project_path))
+__session_projects__ = {}
+
+
+def get_sandbox_root():
+    """Return the sandbox root directory path."""
+    return __sandbox_root__
+
+
+def install_project(url, project_name=None):
+    """
+    Clone a Git project into the sandbox root directory.
+
+    Args:
+        url: The Git repository URL to clone
+        project_name: Optional project name (if None, derived from URL)
+
+    Returns:
+        str: The name of the cloned project
+    """
+    # If no project name is provided, derive it from the URL
+    if project_name is None:
+        # Extract project name from URL (e.g., from 'https://github.com/user/repo.git' get 'repo')
+        project_name = re.sub(r".*/([^/]+?)(?:\.git)?$", r"\1", url)
+
+    # Clone the repository using the working_dir parameter to ensure it's cloned in the sandbox
+    jj_clone(url, working_dir=__sandbox_root__)
+
+    return project_name
+
+
+def remove_project(project_name):
+    """
+    Remove a project from the sandbox.
+
+    Args:
+        project_name (str): The name of the project to remove
+
+    Returns:
+        bool: True if the project was removed successfully, False otherwise
+    """
+    project_path = os.path.join(__sandbox_root__, project_name)
+
+    try:
+        if os.path.exists(project_path):
+            shutil.rmtree(project_path)
+            return True
+        return False
+    except (OSError, PermissionError):
+        return False
+
+
+def sandboxed_project_list():
+    """
+    List all projects available in the sandbox.
+
+    Returns:
+        list: A list of project names (strings)
+    """
+    projects = []
+    try:
+        with os.scandir(__sandbox_root__) as entries:
+            for entry in entries:
+                if entry.is_dir():
+                    projects.append(entry.name)
+    except (OSError, PermissionError):
+        # Return empty list if we can't access the directory
+        pass
+
+    return projects
+
+
+def set_active_project(session_id, project_name):
+    """
+    Set the active project for a given session ID.
+
+    Args:
+        session_id (str): The session identifier
+        project_name (str): The name of the project to set as active
+
+    Returns:
+        bool: True if successful, False if the project doesn't exist
+    """
+    # Check if the project exists
+    projects = sandboxed_project_list()
+    if project_name not in projects:
+        return False
+
+    # Get the project path
+    project_path = os.path.join(__sandbox_root__, project_name)
+
+    # Store the project information in the session dictionary
+    __session_projects__[session_id] = (project_name, project_path)
+
+    return True
+
+
+def get_project_path(project_name):
+    """
+    Get the path of a project on the disk.
+
+    Args:
+        project_name (str): The name of the project
+
+    Returns:
+        str: The full path to the project directory
+    """
+    return os.path.join(__sandbox_root__, project_name)
+
+
+def get_active_project(session_id):
+    """
+    Get the active project for a given session ID.
+
+    Args:
+        session_id (str): The session identifier
+
+    Returns:
+        tuple: (project_name, project_path) if session exists, None otherwise
+    """
+    # Check if the session ID exists
+    if session_id not in __session_projects__:
+        return None
+
+    # Return the project information
+    return __session_projects__[session_id]

test.py

@@ -0,0 +1,7 @@
+import requests
+
+url = "http://localhost:6666"  # point d'entrée principal
+payload = {"tool": "echo", "input": {"text": "Bonjour MCP!"}}
+
+resp = requests.post(url, json=payload)
+print(resp.json())  # {"echo": "Bonjour MCP!"} attendu

tools/install_latest_go.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+URL="https://go.dev/dl/"
+
+OS=$(uname -a | awk '{print $1}')
+ARCH=$(uname -m)
+
+if [[ "$ARCH" == "x86_64" ]] ; then
+    ARCH="amd64"
+fi
+
+if [[ "$ARCH" == "aarch64" ]] ; then
+    ARCH="arm64"
+fi
+
+GOFILE=$(curl "$URL" \
+            | grep 'class="download"' \
+            | grep "\.tar\.gz" \
+            | sed -E 's@^.*/dl/(go[1-9].+\.tar\.gz)".*$@\1@' \
+            | grep -i "$OS" \
+            | grep -i "$ARCH" \
+            | head -1)
+
+GOURL=$(curl "${URL}${GOFILE}" \
+        | sed -E 's@^.*href="(.*\.tar\.gz)".*$@\1@')
+
+echo "Install GO from : $GOURL" 1>&2
+
+mkdir -p /usr/local
+cd /usr/local
+
+curl "$GOURL" \
+    | tar zxf -