ajout de Sheebr + support de shutdown + auto install kernel

rootfs overrides/usr/bin/sheebr.js

@@ -0,0 +1,60 @@
+const { Lexer } = require('../lib/sheebr/lexer')
+const { getline } = require('../lib/sheebr/utils')
+const fs = require('fs')
+const environment = require('../lib/sheebr/environment')
+const readline = require('readline').createInterface({
+    input: process.stdin,
+    output: process.stdout,
+    terminal: false
+});
+const readlineSync = require('../lib/sheebr/readLineSync')
+let execSync = require('child_process').execSync
+
+
+let current_dir = process.cwd()
+
+start()
+
+async function start(){
+    while(true){
+        input = await getline("sheebr> ");
+        if(input == "exit") break;
+        else evaluate(input);
+    }
+}
+
+function evaluate(input){
+    let lexer = new Lexer(input)
+    args = lexer.scanTokens()
+
+    if(args[0] == "cd"){
+        if(args.length != 2){
+            console.log("Wrong number of arguments"); return;}
+        if(!fs.existsSync(args[1])){console.log("Folder does not exist"); return;}
+        current_dir = args[1][0] == "/" ? args[1] : current_dir + '/' + args[1];
+        console.log(current_dir)
+        return;
+    }
+    // check for all folders in path
+
+    let found = false;
+    for(let path of environment.path){
+        let tobreak = false;
+        const files = fs.readdirSync(path);
+        if(files.includes(`${args[0]}.js`)){
+            found = true;
+            script = execSync(`node ${path + '/' + args[0]}.js ${args.map(arg => {return arg.includes(' ') ? `"${arg}"` : arg}).join(' ')}`, {cwd: current_dir});
+            process.stdout.write(script)
+            tobreak = true;
+        }
+
+        if(tobreak) break;
+    }
+    if(!found){
+        console.log("Program not found")
+    }
+    let program = args[0]
+}
+
+
+