pkg(dart-2.12.1): Added dart 2.12.1

api/.eslintrc.json

@@ -1,40 +0,0 @@
-{
-    "env": {
-        "commonjs": true,
-        "es2021": true,
-        "node": true
-    },
-    "plugins": [
-        "snakecasejs"
-    ],
-    "extends": "eslint:recommended",
-    "parser": "babel-eslint",
-    "parserOptions": {
-        "ecmaVersion": 12
-    },
-    "settings":
-    {
-        "snakecasejs/filter": ["ClassDeclaration", "NewExpression"],
-        "snakecasejs/whitelist": []
-    },
-    "rules": {
-        "indent": [
-            "error",
-            4
-        ],
-        "linebreak-style": [
-            "error",
-            "unix"
-        ],
-        "quotes": [
-            "error",
-            "single"
-        ],
-        "semi": [
-            "error",
-            "always"
-        ],
-        "no-unused-vars": ["error", { "argsIgnorePattern": "^_"}],
-        "snakecasejs/snakecasejs": "warn"
-    }
-}

api/Dockerfile

@@ -1,12 +1,12 @@
 FROM node:15.8.0-buster-slim
 RUN dpkg-reconfigure -p critical dash
-RUN apt-get update && apt-get install -y libxml2 gnupg tar coreutils util-linux \
-  && rm -rf /var/lib/apt/lists/*
-
 RUN for i in $(seq 1001 1500); do \
         groupadd -g $i runner$i && \
         useradd -M runner$i -g $i -u $i ; \
     done
+RUN apt-get update && \
+    apt-get install -y libxml2 gnupg tar coreutils util-linux libc6-dev binutils && \
+    rm -rf /var/lib/apt/lists/*
 
 ENV NODE_ENV=production
 WORKDIR /piston_api
@@ -15,4 +15,4 @@ RUN yarn
 COPY ./src ./src
 
 CMD [ "node", "src", "-m", "-c", "/piston/config.yaml"]
-EXPOSE 6969/tcp
+EXPOSE 6969/tcp

api/package.json

@@ -1,25 +1,20 @@
 {
-  "name": "piston-api",
+    "name": "piston-api",
-  "version": "3.0.0",
+    "version": "3.0.0",
-  "description": "API for piston - a high performance code execution engine",
+    "description": "API for piston - a high performance code execution engine",
-  "main": "src/index.js",
+    "main": "src/index.js",
-  "dependencies": {
+    "dependencies": {
-    "body-parser": "^1.19.0",
+        "body-parser": "^1.19.0",
-    "express": "^4.17.1",
+        "express": "^4.17.1",
-    "express-validator": "^6.10.0",
+        "express-validator": "^6.10.0",
-    "is-docker": "^2.1.1",
+        "is-docker": "^2.1.1",
-    "js-yaml": "^4.0.0",
+        "js-yaml": "^4.0.0",
-    "logplease": "^1.2.15",
+        "logplease": "^1.2.15",
-    "nocamel": "HexF/nocamel#patch-1",
+        "nocamel": "HexF/nocamel#patch-1",
-    "node-fetch": "^2.6.1",
+        "node-fetch": "^2.6.1",
-    "semver": "^7.3.4",
+        "semver": "^7.3.4",
-    "uuid": "^8.3.2",
+        "uuid": "^8.3.2",
-    "yargs": "^16.2.0"
+        "yargs": "^16.2.0"
-  },
+    },
-  "devDependencies": {
+    "license": "MIT"
-    "babel-eslint": "^10.1.0",
-    "eslint": "^7.20.0",
-    "eslint-plugin-snakecasejs": "^2.2.0"
-  },
-  "license": "MIT"
 }

api/src/config.js

@@ -1,25 +1,25 @@
 const fss = require('fs');
 const yargs = require('yargs');
-const hide_bin = require('yargs/helpers').hideBin; //eslint-disable-line snakecasejs/snakecasejs
+const hide_bin = require('yargs/helpers').hideBin;
 const Logger = require('logplease');
 const logger = Logger.create('config');
 const yaml = require('js-yaml');
 
 const header = `#
-#      ____  _     _              
+#      ____  _     _
-#     |  _ \\(_)___| |_ ___  _ __  
+#     |  _ \\(_)___| |_ ___  _ __
-#     | |_) | / __| __/ _ \\| '_ \\ 
+#     | |_) | / __| __/ _ \\| '_ \\
 #     |  __/| \\__ \\ || (_) | | | |
 #     |_|   |_|___/\\__\\___/|_| |_|
 #
-# A High performance code execution engine                   
+# A High performance code execution engine
 #     github.com/engineer-man/piston
 #
 
 `;
 const argv = yargs(hide_bin(process.argv))
     .usage('Usage: $0 -c [config]')
-    .demandOption('c') //eslint-disable-line snakecasejs/snakecasejs
+    .demandOption('c')
     .option('config', {
         alias: 'c',
         describe: 'config file to load from',
@@ -29,18 +29,18 @@ const argv = yargs(hide_bin(process.argv))
         alias: 'm',
         type: 'boolean',
         describe: 'create config file and populate defaults if it does not already exist'
-    }).argv;
+    })
-
+    .argv;
 
 const options = [
     {
         key: 'log_level',
         desc: 'Level of data to log',
         default: 'INFO',
-        /* eslint-disable snakecasejs/snakecasejs */
         options: Object.values(Logger.LogLevels),
-        validators: [x=>Object.values(Logger.LogLevels).includes(x) || `Log level ${x} does not exist`]
+        validators: [
-        /* eslint-enable snakecasejs/snakecasejs */
+            x => Object.values(Logger.LogLevels).includes(x) || `Log level ${x} does not exist`
+        ]
     },
     {
         key: 'bind_address',
@@ -110,68 +110,71 @@ const options = [
     }
 ];
 
-function make_default_config(){
+const make_default_config = () => {
     let content = header.split('\n');
 
     options.forEach(option => {
         content = content.concat(option.desc.split('\n').map(x=>`# ${x}`));
 
-        if(option.options)
+        if (option.options) {
             content.push('# Options: ' + option.options.join(', '));
+        }
 
         content.push(`${option.key}: ${option.default}`);
-        
+
         content.push(''); // New line between
     });
 
     return content.join('\n');
-}
+};
 
 logger.info(`Loading Configuration from ${argv.config}`);
 
-if(argv['make-config'])
+if (argv['make-config']) {
     logger.debug('Make configuration flag is set');
+}
 
-if(!!argv['make-config'] && !fss.exists_sync(argv.config)){
+if (!!argv['make-config'] && !fss.exists_sync(argv.config)) {
     logger.info('Writing default configuration...');
     try {
-        fss.write_file_sync(argv.config, make_default_config());    
+        fss.write_file_sync(argv.config, make_default_config());
-    } catch (err) {
+    } catch (e) {
-        logger.error('Error writing default configuration:', err.message);
+        logger.error('Error writing default configuration:', e.message);
         process.exit(1);
     }
 }
 
-var config = {};
+let config = {};
 
 logger.debug('Reading config file');
 
-try{
+try {
     const cfg_content = fss.read_file_sync(argv.config);
     config = yaml.load(cfg_content);
-}catch(err){
+} catch(err) {
     logger.error('Error reading configuration file:', err.message);
     process.exit(1);
 }
 
 logger.debug('Validating config entries');
 
-var errored=false;
+let errored = false;
 
-options.forEach(option => {
+options.for_each(option => {
     logger.debug('Checking option', option.key);
 
-    var cfg_val = config[option.key];
+    let cfg_val = config[option.key];
 
-    if(cfg_val == undefined){
+    if (cfg_val === undefined) {
         errored = true;
         logger.error(`Config key ${option.key} does not exist on currently loaded configuration`);
         return;
     }
 
-    option.validators.forEach(validator => {
+    option.validators.for_each(validator => {
-        var response = validator(cfg_val);
+        let response = validator(cfg_val);
-        if(response !== true){
+
+        if (!response) {
             errored = true;
             logger.error(`Config option ${option.key} failed validation:`, response);
             return;
@@ -179,9 +182,10 @@ options.forEach(option => {
     });
 });
 
-if(errored) process.exit(1);
+if (errored) {
+    process.exit(1);
+}
 
 logger.info('Configuration successfully loaded');
 
 module.exports = config;
-

api/src/executor/job.js

@@ -1,5 +1,5 @@
 const logger = require('logplease').create('executor/job');
-const { v4: uuidv4 } = require('uuid');
+const {v4: uuidv4} = require('uuid');
 const cp = require('child_process');
 const path = require('path');
 const config = require('../config');
@@ -12,11 +12,12 @@ const job_states = {
     EXECUTED: Symbol('Executed and ready for cleanup')
 };
 
-var uid=0;
+let uid = 0;
-var gid=0;
+let gid = 0;
 
 class Job {
-    constructor({runtime, files, args, stdin, timeouts, main}){
+
+    constructor({ runtime, files, args, stdin, timeouts, main, alias }) {
         this.uuid =  uuidv4();
         this.runtime = runtime;
         this.files = files;
@@ -24,9 +25,13 @@ class Job {
         this.stdin = stdin;
         this.timeouts = timeouts;
         this.main = main;
+        this.alias = alias;
 
-        if(!this.files.map(f=>f.name).includes(this.main))
+        let file_list = this.files.map(f => f.name);
+
+        if (!file_list.includes(this.main)) {
             throw new Error(`Main file "${this.main}" will not be written to disk`);
+        }
 
         this.uid = config.runner_uid_min + uid;
         this.gid = config.runner_gid_min + gid;
@@ -41,34 +46,30 @@ class Job {
         this.dir = path.join(config.data_directory, globals.data_directories.jobs, this.uuid);
     }
 
-    async prime(){
+    async prime() {
         logger.info(`Priming job uuid=${this.uuid}`);
 
         logger.debug('Writing files to job cache');
 
-        await fs.mkdir(this.dir, {mode:0o700});
-
-        const files = this.files.map(({name: file_name, content}) => {
-            return fs.write_file(path.join(this.dir, file_name), content);
-        });
-
-        await Promise.all(files);
-
         logger.debug(`Transfering ownership uid=${this.uid} gid=${this.gid}`);
-        await fs.chown(this.dir, this.uid, this.gid);
-        
-        const chowns = this.files.map(({name:file_name}) => {
-            return fs.chown(path.join(this.dir, file_name), this.uid, this.gid);
-        });
 
-        await Promise.all(chowns);
+        await fs.mkdir(this.dir, { mode:0o700 });
+        await fs.chown(this.dir, this.uid, this.gid);
+
+        for (const file of this.files) {
+            let file_path = path.join(this.dir, file.name);
+
+            await fs.write_file(file_path, file.content);
+            await fs.chown(file_path, this.uid, this.gid);
+        }
 
         this.state = job_states.PRIMED;
+
         logger.debug('Primed job');
     }
 
-    async safe_call(file, args, timeout){
+    async safe_call(file, args, timeout) {
-        return await new Promise((resolve, reject) => {
+        return new Promise((resolve, reject) => {
             const unshare = config.enable_unshare ? ['unshare','-n','-r'] : [];
 
             const prlimit = [
@@ -87,70 +88,91 @@ class Job {
             var stderr = '';
 
             const proc = cp.spawn(proc_call[0], proc_call.splice(1) ,{
-                env: this.runtime.env_vars,
+                env: { 
+                    ...this.runtime.env_vars,
+                    PISTON_ALIAS: this.alias
+                },
                 stdio: 'pipe',
                 cwd: this.dir,
                 uid: this.uid,
                 gid: this.gid,
                 detached: true //give this process its own process group
             });
-            
+
             proc.stdin.write(this.stdin);
             proc.stdin.end();
-            
 
-            const kill_timeout = setTimeout(_ => proc.kill('SIGKILL'), timeout);
+            const kill_timeout = set_timeout(_ => proc.kill('SIGKILL'), timeout);
 
-            proc.stderr.on('data', d=>{if(stderr.length>config.output_max_size) proc.kill('SIGKILL'); else stderr += d;});
+            proc.stderr.on('data', data => {
-            proc.stdout.on('data', d=>{if(stdout.length>config.output_max_size) proc.kill('SIGKILL'); else stdout += d;});
+                if (stderr.length > config.output_max_size) {
+                    proc.kill('SIGKILL');
+                } else {
+                    stderr += data;
+                }
+            });
+
+            proc.stdout.on('data', data => {
+                if (stdout.length > config.output_max_size) {
+                    proc.kill('SIGKILL');
+                } else {
+                    stdout += data;
+                }
+            });
+
+            const exit_cleanup = () => {
+                clear_timeout(kill_timeout);
 
-            function exit_cleanup(){
-                clearTimeout(kill_timeout);
                 proc.stderr.destroy();
                 proc.stdout.destroy();
-                try{
+
+                try {
                     process.kill(-proc.pid, 'SIGKILL');
-                }catch{
+                } catch {
                     // Process will be dead already, so nothing to kill.
                 }
-            }
+            };
 
             proc.on('exit', (code, signal)=>{
                 exit_cleanup();
-                
+
-                resolve({stdout, stderr, code, signal});
+                resolve({ stdout, stderr, code, signal });
             });
 
             proc.on('error', (err) => {
                 exit_cleanup();
 
-                reject({error: err, stdout, stderr});
+                reject({ error: err, stdout, stderr });
             });
         });
     }
 
-    async execute(){
+    async execute() {
-        if(this.state != job_states.PRIMED)
+        if (this.state !== job_states.PRIMED) {
             throw new Error('Job must be in primed state, current state: ' + this.state.toString());
+        }
 
         logger.info(`Executing job uuid=${this.uuid} uid=${this.uid} gid=${this.gid} runtime=${this.runtime.toString()}`);
 
         logger.debug('Compiling');
 
-        var compile = undefined;
+        let compile;
-        if(this.runtime.compiled)
+
+        if (this.runtime.compiled) {
             compile = await this.safe_call(
                 path.join(this.runtime.pkgdir, 'compile'),
-                this.files.map(x=>x.name),
+                this.files.map(x => x.name),
-                this.timeouts.compile);
+                this.timeouts.compile
-    
+            );
+        }
 
         logger.debug('Running');
 
         const run = await this.safe_call(
             path.join(this.runtime.pkgdir, 'run'),
             [this.main, ...this.args],
-            this.timeouts.run);
+            this.timeouts.run
+        );
 
         this.state = job_states.EXECUTED;
 
@@ -158,13 +180,15 @@ class Job {
             compile,
             run
         };
-
     }
 
-    async cleanup(){
+    async cleanup() {
         logger.info(`Cleaning up job uuid=${this.uuid}`);
-        await fs.rm(this.dir, {recursive: true, force: true});
+        await fs.rm(this.dir, { recursive: true, force: true });
     }
+
 }
 
-module.exports = {Job};
+module.exports = {
+    Job
+};

api/src/executor/routes.js

@@ -6,41 +6,49 @@ const { Job } = require('./job');
 const { body } = require('express-validator');
 
 module.exports = {
+
     run_job_validators: [
         body('language')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('version')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         // isSemVer requires it to be a version, not a selector
         body('files')
-            .isArray(), // eslint-disable-line snakecasejs/snakecasejs
+            .isArray(),
         body('files.*.name')
-            .isString() // eslint-disable-line snakecasejs/snakecasejs
+            .isString()
             .bail()
             .not()
             .contains('/'),
         body('files.*.content')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('compile_timeout')
-            .isNumeric(), // eslint-disable-line snakecasejs/snakecasejs
+            .isNumeric(),
         body('run_timeout')
-            .isNumeric(), // eslint-disable-line snakecasejs/snakecasejs
+            .isNumeric(),
         body('stdin')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('args')
             .isArray(),
         body('args.*')
-            .isString() // eslint-disable-line snakecasejs/snakecasejs
+            .isString()
     ],
-    async run_job(req, res){
-        // POST /jobs
-
 
+    // POST /jobs
+    async run_job(req, res) {
         const runtime = get_latest_runtime_matching_language_version(req.body.language, req.body.version);
-        if(runtime == undefined) return res.json_error(`${req.body.language}-${req.body.version} runtime is unknown`, 400);
+
+        if (runtime === undefined) {
+            return res
+                .status(400)
+                .send({
+                    message: `${req.body.language}-${req.body.version} runtime is unknown`
+                });
+        }
 
         const job = new Job({
             runtime,
+            alias: req.body.language,
             files: req.body.files,
             args: req.body.args,
             stdin: req.body.stdin,
@@ -54,8 +62,12 @@ module.exports = {
         await job.prime();
 
         const result = await job.execute();
-        res.json_success(result);
 
         await job.cleanup();
+
+        return res
+            .status(200)
+            .send(result);
     }
-};
+
+};

api/src/globals.js

@@ -5,7 +5,7 @@ const platform = `${is_docker() ? 'docker' : 'baremetal'}-${
     fss.read_file_sync('/etc/os-release')
         .toString()
         .split('\n')
-        .find(x=>x.startsWith('ID'))
+        .find(x => x.startsWith('ID'))
         .replace('ID=','')
 }`;
 
@@ -17,4 +17,4 @@ module.exports = {
     version: require('../package.json').version,
     platform,
     pkg_installed_file: '.ppman-installed' //Used as indication for if a package was installed
-};
+};

api/src/index.js

@@ -9,117 +9,103 @@ const fs = require('fs/promises');
 const fss = require('fs');
 const body_parser = require('body-parser');
 const runtime = require('./runtime');
-const {validationResult} = require('express-validator'); //eslint-disable-line snakecasejs/snakecasejs
+const { validationResult } = require('express-validator');
 
 const logger = Logger.create('index');
 const app = express();
 
 (async () => {
     logger.info('Setting loglevel to',config.log_level);
-    Logger.setLogLevel(config.log_level); //eslint-disable-line snakecasejs/snakecasejs
+    Logger.setLogLevel(config.log_level);
-
     logger.debug('Ensuring data directories exist');
-    Object.values(globals.data_directories).forEach(dir => {
+
-        var data_path = path.join(config.data_directory, dir);
+    Object.values(globals.data_directories).for_each(dir => {
+        let data_path = path.join(config.data_directory, dir);
+
         logger.debug(`Ensuring ${data_path} exists`);
-        if(!fss.exists_sync(data_path)){
+
+        if (!fss.exists_sync(data_path)) {
             logger.info(`${data_path} does not exist.. Creating..`);
-            try{
+
+            try {
                 fss.mkdir_sync(data_path);
-            }catch(err){
+            } catch(e) {
-                logger.error(`Failed to create ${data_path}: `, err.message);
+                logger.error(`Failed to create ${data_path}: `, e.message);
             }
         }
-        
     });
 
     logger.info('Loading packages');
     const pkgdir = path.join(config.data_directory,globals.data_directories.packages);
 
     const pkglist = await fs.readdir(pkgdir);
+
     const languages = await Promise.all(
         pkglist.map(lang=>
             fs.readdir(path.join(pkgdir,lang))
                 .then(x=>x.map(y=>path.join(pkgdir, lang, y)))
         ));
-    const installed_languages = languages.flat()
+
-        .filter(pkg=>fss.exists_sync(path.join(pkg, globals.pkg_installed_file)));
+    const installed_languages = languages
+        .flat()
+        .filter(pkg => fss.exists_sync(path.join(pkg, globals.pkg_installed_file)));
 
     installed_languages.forEach(pkg => new runtime.Runtime(pkg));
 
     logger.info('Starting API Server');
-
     logger.debug('Constructing Express App');
-
-    logger.debug('Registering custom message wrappers');
-
-    express.response.json_error = function(message, code) {
-        this.status(code);
-        return this.json({success: false, message, code});
-    };
-
-    express.response.json_success = function(obj) {
-        return this.json({success: true, data: obj});
-    };
-
     logger.debug('Registering middleware');
 
-    app.use(body_parser.urlencoded({extended: true}));
+    app.use(body_parser.urlencoded({ extended: true }));
     app.use(body_parser.json());
 
+    const validate = (req, res, next) => {
+        const errors = validationResult(req);
+
+        if (!errors.isEmpty()) {
+            return res
+                .status(422)
+                .send({
+                    message: errors.array()
+                });
+        }
 
-    function validate(req, res, next) {
-        const errors = validationResult(req); //eslint-disable-line snakecasejs/snakecasejs
-        if (!errors.isEmpty()) //eslint-disable-line snakecasejs/snakecasejs
-            return res.json_error(errors.array(), 422);
         next();
-    }
+    };
 
     logger.debug('Registering Routes');
 
     const ppman_routes = require('./ppman/routes');
     const executor_routes = require('./executor/routes');
 
-
+    app.get('/packages', ppman_routes.package_list);
-    app.get('/packages',
+    app.post('/packages/:language/:version', ppman_routes.package_install);
-        ppman_routes.package_list
+    app.delete('/packages/:language/:version', ppman_routes.package_uninstall);
-    );
-
-    app.post('/packages/:language/:version',
-        ppman_routes.package_install
-    );
-
-    app.delete('/packages/:language/:version',
-        ppman_routes.package_uninstall
-    );
-    
     app.post('/jobs',
         executor_routes.run_job_validators,
         validate,
-        executor_routes.run_job);
+        executor_routes.run_job
+    );
+    app.get('/runtimes', (req, res) => {
+        const runtimes = runtime
+            .map(rt => {
+                return {
+                    language: rt.language,
+                    version: rt.version.raw,
+                    author: rt.author,
+                    aliases: rt.aliases
+                };
+            });
 
-    function list_runtimes(_, res){
+        return res
-        const runtimes = runtime.map(rt => (
+            .status(200)
-            {
+            .send(runtimes);
-                language: rt.language,
-                version: rt.version.raw,
-                author: rt.author,
-                aliases: rt.aliases
-            }
-        ));
-
-        return res.json_success({
-            runtimes
-        });
-    }
-
-    app.get('/runtimes', list_runtimes);
-
-    logger.debug('Calling app.listen');
-    const [address,port] = config.bind_address.split(':');
-
-    app.listen(port, address, ()=>{
-        logger.info('API server started on', config.bind_address);
     });
 
-})();
+    logger.debug('Calling app.listen');
+    const [ address, port ] = config.bind_address.split(':');
+
+    app.listen(port, address, () => {
+        logger.info('API server started on', config.bind_address);
+    });
+})();

api/src/ppman/package.js

@@ -11,66 +11,73 @@ const crypto = require('crypto');
 const runtime = require('../runtime');
 
 class Package {
-    constructor({language, version, download, checksum}){
+
+    constructor({ language, version, download, checksum }){
         this.language = language;
         this.version = semver.parse(version);
         this.checksum = checksum;
         this.download = download;
     }
 
-    get installed(){
+    get installed() {
         return fss.exists_sync(path.join(this.install_path, globals.pkg_installed_file));
     }
 
-    get download_url(){
+    get install_path() {
-        return this.download;
+        return path.join(
-    }
+            config.data_directory,
-
-    get install_path(){
-        return path.join(config.data_directory,
             globals.data_directories.packages,
             this.language,
-            this.version.raw);
+            this.version.raw
+        );
     }
 
-    async install(){
+    async install() {
-        if(this.installed) throw new Error('Already installed');
+        if (this.installed) {
+            throw new Error('Already installed');
+        }
+
         logger.info(`Installing ${this.language}-${this.version.raw}`);
 
-        if(fss.exists_sync(this.install_path)){
+        if (fss.exists_sync(this.install_path)) {
             logger.warn(`${this.language}-${this.version.raw} has residual files. Removing them.`);
-            await fs.rm(this.install_path, {recursive: true, force: true});
+            await fs.rm(this.install_path, { recursive: true, force: true });
         }
 
         logger.debug(`Making directory ${this.install_path}`);
         await fs.mkdir(this.install_path, {recursive: true});
 
+        logger.debug(`Downloading package from ${this.download} in to ${this.install_path}`);
+        const pkgpath = path.join(this.install_path, 'pkg.tar.gz');
+        const download = await fetch(this.download);
 
-        logger.debug(`Downloading package from ${this.download_url} in to ${this.install_path}`);
-        const pkgpath = path.join(this.install_path, "pkg.tar.gz");
-        const download = await fetch(this.download_url);
         const file_stream = fss.create_write_stream(pkgpath);
         await new Promise((resolve, reject) => {
-            download.body.pipe(file_stream)
+            download.body.pipe(file_stream);
-            download.body.on("error", reject)
+            download.body.on('error', reject);
-            file_stream.on("finish", resolve)
+
+            file_stream.on('finish', resolve);
         });
 
         logger.debug('Validating checksums');
-        logger.debug(`Assert sha256(pkg.tar.gz) == ${this.checksum}`)
+        logger.debug(`Assert sha256(pkg.tar.gz) == ${this.checksum}`);
         const cs = crypto.create_hash("sha256")
             .update(fss.readFileSync(pkgpath))
             .digest('hex');
-        if(cs != this.checksum) throw new Error(`Checksum miss-match want: ${val} got: ${cs}`);
+
+        if (cs !== this.checksum) {
+            throw new Error(`Checksum miss-match want: ${val} got: ${cs}`);
+        }
 
         logger.debug(`Extracting package files from archive ${pkgpath} in to ${this.install_path}`);
 
-        await new Promise((resolve, reject)=>{
+        await new Promise((resolve, reject) => {
             const proc = cp.exec(`bash -c 'cd "${this.install_path}" && tar xzf ${pkgpath}'`);
-            proc.once('exit', (code,_)=>{
+
-                if(code == 0) resolve();
+            proc.once('exit', (code, _) => {
-                else reject(new Error('Failed to extract package'));
+                code === 0 ? resolve() : reject();
             });
+
             proc.stdout.pipe(process.stdout);
             proc.stderr.pipe(process.stderr);
 
@@ -80,28 +87,35 @@ class Package {
         logger.debug('Registering runtime');
         new runtime.Runtime(this.install_path);
 
-        
         logger.debug('Caching environment');
         const get_env_command = `cd ${this.install_path}; source environment; env`;
 
-        const envout = await new Promise((resolve, reject)=>{
+        const envout = await new Promise((resolve, reject) => {
-            var stdout = '';
+            let stdout = '';
-            const proc = cp.spawn('env',['-i','bash','-c',`${get_env_command}`], {
+
-                stdio: ['ignore', 'pipe', 'pipe']});
+            const proc = cp
-            proc.once('exit', (code,_)=>{
+                .spawn(
-                if(code == 0) resolve(stdout);
+                    'env',
-                else reject(new Error('Failed to cache environment'));
+                    ['-i','bash','-c',`${get_env_command}`],
+                    {
+                        stdio: ['ignore', 'pipe', 'pipe']
+                    }
+                );
+
+            proc.once('exit', (code, _) => {
+                code === 0 ? resolve(stdout) : reject();
             });
 
-            proc.stdout.on('data', (data)=>{
+            proc.stdout.on('data', data => {
                 stdout += data;
             });
 
             proc.once('error', reject);
         });
 
-        const filtered_env = envout.split('\n')
+        const filtered_env = envout
-            .filter(l=>!['PWD','OLDPWD','_', 'SHLVL'].includes(l.split('=',2)[0]))
+            .split('\n')
+            .filter(l => !['PWD','OLDPWD','_', 'SHLVL'].includes(l.split('=',2)[0]))
             .join('\n');
 
         await fs.write_file(path.join(this.install_path, '.env'), filtered_env);
@@ -116,7 +130,9 @@ class Package {
             version: this.version.raw
         };
     }
+
 }
 
-
+module.exports = {
-module.exports = {Package};
+    Package
+};

api/src/ppman/routes.js

@@ -4,66 +4,98 @@ const fetch = require('node-fetch');
 const config = require('../config');
 const { Package } = require('./package');
 
+const get_package_list = async () => {
+    const repo_content = await fetch(config.repo_url).then(x => x.text());
 
-async function get_package_list(){
+    const entries = repo_content
-    const repo_content = await fetch(config.repo_url).then(x=>x.text());
+        .split('\n')
-
+        .filter(x => x.length > 0);
-    const entries = repo_content.split('\n').filter(x=>x.length > 0);
 
     return entries.map(line => {
-        const [language, version, checksum, download] = line.split(',',4);
+        const [ language, version, checksum, download ] = line.split(',', 4);
-        return new Package({language, version, checksum, download});
-    })
-}
 
+        return new Package({
+            language,
+            version,
+            checksum,
+            download
+        });
+    });
+};
 
-async function get_package(lang, version){
+const get_package = async (lang, version) => {
     const packages = await get_package_list();
-    const candidates = packages.filter(
-        pkg => pkg.language == lang && semver.satisfies(pkg.version, version)
-    );
-    return candidates.sort((a,b)=>semver.rcompare(a.version,b.version))[0] || null;
-}
 
-module.exports = {
+    const candidates = packages
-  
+        .filter(pkg => {
-    async package_list(req, res){
+            return pkg.language == lang && semver.satisfies(pkg.version, version)
-        // GET /packages
-        logger.debug('Request to list packages');
-
-        const packages = await get_package_list();
-
-        res.json_success({
-            packages: packages.map(pkg=>({
-                language: pkg.language,
-                language_version: pkg.version.raw,
-                installed: pkg.installed
-            }))
         });
 
-    },
+    candidates.sort((a, b) => semver.rcompare(a.version, b.version));
-    async package_install(req,res){
-        // POST /packages/:language/:version
 
+    return candidates[0] || null;
+};
+
+module.exports = {
+
+    // GET /packages
+    async package_list(req, res) {
+        logger.debug('Request to list packages');
+
+        let packages = await get_package_list();
+
+        packages = packages
+            .map(pkg => {
+                    return {
+                        language: pkg.language,
+                        language_version: pkg.version.raw,
+                        installed: pkg.installed
+                    };
+                });
+
+        return res
+            .status(200)
+            .send(packages);
+    },
+
+    // POST /packages/:language/:version
+    async package_install(req, res) {
         logger.debug('Request to install package');
 
         const pkg = await get_package(req.params.language, req.params.version);
-        if(pkg == null) return res.json_error(`Requested package ${req.params.language}-${req.params.version} does not exist`, 404);
 
-        try{
+        if (pkg == null) {
-            const response = await pkg.install();
+            return res
-            return res.json_success(response);
+                .status(404)
-        }catch(err){
+                .send({
-            logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, err.message);
+                    message: `Requested package ${req.params.language}-${req.params.version} does not exist`
-            res.json_error(err.message,500);
+                });
         }
-        
 
+        try {
+            const response = await pkg.install();
+
+            return res
+                .status(200)
+                .send(response);
+        } catch(e) {
+            logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, e.message);
+
+            return res
+                .status(500)
+                .send({
+                    message: e.message
+                });
+        }
     },
-    async package_uninstall(req,res){
-        // DELETE /packages/:language/:version
 
-        //res.json(req.body); //TODO
+    // DELETE /packages/:language/:version
-        res.json_error('not implemented', 500);
+    async package_uninstall(req, res) {
+        return res
+            .status(500)
+            .send({
+                message: 'Not implemented'
+            });
     }
-};
+
+};

api/src/runtime.js

@@ -8,53 +8,60 @@ const path = require('path');
 const runtimes = [];
 
 class Runtime {
-    #env_vars
+
-    #compiled
     constructor(package_dir){
-        const {language, version, author, build_platform, aliases} = JSON.parse(
+        let info = JSON.parse(
             fss.read_file_sync(path.join(package_dir, 'pkg-info.json'))
         );
 
+        const { language, version, author, build_platform, aliases } = info;
+
         this.pkgdir = package_dir;
         this.language = language;
         this.version = semver.parse(version);
         this.author = author;
         this.aliases = aliases;
 
-        if(build_platform != globals.platform){
+        if (build_platform !== globals.platform) {
-            logger.warn(`Package ${language}-${version} was built for platform ${build_platform}, but our platform is ${globals.platform}`);
+            logger.warn(
+                `Package ${language}-${version} was built for platform ${build_platform}, ` +
+                `but our platform is ${globals.platform}`
+            );
         }
-        
+
         logger.debug(`Package ${language}-${version} was loaded`);
+
         runtimes.push(this);
     }
 
-    get env_file_path(){
+    get compiled() {
-        return path.join(this.pkgdir, 'environment');
+        if (this._compiled === undefined) {
+            this._compiled = fss.exists_sync(path.join(this.pkgdir, 'compile'));
+        }
+
+        return this._compiled;
     }
 
-    get compiled(){
+    get env_vars() {
-        if(this.#compiled === undefined) this.#compiled = fss.exists_sync(path.join(this.pkgdir, 'compile'));
+        if (!this._env_vars) {
-        return this.#compiled;
-    }
-
-    get env_vars(){
-        if(!this.#env_vars){
             const env_file = path.join(this.pkgdir, '.env');
             const env_content = fss.read_file_sync(env_file).toString();
-            this.#env_vars = {};
+
+            this._env_vars = {};
+
             env_content
                 .trim()
                 .split('\n')
                 .map(line => line.split('=',2))
                 .forEach(([key,val]) => {
-                    this.#env_vars[key.trim()] = val.trim();
+                    this._env_vars[key.trim()] = val.trim();
                 });
         }
-        return this.#env_vars;
+
+        return this._env_vars;
     }
 
-    toString(){
+    toString() {
         return `${this.language}-${this.version.raw}`;
     }
 }
@@ -68,4 +75,3 @@ module.exports.get_latest_runtime_matching_language_version = function(lang, ver
     return module.exports.get_runtimes_matching_language_version(lang, ver)
         .sort((a,b) => semver.rcompare(a.version, b.version))[0];
 };
-

cli/commands/ppman_commands/list.js

@@ -18,7 +18,7 @@ exports.handler = async function({axios}){
     const packages = await axios.get('/packages');
 
     
-    const pkg_msg = packages.data.data.packages
+    const pkg_msg = packages.data
         .map(msg_format.color)
         .join('\n');
 

docker-compose.yaml

@@ -11,11 +11,11 @@ services:
       - ./data/piston:/piston
       - ./repo:/repo
     tmpfs:
-      - /piston/jobs
+      - /piston/jobs:exec
 
   piston_fs_repo: #Temporary solution until CI works
     build: repo
-    command: ['deno-1.7.5'] # Only build deno
+    command: ['typescript-4.2.3'] # Only build typescript
     volumes:
-      - ./repo:/repo
+      - ./repo:/piston/repo
-      - ./packages:/packages
+      - ./packages:/piston/packages

packages/.gitignore

@@ -1,8 +1,8 @@
-*/*
+*/*/*
 *.pkg.tar.gz
-!*/metadata.json
+!*/*/metadata.json
-!*/build.sh
+!*/*/build.sh
-!*/environment
+!*/*/environment
-!*/run
+!*/*/run
-!*/compile
+!*/*/compile
-!*/test.*
+!*/*/test.*

packages/CONTRIBUTING.MD

@@ -8,11 +8,11 @@ In the example of NodeJS, we would call this `node`, after the main binary.
 
 ## Creating new languages
 
-See [deno-1.7.5/](deno-1.7.5/) or any other directory for examples.
+See [deno/1.7.5/](deno/1.7.5/) or any other directory for examples.
 
 1. Create a new branch on your fork of engineer-man/piston
 
-2. Create a directory named `[language]-[version]`. See Naming Languages for how to determine the name for your language
+2. Create directories named `[language]/[version]`. See Naming Languages for how to determine the name for your language
 
 3. Create a file named `build.sh`, adding a shebang for bash `#!/bin/bash` on the first line.
 In this file put any steps to compile the specified langauge.

packages/Makefile

@@ -1,4 +1,4 @@
-PACKAGES=$(shell find * -maxdepth 0 -type d)
+PACKAGES=$(subst /,-,$(shell find * -maxdepth 1 -mindepth 1 -type d))
 BUILD_PLATFORM=$(or ${PLATFORM},baremetal-$(shell grep -oP "^ID=\K.+" /etc/os-release))
 
 help:
@@ -9,14 +9,16 @@ help:
 
 build build-all: $(addsuffix .pkg.tar.gz, ${PACKAGES})
 
-%.pkg.tar.gz: %/ %/pkg-info.json
+
-	cd $< && chmod +x ./build.sh && ./build.sh
+define PKG_RULE
-	rm -f $@
+$(1).pkg.tar.gz: $(subst -,/,$(1))/ $(subst -,/,$(1))/pkg-info.json
-	tar czf $@ $* --transform='s|$*||'
+	cd $$< && chmod +x ./build.sh && ./build.sh
+	rm -f $$@
+	tar czf $$@ $$< --transform='s|$$<||'
+endef
+
+$(foreach pkg,$(PACKAGES),$(eval $(call PKG_RULE,$(pkg))))
 
 %/pkg-info.json: %/metadata.json
 	jq '.build_platform="${BUILD_PLATFORM}"' $< > $@
 
-
-
-

packages/bash/5.1.0/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Put instructions to build your package in here
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
+curl "https://ftp.gnu.org/gnu/bash/bash-5.1.tar.gz" -o bash.tar.gz
+
+tar xzf bash.tar.gz --strip-components=1
+
+# === autoconf based ===
+./configure --prefix "$PREFIX"
+
+make -j$(nproc)
+make install -j$(nproc)
+cd ../
+rm -rf build

packages/bash/5.1.0/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/bash/5.1.0/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "bash",
+  "version": "5.1.0",
+  "aliases": ["sh"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/bash/5.1.0/run

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+bash $*

packages/bash/5.1.0/test.bash

@@ -0,0 +1 @@
+echo "OK"

packages/dart/2.12.1/build.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+curl -L "https://storage.googleapis.com/dart-archive/channels/stable/release/2.12.1/sdk/dartsdk-linux-x64-release.zip" -o dart.zip
+
+unzip dart.zip
+rm dart.zip
+
+cp -r dart-sdk/* .
+rm -rf dart-sdk
+
+chmod -R +rx bin

packages/dart/2.12.1/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/dart/2.12.1/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "dart",
+  "version": "2.12.1",
+  "aliases": [],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/dart/2.12.1/run

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+dart run $*

packages/dart/2.12.1/test.dart

@@ -0,0 +1,3 @@
+void main() {
+  print('OK');
+}

packages/gawk/5.1.0/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Put instructions to build your package in here
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
+curl "https://ftp.gnu.org/gnu/gawk/gawk-5.1.0.tar.gz" -o gawk.tar.gz
+
+tar xzf gawk.tar.gz --strip-components=1
+
+# === autoconf based ===
+./configure --prefix "$PREFIX"
+
+make -j$(nproc)
+make install -j$(nproc)
+cd ../
+rm -rf build

packages/gawk/5.1.0/compile

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+# Put instructions to compile source code, remove this file if the language does not require this stage

packages/gawk/5.1.0/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/gawk/5.1.0/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "gawk",
+  "version": "5.1.0",
+  "aliases": ["awk"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/gawk/5.1.0/run

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+gawk-5.1.0 -f $*

packages/gawk/5.1.0/test.awk

@@ -0,0 +1 @@
+{print "OK"}

packages/gcc/10.2.0/build.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Put instructions to build your package in here
+[[ -d "bin" ]] && exit 0
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build obj
+
+cd build
+
+curl "https://ftp.gnu.org/gnu/gcc/gcc-10.2.0/gcc-10.2.0.tar.gz" -o gcc.tar.gz
+
+tar xzf gcc.tar.gz --strip-components=1
+
+./contrib/download_prerequisites
+
+cd ../obj
+
+# === autoconf based === 
+../build/configure --prefix "$PREFIX" --enable-languages=c,c++,d --disable-multilib --disable-bootstrap
+
+make -j$(nproc)
+make install -j$(nproc)
+cd ../
+rm -rf build obj

packages/gcc/10.2.0/compile

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Put instructions to compile source code, remove this file if the language does not require this stage
+
+
+case "${PISTON_ALIAS}" in
+    gcc | c)
+        gcc -std=c11 $* -lm
+        ;;
+    g++ | c++ | cpp)
+        g++ -std=c++17 $*
+        ;;
+    gccgo | go)
+        gccgo $*
+        ;;
+    gdc | d)
+        gdc $*
+        ;;
+    *)
+        echo "How did you get here? (${PISTON_ALIAS})"
+        exit 1
+        ;;
+esac
+
+chmod +x a.out

packages/gcc/10.2.0/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/gcc/10.2.0/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "gcc",
+  "version": "10.2.0",
+  "aliases": ["c","g++","c++","cpp","gdc","d"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/gcc/10.2.0/run

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+
+shift # Discard main filename
+./a.out $*

packages/gcc/10.2.0/test.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void) {
+    printf("OK");
+    return 0;
+}

packages/gcc/10.2.0/test.cpp

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main(void) {
+    printf("OK");
+    return 0;
+}

packages/gcc/10.2.0/test.d

@@ -0,0 +1,5 @@
+import std.stdio;
+
+void main() {
+    writeln("OK");
+}

packages/init

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+if [[ $# -lt 3 ]]; then
+    echo "Usage: $0 [name] [version] [source]"
+    echo ""
+    echo "Initializes an empty package"
+    exit 1
+fi
+
+NAME=$1
+VERSION=$2
+AUTHOR="$(git config user.name) <$(git config user.email)>"
+SOURCE=$3
+
+DIR=$NAME/$VERSION
+
+mkdir -p $DIR
+
+build_instructions(){
+    echo 'PREFIX=$(realpath $(dirname $0))'
+    echo
+    echo 'mkdir -p build'
+    echo
+    echo 'cd build'
+    echo
+    echo "curl \"$SOURCE\" -o $NAME.tar.gz"
+    echo
+    echo "tar xzf $NAME.tar.gz --strip-components=1"
+    echo 
+
+    echo "# === autoconf based ==="
+    echo './configure --prefix "$PREFIX"'
+    echo
+    echo 'make -j$(nproc)'
+    echo 'make install -j$(nproc)'
+
+    echo 'cd ../'
+    echo 'rm -rf build'
+
+}
+
+cd $DIR
+
+for name in build.sh environment run compile; do
+    echo "#!/usr/bin/env bash" > "$name"
+    echo "" >> "$name"
+done
+
+echo "# Put instructions to build your package in here" >> build.sh
+echo ""
+build_instructions >> build.sh
+
+echo "# Put 'export' statements here for environment variables" >> environment
+echo "export PATH=\$PWD/bin:\$PATH" >> environment
+
+echo "# Put instructions to run the runtime" >> run
+echo "$NAME-$VERSION \$*" >> run
+
+echo "# Put instructions to compile source code, remove this file if the language does not require this stage" >> compile
+
+jq '.language = "'$NAME'" | .version = "'$VERSION'" | .aliases = [] | .author = "'"$AUTHOR"'"' <<< "{}" > metadata.json
+
+cd - > /dev/null
+
+echo $DIR

packages/java/15.0.2/build.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# Put instructions to build your package in here
+
+curl "https://download.java.net/java/GA/jdk15.0.2/0d1cfde4252546c6931946de8db48ee2/7/GPL/openjdk-15.0.2_linux-x64_bin.tar.gz" -o java.tar.gz
+
+tar xzf java.tar.gz --strip-components=1
+rm java.tar.gz

packages/java/15.0.2/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/java/15.0.2/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "java",
+  "version": "15.0.2",
+  "aliases": [],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/java/15.0.2/run

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+java $*

packages/java/15.0.2/test.java

@@ -0,0 +1,5 @@
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("OK");
+    }
+}

packages/jelly/0.1.31/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+source ../../python/3.9.1/build.sh
+
+mkdir -p build
+
+git clone -q https://github.com/DennisMitchell/jellylanguage.git build/jelly
+cd build/jelly
+../../bin/python3.9 setup.py install --optimize=1
+
+cd ../../
+rm -rf build

packages/jelly/0.1.31/metadata.json

@@ -0,0 +1,6 @@
+{
+    "language": "jelly",
+    "version": "0.1.31",
+    "author": "Thomas Hobson <thomas@hexf.me>",
+    "aliases": []
+}

packages/jelly/0.1.31/run

@@ -0,0 +1 @@
+jelly fu $*

packages/jelly/0.1.31/test.jelly

@@ -0,0 +1 @@
+“OK”

packages/kotlin/1.4.31/build.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source ../../java/15.0.2/build.sh
+
+curl -L "https://github.com/JetBrains/kotlin/releases/download/v1.4.31/kotlin-compiler-1.4.31.zip" -o kotlin.zip
+unzip kotlin.zip
+rm kotlin.zip
+
+cp -r kotlinc/* .
+rm -rf kotlinc

packages/kotlin/1.4.31/compile

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to compile source code, remove this file if the language does not require this stage
+kotlinc $* -include-runtime -d code.jar

packages/kotlin/1.4.31/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/kotlin/1.4.31/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "kotlin",
+  "version": "1.4.31",
+  "aliases": ["kt"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/kotlin/1.4.31/run

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+java -jar code.jar

packages/kotlin/1.4.31/test.kt

@@ -0,0 +1,3 @@
+fun main() {
+    println("OK")
+}

packages/mono/6.12.0/build.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 
-mkdir -p build/tmp build/mono
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build/mono
 cd build
 
 curl "https://download.mono-project.com/sources/mono/mono-6.12.0.122.tar.xz" -o mono.tar.xz
@@ -8,12 +10,10 @@ tar xf mono.tar.xz --strip-components=1 -C mono
 
 cd mono
 
-./configure --prefix /piston/packages/mono/6.12.0/mono-6.12.0
+./configure --prefix "$PREFIX"
 
 make -j$(nproc) 
-DESTDIR=build/tmp make install -j$(nproc)
+make install -j$(nproc)
-
-mv build/tmp/piston/packages/mono/6.12.0/mono-6.12.0 ../../mono-6.12.0
 
 cd ../../
 rm -rf build

packages/nasm/2.15.5/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Put instructions to build your package in here
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
+curl -L "https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/nasm-2.15.05.tar.gz" -o nasm.tar.gz
+
+tar xzf nasm.tar.gz --strip-components=1
+
+# === autoconf based ===
+./configure --prefix "$PREFIX"
+
+make -j$(nproc)
+make install -j$(nproc)
+cd ../
+rm -rf build

packages/nasm/2.15.5/compile

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# Put instructions to compile source code, remove this file if the language does not require this stage
+
+
+case "${PISTON_ALIAS}" in
+    nasm)
+        nasm -f elf32 -o binary.o $*
+        ld -m elf_i386 binary.o -o binary
+        ;;
+    nasm64)
+        nasm -f elf64 -o binary.o $*
+        ld -m elf_x86_64 binary.o -o binary
+        ;;
+    *)
+        echo "How did you get here? (${PISTON_ALIAS})"
+        exit 1
+        ;;
+esac
+
+chmod +x ./binary

packages/nasm/2.15.5/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/nasm/2.15.5/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "nasm",
+  "version": "2.15.5",
+  "aliases": ["nasm64"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/nasm/2.15.5/run

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+shift
+./binary $*

packages/nasm/2.15.5/test.nasm.asm

@@ -0,0 +1,16 @@
+SECTION .DATA
+good:     db 'OK',10
+txtlen:  equ $-good
+
+SECTION .TEXT
+GLOBAL _start
+
+_start:
+mov eax,4
+mov ebx,1
+mov ecx,good
+mov edx,txtlen
+int 80h
+mov eax,1
+mov ebx,0
+int 80h

packages/nasm/2.15.5/test.nasm64.asm

@@ -0,0 +1,18 @@
+SECTION .data
+    good:	db "OK", 0x0
+    txtlen:	equ $ - good
+
+SECTION .text
+GLOBAL _start
+
+_start:
+    ;sys_write
+    mov rax, 1
+    mov rdi, 1
+    mov rsi, good
+    mov rdx, txtlen
+    syscall
+    ;sys_exit
+    mov rax, 60
+    mov rdi, 0
+    syscall

packages/node/15.10.0/environment

@@ -0,0 +1 @@
+export PATH=$PWD/bin:$PATH

packages/php-8.0.2/build.sh

@@ -1,20 +0,0 @@
-#!/bin/bash
-
-mkdir -p build/tmp build/php
-cd build
-
-curl "https://www.php.net/distributions/php-8.0.2.tar.gz" -o php.tar.gz
-tar xzf php.tar.gz --strip-components=1 -C php
-
-cd php
-
-
-./configure --prefix /piston/packages/php/8.0.2/php-8.0.2
-
-make -j$(nproc)
-INSTALL_ROOT=build/tmp make install -j$(nproc)
-
-
-mv build/tmp/piston/packages/php/8.0.2/php-8.0.2 ../../php-8.0.2
-
-

packages/php/8.0.2/build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build/php
+cd build
+
+curl "https://www.php.net/distributions/php-8.0.2.tar.gz" -o php.tar.gz
+tar xzf php.tar.gz --strip-components=1 -C php
+
+cd php
+
+
+./configure --prefix "$PREFIX"
+
+make -j$(nproc)
+make install -j$(nproc)
+
+cd ../../
+rm -rf build

packages/python-3.9.1/environment

@@ -1 +0,0 @@
-export PATH=$PWD:$PATH

packages/python/3.9.1/build.sh

@@ -1,10 +1,20 @@
 #!/bin/bash
 
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
 curl "https://www.python.org/ftp/python/3.9.1/Python-3.9.1.tgz" -o python.tar.gz
 tar xzf python.tar.gz --strip-components=1
 rm python.tar.gz
 
-./configure --prefix /piston/packages/python/3.9.1/python-3.9.1
+./configure --prefix "$PREFIX" --with-ensurepip=install
 make -j$(nproc)
-ln -s python python3.9
+make install -j$(nproc)
+
+cd ..
+
+rm -rf build 
 

packages/python/3.9.1/environment

@@ -0,0 +1 @@
+export PATH=$PWD/bin:$PATH

packages/typescript/4.2.3/build.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+source ../../node/15.10.0/build.sh
+
+source ./environment
+
+bin/npm install -g typescript@4.2.3

packages/typescript/4.2.3/compile

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+# Put instructions to compile source code, remove this file if the language does not require this stage
+
+tsc $*

packages/typescript/4.2.3/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Put 'export' statements here for environment variables
+export PATH=$PWD/bin:$PATH

packages/typescript/4.2.3/metadata.json

@@ -0,0 +1,6 @@
+{
+  "language": "typescript",
+  "version": "4.2.3",
+  "aliases": ["ts","node-ts","tsc"],
+  "author": "Thomas Hobson <git@hexf.me>"
+}

packages/typescript/4.2.3/run

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# Put instructions to run the runtime
+
+CODE=$(sed 's/ts$/js/' <<<"$1")
+shift
+
+node $CODE $*

packages/typescript/4.2.3/test.ts

@@ -0,0 +1 @@
+console.log("OK")

repo/entrypoint.sh

@@ -1,11 +1,11 @@
-cd /packages
+cd /piston/packages
 
 for pkg in "$@"
 do
     make -j16 $pkg.pkg.tar.gz
 done
 
-cd /repo
+cd /piston/repo
 ./mkindex.sh
 
 python3 -m http.server

shell.nix

@@ -1,5 +1,5 @@
 { pkgs ? import <nixpkgs> {} }:
   pkgs.mkShell {
     # nativeBuildInputs is usually what you want -- tools you need to run
-    nativeBuildInputs = [ pkgs.nodejs-15_x pkgs.yarn ];
+    nativeBuildInputs = [ pkgs.nodejs-15_x pkgs.yarn pkgs.jq ];
 }