rvm-windows/src/cli/tasks/_scan.js

Ruby Version Manager 4 Windows

#!/usr/bin/env node
const {execSync} = require('child_process');
const Fs = require('fs');
const File = require('ruby-nice/file');
const Dir = require('ruby-nice/dir');
require('ruby-nice/object');
const FileUtils = require('ruby-nice/file-utils');

var RvmCliTools = require('./../_tools');
var RvmCliFix = require('./_fix');
var RvmCliList = require('./_list');

class RvmCliScan {
    static runScan() {
        const self = RvmCliScan;
        console.log(`Scanning for installed rubies and add them to list ...\n`);
        self.scanMissingEnvironmentPaths();
        RvmCliFix.fixEnvironmentVersions();
        RvmCliFix.fixWrapperFiles();
        RvmCliList.runListVerbose();
    }

    /**
     * Check for ruby installations not listed in config envs
     *
     * @param {boolean} write=true write new paths to config
     * @return {Array<string>} array of all paths found
     */
    static scanMissingEnvironmentPaths(write=true) {
        const self = RvmCliScan;
        let paths = [];
        try {
            let paths = execSync(`chcp 65001 > NUL & where ruby`, { stdio: 'pipe'}).toString();
            paths = paths.split("\n").map(e => e.trim());
        } catch (e) {
            // no installed ruby in PATH available
        }
        paths = paths.concat(Dir.glob("C:\\Program Files\\Ruby*"));
        paths = paths.concat(Dir.glob("C:\\Ruby*"));
        paths = paths.concat(Dir.glob(RvmCliTools.getRvmDataDir() + '/envs/*'));
        let new_config = RvmCliTools.config();
        paths.eachWithIndex((path, i) => {
            if(path) {
                path = File.normalizePath(path.trim());
                path = path.replace("/bin/ruby.exe", "");
                if(!Object.values(new_config).includes(path)) {
                    new_config.envs["unknown_" + i] = File.normalizePath(path);
                }
            }
        });
        if(write) {
            RvmCliTools.writeRvmConfig(new_config);
        }
        return paths;
    }
}

module.exports = RvmCliScan;