alwaysai/lib/components/check-for-openssh-component.js

The alwaysAI command-line interface (CLI)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ora = require("ora");
const alwayscli_1 = require("@alwaysai/alwayscli");
const echo_1 = require("../util/echo");
const child_process_1 = require("child_process");
const util_1 = require("util");
const OPENSSH = 'OpenSSH';
async function checkForOpensshComponent() {
    const spinner = ora(`Check for OpenSSH-compatible ssh client`).start();
    spinner.start();
    try {
        // Note: ssh -V writes the version string to stderr, not stdout
        const output = await util_1.promisify(child_process_1.execFile)('ssh', ['-V'], { encoding: 'utf8' });
        if (!output.stderr.startsWith(OPENSSH)) {
            throw new Error(`Expected the command "ssh -V" to write a string "${OPENSSH}..." to stderr. Instead got "${output.stderr}" for stderr and "${output.stdout} for stdout"`);
        }
        spinner.succeed();
    }
    catch (ex) {
        spinner.fail('Command "ssh -V" failed');
        echo_1.echo(ex.message);
        echo_1.echo();
        echo_1.echo(`Please install the ${OPENSSH} suite of secure networking utilities, and make sure that its executables are available on your PATH.`);
        echo_1.echo();
        throw new alwayscli_1.TerseError('Command "ssh -V" either failed or did not produce the expected result');
    }
}
exports.checkForOpensshComponent = checkForOpensshComponent;
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