balena-cli/automation/check-npm-version.js
Paulo Castro e7c89cf77c Add npm preinstall check for npm version 6.9.0 or later
Older npm versions cause the npm-shrinkwrap.json file to be incorrectly
updated. This should avoid regression bugs related to issue #1332.
https://github.com/balena-io/balena-cli/issues/1332

Change-type: patch
Signed-off-by: Paulo Castro <paulo@balena.io>
2019-10-17 15:43:21 +01:00

63 lines
1.9 KiB
JavaScript

#!/usr/bin/env node
'use strict';
/**
* Check that semver v1 is greater than or equal to semver v2.
*
* We don't `require('semver')` to allow this script to be run as a npm
* 'preinstall' hook, at which point no dependencies have been installed.
*/
function semverGte(v1, v2) {
let v1Array, v2Array; // number[]
try {
const [, major1, minor1, patch1] = /v?(\d+)\.(\d+).(\d+)/.exec(v1);
const [, major2, minor2, patch2] = /v?(\d+)\.(\d+).(\d+)/.exec(v2);
v1Array = [parseInt(major1), parseInt(minor1), parseInt(patch1)];
v2Array = [parseInt(major2), parseInt(minor2), parseInt(patch2)];
} catch (err) {
throw new Error(`Invalid semver versions: '${v1}' or '${v2}'`);
}
for (let i = 0; i < 3; i++) {
if (v1Array[i] < v2Array[i]) {
return false;
} else if (v1Array[i] > v2Array[i]) {
return true;
}
}
return true;
}
function _testSemverGet() {
const assert = require('assert').strict;
assert(semverGte('6.4.1', '6.4.1'));
assert(semverGte('6.4.1', 'v6.4.1'));
assert(semverGte('v6.4.1', '6.4.1'));
assert(semverGte('v6.4.1', 'v6.4.1'));
assert(semverGte('6.4.1', '6.4.0'));
assert(semverGte('6.4.1', '6.3.1'));
assert(semverGte('6.4.1', '5.4.1'));
assert(!semverGte('6.4.1', '6.4.2'));
assert(!semverGte('6.4.1', '6.5.1'));
assert(!semverGte('6.4.1', '7.4.1'));
assert(semverGte('v6.4.1', 'v4.0.0'));
assert(!semverGte('v6.4.1', 'v6.9.0'));
assert(!semverGte('v6.4.1', 'v7.0.0'));
}
function checkNpmVersion() {
const execSync = require('child_process').execSync;
const npmVersion = execSync('npm --version')
.toString()
.trim();
const requiredVersion = '6.9.0';
if (!semverGte(npmVersion, requiredVersion)) {
console.error(`\
Error: npm version '${npmVersion}' detected. Please upgrade to npm v${requiredVersion} or later
because of a bug affecting older versions in relation to the npm-shrinkwrap.json file.`);
process.exit(1);
}
}
checkNpmVersion();