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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getLinuxDistributionInfo = getLinuxDistributionInfo;
exports.getLinuxDistributionInfoSync = getLinuxDistributionInfoSync;
var _fs = _interopRequireDefault(require("fs"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
let didFailToReadOSRelease = false;
let osRelease;
async function getLinuxDistributionInfo() {
if (process.platform !== 'linux') return undefined;
if (!osRelease && !didFailToReadOSRelease) {
try {
var _fields$get, _fields$get2;
// List of /etc/os-release values for different distributions could be
// found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
const osReleaseText = await _fs.default.promises.readFile('/etc/os-release', 'utf8');
const fields = parseOSReleaseText(osReleaseText);
osRelease = {
id: (_fields$get = fields.get('id')) !== null && _fields$get !== void 0 ? _fields$get : '',
version: (_fields$get2 = fields.get('version_id')) !== null && _fields$get2 !== void 0 ? _fields$get2 : ''
};
} catch (e) {
didFailToReadOSRelease = true;
}
}
return osRelease;
}
function getLinuxDistributionInfoSync() {
if (process.platform !== 'linux') return undefined;
if (!osRelease && !didFailToReadOSRelease) {
try {
var _fields$get3, _fields$get4;
// List of /etc/os-release values for different distributions could be
// found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
const osReleaseText = _fs.default.readFileSync('/etc/os-release', 'utf8');
const fields = parseOSReleaseText(osReleaseText);
osRelease = {
id: (_fields$get3 = fields.get('id')) !== null && _fields$get3 !== void 0 ? _fields$get3 : '',
version: (_fields$get4 = fields.get('version_id')) !== null && _fields$get4 !== void 0 ? _fields$get4 : ''
};
} catch (e) {
didFailToReadOSRelease = true;
}
}
return osRelease;
}
function parseOSReleaseText(osReleaseText) {
const fields = new Map();
for (const line of osReleaseText.split('\n')) {
const tokens = line.split('=');
const name = tokens.shift();
let value = tokens.join('=').trim();
if (value.startsWith('"') && value.endsWith('"')) value = value.substring(1, value.length - 1);
if (!name) continue;
fields.set(name.toLowerCase(), value);
}
return fields;
}