참고소스 수정본

참고/playwright-main/packages/utils/linuxUtils.ts

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+/**
+ * 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.
+ */
+
+import fs from 'fs';
+
+let didFailToReadOSRelease = false;
+let osRelease: {
+  id: string,
+  version: string,
+} | undefined;
+
+export function getLinuxDistributionInfoSync(): { id: string, version: string } | undefined {
+  if (process.platform !== 'linux')
+    return undefined;
+  if (!osRelease && !didFailToReadOSRelease) {
+    try {
+      // List of /etc/os-release values for different distributions could be
+      // found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
+      const osReleaseText = fs.readFileSync('/etc/os-release', 'utf8');
+      const fields = parseOSReleaseText(osReleaseText);
+      osRelease = {
+        id: fields.get('id') ?? '',
+        version: fields.get('version_id') ?? '',
+      };
+    } catch (e) {
+      didFailToReadOSRelease = true;
+    }
+  }
+  return osRelease;
+}
+
+function parseOSReleaseText(osReleaseText: string): Map<string, string> {
+  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;
+}