From ee734668308df4549eb2ddbd7fed7911dc3a7ba3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Mon, 21 Dec 2020 19:18:50 +0200
Subject: Use /etc/os-release to check for NixOS

The motivation in #5641 isn't too strong, but /etc/os-release exists on
pretty much every Linux distro, while /etc/nixos sounds like an
implementation detail.
---
 editors/code/src/main.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/editors/code/src/main.ts b/editors/code/src/main.ts
index 191960960..4eaaed62b 100644
--- a/editors/code/src/main.ts
+++ b/editors/code/src/main.ts
@@ -340,7 +340,7 @@ async function getServer(config: Config, state: PersistentState): Promise<string
     });
 
     // Patching executable if that's NixOS.
-    if (await fs.stat("/etc/nixos").then(_ => true).catch(_ => false)) {
+    if (await isNixOs()) {
         await patchelf(dest);
     }
 
@@ -348,6 +348,15 @@ async function getServer(config: Config, state: PersistentState): Promise<string
     return dest;
 }
 
+async function isNixOs(): Promise<boolean> {
+    try {
+        const contents = await fs.readFile("/etc/os-release");
+        return contents.indexOf("ID=nixos") !== -1;
+    } catch (e) {
+        return false;
+    }
+}
+
 async function downloadWithRetryDialog<T>(state: PersistentState, downloadFunc: () => Promise<T>): Promise<T> {
     while (true) {
         try {
-- 
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