From 85b760ebbd1978f5e52d8a70add1f76e8e86a263 Mon Sep 17 00:00:00 2001
From: rami3l <rami3l@outlook.com>
Date: Wed, 1 May 2024 14:20:33 +0800
Subject: [PATCH] fix(dist/arm): don't assume `armv7` if `/proc/cpuinfo` is
 unavailable

---
 rustup-init.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rustup-init.sh b/rustup-init.sh
index ce4b03cc1e..3219df7eca 100755
--- a/rustup-init.sh
+++ b/rustup-init.sh
@@ -539,8 +539,9 @@ get_architecture() {
     # and fall back to arm.
     # See https://github.com/rust-lang/rustup.rs/issues/587.
     if [ "$_ostype" = "unknown-linux-gnueabihf" ] && [ "$_cputype" = armv7 ]; then
-        if ensure grep '^Features' /proc/cpuinfo | grep -E -q -v 'neon|simd'; then
-            # At least one processor does not have NEON (which is asimd on armv8+).
+        if ! (ensure grep '^Features' /proc/cpuinfo | grep -E -q 'neon|simd') ; then
+            # Either `/proc/cpuinfo` is malformed or unavailable, or
+            # at least one processor does not have NEON (which is asimd on armv8+).
             _cputype=arm
         fi
     fi