From c65aea04b1f22993ccccb31c48822aec1bcf895e Mon Sep 17 00:00:00 2001
From: Timmy6942025 <timothy.thomas2011@hotmail.com>
Date: Fri, 27 Mar 2026 18:00:04 +0000
Subject: [PATCH] fix: use uname -m for architecture detection

The HOSTTYPE/MACHTYPE environment variables can be incorrect
in some environments (e.g., GitHub Codespaces), causing
arm64 machines to try to run x86_64 binaries.

Now prioritizes uname -m for reliable architecture detection.
---
 fpf | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fpf b/fpf
index a502d6a..4446266 100755
--- a/fpf
+++ b/fpf
@@ -48,16 +48,14 @@ main() {
                 ;;
         esac
 
-        case "${HOSTTYPE:-${MACHTYPE:-}}" in
+        uname_m="$(uname -m 2>/dev/null || true)"
+        case "${uname_m}" in
             *x86_64*|*amd64*)
                 uname_m="x86_64"
                 ;;
             *aarch64*|*arm64*)
                 uname_m="arm64"
                 ;;
-            *)
-                uname_m="$(uname -m 2>/dev/null || true)"
-                ;;
         esac
     else
         uname_s="$(uname -s 2>/dev/null || true)"