From b0900fe25a7bb262c62119cd13f78fb79d2101ba Mon Sep 17 00:00:00 2001
From: "Zaiming (Stone) Shi" <zmstone@gmail.com>
Date: Wed, 2 Mar 2022 19:36:10 +0100
Subject: [PATCH] build(update-appup): fix ARCH resolution

---
 scripts/update-appup.sh | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/scripts/update-appup.sh b/scripts/update-appup.sh
index e1ef0c3c0..db0759695 100755
--- a/scripts/update-appup.sh
+++ b/scripts/update-appup.sh
@@ -41,18 +41,20 @@ shift 1
 ESCRIPT_ARGS="$*"
 
 SYSTEM="${SYSTEM:-$(./scripts/get-distro.sh)}"
-ARCH="${ARCH:-$(uname -m)}"
-case "$ARCH" in
-    x86_64)
-        ARCH='amd64'
-        ;;
-    aarch64)
-        ARCH='arm64'
-        ;;
-    arm*)
-        ARCH=arm
-        ;;
-esac
+if [ -z "${ARCH:-}" ]; then
+    UNAME="$(uname -m)"
+    case "$UNAME" in
+        x86_64)
+            ARCH='amd64'
+            ;;
+        aarch64)
+            ARCH='arm64'
+            ;;
+        arm*)
+            ARCH='arm'
+            ;;
+    esac
+fi
 
 PACKAGE_NAME="${PROFILE}-${SYSTEM}-${PREV_VERSION}-${ARCH}.zip"
 DOWNLOAD_URL="https://www.emqx.com/downloads/${DIR}/v${PREV_VERSION}/${PACKAGE_NAME}"