From 57ed94c4218e2a3dddc7eee4982d95dfec9ad7f4 Mon Sep 17 00:00:00 2001
From: Bo Anderson <mail@boanderson.me>
Date: Mon, 9 Jun 2025 19:59:41 +0100
Subject: [PATCH] cmd/vendor-install: fix exit code handling for curl

---
 Library/Homebrew/cmd/vendor-install.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/vendor-install.sh b/Library/Homebrew/cmd/vendor-install.sh
index 8825d9fccd..3d58dab372 100644
--- a/Library/Homebrew/cmd/vendor-install.sh
+++ b/Library/Homebrew/cmd/vendor-install.sh
@@ -101,6 +101,7 @@ fetch() {
   local first_try=1
   local vendor_locations
   local temporary_path
+  local curl_exit_code=0
 
   curl_args=()
 
@@ -149,19 +150,27 @@ fetch() {
         # HOMEBREW_CURL is set by brew.sh (and isn't misspelt here)
         # shellcheck disable=SC2153
         "${HOMEBREW_CURL}" "${curl_args[@]}" -C - "${url}" -o "${temporary_path}"
-        if [[ $? -eq 33 ]]
+        curl_exit_code="$?"
+        if [[ "${curl_exit_code}" -eq 33 ]]
         then
           [[ -n "${HOMEBREW_QUIET}" ]] || echo "Trying a full download" >&2
           rm -f "${temporary_path}"
           "${HOMEBREW_CURL}" "${curl_args[@]}" "${url}" -o "${temporary_path}"
+          curl_exit_code="$?"
         fi
       else
         "${HOMEBREW_CURL}" "${curl_args[@]}" "${url}" -o "${temporary_path}"
+        curl_exit_code="$?"
       fi
 
       [[ -f "${temporary_path}" ]] && break
     done
 
+    if [[ "${curl_exit_code}" -ne 0 ]]
+    then
+      rm -f "${temporary_path}"
+    fi
+
     if [[ ! -f "${temporary_path}" ]]
     then
       vendor_locations="$(printf "  - %s\n" "${VENDOR_URLs[@]}")"