diff --git a/misc/tools.func b/misc/tools.func
index b632665..6cecb7b 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -928,3 +928,43 @@ function setup_gs() {
     msg_error "Ghostscript installation failed"
   fi
 }
+
+enable_curl_strict_error_handling() {
+  set -eE -o pipefail
+  trap '__curl_err_handler $?' ERR
+}
+
+__curl_err_handler() {
+  local exit_code="$1"
+  local cmd="${BASH_COMMAND:-unknown}"
+  if [[ "$cmd" != curl* ]]; then
+    return
+  fi
+
+  case $exit_code in
+  1) msg_error "Unsupported protocol in: $cmd" ;;
+  2) msg_error "Failed curl initialization in: $cmd" ;;
+  3) msg_error "Malformed URL in: $cmd" ;;
+  5) msg_error "Could not resolve proxy in: $cmd" ;;
+  6) msg_error "Could not resolve host in: $cmd" ;;
+  7) msg_error "Failed to connect to host in: $cmd" ;;
+  9) msg_error "Access denied to remote resource in: $cmd" ;;
+  18) msg_error "Partial file transfer detected in: $cmd" ;;
+  22) msg_error "HTTP error response in: $cmd" ;;
+  23) msg_error "Write error during transfer in: $cmd" ;;
+  26) msg_error "Read error from local file in: $cmd" ;;
+  28) msg_error "Operation timed out in: $cmd" ;;
+  35) msg_error "SSL connect error in: $cmd" ;;
+  47) msg_error "Too many redirects in: $cmd" ;;
+  51) msg_error "SSL certificate verification failed in: $cmd" ;;
+  52) msg_error "Empty response from server in: $cmd" ;;
+  55) msg_error "Send error during transfer in: $cmd" ;;
+  56) msg_error "Receive error during transfer in: $cmd" ;;
+  60) msg_error "SSL CA certificate not trusted in: $cmd" ;;
+  67) msg_error "Login denied by server in: $cmd" ;;
+  78) msg_error "Remote file not found (404) in: $cmd" ;;
+  *) msg_error "Unhandled curl error (exit $exit_code) in: $cmd" ;;
+  esac
+
+  exit_script
+}