Fix xwayland-game-wrapper

xwayland-game-wrapper

@@ -88,8 +88,9 @@ done
 (( "${OPTIND}" > ${#} )) && print_help "${0}"
 shift $(( "${OPTIND}" - 1))
 
-{
-    set -e
+function () {
+    emulate -L zsh
+    setopt errexit
     [[ -v window_manager ]] ||
         window_manager='openbox'
     [[ -v current_desktop ]] ||
@@ -105,7 +106,7 @@ function on_sigchld {
     exit 1
 }
 
-trap on_sigchld CHLD
+#trap on_sigchld CHLD
 
 coproc Xwayland -fullscreen -geometry "${resolution}" -displayfd 1
 local xwayland_display
@@ -118,8 +119,11 @@ cat <&p >&2
 let cat_pid="${!}"
 
 sh -c "exec -- ${window_manager}" &
-
 sh -c "exec -- ${@}"
+let child_error_code="${?}"
+if (( ${child_error_code} )); then
+    printf 'Child exited with error code %d\n' "${child_error_code}"
+fi
 trap -
 kill %sh %Xwayland