Save bell sequence to var to save time on bell

We do all our other 'tput' calls in _lp_source_config() to save time
while running, so why not do the bell as well.
Also move the bell check out of the runtime function, since it's
something that isn't actually tied to the runtime enabled config.

liquidprompt

@@ -132,6 +132,7 @@ _lp_source_config() {
 
     local ti_sgr0="$( { tput sgr0 || tput me ; } 2>/dev/null )"
     local ti_bold="$( { tput bold || tput md ; } 2>/dev/null )"
+    _LP_TI_BELL="$( { tput bel || tput bl ; } 2>/dev/null )"
     if tput setaf 0 >/dev/null 2>&1; then
         foreground_color() { af_color="${af_colors[$1+1]:=$(tput setaf $1)}"; }
     elif tput AF 0 >/dev/null 2>&1; then
@@ -1499,12 +1500,6 @@ _lp_runtime() {
         (( _LP_RUNTIME_SECONDS >= 60 )) && echo -n $((_LP_RUNTIME_SECONDS % 3600 / 60))m
         echo -n $((_LP_RUNTIME_SECONDS % 60))"s${NO_COL}"
     fi
-    if (( LP_ENABLE_RUNTIME_BELL && _LP_RUNTIME_SECONDS >= LP_RUNTIME_BELL_THRESHOLD ))
-    then
-        #bash reprints $PS1 on every SIGWINCH, so we tput to stderr here so the bell is not
-        #captured in PS1.  This way the bell only rings once, not on every terminal resize.
-        { tput bel || tput bl ; } >&2 2>/dev/null
-    fi
     :
 }
 
@@ -1874,6 +1869,10 @@ _lp_set_prompt() {
     # bash: execute the old prompt hook
     eval "$LP_OLD_PROMPT_COMMAND"
 
+    if (( LP_ENABLE_RUNTIME_BELL && _LP_RUNTIME_SECONDS >= LP_RUNTIME_BELL_THRESHOLD )); then
+        printf '%s' "$_LP_TI_BELL"
+    fi
+
     # if change of working directory
     if [[ "${LP_OLD_PWD-}" != "LP:$PWD" ]]; then
         # Update directory icon for MacOS X