clean child stderr; need sort out

bin/miaou-bash

@@ -290,7 +290,6 @@ function dump_failure {
 function save_err_trace_to_main {
   miaou_debug "<save_stacktrace_to_stderr count=${#error_source[@]} to=${MIAOU_BASH_ERROR_CHILDREN}>"
   local i source lineno funcname
-  for i in "${tmp_error[@]}"; do >>"$MIAOU_BASH_ERROR_CHILDREN" echo "$i"; done
   for i in "${!error_source[@]}"; do
     source="${error_source[$i]}"
     lineno="${error_lineno[$i]}"
@@ -298,6 +297,7 @@ function save_err_trace_to_main {
     miaou_debug "<trace source=${source} lineno=${lineno} funcname=${funcname}/>"
     >>"$MIAOU_BASH_ERROR_CHILDREN" echo -e "\tmiaou_trace: source=${source} lineno=${lineno} funcname=${funcname}"
   done
+  for i in "${tmp_error[@]}"; do >>"$MIAOU_BASH_ERROR_CHILDREN" echo "$i"; done
   miaou_debug "</save_stacktrace_to_stderr>"
 }
 
@@ -323,7 +323,25 @@ function dump_stacktrace {
 function load_tmp_error {
   miaou_debug "<load_tmp_error from=$MIAOU_BASH_ERROR>"
   if [[ ! -v tmp_error ]]; then
+    local count count_children tmp_error_children
+    if [[ -f "$MIAOU_BASH_ERROR_CURRENT_CHILDREN" ]]; then
+      miaou_debug "<tmp_children found=$MIAOU_BASH_ERROR_CURRENT_CHILDREN>"
+      mapfile -t tmp_error_children <"$MIAOU_BASH_ERROR_CURRENT_CHILDREN"
+      local count_children=${#tmp_error_children[@]}
+      if [[ $count_children == 0 ]]; then
+        miaou_debug "<tmp_error_children empty/>"
+      else
+        miaou_debug "<tmp_error_children count=${count_children}>"
+      fi
+      miaou_debug "</tmp_children>"
+      rm "$MIAOU_BASH_ERROR_CURRENT_CHILDREN"
+    fi
+
     mapfile -t tmp_error <"$MIAOU_BASH_ERROR"
+
+    if [[ -v count_children && $count_children -gt 0 ]]; then
+      tmp_error=("${tmp_error[@]}" "${tmp_error_children[@]}")
+    fi
     local count=${#tmp_error[@]}
     if [[ $count == 0 ]]; then
       miaou_debug "<tmp_error empty/>"
@@ -448,21 +466,18 @@ function build_miaou_bash_error {
   [[ -f "${directory}/${PPID}.tmp" ]] && CHILD_PROCESS=true
 
   mkdir -p "$directory"
-  if is_true $CHILD_PROCESS; then
-    MIAOU_BASH_ERROR_CHILDREN="${directory}/${PPID}.children.tmp"
-  fi
+  MIAOU_BASH_ERROR_CURRENT_CHILDREN="${directory}/$$.children.tmp"
+  MIAOU_BASH_ERROR_CHILDREN="${directory}/${PPID}.children.tmp"
   MIAOU_BASH_ERROR="${directory}/$$.tmp"
   rm -f "$MIAOU_BASH_ERROR"
 
-  readonly MIAOU_BASH_ERROR_CHILDREN MIAOU_BASH_ERROR CHILD_PROCESS
+  readonly MIAOU_BASH_ERROR_CURRENT_CHILDREN MIAOU_BASH_ERROR_CHILDREN MIAOU_BASH_ERROR CHILD_PROCESS
 }
 
 function cleanup {
-  if ! is_true $CHILD_PROCESS; then
-    miaou_debug '<cleanup main/>'
-    trap - ERR EXIT PIPE RETURN
-    # rm "$MIAOU_BASH_ERROR"
-  fi
+  miaou_debug '<cleanup />'
+  trap - ERR EXIT PIPE RETURN
+  rm -f "$MIAOU_BASH_ERROR"
 }
 
 ## main