colored hint message

bin/miaou-bash

@@ -370,14 +370,31 @@ function dump_stacktrace {
   for i in "${!error_source[@]}"; do
     tty_ansi FG_MAGENTA
     echo -n "     ╟──▷"
-    [[ $i -gt 0 ]] && tty_ansi FG_GRAY
     tty_ansi STYLE_ITALIC
     source="${error_source[$i]}"
     lineno="${error_lineno[$i]}"
     funcname="${error_funcname[$i]}"
+
+    local hint regex='(^.*) \(hint: (.*)\)$'
+    if [[ "$funcname" =~ $regex ]]; then
+      hint="${BASH_REMATCH[2]}"
+      funcname="${BASH_REMATCH[1]} (hint: "
+    else
+      unset hint
+      [[ $i -gt 0 ]] && tty_ansi FG_GRAY
+    fi
+
     printf "%40s:%.4s" "$source" "$lineno"
     tty_ansi RESET
     printf " \t%s" "$funcname"
+
+    if [[ -v hint ]]; then
+      tty_ansi FG_YELLOW
+      printf "$hint"
+      tty_ansi RESET
+      printf ')'
+    fi
+
     echo
   done
   miaou_debug '</stacktrace>'

test/miaou-bash.test.bash

@@ -63,7 +63,7 @@ fail_type exit EXIT
 fail_type command_not_found COMMAND_NOT_FOUND
 fail_type source_not_found SOURCE_NOT_FOUND
 fail_type file_not_found FILE_NOT_FOUND
-fail_type child_error CHILD_ERROR '(hint: prefer source than child process)'
+fail_type child_error CHILD_ERROR 'prefer source than child process'
 
 failed=${#failures[@]}
 success=$((test_count - failed))