From f08765159ac98a6dd5927c373a9c6199db434426 Mon Sep 17 00:00:00 2001
From: Nick Chambers <uplime@spookyinternet.com>
Date: Sun, 4 Jul 2021 04:59:50 -0500
Subject: [PATCH] Add more utility functions

---
 rowbot | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/rowbot b/rowbot
index c4e68e2..342e149 100755
--- a/rowbot
+++ b/rowbot
@@ -120,6 +120,35 @@ die() {
   exit "${STATUS:-42}"
 }
 
+get_option() {
+  if (( $# != 2 )); then
+    return 1
+  fi
+
+  local option_name=${1//-/_}
+  declare -n option_var=$option_name
+
+  if [[ -v opts[$1] ]]; then
+    option_var=${opts[log-level]}
+  elif [[ ! -v $option_name ]]; then
+    # This variable is only used for assignment.
+    # shellcheck disable=SC2034
+    option_var=$2
+  fi
+}
+
+has() {
+  if (( $# )); then
+    hash "$1" 2>/dev/null
+  else
+    return 1
+  fi
+}
+
+is_parent() {
+  (( BASHPID == $$ ))
+}
+
 is_reloaded() {
   [[ $RELOADED = yes ]] || (( LORE_LIVES > 1 ))
 }