From c73a2909f747b92126ac42aa4c8c3968f6c37124 Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Sun, 7 Jan 2024 10:36:15 -0500
Subject: [PATCH] Update alpine-install.func

add spinner, attempt 2
---
 misc/alpine-install.func | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/misc/alpine-install.func b/misc/alpine-install.func
index 39e76d8f..2d031bdc 100644
--- a/misc/alpine-install.func
+++ b/misc/alpine-install.func
@@ -34,6 +34,8 @@ catch_errors() {
 }
 
 error_handler() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\033[?25h"
   local exit_code="$?"
   local line_number="$1"
   local command="$2"
@@ -41,17 +43,37 @@ error_handler() {
   echo -e "\n$error_message\n"
 }
 
-msg_info() {
-  local msg="$1"
-  echo -ne " ${HOLD} ${YW}${msg}..."
+# This function displays a spinner.
+spinner() {
+  printf "\033[?25l"
+  spinner="/-\\|/-\\|"
+  spin_i=0
+  while true; do
+    printf "\b%s" "${spinner:spin_i++%${#spinner}:1}"
+    sleep 0.1
+  done
 }
 
+# This function displays an informational message with a yellow color.
+msg_info() {
+  local msg="$1"
+  echo -ne " ${HOLD} ${YW}${msg}   "
+  spinner &
+  SPINNER_PID=$!
+}
+
+# This function displays a success message with a green color.
 msg_ok() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\033[?25h"
   local msg="$1"
   echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
+# This function displays a error message with a red color.
 msg_error() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\033[?25h"
   local msg="$1"
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }