From 867a10f03f1049c182fcd008e8e09e554f82e2f8 Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Sat, 6 Jan 2024 17:15:45 -0500
Subject: [PATCH] Add new element - add spinner

---
 ct/create_lxc.sh  | 31 +++++++++++++++++++++++++------
 misc/build.func   | 24 ++++++++++++++++++++++--
 misc/install.func | 32 ++++++++++++++++++++++++++------
 3 files changed, 73 insertions(+), 14 deletions(-)

diff --git a/ct/create_lxc.sh b/ct/create_lxc.sh
index 34b78f09..ee29e706 100644
--- a/ct/create_lxc.sh
+++ b/ct/create_lxc.sh
@@ -25,6 +25,8 @@ trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 
 # This function handles errors
 function error_handler() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\e[?25h"
   local exit_code="$?"
   local line_number="$1"
   local command="$2"
@@ -32,20 +34,37 @@ function error_handler() {
   echo -e "\n$error_message\n"
 }
 
-# This function prints an informational message
-function msg_info() {
-  local msg="$1"
-  echo -ne " ${HOLD} ${YW}${msg}..."
+# This function displays a spinner.
+function spinner() {
+  printf "\e[?25l"
+  spinner="/-\\|/-\\|"
+  spin_i=0
+  while true; do
+    printf "\b%s" "${spinner:spin_i++%${#spinner}:1}"
+    sleep 0.1
+  done
 }
 
-# This function prints a success message
+# This function displays an informational message with a yellow color.
+function msg_info() {
+  local msg="$1"
+  echo -ne " ${HOLD} ${YW}${msg}   "
+  spinner &
+  SPINNER_PID=$!
+}
+
+# This function displays a success message with a green color.
 function msg_ok() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
-# This function prints an error message
+# This function displays a error message with a red color.
 function msg_error() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }
diff --git a/misc/build.func b/misc/build.func
index ed04d262..37dec4f0 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -27,6 +27,8 @@ catch_errors() {
 
 # This function is called when an error occurs. It receives the exit code, line number, and command that caused the error, and displays an error message.
 error_handler() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\e[?25h"
   local exit_code="$?"
   local line_number="$1"
   local command="$2"
@@ -34,20 +36,38 @@ error_handler() {
   echo -e "\n$error_message\n"
 }
 
+# This function displays a spinner.
+spinner() {
+  printf "\e[?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}..."
+  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 "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
-# This function displays an error message with a red color.
+# 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 "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }
diff --git a/misc/install.func b/misc/install.func
index e3527fb4..66da53d2 100644
--- a/misc/install.func
+++ b/misc/install.func
@@ -36,6 +36,8 @@ catch_errors() {
 
 # This function handles errors
 error_handler() {
+  if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
+  printf "\e[?25h"
   local exit_code="$?"
   local line_number="$1"
   local command="$2"
@@ -46,20 +48,38 @@ error_handler() {
   fi
 }
 
-# This function prints an informational message
-msg_info() {
-  local msg="$1"
-  echo -ne " ${HOLD} ${YW}${msg}..."
+# This function displays a spinner.
+spinner() {
+  printf "\e[?25l"
+  spinner="/-\\|/-\\|"
+  spin_i=0
+  while true; do
+    printf "\b%s" "${spinner:spin_i++%${#spinner}:1}"
+    sleep 0.1
+  done
 }
 
-# This function prints a success message
+# 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 "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
-# This function prints an error message
+# 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 "\e[?25h"
   local msg="$1"
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }