Merge branch 'master' into mobileraker

# Conflicts:
#	scripts/ui/update_menu.sh

.gitignore

@@ -1 +1,3 @@
-klipper_repos.txt
+.vscode
+*.code-workspace
+klipper_repos.txt

README.md

@@ -33,7 +33,7 @@ that you have a functional Linux system on hand. `Raspberry Pi OS Lite (32bit)`
 if you are using a Raspberry Pi. The [official Raspberry Pi Imager](https://www.raspberrypi.com/software/) 
 is the simplest way to flash an image like this to an SD card.
 
-* Once you downloaded, installed and launched the Raspberry Pi Imager 
+* Once you have downloaded, installed and launched the Raspberry Pi Imager, 
 select `Choose OS -> Raspberry Pi OS (other)`: \
 <p align="center">
   <img src="https://raw.githubusercontent.com/th33xitus/kiauh/master/resources/screenshots/rpi_imager1.png" alt="KIAUH logo" height="350">
@@ -47,7 +47,7 @@ select `Choose OS -> Raspberry Pi OS (other)`: \
 * Back in the Raspberry Pi Imager's main menu, select the corresponding SD card to which 
 you want to flash the image.
 
-* Make sure to go into the Advaced Option (the cog icon in the lower left corner of the main menu)
+* Make sure to go into the Advanced Option (the cog icon in the lower left corner of the main menu)
 and enable SSH and configure Wi-Fi.
 
 * If you need more help for using the Raspberry Pi Imager, please visit the [official documentation](https://www.raspberrypi.com/documentation/computers/getting-started.html).
@@ -64,18 +64,18 @@ distributions based on Debian 11 Bullseye. Read the notes further down below in
 * **Step 1:** \
 To download this script, it is necessary to have git installed. If you don't have git already installed, or if you are unsure, run the following command:
 ```shell
-sudo apt-get install git -y
+sudo apt-get update && sudo apt-get install git -y
 ```
 
 * **Step 2:** \
-Once git is installed, use the following command to download KIAUH into your home-directoy:
+Once git is installed, use the following command to download KIAUH into your home-directory:
 
 ```shell
 cd ~ && git clone https://github.com/th33xitus/kiauh.git
 ```
 
 * **Step 3:** \
-Finally start KIAUH by running the next command:
+Finally, start KIAUH by running the next command:
 
 ```shell
 ./kiauh/kiauh.sh
@@ -179,3 +179,12 @@ prompt and confirm by hitting ENTER.
 * A big thank you to [lixxbox](https://github.com/lixxbox) for that awesome KIAUH-Logo!
 * Also, a big thank you to everyone who supported my work with a [Ko-fi](https://ko-fi.com/th33xitus) !
 * Last but not least: Thank you to all contributors and members of the Klipper Community who like and share this project!
+
+<hr>
+
+<h4 align="center">A special thank you to JetBrains for sponsoring this project with their incredible software!</h4>
+<p align="center">
+  <a href="https://www.jetbrains.com/community/opensource/#support" target="_blank">
+    <img src="https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.png" alt="JetBrains Logo (Main) logo." height="128">
+  </a>
+</p>

resources/klipper.env

@@ -1 +1 @@
-KLIPPER_ARGS="/home/%USER%/klipper/klippy/klippy.py %CFG% -I %PRINTER% -l %LOG% -a %UDS%"
+KLIPPER_ARGS="%KLIPPER_DIR%/klippy/klippy.py %CFG% -I %PRINTER% -l %LOG% -a %UDS%"

resources/klipper.service

@@ -11,7 +11,7 @@ WantedBy=multi-user.target
 Type=simple
 User=%USER%
 RemainAfterExit=yes
-WorkingDirectory=/home/%USER%/klipper
+WorkingDirectory=%KLIPPER_DIR%
 EnvironmentFile=%ENV_FILE%
 ExecStart=%ENV%/bin/python $KLIPPER_ARGS
 Restart=always

resources/moonraker-telegram-bot.env

@@ -1 +1 @@
-TELEGRAM_BOT_ARGS="/home/%USER%/moonraker-telegram-bot/bot/main.py -c %CFG% -l %LOG%"
+TELEGRAM_BOT_ARGS="%TELEGRAM_BOT_DIR%/bot/main.py -c %CFG% -l %LOG%"

resources/moonraker-telegram-bot.service

@@ -9,7 +9,7 @@ WantedBy=multi-user.target
 [Service]
 Type=simple
 User=%USER%
-WorkingDirectory=/home/%USER%/moonraker-telegram-bot
+WorkingDirectory=%TELEGRAM_BOT_DIR%
 EnvironmentFile=%ENV_FILE%
 ExecStart=%ENV%/bin/python $TELEGRAM_BOT_ARGS
 Restart=always

resources/moonraker.env

@@ -1 +1 @@
-MOONRAKER_ARGS="/home/%USER%/moonraker/moonraker/moonraker.py -d %PRINTER_DATA%"
+MOONRAKER_ARGS="%MOONRAKER_DIR%/moonraker/moonraker.py -d %PRINTER_DATA%"

resources/moonraker.service

@@ -12,7 +12,7 @@ Type=simple
 User=%USER%
 SupplementaryGroups=moonraker-admin
 RemainAfterExit=yes
-WorkingDirectory=/home/%USER%/moonraker
+WorkingDirectory=%MOONRAKER_DIR%
 EnvironmentFile=%ENV_FILE%
 ExecStart=%ENV%/bin/python $MOONRAKER_ARGS
 Restart=always

scripts/crowsnest.sh

@@ -197,7 +197,7 @@ function compare_crowsnest_versions() {
 }
 
 function install_crowsnest_dependencies() {
-  local packages
+  local packages log_name="Crowsnest"
   local install_script="${CROWSNEST_DIR}/tools/install.sh"
 
   ### read PKGLIST from official install-script
@@ -208,21 +208,11 @@ function install_crowsnest_dependencies() {
   echo "${cyan}${packages}${white}" | tr '[:space:]' '\n'
     read -r -a packages <<< "${packages}"
 
-  ### Update system package info
-  status_msg "Updating package lists..."
-  if ! sudo apt-get update --allow-releaseinfo-change; then
-    log_error "failure while updating package lists"
-    error_msg "Updating package lists failed!"
-    exit 1
-  fi
+  ### Update system package lists if stale
+  update_system_package_lists
 
   ### Install required packages
-  status_msg "Installing required packages..."
-  if ! sudo apt-get install --yes "${packages[@]}"; then
-    log_error "failure while installing required crowsnest packages"
-    error_msg "Installing required packages failed!"
-    exit 1
-  fi
+  install_system_packages "${log_name}" "packages[@]"
 }
 
 function update_crowsnest() {

scripts/flash_klipper.sh

@@ -70,6 +70,7 @@ function select_mcu_connection() {
   echo -e "| How is the controller board connected to the host?    |"
   echo -e "| 1) USB                                                |"
   echo -e "| 2) UART                                               |"
+  echo -e "| 3) USB (DFU mode)                                     |"
   blank_line
   back_help_footer
 
@@ -85,6 +86,10 @@ function select_mcu_connection() {
         status_msg "Identifying MCU possibly connected via UART ...\n"
         get_uart_id || true # continue even after exit code 1
         break;;
+      3)
+        status_msg "Identifying MCU connected via USB in DFU mode ...\n"
+        get_dfu_id || true # continue even after exit code 1
+        break;;
       B|b)
         advanced_menu
         break;;
@@ -329,6 +334,16 @@ function get_uart_id() {
   done
 }
 
+function get_dfu_id() {
+  unset mcu_list
+  sleep 1
+  mcus=$(lsusb | grep "DFU" | cut -d " " -f 6 2>/dev/null)
+
+  for mcu in ${mcus}; do
+    mcu_list+=("${mcu}")
+  done
+}
+
 function show_flash_method_help() {
   top_border
   echo -e "|     ~~~~~~~~ < ? > Help: Flash MCU < ? > ~~~~~~~~     |"
@@ -406,4 +421,4 @@ function show_mcu_connection_help() {
         error_msg "Invalid command!";;
     esac
   done
-}
+}

scripts/fluidd.sh

@@ -16,10 +16,24 @@ set -e
 #===================================================#
 
 function install_fluidd() {
-  ### exit early if moonraker not found
   if [[ -z $(moonraker_systemd) ]]; then
-    local error="Moonraker not installed! Please install Moonraker first!"
-    print_error "${error}" && return
+    local error="Moonraker not installed! It's recommended to install Moonraker first!"
+    print_error "${error}"
+    while true; do
+      local yn
+      read -p "${cyan}###### Proceed to install Fluidd without installing Moonraker? (y/N):${white} " yn
+      case "${yn}" in
+        Y|y|Yes|yes)
+          select_msg "Yes"
+          break;;
+        N|n|No|no|"")
+          select_msg "No"
+          abort_msg "Exiting Fluidd setup ...\n"
+          return;;
+        *)
+          error_msg "Invalid Input!";;
+      esac
+    done
   fi
 
   ### checking dependencies
@@ -30,7 +44,7 @@ function install_fluidd() {
 
   status_msg "Initializing Fluidd installation ..."
   ### first, we create a backup of the full klipper_config dir - safety first!
-  backup_klipper_config_dir
+  #backup_klipper_config_dir
 
   ### check for other enabled web interfaces
   unset SET_LISTEN_PORT
@@ -313,9 +327,9 @@ function get_local_fluidd_version() {
 function get_remote_fluidd_version() {
   [[ ! $(dpkg-query -f'${Status}' --show curl 2>/dev/null) = *\ installed ]] && return
 
-  local version
-  version=$(get_fluidd_download_url | rev | cut -d"/" -f2 | rev)
-  echo "${version}"
+  local tags
+  tags=$(curl -s "https://api.github.com/repos/fluidd-core/fluidd/tags" | grep "name" | cut -d'"' -f4)
+  echo "${tags}" | head -1
 }
 
 function compare_fluidd_versions() {
@@ -341,27 +355,28 @@ function compare_fluidd_versions() {
 #================================================#
 
 function get_fluidd_download_url() {
-  local fl_tags tags latest_tag latest_url stable_tag stable_url url
+  local releases_by_tag tags tag unstable_url url
 
-  fl_tags="https://api.github.com/repos/fluidd-core/fluidd/tags"
-  tags=$(curl -s "${fl_tags}" | grep "name" | cut -d'"' -f4)
-
-  ### latest download url including pre-releases (alpha, beta, rc)
-  latest_tag=$(echo "${tags}" | head -1)
-  latest_url="https://github.com/fluidd-core/fluidd/releases/download/${latest_tag}/fluidd.zip"
-
-  ### get stable fluidd download url
-  stable_tag=$(echo "${tags}" | grep -E "^v([0-9]+\.?){3}$" | head -1)
-  stable_url="https://github.com/fluidd-core/fluidd/releases/download/${stable_tag}/fluidd.zip"
+  ### latest stable download url
+  url="https://github.com/fluidd-core/fluidd/releases/latest/download/fluidd.zip"
 
   read_kiauh_ini "${FUNCNAME[0]}"
   if [[ ${fluidd_install_unstable} == "true" ]]; then
-    url="${latest_url}"
-    echo "${url}"
-  else
-    url="${stable_url}"
-    echo "${url}"
+    releases_by_tag="https://api.github.com/repos/fluidd-core/fluidd/tags"
+    tags=$(curl -s "${releases_by_tag}" | grep "name" | cut -d'"' -f4)
+    tag=$(echo "${tags}" | head -1)
+
+    ### latest unstable download url including pre-releases (alpha, beta, rc)
+    unstable_url="https://github.com/fluidd-core/fluidd/releases/download/${tag}/fluidd.zip"
+
+    if [[ ${unstable_url} == *"download//"* ]]; then
+      warn_msg "Download URL broken! Falling back to URL of latest stable release!"
+    else
+      url=${unstable_url}
+    fi
   fi
+
+  echo "${url}"
 }
 
 function fluidd_port_check() {

scripts/klipper.sh

@@ -295,7 +295,7 @@ function create_klipper_virtualenv() {
 # @param {string}: python_version - klipper-env python version
 #
 function install_klipper_packages() {
-  local packages python_version="${1}"
+  local packages log_name="Klipper" python_version="${1}"
   local install_script="${KLIPPER_DIR}/scripts/install-debian.sh"
 
   status_msg "Reading dependencies..."
@@ -321,21 +321,11 @@ function install_klipper_packages() {
   echo "${cyan}${packages}${white}" | tr '[:space:]' '\n'
   read -r -a packages <<< "${packages}"
 
-  ### Update system package info
-  status_msg "Updating package lists..."
-  if ! sudo apt-get update --allow-releaseinfo-change; then
-    log_error "failure while updating package lists"
-    error_msg "Updating package lists failed!"
-    exit 1
-  fi
+  ### Update system package lists if stale
+  update_system_package_lists
 
   ### Install required packages
-  status_msg "Installing required packages..."
-  if ! sudo apt-get install --yes "${packages[@]}"; then
-    log_error "failure while installing required klipper packages"
-    error_msg "Installing required packages failed!"
-    exit 1
-  fi
+  install_system_packages "${log_name}" "packages[@]"
 }
 
 function create_klipper_service() {
@@ -378,8 +368,8 @@ function create_klipper_service() {
 
     sudo cp "${service_template}" "${service}"
     sudo cp "${env_template}" "${env_file}"
-    sudo sed -i "s|%USER%|${USER}|g; s|%ENV%|${KLIPPY_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
-    sudo sed -i "s|%USER%|${USER}|; s|%LOG%|${log}|; s|%CFG%|${cfg}|; s|%PRINTER%|${klippy_serial}|; s|%UDS%|${klippy_socket}|" "${env_file}"
+    sudo sed -i "s|%USER%|${USER}|g; s|%KLIPPER_DIR%|${KLIPPER_DIR}|; s|%ENV%|${KLIPPY_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
+    sudo sed -i "s|%USER%|${USER}|; s|%KLIPPER_DIR%|${KLIPPER_DIR}|; s|%LOG%|${log}|; s|%CFG%|${cfg}|; s|%PRINTER%|${klippy_serial}|; s|%UDS%|${klippy_socket}|" "${env_file}"
 
     ok_msg "Klipper service file created!"
   fi
@@ -634,4 +624,4 @@ function get_klipper_python_ver() {
   local version
   version=$("${KLIPPY_ENV}"/bin/python --version 2>&1 | cut -d" " -f2 | cut -d"." -f1)
   echo "${version}"
-}
+}

scripts/mainsail.sh

@@ -16,10 +16,24 @@ set -e
 #===================================================#
 
 function install_mainsail() {
-  ### exit early if moonraker not found
   if [[ -z $(moonraker_systemd) ]]; then
-    local error="Moonraker not installed! Please install Moonraker first!"
-    print_error "${error}" && return
+    local error="Moonraker not installed! It's recommended to install Moonraker first!"
+    print_error "${error}"
+    while true; do
+      local yn
+      read -p "${cyan}###### Proceed to install Mainsail without installing Moonraker? (y/N):${white} " yn
+      case "${yn}" in
+        Y|y|Yes|yes)
+          select_msg "Yes"
+          break;;
+        N|n|No|no|"")
+          select_msg "No"
+          abort_msg "Exiting Mainsail setup ...\n"
+          return;;
+        *)
+          error_msg "Invalid Input!";;
+      esac
+    done
   fi
 
   ### checking dependencies
@@ -157,6 +171,7 @@ function download_mainsail_macros() {
 }
 
 function download_mainsail() {
+  local services
   local url
   url=$(get_mainsail_download_url)
 
@@ -179,8 +194,9 @@ function download_mainsail() {
     exit 1
   fi
 
-  ### check for moonraker multi-instance and if multi-instance was found, enable mainsails remoteMode
-  if [[ $(moonraker_systemd | wc -w) -gt 1 ]]; then
+  ### check for moonraker multi-instance and if no-instance or multi-instance was found, enable mainsails remoteMode
+  services=$(moonraker_systemd)
+  if [[ ( -z "${services}" ) || ( $(echo "${services}" | wc -w) -gt 1 ) ]]; then
     enable_mainsail_remotemode
   fi
 }
@@ -318,9 +334,9 @@ function get_local_mainsail_version() {
 function get_remote_mainsail_version() {
   [[ ! $(dpkg-query -f'${Status}' --show curl 2>/dev/null) = *\ installed ]] && return
 
-  local version
-  version=$(get_mainsail_download_url | rev | cut -d"/" -f2 | rev)
-  echo "${version}"
+  local tags
+  tags=$(curl -s "https://api.github.com/repos/mainsail-crew/mainsail/tags" | grep "name" | cut -d'"' -f4)
+  echo "${tags}" | head -1
 }
 
 function compare_mainsail_versions() {
@@ -511,27 +527,28 @@ function ms_theme_delete() {
 #================================================#
 
 function get_mainsail_download_url() {
-  local ms_tags tags latest_tag latest_url stable_tag stable_url url
+  local releases_by_tag tags tag unstable_url url
 
-  ms_tags="https://api.github.com/repos/mainsail-crew/mainsail/tags"
-  tags=$(curl -s "${ms_tags}" | grep "name" | cut -d'"' -f4)
-
-  ### latest download url including pre-releases (alpha, beta, rc)
-  latest_tag=$(echo "${tags}" | head -1)
-  latest_url="https://github.com/mainsail-crew/mainsail/releases/download/${latest_tag}/mainsail.zip"
-
-  ### get stable mainsail download url
-  stable_tag=$(echo "${tags}" | grep -E "^v([0-9]+\.?){3}$" | head -1)
-  stable_url="https://github.com/mainsail-crew/mainsail/releases/download/${stable_tag}/mainsail.zip"
+  ### latest stable download url
+  url="https://github.com/mainsail-crew/mainsail/releases/latest/download/mainsail.zip"
 
   read_kiauh_ini "${FUNCNAME[0]}"
   if [[ ${mainsail_install_unstable} == "true" ]]; then
-    url="${latest_url}"
-    echo "${url}"
-  else
-    url="${stable_url}"
-    echo "${url}"
+    releases_by_tag="https://api.github.com/repos/mainsail-crew/mainsail/tags"
+    tags=$(curl -s "${releases_by_tag}" | grep "name" | cut -d'"' -f4)
+    tag=$(echo "${tags}" | head -1)
+
+    ### latest unstable download url including pre-releases (alpha, beta, rc)
+    unstable_url="https://github.com/mainsail-crew/mainsail/releases/download/${tag}/mainsail.zip"
+
+    if [[ ${unstable_url} == *"download//"* ]]; then
+      warn_msg "Download URL broken! Falling back to URL of latest stable release!"
+    else
+      url=${unstable_url}
+    fi
   fi
+  
+  echo "${url}"
 }
 
 function mainsail_port_check() {

scripts/moonraker-telegram-bot.sh

@@ -110,7 +110,7 @@ function telegram_bot_setup_dialog() {
 }
 
 function install_telegram_bot_dependencies() {
-  local packages
+  local packages log_name="Telegram Bot"
   local install_script="${TELEGRAM_BOT_DIR}/scripts/install.sh"
 
   ### read PKGLIST from official install-script
@@ -121,21 +121,11 @@ function install_telegram_bot_dependencies() {
   echo "${cyan}${packages}${white}" | tr '[:space:]' '\n'
   read -r -a packages <<< "${packages}"
 
-  ### Update system package info
-  status_msg "Updating package lists..."
-  if ! sudo apt-get update --allow-releaseinfo-change; then
-    log_error "failure while updating package lists"
-    error_msg "Updating package lists failed!"
-    exit 1
-  fi
+  ### Update system package lists if stale
+  update_system_package_lists
 
   ### Install required packages
-  status_msg "Installing required packages..."
-  if ! sudo apt-get install --yes "${packages[@]}"; then
-    log_error "failure while installing required moonraker-telegram-bot packages"
-    error_msg "Installing required packages failed!"
-    exit 1
-  fi
+  install_system_packages "${log_name}" "packages[@]"
 }
 
 function create_telegram_bot_virtualenv() {
@@ -328,11 +318,11 @@ function write_telegram_bot_service() {
     else
       sudo sed -i "s|%INST%|${i}|" "${service}"
     fi
-    sudo sed -i "s|%USER%|${USER}|g; s|%ENV%|${TELEGRAM_BOT_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
+    sudo sed -i "s|%USER%|${USER}|g; s|%TELEGRAM_BOT_DIR%|${TELEGRAM_BOT_DIR}|; s|%ENV%|${TELEGRAM_BOT_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
 
     status_msg "Creating environment file for instance ${i} ..."
     cp "${env_template}" "${env_file}"
-    sed -i "s|%USER%|${USER}|; s|%CFG%|${cfg}|; s|%LOG%|${log}|" "${env_file}"
+    sed -i "s|%USER%|${USER}|; s|%TELEGRAM_BOT_DIR%|${TELEGRAM_BOT_DIR}|; s|%CFG%|${cfg}|; s|%LOG%|${log}|" "${env_file}"
   fi
 }
 

scripts/moonraker.sh

@@ -141,7 +141,7 @@ function moonraker_setup_dialog() {
 }
 
 function install_moonraker_dependencies() {
-  local packages
+  local packages log_name="Moonraker"
   local install_script="${MOONRAKER_DIR}/scripts/install-moonraker.sh"
 
   ### read PKGLIST from official install-script
@@ -152,21 +152,11 @@ function install_moonraker_dependencies() {
   echo "${cyan}${packages}${white}" | tr '[:space:]' '\n'
   read -r -a packages <<< "${packages}"
 
-  ### Update system package info
-  status_msg "Updating package lists..."
-  if ! sudo apt-get update --allow-releaseinfo-change; then
-    log_error "failure while updating package lists"
-    error_msg "Updating package lists failed!"
-    exit 1
-  fi
+  ### Update system package lists if stale
+  update_system_package_lists
 
   ### Install required packages
-  status_msg "Installing required packages..."
-  if ! sudo apt-get install --yes "${packages[@]}"; then
-    log_error "failure while installing required moonraker packages"
-    error_msg "Installing required packages failed!"
-    exit 1
-  fi
+  install_system_packages "${log_name}" "packages[@]"
 }
 
 function create_moonraker_virtualenv() {
@@ -370,8 +360,8 @@ function write_moonraker_service() {
 
     [[ -z ${i} ]] && sudo sed -i "s| %INST%||" "${service}"
     [[ -n ${i} ]] && sudo sed -i "s|%INST%|${i}|" "${service}"
-    sudo sed -i "s|%USER%|${USER}|g; s|%ENV%|${MOONRAKER_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
-    sudo sed -i "s|%USER%|${USER}|; s|%PRINTER_DATA%|${printer_data}|" "${env_file}"
+    sudo sed -i "s|%USER%|${USER}|g; s|%MOONRAKER_DIR%|${MOONRAKER_DIR}|; s|%ENV%|${MOONRAKER_ENV}|; s|%ENV_FILE%|${env_file}|" "${service}"
+    sudo sed -i "s|%USER%|${USER}|; s|%MOONRAKER_DIR%|${MOONRAKER_DIR}|; s|%PRINTER_DATA%|${printer_data}|" "${env_file}"
   fi
 }
 

scripts/octoeverywhere.sh

@@ -307,7 +307,7 @@ function clone_octoeverywhere() {
 }
 
 function install_octoeverywhere_dependencies() {
-  local packages
+  local packages log_name="OctoEverywhere"
   local install_script="${OCTOEVERYWHERE_DIR}/install.sh"
 
   ### read PKGLIST from official install-script
@@ -318,21 +318,11 @@ function install_octoeverywhere_dependencies() {
   echo "${cyan}${packages}${white}" | tr '[:space:]' '\n'
   read -r -a packages <<< "${packages}"
 
-  ### Update system package info
-  status_msg "Updating package lists..."
-  if ! sudo apt-get update --allow-releaseinfo-change; then
-    log_error "failure while updating package lists"
-    error_msg "Updating package lists failed!"
-    exit 1
-  fi
+  ### Update system package lists if stale
+  update_system_package_lists
 
   ### Install required packages
-  status_msg "Installing required packages..."
-  if ! sudo apt-get install --yes "${packages[@]}"; then
-    log_error "failure while installing required octoeverywhere packages"
-    error_msg "Installing required packages failed!"
-    exit 1
-  fi
+  install_system_packages "${log_name}" "packages[@]"
 }
 
 #===================================================#

scripts/ui/install_menu.sh

@@ -35,7 +35,8 @@ function install_ui() {
 }
 
 function install_menu() {
-  clear && print_header
+  clear -x && sudo -v && clear -x # (re)cache sudo credentials so password prompt doesn't bork ui
+  print_header
   install_ui
 
   ### save all installed webinterface ports to the ini file

scripts/ui/update_menu.sh

@@ -41,6 +41,7 @@ function update_ui() {
 }
 
 function update_menu() {
+  clear -x && sudo -v && clear -x # (re)cache sudo credentials so password prompt doesn't bork ui
   do_action "" "update_ui"
   
   local action
@@ -72,7 +73,7 @@ function update_menu() {
       11)
         do_action "update_crowsnest" "update_ui";;
       12)
-        do_action "update_system" "update_ui";;
+        do_action "upgrade_system_packages" "update_ui";;
       a)
         do_action "update_all" "update_ui";;
       B|b)

scripts/utilities.sh

@@ -20,6 +20,8 @@ function check_euid() {
     echo -e "${red}"
     top_border
     echo -e "|       !!! THIS SCRIPT MUST NOT RUN AS ROOT !!!        |"
+    echo -e "|                                                       |"
+    echo -e "|        It will ask for credentials as needed.         |"
     bottom_border
     echo -e "${white}"
     exit 1
@@ -285,7 +287,7 @@ function python3_check() {
 
 function dependency_check() {
   local dep=( "${@}" )
-  local packages
+  local packages log_name="dependencies"
   status_msg "Checking for the following dependencies:"
 
   #check if package is installed, if not write its name into array
@@ -303,12 +305,12 @@ function dependency_check() {
     done
     echo
 
-    if sudo apt-get update --allow-releaseinfo-change && sudo apt-get install "${packages[@]}" -y; then
-      ok_msg "Dependencies installed!"
-    else
-      error_msg "Installing dependencies failed!"
-      return 1 # exit kiauh
-    fi
+    # update system package lists if stale
+    update_system_package_lists
+
+    # install required packages
+    install_system_packages "${log_name}" "packages[@]"
+
   else
     ok_msg "Dependencies already met!"
     return
@@ -358,27 +360,78 @@ function create_required_folders() {
   done
 }
 
-function check_system_updates() {
-  local updates_avail info_msg
-  updates_avail=$(apt list --upgradeable 2>/dev/null | sed "1d")
-
-  if [[ -n ${updates_avail} ]]; then
-    info_msg="${yellow}System upgrade available!${white}"
-    # add system to application_updates_available in kiauh.ini
-    add_to_application_updates "system"
+function update_system_package_lists() {
+  local cache_mtime update_age update_interval silent
+  
+  if [[ $1 == '--silent' ]]; then silent="true"; fi
+  
+  if [[ -e /var/lib/apt/periodic/update-success-stamp ]]; then
+    cache_mtime="$(stat -c %Y /var/lib/apt/periodic/update-success-stamp)"
+  elif [[ -e /var/lib/apt/lists ]]; then
+    cache_mtime="$(stat -c %Y /var/lib/apt/lists)"
   else
-    info_msg="${green}System up to date!       ${white}"
+    log_warning "Failure determining package cache age, forcing update"
+    cache_mtime=0
   fi
 
-  echo "${info_msg}"
+  update_age="$(($(date +'%s') - cache_mtime))"
+  update_interval=$((48*60*60)) # 48hrs
+
+  # update if cache is greater than update_interval
+  if (( update_age > update_interval )); then
+    if [[ ! ${silent} == "true" ]]; then status_msg "Updating package lists..."; fi
+    if ! sudo apt-get update --allow-releaseinfo-change &>/dev/null; then
+      log_error "Failure while updating package lists!"
+      if [[ ! ${silent} == "true" ]]; then error_msg "Updating package lists failed!"; fi
+      return 1
+    else
+      log_info "Package lists updated successfully"
+      if [[ ! ${silent} == "true" ]]; then status_msg "Updated package lists."; fi
+    fi
+  else
+    log_info "Package lists updated recently, skipping update..."
+  fi
 }
 
-function update_system() {
-  status_msg "Updating System ..."
-  if sudo apt-get update --allow-releaseinfo-change && sudo apt-get upgrade -y; then
-    print_confirm "Update complete! Check the log above!\n ${yellow}KIAUH will not install any dist-upgrades or\n any packages which have been kept back!${green}"
+function check_system_updates() {
+  local updates_avail status
+  if ! update_system_package_lists --silent; then
+    status="${red}Update check failed!     ${white}" 
   else
-    print_error "System update failed! Please watch for any errors printed above!"
+    updates_avail="$(apt list --upgradeable 2>/dev/null | sed "1d")"
+    
+    if [[ -n ${updates_avail} ]]; then
+      status="${yellow}System upgrade available!${white}"
+      # add system to application_updates_available in kiauh.ini
+      add_to_application_updates "system"
+    else
+      status="${green}System up to date!       ${white}"
+    fi
+  fi
+  
+  echo "${status}"
+}
+
+function upgrade_system_packages() {
+  status_msg "Upgrading System ..."
+  update_system_package_lists
+  if sudo apt-get upgrade -y; then
+    print_confirm "Upgrade complete! Check the log above!\n ${yellow}KIAUH will not install any dist-upgrades or\n any packages which have been held back!${green}"
+  else
+    print_error "System upgrade failed! Please look for any errors printed above!"
+  fi
+}
+
+function install_system_packages() {
+  local log_name="$1"
+  local packages=("${!2}")
+  status_msg "Installing packages..."
+  if sudo apt-get install -y "${packages[@]}"; then
+    ok_msg "${log_name^} packages installed!"
+  else
+    log_error "Failure while installing ${log_name,,} packages"
+    error_msg "Installing ${log_name} packages failed!"
+    exit 1 # exit kiauh
   fi
 }