update-rptr.sh

#!/bin/bash

# Updated by davecrump 20220101 for the BATC ATV Repeater

UpdateLogMsg() {
  if [[ "$1" == "0" ]]; then
    echo $(date -u) "Update Success " "$2" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null
  else
    echo $(date -u) "Update Fail    " "$2" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null
  fi
}


DisplayUpdateMsg() {
  # Delete any old update message image
  rm /home/pi/tmp/update.jpg >/dev/null 2>/dev/null

  # Create the update image in the tempfs folder
  convert -size 1280x720 xc:white \
    -gravity North -pointsize 40 -annotate 0 "\nUpdating Repeater Software" \
    -gravity Center -pointsize 50 -annotate 0 "$1""\n\nPlease wait" \
    -gravity South -pointsize 50 -annotate 0 "DO NOT TURN POWER OFF" \
    /home/pi/tmp/update.jpg

  # Display the update message on the desktop
  sudo fbi -T 1 -noverbose -a /home/pi/tmp/update.jpg >/dev/null 2>/dev/null
  (sleep 1; sudo killall -9 fbi >/dev/null 2>/dev/null) &  ## kill fbi once it has done its work
}

DisplayRebootMsg() {
  # Delete any old update message image
  rm /home/pi/tmp/update.jpg >/dev/null 2>/dev/null

  # Create the update image in the tempfs folder
  convert -size 1280x720 xc:white \
    -gravity North -pointsize 40 -annotate 0 "\nUpdating Repeater Software" \
    -gravity Center -pointsize 50 -annotate 0 "$1""\n\nDone" \
    -gravity South -pointsize 50 -annotate 0 "SAFE TO POWER OFF" \
    /home/pi/tmp/update.jpg

  # Display the update message on the desktop
  sudo fbi -T 1 -noverbose -a /home/pi/tmp/update.jpg >/dev/null 2>/dev/null
  (sleep 1; sudo killall -9 fbi >/dev/null 2>/dev/null) &  ## kill fbi once it has done its work
}

############ Function to Read from Config File ###############

get_config_var() {
lua - "$1" "$2" <<EOF
local key=assert(arg[1])
local fn=assert(arg[2])
local file=assert(io.open(fn))
for line in file:lines() do
local val = line:match("^#?%s*"..key.."=(.*)$")
if (val ~= nil) then
print(val)
break
end
end
EOF
}

##############################################################

reset

printf "\nCommencing update.\n\n"

printf "You can keep your old configuration file, or overwrite it with\n"
printf "the latest one with the factory settings\n\n"
printf "Do you want to keep your old configuration file? (y/n)\n"
read -n 1
printf "\n"
if [[ "$REPLY" = "y" || "$REPLY" = "Y" ]]; then  ## Keep Old file requested
  KEEPCONFIG="true"
else
  KEEPCONFIG="false"
printf "\nYour old file will be saved as pre_update_repeater_config.txt\n\n"
fi

# Rotate the update log
sudo mv /var/log/rptr/update_log.txt /var/log/rptr/previous_update_log.txt >/dev/null 2>/dev/null

# Create the first entry for the new update log
echo $(date -u) "Update started" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null

cd /home/pi

# Stop the existing repeater
pkill dtmf_listener.sh >/dev/null 2>/dev/null
pkill run-audio.sh  >/dev/null 2>/dev/null
sudo killall -9 fbi >/dev/null 2>/dev/null
sudo killall rptr >/dev/null 2>/dev/null

## Check which update to load
GIT_SRC_FILE=".atv-rptr_gitsrc"
GIT_SRC="BritishAmateurTelevisionClub"

if [ "$1" == "-d" ]; then
  echo "Overriding to update to latest development version"
  GIT_SRC="davecrump"
fi

if [ "$GIT_SRC" == "BritishAmateurTelevisionClub" ]; then
  echo "Updating to latest Production Buster Legacy BATC ATV Repeater RPi 4 build";
elif [ "$GIT_SRC" == "davecrump" ]; then
  echo "Updating to latest development Buster Legacy BATC ATV Repeater RPi 4 build";
else
  echo "Invalid parameter";
  exit
fi

DisplayUpdateMsg "Step 3 of 10\nSaving Current Config\n\nXXX-------"

PATHCONFIG="/home/pi/atv-rptr/config"
PATHUBACKUP="/home/pi/user_backups"
CONFIGFILE="/home/pi/atv-rptr/config/repeater_config.txt"

# Remove previous User Config Backups
rm -rf "$PATHUBACKUP"

# Create a folder for user configs
mkdir "$PATHUBACKUP" >/dev/null 2>/dev/null

# Make a safe copy of the old config file and desktop shutdown file
if [[ "$KEEPCONFIG" == "true" ]]; then
  # Make a safe copy of repeater_config.txt
  cp -f -r "$PATHCONFIG"/repeater_config.txt "$PATHUBACKUP"/repeater_config.txt
  cp -f -r /home/pi/atv-rptr/scripts/desktop_shutdown.sh "$PATHUBACKUP"/desktop_shutdown.sh
else
  cp -f -r "$PATHCONFIG"/repeater_config.txt "$PATHCONFIG"/pre_update_repeater_config.txt
  cp -f -r /home/pi/atv-rptr/scripts/desktop_shutdown.sh "$PATHUBACKUP"/pre_update_desktop_shutdown.sh
fi

# Make a safe copy of the old user images
cp -f -r /home/pi/atv-rptr/media "$PATHUBACKUP"/media

# Note previous version number
cp -f -r /home/pi/atv-rptr/config/installed_version.txt "$PATHUBACKUP"/prev_installed_version.txt
PREVINSTALLEDVERSION=$(head -c 9 /home/pi/atv-rptr/config/installed_version.txt)
echo $(date -u) "Version before Update was "$PREVINSTALLEDVERSION"" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null
echo $(date -u) "Loading update from "$GIT_SRC"" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null

DisplayUpdateMsg "Step 4 of 10\nUpdating Software Package List\n\nXXXX------"

# Amend the sources.list to legacy
sudo bash -c 'echo -e "deb http://legacy.raspbian.org/raspbian/ buster main contrib non-free rpi" > /etc/apt/sources.list' 

sudo dpkg --configure -a                            # Make sure that all the packages are properly configured
SUCCESS=$?; UpdateLogMsg $SUCCESS "dpkg configure"
sudo apt-get clean                                  # Clean up the old archived packages
SUCCESS=$?; UpdateLogMsg $SUCCESS "apt-get clean"
sudo apt-get update --allow-releaseinfo-change      # Update the package list
SUCCESS=$?; UpdateLogMsg $SUCCESS "apt-get update"

DisplayUpdateMsg "Step 5 of 10\nUpdating Software Packages\n\nXXXX------"

# --------- Update Packages ------

sudo apt-get -y dist-upgrade # Upgrade all the installed packages to their latest version
SUCCESS=$?; UpdateLogMsg $SUCCESS "dist-upgrade"

# --------- Install new packages as Required ---------

sudo apt-get install -y i2c-tools
SUCCESS=$?; UpdateLogMsg $SUCCESS "i2c-tools"
sudo apt-get install -y dos2unix
SUCCESS=$?; UpdateLogMsg $SUCCESS "dos2unix"
sudo apt-get install -y expect
SUCCESS=$?; UpdateLogMsg $SUCCESS "expect"
sudo apt-get install -y telnet
SUCCESS=$?; UpdateLogMsg $SUCCESS "telnet"

# ---------- Update atv-rptr -----------

DisplayUpdateMsg "Step 6 of 10\nDownloading Repeater SW\n\nXXXXX-----"

echo
echo "------------------------------------------"
echo "----- Updating the Repeater Software -----"
echo "------------------------------------------"

cd /home/pi

# Download selected source of atv-rptr
wget https://github.com/${GIT_SRC}/atv-rptr/archive/refs/heads/main.zip -O main.zip
SUCCESS=$?; UpdateLogMsg $SUCCESS "repeater controller download"

# Unzip and overwrite where we need to
unzip -o main.zip
rm -rf atv-rptr
mv atv-rptr-main atv-rptr
rm main.zip
cd /home/pi

DisplayUpdateMsg "Step 7 of 10\nCompiling Repeater SW\n\nXXXXXX----"

mkdir atv-rptr/bin
cd /home/pi/atv-rptr/src/rptr
touch main.c
make
SUCCESS=$?; UpdateLogMsg $SUCCESS "Compile repeater controller"
sudo make install
cd /home/pi

# Compile the txt2morse software
echo
echo "------------------------------"
echo "----- Compiling txt2morse ----"
echo "------------------------------"

cd /home/pi/atv-rptr/src/txt2morse
touch txt2morse.c
make
SUCCESS=$?; UpdateLogMsg $SUCCESS "Compile txt2morse"
cp /home/pi/atv-rptr/src/txt2morse/build/txt2morse /home/pi/atv-rptr/bin/txt2morse
cd /home/pi

echo
echo "------------------------------------"
echo "----- Amending /boot/config.txt ----"
echo "------------------------------------"

# Enable i2c
sudo raspi-config nonint do_i2c 0
SUCCESS=$?; UpdateLogMsg $SUCCESS "raspi-config enable i2c"

# Enable i2c
sudo sed -i "/^#dtparam=i2c_arm=on/c\dtparam=i2c_arm=on" /boot/config.txt
grep -q '^dtoverlay=i2c-gpio,i2c_gpio_sda=14,i2c_gpio_scl=15' /boot/config.txt
if [ $? != 0 ]; then
  sudo sed -i "/^dtparam=i2c_arm=on/a \dtoverlay=i2c-gpio,i2c_gpio_sda=14,i2c_gpio_scl=15" /boot/config.txt
fi

DisplayUpdateMsg "Step 8 of 10\nRestoring Config\n\nXXXXXXXX--"

if [[ "$KEEPCONFIG" == "true" ]]; then
  echo
  echo "----------------------------------"
  echo "----- Restoring Configuration ----"
  echo "----------------------------------"

  # Restore repeater_config.txt
  cp -f -r "$PATHUBACKUP"/repeater_config.txt "$PATHCONFIG"/repeater_config.txt

  # Restore desktop shutdown script (installation-specific)
  cp -f -r "$PATHUBACKUP"/desktop_shutdown.sh /home/pi/atv-rptr/scripts/desktop_shutdown.sh

  # Restore images
  rm -r /home/pi/atv-rptr/media
  cp -f -r "$PATHUBACKUP"/media /home/pi/atv-rptr/media
fi

# Add controller talkback audio setting to config file if not included  202402190
if ! grep -q controllertalkbackaudio= "$PATHCONFIG"/repeater_config.txt; then
  # File needs updating
  # Add the new entry and a new line
  echo >> "$PATHCONFIG"/repeater_config.txt
  echo '# Talkback audio on DTMF input can also be output on the controller (k/cw ident) channel' >> "$PATHCONFIG"/repeater_config.txt
  echo '# Volume is set by dtmfaudiogain above' >> "$PATHCONFIG"/repeater_config.txt
  echo 'controllertalkbackaudio=off' >> "$PATHCONFIG"/repeater_config.txt
fi
# Add receiver select delay to config file if not included  202508230
if ! grep -q inputactivedelay= "$PATHCONFIG"/repeater_config.txt; then
  # File needs updating
  # Add the new entry and a new line
  echo >> "$PATHCONFIG"/repeater_config.txt
  echo '# Delay in ms to eliminate false Ks' >> "$PATHCONFIG"/repeater_config.txt
  echo 'inputactivedelay=1500' >> "$PATHCONFIG"/repeater_config.txt
fi
# Add minimisetx to config file if not included  202605110
if ! grep -q minimisetx= "$PATHCONFIG"/repeater_config.txt; then
  # File needs updating
  # Add the new entry and a new line
  echo >> "$PATHCONFIG"/repeater_config.txt
  echo '# Only transmit when input active' >> "$PATHCONFIG"/repeater_config.txt
  echo 'minimisetx=no' >> "$PATHCONFIG"/repeater_config.txt
fi

# Restore version info
#cp -f -r "$PATHUBACKUP"/prev_installed_version.txt "$PATHCONFIG"/prev_installed_version.txt

# Update the log file rotation configuration
sudo cp /home/pi/atv-rptr/utils/templates/rptr /etc/logrotate.d/rptr

DisplayUpdateMsg "Step 9 of 10\nFinishing Off\n\nXXXXXXXXX-"

# Update the version number
cp /home/pi/atv-rptr/latest_version.txt "$PATHCONFIG"/installed_version.txt
INSTALLEDVERSION=$(head -c 9 /home/pi/atv-rptr/config/installed_version.txt)
echo $(date -u) "Version After Update is "$INSTALLEDVERSION"" | sudo tee -a /var/log/rptr/update_log.txt  > /dev/null

# Save (overwrite) the git source used
echo "${GIT_SRC}" > /home/pi/atv-rptr/config/${GIT_SRC_FILE}

# Reboot
DisplayRebootMsg "Step 10 of 10\nRebooting\n\nUpdate Complete"
printf "\nRebooting\n"

sleep 1
# Turn off swap to prevent reboot hang
sudo swapoff -a
sudo shutdown -r now  # Seems to be more reliable than reboot

exit