Update linbpq on the raspberry pi

update_linbpq.sh

#!/bin/bash
# Download latest RPi BPQ binaries
# If arg 1 is beta then make beta binary active
# If arg 1 is anything else, release or NULL then make
#   release binary active
# If arg 2 is Y then restart linbpq after updates
#  otherwise prompt for restart

# Location of linbpq install. Modify this path if
# linbpq is running out of a different directory.
BPQHOME=/opt/linbpq

echo "### Updating linbpq in ${BPQHOME} ###"

if [ "${1^^}" = "BETA" ]; then
  BPQ_BINARY="pilinbpq.beta"
  echo "### Updating binaries and activating linbpq beta ###"
else
  BPQ_BINARY="pilinbpq.release"
  echo "### Updating binaries and activating linbpq release ###"
fi

if [ "${2^^}" = "Y" ]; then
  RESTART_BPQ="Y"
  echo "### Automatically restarting linbpq service ###"
fi

# Create bin directories
mkdir -p ${BPQHOME}/bin
mkdir -p ${BPQHOME}/oldbin

# Clean up old bin files
rm -v ${BPQHOME}/oldbin/*.older

# Save off current binaries
for f in ${BPQHOME}/oldbin/*; do
  mv -v ${f} ${f}.older
done

# Save off a copy of everything in bin
mv -v ${BPQHOME}/bin/* ${BPQHOME}/oldbin

echo ""

# change to bin directory
# binaries will live here and linbpq will be a symlink
# to the binary we want to run, release or beta
cd ${BPQHOME}/bin/

# Download release binary
wget http://www.cantab.net/users/john.wiseman/Downloads/pilinbpq
if [ $? != 0 ]; then
  echo "Failed to download release bpq"
  exit 1
fi
mv -v pilinbpq pilinbpq.release
chmod 755 pilinbpq.release

# Download beta binary
wget http://www.cantab.net/users/john.wiseman/Downloads/Beta/pilinbpq
if [ $? != 0 ]; then
  echo "Failed to download beta bpq"
  exit 1
fi
mv -v pilinbpq pilinbpq.beta
chmod 755 pilinbpq.beta

# Download APRS binary
wget http://www.cantab.net/users/john.wiseman/Downloads/Beta/piBPQAPRS
if [ $? != 0 ]; then
  echo "Failed to download bpq APRS"
  exit 1
fi
chmod 755 piBPQAPRS

# Link in the selected binary, release or beta
rm ${BPQHOME}/linbpq
ln -s ${BPQHOME}/bin/${BPQ_BINARY} ${BPQHOME}/linbpq

echo ""
echo "Active binary..."
ls -l ${BPQHOME}/linbpq
echo ""
echo ""

if [ "${RESTART_BPQ}" = "Y" ]; then
  RESPONSE="y"
else
  echo "Restart linbpq?"
  echo -n "Y/N?>"
  read RESPONSE
fi

if [ "${RESPONSE^^}" = "Y" ]; then
  sudo systemctl restart linbpq
fi

sudo systemctl status linbpq

echo "Done"