update-software

#!/bin/bash
set -euo pipefail

set -x
sudo apt update
sudo apt upgrade -y
sudo apt autoremove -y
set +x

# Get the directory containing this file, resolving symlinks (based on code from https://stackoverflow.com/a/51651602)
script_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
home_dir="$(readlink -e "$script_dir/../../..")"

user_home_dir_regex="^/home/([^/]+?)/$"
if [[ "$home_dir/" =~ $user_home_dir_regex ]]; then
  username=${BASH_REMATCH[1]}
else
  >&2 echo "Unable to parse username from the (presumed) home directory of the RPi's user: $home_dir"
  >&2 echo "  (script location: $script_dir)"
  exit 1
fi

octoprint_python="$home_dir/oprint/bin/python"

echo "+ Executing commands as user '$username':"
# Switch to the RPi's user, to prevent potentially setting `root` as the owner of any files the below commands might create/modify
sudo su "$username" <<HERE
set -euo pipefail

cd "$home_dir"

echo "+ Updating pip..."
# Update pip before updating other packages below
eval "$octoprint_python -m pip install -U pip"

echo "+ Updating OctoPrint and plugins..."
# Command found at https://docs.octoprint.org/en/master/bundledplugins/softwareupdate.html#command-line-usage
eval "$octoprint_python -m octoprint plugins softwareupdate:update"

HERE

echo "+ Finished executing commands as user '$username'"