#!/usr/bin/env bash

# Update BirdNET-Pi's Git Repo

source /etc/birdnet/birdnet.conf

trap 'exit 1' SIGINT SIGHUP

usage() { echo "Usage: $0 [-r <remote name>] [-b <branch name>]" 1>&2; exit 1; }

if [ -n "${BIRDNET_USER}" ]; then

USER=${BIRDNET_USER}

HOME=/home/${BIRDNET_USER}

else

USER=$(awk -F: '/1000/ {print $1}' /etc/passwd)

HOME=$(awk -F: '/1000/ {print $6}' /etc/passwd)

fi

my_dir=$HOME/BirdNET-Pi/scripts

# Defaults

remote="origin"

branch="main"

while getopts ":r:b:" o; do

case "${o}" in

r)

remote=${OPTARG}

git -C $HOME/BirdNET-Pi remote show $remote > /dev/null 2>&1

ret_val=$?

if [ $ret_val -ne 0 ]; then

echo "Error: remote '$remote' not found. Add the upstream remote to your repository and try again."

exit 1

fi

;;

b)

branch=${OPTARG}

;;

*)

usage

;;

esac

done

shift $((OPTIND-1))

sudo_with_user () {

set -x

sudo -u $USER "$@"

set +x

}

# Get current HEAD hash

commit_hash=$(sudo_with_user git -C $HOME/BirdNET-Pi rev-parse HEAD)

# Reset current HEAD to remove any local changes

sudo_with_user git -C $HOME/BirdNET-Pi reset --hard

# Fetches latest changes

sudo_with_user git -C $HOME/BirdNET-Pi fetch $remote $branch

# Switches git to specified branch

sudo_with_user git -C $HOME/BirdNET-Pi switch -C $branch --track $remote/$branch

# Prints out changes

sudo_with_user git --no-pager -C $HOME/BirdNET-Pi diff --stat $commit_hash HEAD

$my_dir/pre_update.sh

sudo systemctl daemon-reload

sudo ln -sf $my_dir/* /usr/local/bin/

# The script below handles changes to the host system

# Any additions to the updater should be placed in that file.

sudo $my_dir/update_birdnet_snippets.sh