#!/usr/bin/env bash

set -eu

SRCDIR={{ invidious_install_dir | quote }}
INVIDIOUS_USER={{ invidious_user | quote }}
CRYSTAL_HOME={{ invidious_crystal_install_dir | quote }}

export PATH="${PATH}:${CRYSTAL_HOME}/bin"

as-invidious() {
  runuser -u "$INVIDIOUS_USER" -- "$@"
}

if (( $EUID != 0 )); then
  echo 'must be superuser' 1>&2
  exit 1
fi

cd "$SRCDIR"

old_rev=$(git rev-list --max-count=1 --abbrev-commit HEAD)

as-invidious git fetch

local_rev=$(git rev-parse HEAD)
upstream_rev=$(git rev-parse '@{u}')

echo "local: $local_rev"
echo "upstream: $upstream_rev"

if [ "$local_rev" != "$upstream_rev" ]; then
  as-invidious git pull --ff-only

  echo "building invidious..."
  as-invidious shards install --production
  as-invidious crystal build src/invidious.cr -Ddisable_quic --release

  systemctl restart invidious
else
  echo "invidious is already up to date"
fi