#!/usr/bin/env bash

set -eu

SRCDIR={{ nitter_install_dir | quote }}
NITTER_USER={{ nitter_user | quote }}

export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:{{ nim_install_dir }}/bin'

as-nitter() {
  runuser -u "$NITTER_USER" -- "$@"
}

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

cd "$SRCDIR"

as-nitter 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-nitter git pull --ff-only

  echo "building nitter..."
  as-nitter nimble --accept build -d:release
  as-nitter nimble --accept scss
  as-nitter nimble --accept md

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