#!/bin/sh
# Install or upgrade gdo on this host from a Gitea release. Run as root:
#   sudo sh install.sh v0.1.0 [nats://user:pass@127.0.0.1:4222]
# The NATS URL is only needed the first time; it lands in /etc/gdo.env,
# which is the one file with a secret in it (mode 0600).
set -eu
tag=${1:?usage: install.sh vX.Y.Z [NATS_URL]}
base=https://project.uhhm.no/uhhm/gdo
tmp=$(mktemp)
curl -sfL "$base/releases/download/$tag/gdo" -o "$tmp"
install -m 0755 "$tmp" /usr/local/bin/gdo
rm -f "$tmp"
if [ ! -f /etc/gdo.env ]; then
  nats=${2:-nats://127.0.0.1:4222}
  umask 077
  printf 'NATS_URL=%s\nSMTP_HOST=127.0.0.1\nSMTP_PORT=25\nSMTP_HELO=%s\n# GDO_TYPST_THEME=/etc/gdo/theme.typ\n' "$nats" "$(hostname -f 2>/dev/null || cat /etc/hostname)" > /etc/gdo.env
fi
curl -sfL "$base/raw/tag/$tag/deploy/gdo.service" -o /etc/systemd/system/gdo.service
systemctl daemon-reload
systemctl enable --now gdo
systemctl restart gdo
sleep 2
systemctl is-active gdo && /usr/local/bin/gdo --version