#!/usr/bin/env sh
set -eu

if [ "$(id -u)" -ne 0 ]; then
  echo "Run as root: sudo sh /opt/importarr/repo-upgrade.sh" >&2
  exit 1
fi

ENV_FILE=${IMPORTARR_ENV_FILE:-/etc/importarr/importarr.env}
if [ -f "$ENV_FILE" ]; then
  # shellcheck disable=SC1090
  . "$ENV_FILE"
fi

PREFIX=${IMPORTARR_PREFIX:-/opt/importarr}
REPO_DIR=${IMPORTARR_REPO_DIR:-$(pwd)}
SERVICE=${IMPORTARR_SERVICE:-importarr.service}
VENV=${IMPORTARR_VENV:-$PREFIX/venv}

if [ ! -d "$REPO_DIR/.git" ]; then
  echo "Importarr repo not found at $REPO_DIR" >&2
  exit 1
fi

cd "$REPO_DIR"
if [ -n "$(git status --porcelain)" ]; then
  echo "Refusing to upgrade: $REPO_DIR has uncommitted changes." >&2
  git status --short >&2
  exit 1
fi

git fetch --prune origin
git pull --ff-only
"$VENV/bin/pip" install --upgrade "$REPO_DIR"
install -m 0644 "$REPO_DIR/deploy/importarr.service" /etc/systemd/system/importarr.service
systemctl daemon-reload
GIT_SHA="$(git rev-parse --short=12 HEAD 2>/dev/null || printf development)"
BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
cat > "$PREFIX/build.env" <<EOF
IMPORTARR_GIT_SHA=$GIT_SHA
IMPORTARR_BUILD_DATE=$BUILD_DATE
EOF
systemctl restart "$SERVICE"
systemctl restart manual-media-import.timer
systemctl --no-pager --full status "$SERVICE"