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+#!/usr/bin/env bash
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+set -Eeuo pipefail
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+
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+INSTALL_DIR="${INSTALL_DIR:-/opt/bambuddy}"
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+SERVICE_NAME="${SERVICE_NAME:-bambuddy}"
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+BRANCH="${BRANCH:-}"
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+VENV_PIP="${VENV_PIP:-$INSTALL_DIR/venv/bin/pip}"
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+FRONTEND_DIR="${FRONTEND_DIR:-$INSTALL_DIR/frontend}"
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+BACKUP_DIR="${BACKUP_DIR:-$INSTALL_DIR/backups}"
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+BAMBUDDY_API_URL="${BAMBUDDY_API_URL:-http://127.0.0.1:8000/api/v1}"
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+BAMBUDDY_API_KEY="${BAMBUDDY_API_KEY:-}"
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+BACKUP_MODE="${BACKUP_MODE:-auto}" # auto|require|skip
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+FORCE="${FORCE:-0}"
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+
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+SERVICE_STOPPED=0
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+
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+log() {
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+ printf '[bambuddy-update] %s\n' "$*"
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+}
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+
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+warn() {
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+ printf '[bambuddy-update] WARNING: %s\n' "$*" >&2
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+}
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+
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+die() {
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+ printf '[bambuddy-update] ERROR: %s\n' "$*" >&2
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+ exit 1
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+}
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+
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+require_cmd() {
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+ command -v "$1" >/dev/null 2>&1 || die "Missing required command: $1"
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+}
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+
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+on_error() {
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+ local exit_code="$1"
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+ if [ "$SERVICE_STOPPED" -eq 1 ]; then
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+ warn "Update failed, attempting to restart service: $SERVICE_NAME"
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+ systemctl start "$SERVICE_NAME" || true
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+ fi
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+ exit "$exit_code"
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+}
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+trap 'on_error $?' ERR
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+
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+create_backup() {
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+ local ts backup_file
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+
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+ if [ "$BACKUP_MODE" = "skip" ]; then
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+ log "Skipping backup (BACKUP_MODE=skip)"
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+ return 0
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+ fi
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+
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+ if ! systemctl is-active --quiet "$SERVICE_NAME"; then
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+ if [ "$BACKUP_MODE" = "require" ]; then
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+ die "Service is not running; cannot call built-in backup API."
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+ fi
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+ warn "Service is not running; skipping built-in backup API call."
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+ return 0
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+ fi
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+
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+ mkdir -p "$BACKUP_DIR"
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+ ts="$(date +%Y%m%d-%H%M%S)"
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+ backup_file="$BACKUP_DIR/bambuddy-backup-$ts.zip"
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+
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+ log "Creating built-in backup via API: $backup_file"
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+ if [ -n "$BAMBUDDY_API_KEY" ]; then
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+ if curl --silent --show-error --fail --location \
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+ --connect-timeout 5 --max-time 900 \
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+ -H "X-API-Key: $BAMBUDDY_API_KEY" \
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+ "$BAMBUDDY_API_URL/settings/backup" \
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+ --output "$backup_file"; then
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+ log "Backup created successfully"
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+ return 0
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+ fi
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+ else
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+ if curl --silent --show-error --fail --location \
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+ --connect-timeout 5 --max-time 900 \
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+ "$BAMBUDDY_API_URL/settings/backup" \
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+ --output "$backup_file"; then
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+ log "Backup created successfully"
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+ return 0
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+ fi
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+ fi
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+
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+ rm -f "$backup_file"
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+ if [ "$BACKUP_MODE" = "require" ]; then
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+ die "Built-in backup API call failed (BACKUP_MODE=require)."
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+ fi
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+ warn "Built-in backup API call failed. Continuing because BACKUP_MODE=auto."
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+}
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+
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+[ "${EUID:-$(id -u)}" -eq 0 ] || die "Run as root (or with sudo)."
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+
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+case "$BACKUP_MODE" in
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+ auto|require|skip) ;;
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+ *) die "Invalid BACKUP_MODE '$BACKUP_MODE' (expected: auto, require, skip)." ;;
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+esac
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+
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+require_cmd git
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+require_cmd systemctl
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+require_cmd curl
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+
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+[ -d "$INSTALL_DIR" ] || die "Install directory not found: $INSTALL_DIR"
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+cd "$INSTALL_DIR"
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+[ -d .git ] || die "No git repository found in: $INSTALL_DIR"
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+
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+if [ -z "$BRANCH" ]; then
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+ BRANCH="$(git rev-parse --abbrev-ref HEAD)"
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+ [ "$BRANCH" = "HEAD" ] && BRANCH="main"
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+fi
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+
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+if ! systemctl list-unit-files --type=service | grep -q "^${SERVICE_NAME}\.service"; then
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+ die "Service not found: ${SERVICE_NAME}.service"
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+fi
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+
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+if [ -n "$(git status --porcelain)" ]; then
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+ warn "Local changes detected in $INSTALL_DIR."
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+ warn "This update uses: git reset --hard origin/$BRANCH"
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+ if [ "$FORCE" != "1" ]; then
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+ read -r -p "Discard local changes and continue? [y/N]: " answer
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+ case "${answer:-}" in
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+ y|Y|yes|YES) ;;
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+ *) die "Update cancelled by user." ;;
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+ esac
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+ else
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+ warn "Proceeding without prompt because FORCE=1."
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+ fi
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+fi
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+
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+create_backup
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+
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+old_commit="$(git rev-parse --short HEAD || true)"
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+
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+log "Stopping service: $SERVICE_NAME"
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+systemctl stop "$SERVICE_NAME"
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+SERVICE_STOPPED=1
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+
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+log "Updating code from origin/$BRANCH"
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+git fetch --prune origin
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+git reset --hard "origin/$BRANCH"
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+
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+if [ -x "$VENV_PIP" ] && [ -f requirements.txt ]; then
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+ log "Updating Python dependencies"
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+ "$VENV_PIP" install -r requirements.txt
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+else
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+ warn "Skipping Python dependency update (venv pip or requirements.txt missing)."
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+fi
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+
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+if [ -f "$FRONTEND_DIR/package.json" ]; then
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+ if command -v npm >/dev/null 2>&1; then
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+ log "Building frontend"
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+ (
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+ cd "$FRONTEND_DIR"
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+ npm ci
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+ npm run build
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+ )
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+ else
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+ warn "Skipping frontend build (npm not installed)."
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+ fi
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+else
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+ warn "Skipping frontend build (frontend/package.json not found)."
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+fi
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+
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+log "Starting service: $SERVICE_NAME"
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+systemctl start "$SERVICE_NAME"
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+SERVICE_STOPPED=0
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+systemctl --no-pager --lines=8 status "$SERVICE_NAME"
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+
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+new_commit="$(git rev-parse --short HEAD || true)"
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+log "Update complete: ${old_commit:-unknown} -> ${new_commit:-unknown}"
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uefigs139