ADD UPDATE SCRIPT v0.23

2026-07-06 12:17:38 +02:00
parent 1d134c38cd
commit ea284a426f
18 changed files with 446 additions and 16 deletions
@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Checks whether the BloomFeed git repository has new commits on origin/main
+# and, if so, redeploys via scriptsite.sh. Designed to be run periodically by
+# a cron job installed with --install (see below). Only redeploys when there
+# is actually something new, so an idle instance never rebuilds for nothing.
+
+APP_DIR="/opt/bloomfeed"
+CRON_FILE="/etc/cron.d/bloomfeed-auto-update"
+LOG_DIR="${APP_DIR}/storage/logs"
+LOG_FILE="${LOG_DIR}/auto-update.log"
+INTERVAL_MINUTES=30
+FORCE=false
+
+log() {
+  echo "$(date -Iseconds) $1"
+}
+
+case "${1:-}" in
+  --install)
+    INTERVAL_MINUTES="${2:-30}"
+    if ! [[ "${INTERVAL_MINUTES}" =~ ^[0-9]+$ ]] || [[ "${INTERVAL_MINUTES}" -lt 1 || "${INTERVAL_MINUTES}" -gt 1440 ]]; then
+      echo "ERROR: interval must be a number of minutes between 1 and 1440." >&2
+      exit 1
+    fi
+    sudo mkdir -p "${LOG_DIR}"
+    echo "*/${INTERVAL_MINUTES} * * * * root ${APP_DIR}/auto-update.sh >> ${LOG_FILE} 2>&1" | sudo tee "${CRON_FILE}" >/dev/null
+    sudo chmod 644 "${CRON_FILE}"
+    echo "==> Auto-update installed: checking for new commits every ${INTERVAL_MINUTES} minute(s)."
+    echo "    Cron file: ${CRON_FILE}"
+    echo "    Logs:      ${LOG_FILE}"
+    exit 0
+    ;;
+  --uninstall)
+    sudo rm -f "${CRON_FILE}"
+    echo "==> Auto-update disabled (cron file removed)."
+    exit 0
+    ;;
+  --status)
+    if [[ -f "${CRON_FILE}" ]]; then
+      echo "==> Auto-update is ENABLED:"
+      cat "${CRON_FILE}"
+    else
+      echo "==> Auto-update is DISABLED (no ${CRON_FILE})."
+    fi
+    if [[ -f "${LOG_FILE}" ]]; then
+      echo "==> Last log entries:"
+      tail -n 10 "${LOG_FILE}"
+    fi
+    exit 0
+    ;;
+  --force)
+    FORCE=true
+    ;;
+  --help|-h)
+    echo "Usage: bash auto-update.sh [--install [minutes]|--uninstall|--status|--force]"
+    echo "  (no args)        Check for new commits and redeploy if found — meant to be run by cron."
+    echo "  --install [N]    Install a cron job checking every N minutes (default: 30)."
+    echo "  --uninstall      Remove the cron job."
+    echo "  --status         Show whether auto-update is enabled and recent log entries."
+    echo "  --force          Redeploy immediately, even without a new commit."
+    exit 0
+    ;;
+  "") ;;
+  *)
+    echo "Unknown option: ${1} (use --help)" >&2
+    exit 1
+    ;;
+esac
+
+if [[ ! -d "${APP_DIR}/.git" ]]; then
+  echo "ERROR: ${APP_DIR} is not a git repository — run scriptsite.sh first." >&2
+  exit 1
+fi
+
+mkdir -p "${LOG_DIR}"
+cd "${APP_DIR}"
+
+git fetch origin main --quiet
+
+LOCAL_SHA="$(git rev-parse HEAD)"
+REMOTE_SHA="$(git rev-parse origin/main)"
+
+if [[ "${FORCE}" != true && "${LOCAL_SHA}" == "${REMOTE_SHA}" ]]; then
+  log "No update available (up to date at ${LOCAL_SHA:0:7})."
+  exit 0
+fi
+
+if [[ "${FORCE}" == true ]]; then
+  log "Forced redeploy requested (currently at ${LOCAL_SHA:0:7})."
+else
+  log "Update found: ${LOCAL_SHA:0:7} -> ${REMOTE_SHA:0:7}. Redeploying..."
+fi
+
+if bash "${APP_DIR}/scriptsite.sh"; then
+  log "Auto-update finished successfully (now at $(git rev-parse HEAD | cut -c1-7))."
+else
+  log "Auto-update FAILED — the instance may be left in a partially deployed state, check the output above."
+  exit 1
+fi