Add consistent Borg database dumps

ops/borg-ui/scripts/pre-backup-dumps.sh

@@ -68,6 +68,28 @@ dump_pg_globals() {
   atomic_write "$output" "$tmp"
 }
 
+dump_sqlite_file() {
+  source="$1"
+  output="$2"
+  label="$3"
+
+  if [ ! -f "$source" ]; then
+    warn "Skipping missing SQLite database for $label: $source"
+    return 0
+  fi
+
+  tmp="$TMP_DIR/$(basename "$output").tmp"
+  log "Dumping SQLite database '$label' from $source"
+  rm -f "$tmp"
+  sqlite3 "$source" ".backup $tmp"
+  if [ "$(sqlite3 "$tmp" 'PRAGMA quick_check;')" != "ok" ]; then
+    warn "SQLite quick_check failed for $label"
+    rm -f "$tmp"
+    return 1
+  fi
+  atomic_write "$output" "$tmp"
+}
+
 dump_optional_pg_db() {
   container="$1"
   password="$2"
@@ -131,6 +153,7 @@ dump_mongo_container() {
 
 main() {
   need_cmd docker
+  need_cmd sqlite3
   ensure_dirs
 
   # Shared PostgreSQL 17
@@ -162,6 +185,23 @@ main() {
     warn "Skipping missing container: immich_postgres"
   fi
 
+  if need_container "nextcloud-postgres"; then
+    nextcloud_password="$(cat /mnt/user/appdata/secrets/nextcloud_postgres_password.txt)"
+    dump_pg_db "nextcloud-postgres" "$nextcloud_password" "nextcloud" "nextcloud" "$LATEST_DIR/nextcloud.dump"
+  else
+    warn "Skipping missing container: nextcloud-postgres"
+  fi
+
+  # SQLite databases. Use host-side sqlite3 so the dump does not depend on
+  # utility packages inside application images.
+  dump_sqlite_file "/mnt/user/services/gitea/data/gitea/gitea.db" "$LATEST_DIR/gitea.sqlite" "gitea"
+  dump_sqlite_file "/mnt/user/appdata/vaultwarden/db.sqlite3" "$LATEST_DIR/vaultwarden.sqlite" "vaultwarden"
+  dump_sqlite_file "/mnt/user/appdata/uptime-kuma/kuma.db" "$LATEST_DIR/uptime-kuma.sqlite" "uptime-kuma"
+  dump_sqlite_file "/mnt/user/appdata/speedtest-tracker/config/database.sqlite" "$LATEST_DIR/speedtest-tracker.sqlite" "speedtest-tracker"
+  dump_sqlite_file "/mnt/user/appdata/filebrowser/database/filebrowser.db" "$LATEST_DIR/filebrowser.sqlite" "filebrowser"
+  dump_sqlite_file "/mnt/user/appdata/borg-ui/data/borg.db" "$LATEST_DIR/borg-ui.sqlite" "borg-ui"
+  dump_sqlite_file "/mnt/user/appdata/grafana/grafana.db" "$LATEST_DIR/grafana.sqlite" "grafana"
+
   # MongoDB
   dump_mongo_container "komodo-mongo" "$LATEST_DIR/komodo-mongo.archive.gz"