feat(sync): add dedicated Fedora updates synchronization script

- Download Fedora 43, 44, and 45 updates with 10 parallel streams
- Maintain backward-compatible symlinks for shortened updates paths
- Auto-rebuild HTML, UnixFS filestore ingest, IPNS/DNSLink publish, and web0 pin

Signed-off-by: Rénich Bon Ćirić <renich@evalinux.com>
Co-authored-by: Antigravity <antigravity@google.com>

bin/mxos-sync-fedora-updates.bash

@@ -0,0 +1,100 @@
+#!/usr/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
+if [[ -f "${REPO_ROOT}/config/etc/mirrors.env" ]]; then
+  # shellcheck source=/dev/null
+  source "${REPO_ROOT}/config/etc/mirrors.env"
+elif [[ -f "${REPO_ROOT}/etc/mirrors.env" ]]; then
+  # shellcheck source=/dev/null
+  source "${REPO_ROOT}/etc/mirrors.env"
+fi
+
+STAGING_DIR="${MIRRORS_STAGING_DIR:-$HOME/ipfs/staging}"
+LOG_DIR="${MIRRORS_LOG_DIR:-$HOME/ipfs/logs}"
+mkdir -p "${STAGING_DIR}" "${LOG_DIR}"
+
+LOG_FILE="${LOG_DIR}/fedora-updates-sync-$(date +%Y%m%d-%H%M%S).log"
+
+log() {
+  local timestamp
+  timestamp="$(date -u +"%Y-%m-%dT%H:%M:%SZ")"
+  echo "[${timestamp}] $*" | tee -a "${LOG_FILE}"
+}
+
+sync_update_repo() {
+  local ver="$1"
+  local dest_os="${STAGING_DIR}/fedora/updates/${ver}/Everything/x86_64/os"
+  local url="https://dl.fedoraproject.org/pub/fedora/linux/updates/${ver}/Everything/x86_64/"
+  local repo_id="f${ver}-updates"
+
+  mkdir -p "${dest_os}"
+
+  log "INFO: Sincronizando Fedora ${ver} Updates desde ${url}..."
+  dnf5 --setopt=max_parallel_downloads=10 \
+    --repofrompath="${repo_id},${url}" \
+    --repo="${repo_id}" reposync \
+    --download-metadata \
+    --norepopath \
+    --destdir="${dest_os}" \
+    --delete 2>&1 | tee -a "${LOG_FILE}"
+
+  # Crear enlace de conveniencia para clientes con ruta abreviada (updates/$ver/$basearch)
+  local compat_link="${STAGING_DIR}/fedora/updates/${ver}/x86_64"
+  if [[ ! -e "${compat_link}" ]]; then
+    ln -s "Everything/x86_64/os" "${compat_link}"
+    log "INFO: Enlace de compatibilidad creado: ${compat_link} -> Everything/x86_64/os"
+  fi
+}
+
+main() {
+  log "=========================================================="
+  log " Inicio de Sincronización de Actualizaciones Fedora (updates)"
+  log " Destino: ${STAGING_DIR}/fedora/updates"
+  log " Log: ${LOG_FILE}"
+  log "=========================================================="
+
+  # 1. Fedora 43 Updates (~60 GB)
+  sync_update_repo "43"
+
+  # 2. Fedora 44 Updates (~53 GB)
+  sync_update_repo "44"
+
+  # 3. Fedora 45 Updates (0 GB, inicialización de metadatos)
+  sync_update_repo "45"
+
+  log "INFO: Actualizaciones sincronizadas. Regenerando tamaños y portales..."
+  "${SCRIPT_DIR}/mxos-build-html.bash" 2>&1 | tee -a "${LOG_FILE}"
+
+  log "INFO: Ingesta UnixFS y publicación en IPFS..."
+  local root_cid
+  root_cid="$(ipfs add -r --nocopy --cid-version=1 --hash=sha2-256 -Q "${STAGING_DIR}")"
+  log "INFO: Nuevo CID raíz: ${root_cid}"
+
+  ipfs pin add "${root_cid}" >/dev/null 2>&1 || true
+
+  if ipfs files stat /mxos-root >/dev/null 2>&1; then
+    ipfs files rm -r /mxos-root
+  fi
+  ipfs files cp "/ipfs/${root_cid}" /mxos-root
+
+  log "INFO: Actualizando DNSLink y publicando IPNS..."
+  "${SCRIPT_DIR}/mxos-dnslink-update.bash" "${root_cid}" 2>&1 | tee -a "${LOG_FILE}" || true
+  "${SCRIPT_DIR}/mxos-ipns-publish.bash" "${root_cid}" 2>&1 | tee -a "${LOG_FILE}" || true
+
+  log "INFO: Replicando en web0.mx-os.mx..."
+  # shellcheck disable=SC2029
+  ssh root@web0.mx-os.mx "ipfs --api=/ip4/127.0.0.1/tcp/5001 swarm connect /ip4/192.168.1.100/tcp/4001/p2p/$(ipfs id -f='<id>') || true"
+  # shellcheck disable=SC2029
+  ssh root@web0.mx-os.mx "ipfs --api=/ip4/127.0.0.1/tcp/5001 pin add ${root_cid}/fedora/updates" || true
+
+  log "=========================================================="
+  log " Sincronización de Fedora Updates completada con éxito."
+  log " CID activo: ${root_cid}"
+  log "=========================================================="
+}
+
+main "$@"