---
apiVersion: v1
kind: ConfigMap
metadata:
  name: archmirror-sync-script
  namespace: archmirror
data:
  sync.sh: |
    #!/bin/sh
    set -e

    TARGET_DIR="/archlinux"
    MAX_RETRIES=3

    log() {
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" >&2
    }

    if [ -z "$MIRROR_URL" ]; then
        log "ERROR: MIRROR_URL not set"
        exit 1
    fi

    mkdir -p "$TARGET_DIR"

    do_rsync() {
        rsync --timeout=600 \
              -rltH --no-perms --chmod=D755,F664 --safe-links --delete-delay --delay-updates \
              -v --info=progress2 \
              "$@"
    }

    for i in $(seq 1 $MAX_RETRIES); do
        log "Sync attempt $i/$MAX_RETRIES from $MIRROR_URL"

        # Pass 1: sync packages, skip db/files indices so they are never updated
        # before their referenced package files arrive (avoids 404s).
        # Pass 2: sync everything including indices now that packages are present.
        if do_rsync \
                --exclude='*.db' --exclude='*.db.*' \
                --exclude='*.files' --exclude='*.files.*' \
                "$MIRROR_URL/" "$TARGET_DIR/" \
            && do_rsync \
                "$MIRROR_URL/" "$TARGET_DIR/"; then
            log "Sync completed successfully"
            exit 0
        fi

        if [ "$i" -lt "$MAX_RETRIES" ]; then
            sleep $((i * 300))
        fi
    done

    log "All sync attempts failed"
    exit 1