seperated logg and echo a lot
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@@ -3,51 +3,71 @@
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# ----------------------- Common Helpers for Unraid Scripts -------------------------------------
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# -----------------------------------------------------------------------------------------------
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# ----------------------------- Logging -----------------------------
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# ----------------------------- Output Helpers -----------------------------
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info() {
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echo "[INFO] $*"
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}
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warn() {
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echo "[WARN] $*"
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}
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error() {
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echo "[ERROR] $*"
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}
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log() {
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[[ "$ENABLE_LOGGING" == true ]] && echo "[LOG] $(date '+%Y-%m-%d %H:%M:%S') $*"
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[[ "$ENABLE_LOGGING" == true ]] && echo "[LOG] $*"
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}
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# ----------------------------- Argument Parsing -----------------------------
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parse_args() {
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DRY_RUN=${DRY_RUN:-false}
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for ARG in "$@"; do
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if [[ "$ARG" == *=* ]]; then
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VAR_NAME="${ARG%%=*}"
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VAR_VALUE="${ARG#*=}"
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if declare -p "$VAR_NAME" &>/dev/null; then
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printf -v "$VAR_NAME" '%s' "$VAR_VALUE"
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log "Overriding $VAR_NAME -> $VAR_VALUE"
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log "Override: $VAR_NAME=$VAR_VALUE"
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else
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echo "Warning: Unknown variable $VAR_NAME, ignoring."
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warn "Unknown variable $VAR_NAME, ignoring."
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fi
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else
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case "$ARG" in
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--dry-run|-n)
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DRY_RUN=true
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info "Dry-run mode enabled"
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;;
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--log)
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LOG=true|--log)
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ENABLE_LOGGING=true
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info "Verbose logging enabled"
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;;
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--no-log)
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LOG=false)
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ENABLE_LOGGING=false
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;;
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--help|-h)
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echo "Usage: script [--dry-run|-n] [--log|--no-log] [VAR=value ...]"
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echo "Usage: script [--dry-run|-n] [LOG=true] [VAR=value ...]"
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exit 0
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;;
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*)
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echo "Warning: Unknown argument $ARG"
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warn "Unknown argument $ARG"
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;;
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esac
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fi
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done
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}
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# ----------------------------- Validation -----------------------------
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require_var() {
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local var="$1"
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if [[ -z "${!var:-}" ]]; then
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echo "Error: Required variable $var is not set."
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error "Required variable $var is not set."
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exit 1
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fi
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}
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@@ -55,15 +75,18 @@ require_var() {
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validate_int() {
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local name="$1"
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local value="$2"
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if ! [[ "${value:-}" =~ ^[0-9]+$ ]]; then
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echo "Error: $name must be a non-negative integer."
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error "$name must be a non-negative integer."
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exit 1
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fi
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}
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# ----------------------------- Host Detection & SSH -----------------------------
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# ----------------------------- Host Detection -----------------------------
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detect_hosts() {
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LOCAL_HOSTNAME="$(hostname)"
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if [[ "$LOCAL_HOSTNAME" == "$HOST1" ]]; then
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LOCAL_SERVER_NAME="$HOST1"
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REMOTE_SERVER_NAME="$HOST2"
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@@ -71,7 +94,7 @@ detect_hosts() {
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LOCAL_SERVER_NAME="$HOST2"
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REMOTE_SERVER_NAME="$HOST1"
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else
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echo "Error: Local hostname ($LOCAL_HOSTNAME) not recognized."
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error "Local hostname ($LOCAL_HOSTNAME) not recognized."
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exit 1
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fi
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@@ -81,63 +104,94 @@ detect_hosts() {
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KEY_ID="$LOCAL_SERVER_NAME|$REMOTE_SERVER_NAME"
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SSH_KEY="${SSH_KEYS[$KEY_ID]}"
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if [[ -z "$SSH_KEY" ]]; then
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echo "Error: No SSH key defined for $LOCAL_SERVER_NAME → $REMOTE_SERVER_NAME"
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error "No SSH key defined for $LOCAL_SERVER_NAME → $REMOTE_SERVER_NAME"
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exit 1
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fi
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echo "Local server: $LOCAL_SERVER_NAME, Remote server: $REMOTE_SERVER_NAME, SSH key: $SSH_KEY"
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log "Detected hosts successfully"
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info "Local: $LOCAL_SERVER_NAME → Remote: $REMOTE_SERVER_NAME"
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log "SSH key: $SSH_KEY"
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}
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# ----------------------------- Remote Server IP -----------------------------
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# ----------------------------- Remote IP -----------------------------
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resolve_remote_ip() {
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log "Resolving Tailscale IP for $REMOTE_SERVER_NAME..."
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REMOTE_SERVER=$(tailscale ip -4 "$REMOTE_SERVER_NAME" 2>/dev/null)
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if [[ -z "$REMOTE_SERVER" ]]; then
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echo "Error: Could not resolve Tailscale IP for $REMOTE_SERVER_NAME"
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error "Could not resolve Tailscale IP for $REMOTE_SERVER_NAME"
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exit 1
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fi
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echo "Remote IP: $REMOTE_SERVER"
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log "Resolved Tailscale IP successfully"
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info "Remote IP: $REMOTE_SERVER"
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}
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# ----------------------------- Container Helpers -----------------------------
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# ----------------------------- Connectivity -----------------------------
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check_remote_online() {
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log "Pinging $REMOTE_SERVER..."
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ping -c 1 "$REMOTE_SERVER" &>/dev/null
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}
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# ----------------------------- Containers -----------------------------
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declare -a RUNNING_CONTAINERS=()
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stop_containers() {
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echo "Checking critical containers on $REMOTE_SERVER_NAME..."
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if [[ ${#CRITICAL_CONTAINER_NAMES[@]} -eq 0 ]]; then
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log "No containers defined to stop"
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return
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fi
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info "Stopping containers on $REMOTE_SERVER_NAME..."
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RUNNING_CONTAINERS=()
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for container in "${CRITICAL_CONTAINER_NAMES[@]}"; do
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log "Checking container: $container"
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STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
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"docker inspect -f '{{.State.Running}}' $container 2>/dev/null" || echo "false")
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log "Container $container running: $STATUS"
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if [[ "$STATUS" == "true" ]]; then
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echo "Stopping $container"
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info "Stopping $container"
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RUNNING_CONTAINERS+=("$container")
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ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker stop $container"
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else
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log "$container already stopped"
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fi
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done
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}
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start_containers() {
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echo "Restarting containers on $REMOTE_SERVER_NAME..."
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if [[ ${#RUNNING_CONTAINERS[@]} -eq 0 ]]; then
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log "No containers to restart"
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return
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fi
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info "Starting containers on $REMOTE_SERVER_NAME..."
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for container in "${RUNNING_CONTAINERS[@]}"; do
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if [[ " ${DELAYED_CONTAINERS[*]} " == *" $container "* ]]; then
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echo "Delaying start of $container by ${CONTAINER_DELAY}s..."
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info "Delaying $container (${CONTAINER_DELAY}s)"
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sleep "$CONTAINER_DELAY"
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fi
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info "Starting $container"
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ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
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log "Container $container started"
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done
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}
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# ----------------------------- Rsync Options Builder -----------------------------
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# ----------------------------- Rsync Options -----------------------------
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get_rsync_opts() {
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if [[ -n "${PROFILE_RSYNC_OPTS[$PROFILE_NAME]:-}" ]]; then
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read -r -a RSYNC_OPTS <<< "${PROFILE_RSYNC_OPTS[$PROFILE_NAME]}"
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log "Using profile-specific rsync options: ${RSYNC_OPTS[*]}"
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log "Using profile rsync options: ${PROFILE_RSYNC_OPTS[$PROFILE_NAME]}"
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else
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RSYNC_OPTS=("${DEFAULT_RSYNC_OPTS[@]}")
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log "Using default rsync options: ${RSYNC_OPTS[*]}"
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log "Using default rsync options: ${DEFAULT_RSYNC_OPTS[*]}"
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fi
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}
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