Rsync sync log: stream live output from tee'd log file, preserve last run

Rsync/rsync.sh

@@ -205,6 +205,12 @@ fi
 # Acquire per-profile lock and check global concurrent limit
 acquire_rsync_lock "$PROFILE_NAME"
 
+# Tee all output to a live log file for the Varaverk UI
+VV_LIVE_LOG="/tmp/unraid_locks/rsync_${PROFILE_NAME}.log"
+VV_LAST_LOG="/tmp/unraid_locks/rsync_${PROFILE_NAME}.last.log"
+: > "$VV_LIVE_LOG"
+exec 1> >(tee -a "$VV_LIVE_LOG") 2>&1
+
 # ── Load profile settings ─────────────────────────────────────────────────────────────────────
 BW_LIMIT=${PROFILE_BW_LIMIT[$PROFILE_NAME]:-$BW_LIMIT}
 RETRY_COUNT=${PROFILE_RETRY_COUNT[$PROFILE_NAME]:-$RETRY_COUNT}
@@ -446,5 +452,10 @@ else
 fi
 echo "━━━━━━━━━━━━━━━━━━━━━━━"
 
+# Flush tee and preserve log for UI
+exec 1>&-; wait
+cp "$VV_LIVE_LOG" "$VV_LAST_LOG" 2>/dev/null
+rm -f "$VV_LIVE_LOG"
+
 [[ "$RSYNC_SUCCESS" == false ]] && [[ "$DRY_RUN" == false ]] && exit 1
 exit 0