snapshot current state before gitea sync

RunPlus/SyncClock.swift

@@ -0,0 +1,17 @@
+import Foundation
+
+enum SyncClock {
+    private static var hostOffset: TimeInterval = 0
+
+    static func uptime() -> TimeInterval {
+        ProcessInfo.processInfo.systemUptime
+    }
+
+    static func setHostOffset(hostUptime: TimeInterval, peerUptime: TimeInterval) {
+        hostOffset = hostUptime - peerUptime
+    }
+
+    static func convert(hostUptime: TimeInterval) -> TimeInterval {
+        hostUptime - hostOffset
+    }
+}