* Pass --use-atime / --max-atime to the daemon.

Author: edolstra

src/libstore/remote-store.cc

@@ -426,6 +426,10 @@ void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results)
     writeInt(options.ignoreLiveness, to);
     writeLongLong(options.maxFreed, to);
     writeInt(options.maxLinks, to);
+    if (GET_PROTOCOL_MINOR(daemonVersion) >= 5) {
+        writeInt(options.useAtime, to);
+        writeInt(options.maxAtime, to);
+    }
 
     processStderr();
 

src/libstore/worker-protocol.hh

@@ -8,7 +8,7 @@ namespace nix {
 #define WORKER_MAGIC_1 0x6e697863
 #define WORKER_MAGIC_2 0x6478696f
 
-#define PROTOCOL_VERSION 0x104
+#define PROTOCOL_VERSION 0x105
 #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
 #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
 

src/nix-worker/nix-worker.cc

@@ -452,6 +452,10 @@ static void performOp(unsigned int clientVersion,
         options.ignoreLiveness = readInt(from);
         options.maxFreed = readLongLong(from);
         options.maxLinks = readInt(from);
+        if (GET_PROTOCOL_MINOR(clientVersion) >= 5) {
+            options.useAtime = readInt(from);
+            options.maxAtime = readInt(from);
+        }
 
         GCResults results;