feat(ops/bugry): configure depot replication to bugry

Change-Id: I3ee35e76c9ec6d7a175801c45eee073ce23d3dfd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/13020
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI

ops/machines/bugry/default.nix

@@ -6,6 +6,7 @@ let
 in
 {
   imports = [
+    (mod "depot-replica.nix")
     (mod "known-hosts.nix")
     (mod "nixery.nix")
     (mod "tvl-cache.nix")
@@ -173,6 +174,9 @@ in
 
   services.depot.nixery.enable = true;
 
+  # Allow Gerrit to replicate depot to /var/lib/depot
+  services.depot.replica.enable = true;
+
   services.depot.automatic-gc = {
     enable = true;
     interval = "1 hour";

ops/modules/monorepo-gerrit.nix

@@ -157,6 +157,11 @@ in
         url = "depot@sanduny.tvl.su:/var/lib/depot";
         projects = "depot";
       };
+
+      remote.bugry = {
+        url = "depot@bugry.tvl.fyi:/var/lib/depot";
+        projects = "depot";
+      };
     };
   };