Add a ‘verifyStore’ RPC

Hello!

The patch below adds a ‘verifyStore’ RPC with the same signature as the
current LocalStore::verifyStore method.

Thanks,
Ludo’.

>From aef46c03ca77eb6344f4892672eb6d9d06432041 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 1 Jun 2015 23:17:10 +0200
Subject: [PATCH] Add a 'verifyStore' remote procedure call.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index bed7de0859..b3552a972f 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -519,6 +519,16 @@ static void performOp(bool trusted, unsigned int clientVersion,
         writeInt(1, to);
         break;
 
+    case wopVerifyStore: {
+	bool checkContents = readInt(from) != 0;
+	bool repair = readInt(from) != 0;
+	startWork();
+	bool errors = store->verifyStore(checkContents, repair);
+	stopWork();
+	writeInt(errors, to);
+	break;
+    }
+
     default:
         throw Error(format("invalid operation %1%") % op);
     }