From d52e449f87bd3181d49e5df982921185aed35407 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Tue, 3 Sep 2019 13:29:57 +0200
Subject: [PATCH] Fix setMetadata RPC saferphore

---
 lib/metadata.js | 2 +-
 rpc.js          | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/metadata.js b/lib/metadata.js
index bda0488dd..fb8628410 100644
--- a/lib/metadata.js
+++ b/lib/metadata.js
@@ -144,7 +144,7 @@ var handleCommand = Meta.handleCommand = function (meta, line) {
         throw new Error("METADATA_UNSUPPORTED_COMMAND");
     }
 
-    commands[command](meta, args);
+    return commands[command](meta, args);
 };
 Meta.commands = Object.keys(commands);
 
diff --git a/rpc.js b/rpc.js
index 08a4edecf..352165b0b 100644
--- a/rpc.js
+++ b/rpc.js
@@ -394,6 +394,7 @@ var setMetadata = function (Env, data, unsafeKey, cb) {
             // if your command is valid but it didn't result in any change to the metadata,
             // call back now and don't write any "useless" line to the log
             if (!changed) {
+                g();
                 return void cb(void 0, metadata);
             }
             Env.msgStore.writeMetadata(channel, JSON.stringify(line), function (e) {