From 7d7e3f00e02f1a86e11a412a4db99ee25e0c5c66 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Fri, 10 Jan 2014 14:41:44 +0100
Subject: [PATCH] Sentinel: added SENTINEL MASTER <name> command.

With SENTINEL MASTERS it was already possible to list all the configured
masters, but not a specific one.
---
 src/sentinel.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/sentinel.c b/src/sentinel.c
index 8bc262ce4..4966a1dbd 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -2378,8 +2378,14 @@ void sentinelCommand(redisClient *c) {
     if (!strcasecmp(c->argv[1]->ptr,"masters")) {
         /* SENTINEL MASTERS */
         if (c->argc != 2) goto numargserr;
-
         addReplyDictOfRedisInstances(c,sentinel.masters);
+    } else if (!strcasecmp(c->argv[1]->ptr,"master")) {
+        /* SENTINEL MASTER <name> */
+        sentinelRedisInstance *ri;
+
+        if ((ri = sentinelGetMasterByNameOrReplyError(c,c->argv[2]))
+            == NULL) return;
+        addReplySentinelRedisInstance(c,ri);
     } else if (!strcasecmp(c->argv[1]->ptr,"slaves")) {
         /* SENTINEL SLAVES <master-name> */
         sentinelRedisInstance *ri;