From 2c970532dc47e68efee55082718502e4fa591c7d Mon Sep 17 00:00:00 2001
From: "zhaozhao.zz" <zhaozhao.zz@alibaba-inc.com>
Date: Fri, 22 Nov 2019 16:20:27 +0800
Subject: [PATCH] Propagation: flag module client as CLIENT_MULTI if needed

in case of nested MULTI/EXEC
---
 src/module.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/module.c b/src/module.c
index b6a87ab27..177864497 100644
--- a/src/module.c
+++ b/src/module.c
@@ -3243,6 +3243,11 @@ RedisModuleCallReply *RM_Call(RedisModuleCtx *ctx, const char *cmdname, const ch
      * a Lua script in the context of AOF and slaves. */
     if (replicate) moduleReplicateMultiIfNeeded(ctx);
 
+    if (ctx->client->flags & CLIENT_MULTI ||
+        ctx->flags & REDISMODULE_CTX_MULTI_EMITTED) {
+        c->flags |= CLIENT_MULTI;
+    }
+
     /* Run the command */
     int call_flags = CMD_CALL_SLOWLOG | CMD_CALL_STATS;
     if (replicate) {