Let INFO redis_mode/server_mode depend on extended-redis-compatibility

Signed-off-by: Viktor Söderqvist <[email protected]>

src/server.c

@@ -5608,7 +5608,8 @@ sds genRedisInfoString(dict *section_dict, int all_sections, int everything) {
             "redis_git_sha1:%s\r\n", serverGitSHA1(),
             "redis_git_dirty:%i\r\n", strtol(serverGitDirty(),NULL,10) > 0,
             "redis_build_id:%s\r\n", serverBuildIdString(),
-            "redis_mode:%s\r\n", mode,
+            "%s_mode:", (server.extended_redis_compat ? "redis" : "server"),
+            "%s\r\n", mode,
             "os:%s", name.sysname,
             " %s", name.release,
             " %s\r\n", name.machine,

tests/unit/other.tcl

@@ -377,10 +377,16 @@ start_server {tags {"other"}} {
             set hello [r hello 3]
             assert_equal "redis" [dict get $hello server]
             assert_match "7.2.*" [dict get $hello version]
+            set info [r info server]
+            assert_match "*redis_mode:*" $info
+            assert_no_match "*server_mode:*" $info
             r config set extended-redis-compatibility no
             set hello [r hello 3]
             assert_equal "valkey" [dict get $hello server]
             assert_equal $version [dict get $hello version]
+            set info [r info server]
+            assert_no_match "*redis_mode:*" $info
+            assert_match "*server_mode:*" $info
         }
     }
 }