From 23b61734863a5f8bc66fa44734f8c8c3cd2c365a Mon Sep 17 00:00:00 2001
From: yancz2000 <yanchaozhong_yewu@cmss.chinamobile.com>
Date: Tue, 21 Dec 2021 20:11:18 +0800
Subject: [PATCH] Add --version support for redis-check-rdb (#9971)

Let's you see which version of redis this tool is part of (similarly to redis-cli and redis-benchmark)
---
 src/redis-check-rdb.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/redis-check-rdb.c b/src/redis-check-rdb.c
index 40de87374..ea608b7b8 100644
--- a/src/redis-check-rdb.c
+++ b/src/redis-check-rdb.c
@@ -357,6 +357,20 @@ err:
     return 1;
 }
 
+static sds checkRdbVersion(void) {
+    sds version;
+    version = sdscatprintf(sdsempty(), "%s", REDIS_VERSION);
+
+    /* Add git commit and working tree status when available */
+    if (strtoll(redisGitSHA1(),NULL,16)) {
+        version = sdscatprintf(version, " (git:%s", redisGitSHA1());
+        if (strtoll(redisGitDirty(),NULL,10))
+            version = sdscatprintf(version, "-dirty");
+        version = sdscat(version, ")");
+    }
+    return version;
+}
+
 /* RDB check main: called form server.c when Redis is executed with the
  * redis-check-rdb alias, on during RDB loading errors.
  *
@@ -375,6 +389,11 @@ int redis_check_rdb_main(int argc, char **argv, FILE *fp) {
     if (argc != 2 && fp == NULL) {
         fprintf(stderr, "Usage: %s <rdb-file-name>\n", argv[0]);
         exit(1);
+    } else if (!strcmp(argv[1],"-v") || !strcmp(argv[1], "--version")) {
+        sds version = checkRdbVersion();
+        printf("redis-check-rdb %s\n", version);
+        sdsfree(version);
+        exit(0);
     }
 
     gettimeofday(&tv, NULL);