SERVER-30607 Do not log MongoS build info twice at startup

(cherry picked from commit 83292f18bc75726a548ab7c9c5c650d779c90684)

2 files changed, 10 insertions, 5 deletions

diff --git a/src/mongo/s/version_mongos.cpp b/src/mongo/s/version_mongos.cpp
index 499b1e8af90..4e80a8e36f3 100644
--- a/src/mongo/s/version_mongos.cpp
+++ b/src/mongo/s/version_mongos.cpp
@@ -42,15 +42,15 @@
 
 namespace mongo {
 
-void printShardingVersionInfo(bool out) {
+void printShardingVersionInfo(bool isForVersionReportingOnly) {
     auto&& vii = VersionInfoInterface::instance();
-    if (out) {
+
+    if (isForVersionReportingOnly) {
         setPlainConsoleLogger();
         log() << mongosVersion(vii);
         vii.logBuildInfo();
     } else {
         log() << mongosVersion(vii);
-        vii.logBuildInfo();
         logProcessDetails();
     }
 }
diff --git a/src/mongo/s/version_mongos.h b/src/mongo/s/version_mongos.h
index e4634e48d0d..c688b075abb 100644
--- a/src/mongo/s/version_mongos.h
+++ b/src/mongo/s/version_mongos.h
@@ -28,6 +28,11 @@
  */
 
 namespace mongo {
-// print mongos version info
-void printShardingVersionInfo(bool out);
+
+/**
+ * Outputs the version of MongoS either to the standard output (as part of the --version option,
+ * which case isForVersionReportingOnly = true) or to the log file as part of server startup.
+ */
+void printShardingVersionInfo(bool isForVersionReportingOnly);
+
 }  // namespace mongo