Adhere to qit quiet flag

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 ### Fixed
 - Error on repository initialization with least-privilege user ([#1414](https://github.com/scm-manager/scm-manager/pull/1414))
+- Adhere to git quiet flag ([#1421](https://github.com/scm-manager/scm-manager/pull/1421))
 
 ## [2.9.0] - 2020-11-06
 ### Added

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/api/GitHookMessageProvider.java

@@ -21,7 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-    
+
 package sonia.scm.repository.api;
 
 //~--- non-JDK imports --------------------------------------------------------
@@ -71,7 +71,9 @@ public final class GitHookMessageProvider implements HookMessageProvider
   @Override
   public void sendMessage(String message)
   {
-    GitHooks.sendPrefixedMessage(receivePack, message);
+    if (!receivePack.isQuiet()) {
+      GitHooks.sendPrefixedMessage(receivePack, message);
+    }
   }
 
   //~--- fields ---------------------------------------------------------------