Suppress Git clean output in GitLab CI

Git clean in GitLab CI can take up to a thousand lines, thus cluttering
the output for no good reason.

The default GitLab GIT_CLEAN_FLAGS variable is extended with "q" as in
"quiet.

(cherry picked from commit ddb33a12fc825051714777a1b9c579df184b1abb)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 09df6ee3154802404a8084fd98d52af88012ee3a..c62af8bd9517e62a393f77acca4e1d856462ddd6 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,6 +8,7 @@ variables:
   CCACHE_DIR: "/ccache"
 
   GIT_DEPTH: 1
+  GIT_CLEAN_FLAGS: -ffdxq
 
   # The following values may be overwritten in GitLab's CI/CD Variables Settings.
   BUILD_PARALLEL_JOBS: 6