apply workaround to select leaf directories

.gitlab-ci.yml

@@ -105,7 +105,7 @@ common:setup:
       echo "removing broken symlinks"
       find `realpath /scratch` -xtype l -print -delete
       echo "listing most offending directories"
-      find `realpath /scratch` -type d -print0 | (du -sL --files0-from=- || true) | sort -n > /tmp/df
+      find `realpath /scratch` -type d -links 2 -print0 | (du -sL --files0-from=- || true) | sort -n > /tmp/df
       #echo "listing cached entries by size"
       #find `realpath /scratch` -type l -print0 | (du -sL --files0-from=- || true) | sort -n > /tmp/df
       #find `realpath /scratch` -type f -print0 | du -s --files0-from=- || true | sort -n > /tmp/df