test/docker-test-helper.sh: move "cp .git/HEAD" out of loop

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/test/docker-test-helper.sh b/src/test/docker-test-helper.sh
index d3f58300d9a082006c6d3a5135a61db0e8f718e4..d13926b7a2cb880cf97b267de72c8a205af2e797 100755 (executable)
--- a/src/test/docker-test-helper.sh
+++ b/src/test/docker-test-helper.sh
@@ -90,8 +90,8 @@ function setup_downstream() {
                        ;;
                esac
                ln -s "$upstream/.git/$x" "$downstream/.git/$x"
-                cp "$upstream/.git/HEAD" "$downstream/.git/HEAD"
             done
+            cp "$upstream/.git/HEAD" "$downstream/.git/HEAD"
         fi
         cd $downstream
         git reset --hard $ref || return 1