t9300: factor out portable "head -c" replacement

diff --git a/t/t5561-http-backend.sh b/t/t5561-http-backend.sh
index 19afe966986cdc72cf8fc23f113bd77a8128f382..90e0d6f0fe935970c0941bfef2af39bb15d2f959 100755 (executable)
--- a/t/t5561-http-backend.sh
+++ b/t/t5561-http-backend.sh
@@ -29,15 +29,9 @@ POST() {
        test_cmp exp act
 }
 
-log_div() {
-       echo >>"$HTTPD_ROOT_PATH"/access.log
-       echo "###  $1" >>"$HTTPD_ROOT_PATH"/access.log
-       echo "###" >>"$HTTPD_ROOT_PATH"/access.log
-}
-
 . "$TEST_DIRECTORY"/t556x_common
 
-cat >exp <<EOF
+grep '^[^#]' >exp <<EOF
 
 ###  refs/heads/master
 ###