t6050: use test_line_count instead of wc -l

This modernizes a test and makes it more portable.

Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh
index d638119750c5b9f11682814de466cc19a9d38770..41b177936e383c1ef0302f080816f1eb564aa196 100755 (executable)
--- a/t/t6050-replace.sh
+++ b/t/t6050-replace.sh
@@ -393,9 +393,11 @@ test_expect_success 'replace ref cleanup' '
 '
 
 test_expect_success '--graft with and without already replaced object' '
-       test $(git log --oneline | wc -l) = 7 &&
+       git log --oneline >log &&
+       test_line_count = 7 log &&
        git replace --graft $HASH5 &&
-       test $(git log --oneline | wc -l) = 3 &&
+       git log --oneline >log &&
+       test_line_count = 3 log &&
        commit_has_parents $HASH5 &&
        test_must_fail git replace --graft $HASH5 $HASH4 $HASH3 &&
        git replace --force -g $HASH5 $HASH4 $HASH3 &&