t6036: avoid non-portable "cp -a"

diff --git a/t/t5401-update-hooks.sh b/t/t5401-update-hooks.sh
index 7f278d8ce932f34420c337571ec043ffb5e318e9..956d69f5b1773d3d697e4bb2ca9d50786c42b74f 100755 (executable)
--- a/t/t5401-update-hooks.sh
+++ b/t/t5401-update-hooks.sh
@@ -82,13 +82,13 @@ test_expect_success 'hooks ran' '
 '
 
 test_expect_success 'pre-receive hook input' '
-       (echo $commit0 $commit1 refs/heads/master;
+       (echo $commit0 $commit1 refs/heads/master &&
         echo $commit1 $commit0 refs/heads/tofail
        ) | test_cmp - victim.git/pre-receive.stdin
 '
 
 test_expect_success 'update hook arguments' '
-       (echo refs/heads/master $commit0 $commit1;
+       (echo refs/heads/master $commit0 $commit1 &&
         echo refs/heads/tofail $commit1 $commit0
        ) | test_cmp - victim.git/update.args
 '
@@ -104,17 +104,17 @@ test_expect_success 'post-update hook arguments' '
 '
 
 test_expect_success 'all hook stdin is /dev/null' '
-       ! test -s victim.git/update.stdin &&
-       ! test -s victim.git/post-update.stdin
+       test_must_be_empty victim.git/update.stdin &&
+       test_must_be_empty victim.git/post-update.stdin
 '
 
 test_expect_success 'all *-receive hook args are empty' '
-       ! test -s victim.git/pre-receive.args &&
-       ! test -s victim.git/post-receive.args
+       test_must_be_empty victim.git/pre-receive.args &&
+       test_must_be_empty victim.git/post-receive.args
 '
 
 test_expect_success 'send-pack produced no output' '
-       ! test -s send.out
+       test_must_be_empty send.out
 '
 
 cat <<EOF >expect