tests: use test_write_lines() to generate line-oriented output

Take advantage of test_write_lines() to generate line-oriented output
rather than using for-loops or a series of `echo` commands. Not only is
test_write_lines() a natural fit for such a task, but there is less
opportunity for a broken &&-chain.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/t/t6409-merge-subtree.sh b/t/t6409-merge-subtree.sh
index ba7890ec52..e9ba6f1690 100755
--- a/t/t6409-merge-subtree.sh
+++ b/t/t6409-merge-subtree.sh
@@ -10,7 +10,7 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 test_expect_success setup '
 
 	s="1 2 3 4 5 6 7 8" &&
-	for i in $s; do echo $i; done >hello &&
+	test_write_lines $s >hello &&
 	git add hello &&
 	git commit -m initial &&
 	git checkout -b side &&
@@ -18,7 +18,7 @@ test_expect_success setup '
 	git add hello &&
 	git commit -m second &&
 	git checkout main &&
-	for i in mundo $s; do echo $i; done >hello &&
+	test_write_lines mundo $s >hello &&
 	git add hello &&
 	git commit -m main
 
@@ -27,7 +27,7 @@ test_expect_success setup '
 test_expect_success 'subtree available and works like recursive' '
 
 	git merge -s subtree side &&
-	for i in mundo $s world; do echo $i; done >expect &&
+	test_write_lines mundo $s world >expect &&
 	test_cmp expect hello
 
 '