[GSoC PATCH 11/16] t3903: avoid suppressing git's exit code

[Trieu Huynh <vikingtc4@gmail.com>]

Update t3903-stash.sh to redirect git-cmds output to a temporary
file instead of piping it directly to not hide the exit code
of git commands behind pipes, as a crash in git might go
unnoticed.

Signed-off-by: Trieu Huynh <vikingtc4@gmail.com>
---
 t/t3903-stash.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index 70879941c2..b67cf23fbb 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -962,7 +962,8 @@ test_expect_success 'store updates stash ref and reflog' '
 	test_path_is_missing bazzy &&
 	git stash store -m quuxery $STASH_ID &&
 	test $(git rev-parse stash) = $STASH_ID &&
-	git reflog --format=%H stash| grep $STASH_ID &&
+	git reflog --format=%H stash >actual &&
+	test_grep "$STASH_ID" actual &&
 	git stash pop &&
 	grep quux bazzy
 '
@@ -976,7 +977,7 @@ test_expect_success 'handle stash specification with spaces' '
 	echo cow >file &&
 	git stash &&
 	git stash apply "stash@{$stamp}" &&
-	grep pig file
+	test_grep pig file
 '
 
 test_expect_success 'setup stash with index and worktree changes' '
-- 
2.43.0