t5520: don't put git in upstream of pipe

Before, if the invocation of git failed, it would be masked by the pipe
since only the return code of the last element of a pipe is used.
Rewrite the test to put the git command on its own line so its return
code is not masked.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh
index 8b7e7ae55da0880a60737445170f5d6ad620a832..8ddf89e550eef3adf137958c82ef57b2fbedff43 100755 (executable)
--- a/t/t5520-pull.sh
+++ b/t/t5520-pull.sh
@@ -668,7 +668,8 @@ test_expect_success 'pull --rebase fails on corrupt HEAD' '
        (
                cd corrupt &&
                test_commit one &&
-               obj=$(git rev-parse --verify HEAD | sed "s#^..#&/#") &&
+               git rev-parse --verify HEAD >head &&
+               obj=$(sed "s#^..#&/#" head) &&
                rm -f .git/objects/$obj &&
                test_must_fail git pull --rebase
        )