[PATCH 1/4] t3430: modernize one-shot "VAR=val shell-func" invocation

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From: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>

Unlike "VAR=val cmd" one-shot environment variable assignments which
exist only for the invocation of 'cmd', those assigned by "VAR=val
shell-func" exist within the running shell and continue to do so until
the process exits (or are explicitly unset). check-non-portable-shell.pl
warns when it detects such usage since, more often than not, the author
who writes such an invocation is unaware of the undesirable behavior.

A common way to work around the problem is to wrap a subshell around the
variable assignments and function call, thus ensuring that the
assignments are short-lived. However, these days, a more ergonomic
approach is to employ test_env() which is tailor-made for this specific
use-case.

Signed-off-by: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>
---
 t/t3430-rebase-merges.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/t/t3430-rebase-merges.sh b/t/t3430-rebase-merges.sh
index 36ca126bcd..e851ede4f9 100755
--- a/t/t3430-rebase-merges.sh
+++ b/t/t3430-rebase-merges.sh
@@ -392,8 +392,8 @@ test_expect_success 'refuse to merge ancestors of HEAD' '
 
 test_expect_success 'root commits' '
 	git checkout --orphan unrelated &&
-	(GIT_AUTHOR_NAME="Parsnip" GIT_AUTHOR_EMAIL="root@xxxxxxxxxxx" \
-	 test_commit second-root) &&
+	test_env GIT_AUTHOR_NAME="Parsnip" GIT_AUTHOR_EMAIL="root@xxxxxxxxxxx" \
+		test_commit second-root &&
 	test_commit third-root &&
 	cat >script-from-scratch <<-\EOF &&
 	pick third-root
-- 
2.45.2





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