[PATCH v3 12/13] t0610: fix non-portable variable assignment

[Patrick Steinhardt <ps@pks.im>]

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Older versions of the Dash shell fail to parse `local var=val`
assignments in some cases when `val` is unquoted. Such failures can be
observed e.g. with Ubuntu 20.04 and older, which has a Dash version that
still has this bug.

Such an assignment has been introduced in t0610. The issue wasn't
detected for a while because this test used to only run when the
GIT_TEST_DEFAULT_REF_FORMAT environment variable was set to "reftable".
We have dropped that requirement now though, meaning that it runs
unconditionally, including on jobs which use such older versions of
Ubuntu.

We have worked around such issues in the past, e.g. in ebee5580ca
(parallel-checkout: avoid dash local bug in tests, 2021-06-06), by
quoting the `val` side. Apply the same fix to t0610.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 t/t0610-reftable-basics.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/t/t0610-reftable-basics.sh b/t/t0610-reftable-basics.sh
index fd0ddb96ae..b6e67724ce 100755
--- a/t/t0610-reftable-basics.sh
+++ b/t/t0610-reftable-basics.sh
@@ -78,9 +78,9 @@ test_expect_success 'init: reinitializing reftable with files backend fails' '
 '
 
 test_expect_perms () {
-	local perms="$1"
-	local file="$2"
-	local actual=$(ls -l "$file") &&
+	local perms="$1" &&
+	local file="$2" &&
+	local actual="$(ls -l "$file")" &&
 
 	case "$actual" in
 	$perms*)
-- 
2.44.GIT


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