t3206: prepare for changing protocol.file.allow

Explicitly cloning over the "file://" protocol in t3206 in preparation
for merging a security release which will change the default value of
this configuration to be "user".

Signed-off-by: Taylor Blau <me@ttaylorr.com>

diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
index d12e4e4cc6c64073fcef4e71ba6a9c52ce8af1dc..03d4df2359e01323eebcd1ac6a90632682296b20 100755 (executable)
--- a/t/t3206-range-diff.sh
+++ b/t/t3206-range-diff.sh
@@ -782,7 +782,7 @@ test_expect_success 'submodule changes are shown irrespective of diff.submodule'
        sub_oid3=$(git -C sub-repo rev-parse HEAD) &&
 
        git checkout -b main-sub topic &&
-       git submodule add ./sub-repo sub &&
+       git -c protocol.file.allow=always submodule add ./sub-repo sub &&
        git -C sub checkout --detach sub-first &&
        git commit -m "add sub" sub &&
        sup_oid1=$(git rev-parse --short HEAD) &&