fetch: pass --no-write-fetch-head to subprocesses

It seems a user would expect this option would work regardless
of whether it's fetching from a single remote, many remotes,
or recursing into submodules.

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/t/t5526-fetch-submodules.sh b/t/t5526-fetch-submodules.sh
index b9546ef8e5..dcdbe26a08 100755
--- a/t/t5526-fetch-submodules.sh
+++ b/t/t5526-fetch-submodules.sh
@@ -167,6 +167,19 @@ test_expect_success "fetch --recurse-submodules recurses into submodules" '
 	verify_fetch_result actual.err
 '
 
+test_expect_success "fetch --recurse-submodules honors --no-write-fetch-head" '
+	(
+		cd downstream &&
+		git submodule foreach --recursive \
+		sh -c "cd \"\$(git rev-parse --git-dir)\" && rm -f FETCH_HEAD" &&
+
+		git fetch --recurse-submodules --no-write-fetch-head &&
+
+		git submodule foreach --recursive \
+		sh -c "cd \"\$(git rev-parse --git-dir)\" && ! test -f FETCH_HEAD"
+	)
+'
+
 test_expect_success "submodule.recurse option triggers recursive fetch" '
 	add_submodule_commits &&
 	(