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submodule update: add regression test with old style setups

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As f178c13fda (Revert "Merge branch 'sb/submodule-core-worktree'",
2018-09-07) was produced shortly before a release, nobody asked for
a regression test to be included. Add a regression test that makes sure
that the invocation of `git submodule update` on old setups doesn't
produce errors as pointed out in f178c13fda.

The place to add such a regression test may look odd in t7412, but
that is the best place as there we setup old style submodule setups
explicitly.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2018-12-14 15:59:42 -08:00 committed by Junio C Hamano
parent b21ebb671b
commit 98bf667489
1 changed files with 6 additions and 1 deletions
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7
t/t7412-submodule-absorbgitdirs.sh
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@ -75,7 +75,12 @@ test_expect_success 're-setup nested submodule' '
GIT_WORK_TREE=../../../nested git -C sub1/.git/modules/nested config \
core.worktree "../../../nested" &&
# make sure this re-setup is correct
git status --ignore-submodules=none
git status --ignore-submodules=none &&
# also make sure this old setup does not regress
git submodule update --init --recursive >out 2>err &&
test_must_be_empty out &&
test_must_be_empty err
'
test_expect_success 'absorb the git dir in a nested submodule' '