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-rwxr-xr-xt/t7406-submodule-update.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index fa9d23aa31..bf7c788735 100755
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -74,6 +74,26 @@ test_expect_success 'submodule update detaching the HEAD ' '
)
'
+apos="'";
+test_expect_success 'submodule update does not fetch already present commits' '
+ (cd submodule &&
+ echo line3 >> file &&
+ git add file &&
+ test_tick &&
+ git commit -m "upstream line3"
+ ) &&
+ (cd super/submodule &&
+ head=$(git rev-parse --verify HEAD) &&
+ echo "Submodule path ${apos}submodule$apos: checked out $apos$head$apos" > ../../expected &&
+ git reset --hard HEAD~1
+ ) &&
+ (cd super &&
+ git submodule update > ../actual 2> ../actual.err
+ ) &&
+ test_cmp expected actual &&
+ ! test -s actual.err
+'
+
test_expect_success 'submodule update --rebase staying on master' '
(cd super/submodule &&
git checkout master