bisect: refactor sha1_array into a generic sha1 list

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index fa9d23aa31302f53cc1c39473492cf545ca5ae87..bf7c788735d6e3e0ecf56e7a2f82826701ee1789 100755 (executable)
--- 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