test_cmp expect.2 actual.2
'
+test_expect_success 're-setup nested submodule' '
+ # un-absorb the direct submodule, to test if the nested submodule
+ # is still correct (needs a rewrite of the gitfile only)
+ rm -rf sub1/.git &&
+ mv .git/modules/sub1 sub1/.git &&
+ GIT_WORK_TREE=. git -C sub1 config --unset core.worktree &&
+ # fixup the nested submodule
+ echo "gitdir: ../.git/modules/nested" >sub1/nested/.git &&
+ 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
+'
+
+test_expect_success 'absorb the git dir in a nested submodule' '
+ git status >expect.1 &&
+ git -C sub1/nested rev-parse HEAD >expect.2 &&
+ git submodule absorbgitdirs &&
+ test -f sub1/.git &&
+ test -f sub1/nested/.git &&
+ test -d .git/modules/sub1/modules/nested &&
+ git status >actual.1 &&
+ git -C sub1/nested rev-parse HEAD >actual.2 &&
+ test_cmp expect.1 actual.1 &&
+ test_cmp expect.2 actual.2
+'
+
test_expect_success 'setup a gitlink with missing .gitmodules entry' '
git init sub2 &&
test_commit -C sub2 first &&