"
commit_file sm1 &&
-cd sm1 &&
-git reset --hard HEAD~2 >/dev/null &&
-head3=$(git rev-parse --verify HEAD | cut -c1-7) &&
-cd ..
+head3=$(
+ cd sm1 &&
+ git reset --hard HEAD~2 >/dev/null &&
+ git rev-parse --verify HEAD | cut -c1-7
+)
test_expect_success 'modified submodule(backward)' "
git diff-index -p --submodule=log HEAD >actual &&