```git-check-assertions
run test/git-check-assertions.bats
assert_success
git checkout HEAD~1 bin
run test/git-check-assertions.bats
assert_failure
```
```git-check-assertions
run test/git-check-assertions.bats
assert_success
git checkout HEAD~1 bin
run test/git-check-assertions.bats
assert_failure
assert_output --partial "not ok 2 should refuse to run when the index has changes"
assert_output --partial "not ok 3 should refuse to run when the working tree has changes"
assert_output --partial "not ok 4 should refuse to run when there are untracked files"
```
