(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'git update-index --assume-unchanged test.\n'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <': >file &&\n'> <'\t git add file &&\n'> <'\t git commit -m initial &&\n'> 
          <'\t git branch other &&\n'> <'\t echo upstream >file &&\n'> <'\t git add file &&\n'> <'\t git commit -m upstream'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'do not switch branches with dirty file'>)} 
      {
        (SQ <'git reset --hard &&\n'> <'\t git checkout other &&\n'> <'\t echo dirt >file &&\n'> 
          <'\t git update-index --assume-unchanged file &&\n'> <'\t test_must_fail git checkout master'>
        )
      }
    )
    (C {(test_done)})
  ]
)