(command.CommandList children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'test_description='> name:test_description) op: assign_op.Equal rhs: {(SQ <'test read-tree into a fresh index file'>)} spids: [4] ) ] redirects: [] ) (C {<.>} {<'./test-lib.sh'>}) (C {<test_expect_success>} {<setup>} {(SQ <'\n'> <'\techo one >a &&\n'> <'\tgit add a &&\n'> <'\tgit commit -m initial\n'>)} ) (C {<test_expect_success>} {(SQ <'non-existent index file'>)} {(SQ <'\n'> <'\trm -f new-index &&\n'> <'\tGIT_INDEX_FILE=new-index git read-tree master\n'>)} ) (C {<test_expect_success>} {(SQ <'empty index file'>)} { (SQ <'\n'> <'\trm -f new-index &&\n'> <'\t> new-index &&\n'> <'\tGIT_INDEX_FILE=new-index git read-tree master\n'> ) } ) (C {<test_done>}) ] )