(command.CommandList
  children: [
    (command.ShAssignment
      left: <Id.Lit_VarLike 'test_description='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'test_description='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'test_description='> name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'diff.context configuration'>)}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <.>
      more_env: []
      words: [{<.>} {<'./test-lib.sh'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <setup>)}
        {
          (SQ <'\n'> <'\tcat >template <<-\\EOF &&\n'> <'\tfirstline\n'> <'\tb\n'> <'\tc\n'> <'\td\n'> 
            <'\te\n'> <'\tf\n'> <'\tpreline\n'> <'\tTARGET\n'> <'\tpostline\n'> <'\ti\n'> <'\tj\n'> <'\tk\n'> <'\tl\n'> <'\tm\n'> 
            <'\tn\n'> <'\tEOF\n'> <'\tsed "/TARGET/d" >x <template &&\n'> <'\tgit update-index --add x &&\n'> 
            <'\tgit commit -m initial &&\n'> <'\n'> <'\tsed "s/TARGET/ADDED/" >x <template &&\n'> <'\tgit update-index --add x &&\n'> 
            <'\tgit commit -m next &&\n'> <'\n'> <'\tsed "s/TARGET/MODIFIED/" >x <template\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'the default number of context lines is 3'>)}
        {
          (SQ <'\n'> <'\tgit diff >output &&\n'> <'\t! grep "^ d" output &&\n'> 
            <'\tgrep "^ e" output &&\n'> <'\tgrep "^ j" output &&\n'> <'\t! grep "^ k" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'diff.context honored by "log"'>)}
        {
          (SQ <'\n'> <'\tgit log -1 -p >output &&\n'> <'\t! grep firstline output &&\n'> 
            <'\tgit config diff.context 8 &&\n'> <'\tgit log -1 -p >output &&\n'> <'\tgrep "^ firstline" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'The -U option overrides diff.context'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context 8 &&\n'> <'\tgit log -U4 -1 >output &&\n'> 
            <'\t! grep "^ firstline" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'diff.context honored by "diff"'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context 8 &&\n'> <'\tgit diff >output &&\n'> 
            <'\tgrep "^ firstline" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'plumbing not affected'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context 8 &&\n'> <'\tgit diff-files -p >output &&\n'> 
            <'\t! grep "^ firstline" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'non-integer config parsing'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context no &&\n'> <'\ttest_must_fail git diff 2>output &&\n'> 
            <'\ttest_i18ngrep "bad numeric config value" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'negative integer config parsing'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context -1 &&\n'> <'\ttest_must_fail git diff 2>output &&\n'> 
            <'\ttest_i18ngrep "bad config variable" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'-U0 is valid, so is diff.context=0'>)}
        {
          (SQ <'\n'> <'\tgit config diff.context 0 &&\n'> <'\tgit diff >output &&\n'> 
            <'\tgrep "^-ADDED" output &&\n'> <'\tgrep "^+MODIFIED" output\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_done>
      more_env: []
      words: [{<test_done>}]
      redirects: []
      do_fork: T
    )
  ]
)