(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'rewrite diff'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <'\n'> <'\n'> <'\tcat "$TEST_DIRECTORY"/../COPYING >test &&\n'> <'\tgit add test &&\n'> 
          <'\ttr \\\n'> <'\t  "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \\\n'> 
          <'\t  "nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM" \\\n'> <'\t  <"$TEST_DIRECTORY"/../COPYING >test &&\n'> <'\techo "to be deleted" >test2 &&\n'> 
          <'\tgit add test2\n'> <'\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'detect rewrite'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tactual=$(git diff-files -B --summary test) &&\n'> 
          <'\tverbose expr "$actual" : " rewrite test ([0-9]*%)$"\n'> <'\n'>
        )
      }
    )
    (SimpleCommand
      words: [{(cat)}]
      redirects: [
        (Redir op_id:Redir_Great fd:16777215 arg_word:{(expect)} spids:[51])
        (HereDoc
          op_id: Redir_DLess
          fd: 16777215
          body: 
            {
              (DQ ('diff --git a/test2 b/test2\n') ('deleted file mode 100644\n') 
                ('index 4202011..0000000\n') ('--- a/test2\n') ('+++ /dev/null\n') ('@@ -1 +0,0 @@\n') ('-to be deleted\n')
              )
            }
          do_expansion: True
          here_end: EOF
          was_filled: T
          spids: [54]
        )
      ]
    )
    (C {(test_expect_success)} {(SQ <'show deletion diff without -D'>)} 
      {
        (SQ <'\n'> <'\n'> <'\trm test2 &&\n'> <'\tgit diff -- test2 >actual &&\n'> 
          <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (SimpleCommand
      words: [{(cat)}]
      redirects: [
        (Redir op_id:Redir_Great fd:16777215 arg_word:{(expect)} spids:[82])
        (HereDoc
          op_id: Redir_DLess
          fd: 16777215
          body: 
            {
              (DQ ('diff --git a/test2 b/test2\n') ('deleted file mode 100644\n') 
                ('index 4202011..0000000\n')
              )
            }
          do_expansion: True
          here_end: EOF
          was_filled: T
          spids: [85]
        )
      ]
    )
    (C {(test_expect_success)} {(SQ <'suppress deletion diff with -D'>)} 
      {(SQ <'\n'> <'\n'> <'\tgit diff -D -- test2 >actual &&\n'> <'\ttest_cmp expect actual\n'>)}
    )
    (C {(test_expect_success)} {(SQ <'show deletion diff with -B'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit diff -B -- test >actual &&\n'> <'\tgrep "Linus Torvalds" actual\n'>)
      }
    )
    (C {(test_expect_success)} {(SQ <'suppress deletion diff with -B -D'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit diff -B -D -- test >actual &&\n'> 
          <'\tgrep -v "Linus Torvalds" actual\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'prepare a file that ends with an incomplete line'>)} 
      {
        (SQ <'\n'> <'\ttest_seq 1 99 >seq &&\n'> <'\tprintf 100 >>seq &&\n'> <'\tgit add seq &&\n'> 
          <'\tgit commit seq -m seq\n'>
        )
      }
    )
    (C {(test_expect_success)} 
      {(SQ <'rewrite the middle 90% of sequence file and terminate with newline'>)} 
      {
        (SQ <'\n'> <'\ttest_seq 1 5 >seq &&\n'> <'\ttest_seq 9331 9420 >>seq &&\n'> 
          <'\ttest_seq 96 100 >>seq\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'confirm that sequence file is considered a rewrite'>)} 
      {(SQ <'\n'> <'\tgit diff -B seq >res &&\n'> <'\tgrep "dissimilarity index" res\n'>)}
    )
    (C {(test_expect_success)} {(SQ <'no newline at eof is on its own line without -B'>)} 
      {
        (SQ <'\n'> <'\tgit diff seq >res &&\n'> <'\tgrep "^\\\\\\\\ " res &&\n'> 
          <'\t! grep "^..*\\\\\\\\ " res\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'no newline at eof is on its own line with -B'>)} 
      {
        (SQ <'\n'> <'\tgit diff -B seq >res &&\n'> <'\tgrep "^\\\\\\\\ " res &&\n'> 
          <'\t! grep "^..*\\\\\\\\ " res\n'>
        )
      }
    )
    (C {(test_done)})
  ]
)