(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'combined diff show only paths that are different to all parents'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (FuncDef
      name: diffc_verify
      body: 
        (BraceGroup
          children: [
            (AndOr
              ops: [Op_DAmp]
              children: [
                (SimpleCommand
                  words: [
                    {(git)}
                    {(diff)}
                    {(-c)}
                    {(--name-only)}
                    {(HEAD)}
                    {(HEAD) (Lit_Other '^')}
                    {(HEAD) (Lit_Other '^') (2)}
                  ]
                  redirects: [
                    (Redir
                      op_id: Redir_Great
                      fd: 16777215
                      arg_word: {(diffc.actual)}
                      spids: [46]
                    )
                  ]
                )
                (C {(test_cmp)} {(diffc.expect)} {(diffc.actual)})
              ]
            )
          ]
          spids: [26]
        )
      spids: [21 25]
    )
    (C {(test_expect_success)} {(SQ <'trivial merge - combine-diff empty'>)} 
      {
        (SQ <'\n'> <'\tfor i in $(test_seq 1 9)\n'> <'\tdo\n'> <'\t\techo $i >$i.txt\t&&\n'> 
          <'\t\tgit add $i.txt\n'> <'\tdone &&\n'> <'\tgit commit -m "init" &&\n'> <'\tgit checkout -b side &&\n'> 
          <'\tfor i in $(test_seq 2 9)\n'> <'\tdo\n'> <'\t\techo $i/2 >>$i.txt\n'> <'\tdone &&\n'> <'\tgit commit -a -m "side 2-9" &&\n'> 
          <'\tgit checkout master &&\n'> <'\techo 1/2 >1.txt &&\n'> <'\tgit commit -a -m "master 1" &&\n'> <'\tgit merge side &&\n'> 
          <'\t>diffc.expect &&\n'> <'\tdiffc_verify\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'only one trully conflicting path'>)} 
      {
        (SQ <'\n'> <'\tgit checkout side &&\n'> <'\tfor i in $(test_seq 2 9)\n'> <'\tdo\n'> 
          <'\t\techo $i/3 >>$i.txt\n'> <'\tdone &&\n'> <'\techo "4side" >>4.txt &&\n'> <'\tgit commit -a -m "side 2-9 +4" &&\n'> 
          <'\tgit checkout master &&\n'> <'\tfor i in $(test_seq 1 9)\n'> <'\tdo\n'> <'\t\techo $i/3 >>$i.txt\n'> <'\tdone &&\n'> 
          <'\techo "4master" >>4.txt &&\n'> <'\tgit commit -a -m "master 1-9 +4" &&\n'> <'\ttest_must_fail git merge side &&\n'> 
          <'\tcat <<-\\EOF >4.txt &&\n'> <'\t4\n'> <'\t4/2\n'> <'\t4/3\n'> <'\t4master\n'> <'\t4side\n'> <'\tEOF\n'> <'\tgit add 4.txt &&\n'> 
          <'\tgit commit -m "merge side (2)" &&\n'> <'\techo 4.txt >diffc.expect &&\n'> <'\tdiffc_verify\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'merge introduces new file'>)} 
      {
        (SQ <'\n'> <'\tgit checkout side &&\n'> <'\tfor i in $(test_seq 5 9)\n'> <'\tdo\n'> 
          <'\t\techo $i/4 >>$i.txt\n'> <'\tdone &&\n'> <'\tgit commit -a -m "side 5-9" &&\n'> <'\tgit checkout master &&\n'> 
          <'\tfor i in $(test_seq 1 3)\n'> <'\tdo\n'> <'\t\techo $i/4 >>$i.txt\n'> <'\tdone &&\n'> <'\tgit commit -a -m "master 1-3 +4hello" &&\n'> 
          <'\tgit merge side &&\n'> <'\techo "Hello World" >4hello.txt &&\n'> <'\tgit add 4hello.txt &&\n'> <'\tgit commit --amend &&\n'> 
          <'\techo 4hello.txt >diffc.expect &&\n'> <'\tdiffc_verify\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'merge removed a file'>)} 
      {
        (SQ <'\n'> <'\tgit checkout side &&\n'> <'\tfor i in $(test_seq 5 9)\n'> <'\tdo\n'> 
          <'\t\techo $i/5 >>$i.txt\n'> <'\tdone &&\n'> <'\tgit commit -a -m "side 5-9" &&\n'> <'\tgit checkout master &&\n'> 
          <'\tfor i in $(test_seq 1 3)\n'> <'\tdo\n'> <'\t\techo $i/4 >>$i.txt\n'> <'\tdone &&\n'> <'\tgit commit -a -m "master 1-3" &&\n'> 
          <'\tgit merge side &&\n'> <'\tgit rm 4.txt &&\n'> <'\tgit commit --amend &&\n'> <'\techo 4.txt >diffc.expect &&\n'> 
          <'\tdiffc_verify\n'>
        )
      }
    )
    (C {(test_done)})
  ]
)