(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'git-merge\n'> <'\n'> <'Do not overwrite changes.'>)}
          spids: [4]
        )
      ]
    )
    (C {<.>} {<./test-lib.sh>})
    (C {<test_expect_success>} {(SQ <setup>)} 
      {
        (SQ <'\n'> <'\ttest_commit c0 c0.c &&\n'> <'\ttest_commit c1 c1.c &&\n'> 
          <'\ttest_commit c1a c1.c "c1 a" &&\n'> <'\tgit reset --hard c0 &&\n'> <'\ttest_commit c2 c2.c &&\n'> <'\tgit reset --hard c0 &&\n'> 
          <'\tmkdir sub &&\n'> <'\techo "sub/f" > sub/f &&\n'> <'\tmkdir sub2 &&\n'> <'\techo "sub2/f" > sub2/f &&\n'> 
          <'\tgit add sub/f sub2/f &&\n'> <'\tgit commit -m sub &&\n'> <'\tgit tag sub &&\n'> <'\techo "VERY IMPORTANT CHANGES" > important\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite untracked file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tcp important c2.c &&\n'> 
          <'\ttest_must_fail git merge c2 &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\ttest_cmp important c2.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will overwrite tracked file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tcp important c2.c &&\n'> <'\tgit add c2.c &&\n'> 
          <'\tgit commit -m important &&\n'> <'\tgit checkout c2\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite new file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tcp important c2.c &&\n'> <'\tgit add c2.c &&\n'> 
          <'\ttest_must_fail git merge c2 &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\ttest_cmp important c2.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite staged changes'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tcp important c2.c &&\n'> <'\tgit add c2.c &&\n'> 
          <'\trm c2.c &&\n'> <'\ttest_must_fail git merge c2 &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> 
          <'\tgit checkout c2.c &&\n'> <'\ttest_cmp important c2.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite removed file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tgit rm c1.c &&\n'> 
          <'\tgit commit -m "rm c1.c" &&\n'> <'\tcp important c1.c &&\n'> <'\ttest_must_fail git merge c1a &&\n'> <'\ttest_cmp important c1.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite re-added file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tgit rm c1.c &&\n'> 
          <'\tgit commit -m "rm c1.c" &&\n'> <'\tcp important c1.c &&\n'> <'\tgit add c1.c &&\n'> <'\ttest_must_fail git merge c1a &&\n'> 
          <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\ttest_cmp important c1.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite removed file with staged changes'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tgit rm c1.c &&\n'> 
          <'\tgit commit -m "rm c1.c" &&\n'> <'\tcp important c1.c &&\n'> <'\tgit add c1.c &&\n'> <'\trm c1.c &&\n'> 
          <'\ttest_must_fail git merge c1a &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\tgit checkout c1.c &&\n'> 
          <'\ttest_cmp important c1.c\n'>
        )
      }
    )
    (C {<test_expect_failure>} {(SQ <'will not overwrite unstaged changes in renamed file'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c1 &&\n'> <'\tgit mv c1.c other.c &&\n'> 
          <'\tgit commit -m rename &&\n'> <'\tcp important other.c &&\n'> <'\tgit merge c1a &&\n'> <'\ttest_cmp important other.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite untracked subtree'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c0 &&\n'> <'\trm -rf sub &&\n'> <'\tmkdir -p sub/f &&\n'> 
          <'\tcp important sub/f/important &&\n'> <'\ttest_must_fail git merge sub &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> 
          <'\ttest_cmp important sub/f/important\n'>
        )
      }
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir.Redir op:<Id.Redir_Great '>'> fd:-1 arg_word:{<expect>})
        (redir.HereDoc
          op: <Id.Redir_DLess '<<'>
          fd: -1
          here_begin: {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\E'>) <OF>}
          here_end_span_id: 216
          stdin_parts: [
            <'error: The following untracked working tree files would be overwritten by merge:\n'>
            <'\tsub\n'>
            <'\tsub2\n'>
            <'Please move or remove them before you merge.\n'>
            <'Aborting\n'>
          ]
        )
      ]
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite untracked file in leading path'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c0 &&\n'> <'\trm -rf sub &&\n'> <'\tcp important sub &&\n'> 
          <'\tcp important sub2 &&\n'> <'\ttest_must_fail git merge sub 2>out &&\n'> <'\ttest_i18ncmp out expect &&\n'> 
          <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\ttest_cmp important sub &&\n'> <'\ttest_cmp important sub2 &&\n'> <'\trm -f sub sub2\n'>
        )
      }
    )
    (C {<test_expect_success>} {<SYMLINKS>} 
      {(SQ <'will not overwrite untracked symlink in leading path'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c0 &&\n'> <'\trm -rf sub &&\n'> <'\tmkdir sub2 &&\n'> 
          <'\tln -s sub2 sub &&\n'> <'\ttest_must_fail git merge sub &&\n'> <'\ttest_path_is_missing .git/MERGE_HEAD\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not be confused by symlink in leading path'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c0 &&\n'> <'\trm -rf sub &&\n'> 
          <'\ttest_ln_s_add sub2 sub &&\n'> <'\tgit commit -m ln &&\n'> <'\tgit checkout sub\n'>
        )
      }
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir.Redir op:<Id.Redir_Great '>'> fd:-1 arg_word:{<expect>})
        (redir.HereDoc
          op: <Id.Redir_DLess '<<'>
          fd: -1
          here_begin: {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\E'>) <OF>}
          here_end_span_id: 285
          stdin_parts: [
            <"error: Untracked working tree file 'c0.c' would be overwritten by merge.\n">
            <'fatal: read-tree failed\n'>
          ]
        )
      ]
    )
    (C {<test_expect_success>} {(SQ <'will not overwrite untracked file on unborn branch'>)} 
      {
        (SQ <'\n'> <'\tgit reset --hard c0 &&\n'> <'\tgit rm -fr . &&\n'> 
          <'\tgit checkout --orphan new &&\n'> <'\tcp important c0.c &&\n'> <'\ttest_must_fail git merge c0 2>out &&\n'> 
          <'\ttest_i18ncmp out expect\n'>
        )
      }
    )
    (C {<test_expect_success>} 
      {(SQ <'will not overwrite untracked file on unborn branch .git/MERGE_HEAD sanity etc.'>)} 
      {
        (SQ <'\n'> <'\ttest_when_finished "rm c0.c" &&\n'> 
          <'\ttest_path_is_missing .git/MERGE_HEAD &&\n'> <'\ttest_cmp important c0.c\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'failed merge leaves unborn branch in the womb'>)} 
      {(SQ <'\n'> <'\ttest_must_fail git rev-parse --verify HEAD\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'set up unborn branch and content'>)} 
      {
        (SQ <'\n'> <'\tgit symbolic-ref HEAD refs/heads/unborn &&\n'> <'\trm -f .git/index &&\n'> 
          <'\techo foo > tracked-file &&\n'> <'\tgit add tracked-file &&\n'> <'\techo bar > untracked-file\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'will not clobber WT/index when merging into unborn'>)} 
      {
        (SQ <'\n'> <'\tgit merge master &&\n'> <'\tgrep foo tracked-file &&\n'> 
          <'\tgit show :tracked-file >expect &&\n'> <'\tgrep foo expect &&\n'> <'\tgrep bar untracked-file\n'>
        )
      }
    )
    (C {<test_done>})
  ]
)