(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'git checkout --orphan\n'> <'\n'> <'Main Tests for --orphan functionality.'>)}
          spids: [13]
        )
      ]
      spids: [13]
    )
    (C {(.)} {(./test-lib.sh)})
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:TEST_FILE) op:Equal rhs:{(foo)} spids:[26])]
      spids: [26]
    )
    (C {(test_expect_success)} {(SQ <Setup>)} 
      {
        (SQ <'\n'> <'\techo "Initial" >"$TEST_FILE" &&\n'> <'\tgit add "$TEST_FILE" &&\n'> 
          <'\tgit commit -m "First Commit" &&\n'> <'\ttest_tick &&\n'> <'\techo "State 1" >>"$TEST_FILE" &&\n'> <'\tgit add "$TEST_FILE" &&\n'> 
          <'\ttest_tick &&\n'> <'\tgit commit -m "Second Commit"\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan creates a new orphan branch from HEAD'>)} 
      {
        (SQ <'\n'> <'\tgit checkout --orphan alpha &&\n'> 
          <'\ttest_must_fail git rev-parse --verify HEAD &&\n'> <'\ttest "refs/heads/alpha" = "$(git symbolic-ref HEAD)" &&\n'> <'\ttest_tick &&\n'> 
          <'\tgit commit -m "Third Commit" &&\n'> <'\ttest_must_fail git rev-parse --verify HEAD^ &&\n'> <'\tgit diff-tree --quiet master alpha\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan creates a new orphan branch from <start_point>'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit checkout --orphan beta master^ &&\n'> 
          <'\ttest_must_fail git rev-parse --verify HEAD &&\n'> <'\ttest "refs/heads/beta" = "$(git symbolic-ref HEAD)" &&\n'> <'\ttest_tick &&\n'> 
          <'\tgit commit -m "Fourth Commit" &&\n'> <'\ttest_must_fail git rev-parse --verify HEAD^ &&\n'> <'\tgit diff-tree --quiet master^ beta\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan must be rejected with -b'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> 
          <'\ttest_must_fail git checkout --orphan new -b newer &&\n'> <'\ttest refs/heads/master = "$(git symbolic-ref HEAD)"\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan must be rejected with -t'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> 
          <'\ttest_must_fail git checkout --orphan new -t master &&\n'> <'\ttest refs/heads/master = "$(git symbolic-ref HEAD)"\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan ignores branch.autosetupmerge'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit config branch.autosetupmerge always &&\n'> 
          <'\tgit checkout --orphan gamma &&\n'> <'\ttest -z "$(git config branch.gamma.merge)" &&\n'> 
          <'\ttest refs/heads/gamma = "$(git symbolic-ref HEAD)" &&\n'> <'\ttest_must_fail git rev-parse --verify HEAD^\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan makes reflog by default'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit config --unset core.logAllRefUpdates &&\n'> 
          <'\tgit checkout --orphan delta &&\n'> <'\ttest_must_fail git rev-parse --verify delta@{0} &&\n'> <'\tgit commit -m Delta &&\n'> 
          <'\tgit rev-parse --verify delta@{0}\n'>
        )
      }
    )
    (C {(test_expect_success)} 
      {(SQ <'--orphan does not make reflog when core.logAllRefUpdates = false'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit config core.logAllRefUpdates false &&\n'> 
          <'\tgit checkout --orphan epsilon &&\n'> <'\ttest_must_fail git rev-parse --verify epsilon@{0} &&\n'> <'\tgit commit -m Epsilon &&\n'> 
          <'\ttest_must_fail git rev-parse --verify epsilon@{0}\n'>
        )
      }
    )
    (C {(test_expect_success)} 
      {(SQ <'--orphan with -l makes reflog when core.logAllRefUpdates = false'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit checkout -l --orphan zeta &&\n'> 
          <'\ttest_must_fail git rev-parse --verify zeta@{0} &&\n'> <'\tgit commit -m Zeta &&\n'> <'\tgit rev-parse --verify zeta@{0}\n'>
        )
      }
    )
    (C {(test_expect_success)} 
      {
        (SQ 
          <
'giving up --orphan not committed when -l and core.logAllRefUpdates = false deletes reflog'
          >
        )
      } 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit checkout -l --orphan eta &&\n'> 
          <'\ttest_must_fail git rev-parse --verify eta@{0} &&\n'> <'\tgit checkout master &&\n'> <'\ttest_must_fail git rev-parse --verify eta@{0}\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan is rejected with an existing name'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> 
          <'\ttest_must_fail git checkout --orphan master &&\n'> <'\ttest refs/heads/master = "$(git symbolic-ref HEAD)"\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'--orphan refuses to switch if a merge is needed'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit reset --hard &&\n'> 
          <'\techo local >>"$TEST_FILE" &&\n'> <'\tcat "$TEST_FILE" >"$TEST_FILE.saved" &&\n'> 
          <'\ttest_must_fail git checkout --orphan new master^ &&\n'> <'\ttest refs/heads/master = "$(git symbolic-ref HEAD)" &&\n'> 
          <'\ttest_cmp "$TEST_FILE" "$TEST_FILE.saved" &&\n'> <'\tgit diff-index --quiet --cached HEAD &&\n'> <'\tgit reset --hard\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'cannot --detach on an unborn branch'>)} 
      {
        (SQ <'\n'> <'\tgit checkout master &&\n'> <'\tgit checkout --orphan new &&\n'> 
          <'\ttest_must_fail git checkout --detach\n'>
        )
      }
    )
    (C {(test_done)})
  ]
)