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fall back to full diff on disparate histories

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This commit is contained in:
Anthony Sottile 2021-08-09 20:13:15 -04:00
parent abc1c5d9ba
commit 0fe959df60
2 changed files with 27 additions and 6 deletions
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18
tests/git_test.py
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@ -139,6 +139,24 @@ def test_get_changed_files(in_git_dir):
assert files == []
def test_get_changed_files_disparate_histories(in_git_dir):
"""in modern versions of git, `...` does not fall back to full diff"""
git_commit()
in_git_dir.join('a.txt').ensure()
cmd_output('git', 'add', '.')
git_commit()
cmd_output('git', 'branch', '-m', 'branch1')
cmd_output('git', 'checkout', '--orphan', 'branch2')
cmd_output('git', 'rm', '-rf', '.')
in_git_dir.join('a.txt').ensure()
in_git_dir.join('b.txt').ensure()
cmd_output('git', 'add', '.')
git_commit()
assert git.get_changed_files('branch1', 'branch2') == ['b.txt']
@pytest.mark.parametrize(
('s', 'expected'),
(