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Force LF line endings when writing files #59

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Merged
gaborbernat merged 1 commit into from
Jan 30, 2026
Merged

Force LF line endings when writing files #59

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2 changes: 1 addition & 1 deletion src/toml_fmt_common/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -264,7 +264,7 @@ def _handle_one(info: TOMLFormatter[T], config: _Config[T]) -> bool:
return changed

if before != formatted and not config.check:
config.toml_filename.write_text(formatted, encoding="utf-8")
config.toml_filename.write_text(formatted, encoding="utf-8", newline="\n")
if config.no_print_diff:
return changed
try:
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11 changes: 11 additions & 0 deletions tests/test_app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -279,3 +279,14 @@ def test_dumb_path_no_write(capsys: pytest.CaptureFixture[str], tmp_path: Path)
out, err = capsys.readouterr()
assert "\ntoml-fmt-common: error: argument inputs: cannot write path\n" in err
assert not out


def test_writes_lf_line_endings(tmp_path: Path) -> None:
dumb = tmp_path / "dumb.toml"
dumb.write_text("")

run(Dumb(), ["E", str(dumb)])

raw = dumb.read_bytes()
assert b"\r\n" not in raw
assert b"\n" in raw