Idempotency Failure: Indentation Lost When Method-Call Arguments Start at Column 0

[nicholasdower]

Originally reported in #915

Commit: 95210d7

Input

→ View on rubyfmt.run

def test
  @x.foo(
"b") ==

"d"
end

Output

→ View on rubyfmt.run

def test
  
@x.foo(
    "b"
  ) == "d"
end

Second Output

def test

  @x.foo(
    "b"
  ) == "d"
end

Expected behavior

The output should be stable.

Found in: xcpretty 0.4.1 (spec/xcpretty/formatters/formatter_spec.rb)