fix: respect comments indentation in lists.

Closes #55

src/yamlfix/services.py

@@ -157,7 +157,11 @@ def _fix_top_level_lists(source_code: str) -> str:
             # Remove the indentation from the line
             fixed_source_lines.append(re.sub(rf"^{indent}(.*)", r"\1", line))
         elif is_top_level_list:
-            fixed_source_lines.append(re.sub(rf"^{indent}(.*)", r"\1", line))
+            # ruyaml doesn't change the indentation of comments
+            if re.match(r"\s*#.*", line):
+                fixed_source_lines.append(line)
+            else:
+                fixed_source_lines.append(re.sub(rf"^{indent}(.*)", r"\1", line))
         else:
             return source_code
 

tests/unit/test_services.py

@@ -123,6 +123,20 @@ def test_fix_code_respects_parent_lists_with_comments() -> None:
     assert result == source
 
 
+def test_fix_code_preserves_indented_comments() -> None:
+    """Don't remove indentation from comments in the code."""
+    source = dedent(
+        """\
+        ---
+        - program:
+          # Keep comments!"""
+    )
+
+    result = fix_code(source)
+
+    assert result == source
+
+
 def test_fix_code_removes_extra_apostrophes() -> None:
     """Remove not needed apostrophes."""
     source = dedent(