[BUG] When comparing with other branches, output file is blank

[SantiLl]

Before we start...:

• [x] I checked the documentation and found no answer
• [x] I checked to make sure that this issue has not already been filed
• [x] I'm reporting the issue to the correct repository (for multi-repository projects)

Version, Branch, or Commit:

0.5.2

Expected behavior:

Expected to compare skunk score between branches, and output the result to a desired file.

Actual behavior:

Skunk analysis runs well on shell with desired results, but the output file is blank.

Steps to reproduce:

From a feature branch:

skunk -b main -o skunk.txt

Context and environment:

• Operating System: Mac OS
• Operating System version: 12.2.1 (21D62)
• Ruby version: 2.7.3p183

I will abide by the [code of conduct] (https://github.com/fastruby/skunk/blob/master/CODE_OF_CONDUCT.md)

[mateusdeap]

@SantiLl This is actually a feature we don't have, if I'm understanding you right, rather than a bug. For example, do you feel that if #54 were solved, your problem would be solved?