cd /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/
OR
git clone git@github.com:Homebrew/homebrew-core.git
git log master -- Formula/flyway.rb
brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/793abfa325531415184e1549836c982b39e89299/Library/Formula/flyway.rb
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
timesheet_jobs = self.fields['timesheet_jobs']
timesheet_jobs.choices = list(timesheet_jobs.choices)
timesheet_jobs.choices.append(tuple(('create_new_job', 'Create New Job')))