Usage: inv <bump>
           inv (help | -h | --help)
    
    Where <bump> is one of:
    
    - A valid semver version, e.g. 1.2.3
    - A semver component name:
      - major
      - premajor
      - minor
      - preminor
      - patch
      - prepatch
      - prerelease
    
    This message is displayed if the argument passed to inv is one of help, -h,
    --help, or if inv is run without arguments.
    
    The inv command will only run if your working copy is clean.
    
    Please see https://github.com/ivantage/in-version for more information.