Feature request: --include-paths

[devtooligan]

Describe the desired feature

Opposite of --filter-paths. Slither will only be run on paths matching the regex values of this --include-paths clarg. Or maybe it's "only-include-paths" for clarity. Maybe it should throw if user selects both include-paths and filter-paths as it doesn't seem like it would be needed and it can be difficult to try and incorporate both.

This is useful, for example on an audit of a large repo but the scope is only on certain files.

As a hack, I just altered the current behavior of --filter-paths and it worked as I had hoped:

[0xxfu]

+1

[dokzai]

Hello! I am interested in helping with this issue if help is wanted.

[bohendo]

As a workaround in the meantime, we can use the regex ^(?!.*<target>) to filter out anything that doesn't start with our target path

eg --filter-paths='^(?!.*the/only/path/i/care/about),tests' will filter out everything that is not inside the/only/path/i/care/about and also filter out the/only/path/i/care/about/tests