Always exit with error when custom maskfile is not found #25
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Describe the solution
In #23, I allowed mask to not exit with an error when there's a missing maskfile. That is ideal behavior when you just want to run
mask --version
ormask --help
in any directory, no matter if it has a maskfile.md or not. However, when you go to the extent of specifyingmask --maskfile /path/to/some/nonexistent_maskfile.md
, this should have caused mask to exit with an error message no matter what.This PR fixes that behavior and properly exits mask when
--maskfile
points to an actual missing file.How to test
Types of changes
Breaking change because it affects which status code mask exits with.