You’re looking for taskfile.dev. You can specify that a particular task has zero or more files as sources and generates zero or more files as outputs. You can

You’re looking for taskfile.dev. You can specify that a particular task has zero or more files as sources and generates zero or more files as outputs. You can also use the ‘watch’ flag to continuously monitor the inputs and regenerate the outputs. If the content hashes aren’t good enough, you can also specify a command that determines whether or not a task needs to be re-run.