ghciwatch

Getting started

To start a ghciwatch session, you’ll need a command to start a GHCi session (like cabal repl) and a set of paths and directories to watch for changes. For example:

ghciwatch --command "cabal repl lib:test-dev" \
          --watch src --watch test

Check out the examples and command-line arguments for more information.

Ghciwatch can run test suites after reloads, evaluate code in comments, log compiler errors to a file, run startup hooks like hpack to generate .cabal files, and more!