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These are commands that will likely be useful during development.

General: ./scripts/test.sh compiles and builds the Haskell code and runs all tests. Recommended that you run this before pushing any code to a branch that others might be working on.

Disclaimer If you have trouble getting started, please get in touch via Slack so we can help. If you have any fixes to the process, please send us a PR!

Running Unison

To get cracking with Unison:

  • Install stack.
  • Build the project with stack build. This builds all executables.
  • After building, stack exec unison will fire up the codebase editor, create a codebase in the current directory, and watch for .u file changes. If you want to run it in a different directory, just add unison to your PATH, after finding it with find .stack-work -name unison -type f. (For me, this finds two, they both work, but have different contents. ¯\_(ツ)_/¯ )
  • stack exec tests runs the tests
  • stack exec transcripts runs all the integration tests, found in unison-src/transcripts. You can add more tests to this directory.

What if you want a profiled build?

Do:

stack build --executable-profiling --library-profiling --ghc-options="-fprof-auto -rtsopts" unison-parser-typechecker

Again you can leave off the flag. To run an executable with profiling enabled, do:

stack exec -- <executable-name> +RTS -p

That will generate a <executable-name>.prof plain text file with profiling data. More info on profiling.