id: "unison"
aliases:
  - "ucm"
name: "Unison"

install:
  prepare:
    apt:
      - haskell-stack
  manual: |
    mkdir -p "${pkg}/opt/unison/skel"
    install -d "${pkg}/usr/local/bin"

    git clone https://github.com/unisonweb/unison.git
    pushd unison
    stack build
    cp "$(stack exec which unison)" "${pkg}/usr/local/bin/"
    popd

    pushd "${pkg}/opt/unison/skel"
    "${pkg}/usr/local/bin/unison" -codebase . init
    LESS="+q" "${pkg}/usr/local/bin/unison" -codebase . <<< 'pull https://github.com/unisonweb/base:.trunk .base'
    popd

setup: |
  shopt -s dotglob
  cp -R /opt/unison/skel/* ./

repl: |
  unison -codebase .
input: |
  DELAY: 3
  find : [a] -> [a]
output: |
  base.List.reverse

main: "main.u"
template: |
  use io

  main : '{IO} ()
  main = 'let
    printLine "Hello, world!"

run: |
  echo "Type 'run main' to run the code."
  unison -codebase .
helloInput: |
  DELAY: 3
  run main

scope:
  code: |
    x = 123 * 234
  input: |
    DELAY: 3
    add x
    DELAY: 3
    display x