ghcid

#!/usr/bin/env -S nix develop -L -c zsh

set -e
set -u
set -o pipefail

readonly target=${1:-lib:quasar}
readonly executable=${2:-}

if [[ -n $executable ]]
then
  run_executable="cabal run --disable-optimisation --ghc-option -fdiagnostics-color=always $executable"
else
  run_executable=true
fi

print -P %F{yellow}Cleaning repository%f
cabal clean

(git ls-files 'cabal.project' '*/*.cabal' 'flake.*' '*/test/*' '*.hs-boot') | \
  entr -r \
    nix develop -L -c \
      ghcid \
        --warnings \
        "--command=cabal repl --disable-optimisation --ghc-option -fdiagnostics-color=always $target" \
        "--test=:! \
          cabal test --disable-optimisation --test-show-details=direct --ghc-option -fdiagnostics-color=always && \
          $run_executable && \
          zsh -c 'print -P %F{green}Build and tests passed%f' \
        "