generate

#!/usr/bin/env bash

# Usage: generate MODELS

# Run nix-build generate and copy the output to the local working tree.

set -euo pipefail

function join_by() {
  local d="${1-}" f="${2-}"

  if shift 2; then
    printf %s "$f" "${@/#/$d}"
  fi
}

cd "$(dirname "${BASH_SOURCE[0]}")/.."

models=""

if [ ! $# -eq 0 ]; then
  models="\"$(join_by '" "' "$@")\""

  echo "Building $models ..."
else
  echo "Building all models ..."
fi

result="$(nix-build generate.nix --no-out-link --arg models "[$models]")"

for input in "$result"/amazonka-*; do
  output="$(basename "$input")"

  echo "Removing $output/gen"
  rm -rf "$output/gen"

  echo "Copying $input to $output ..."
  cp -r "$input" .
done

echo "Setting user+group permissions ..."

chmod -R ug+w amazonka-*

echo "Done."