use flake .
#use flake .#default
NIX_ENFORCE_PURITY=1
NixDirEnvVersion="2.2.1"
if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
# - https://github.com/nix-community/nix-direnv
# source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-0000000000000000000000000000000000000000000="
  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "sha256-zelF0vLbEl5uaqrfIzbgNzJWGmLzCmYAkInj/LNxvKs="
fi
watch_file flake.lock
watch_file flake.nix
if [ -f .envrc-local ]; then
  source_env_if_exists .envrc-local || source .envrc-local
fi
PATH_add result/bin
#nix flake update && nix flake check --show-trace && nix flake show
# echo "
#
# - nix flake update && nix flake check --show-trace && nix flake show && nix develop .#devShell
#
# - nix build .#default --print-build-logs
# - nix build .#spine-dmd --print-build-logs
# - nix build .#spine-ldc --print-build-logs
# - nix build .#spine-gdc --print-build-logs
#
# - nix develop
#   - nix develop .#devShell --print-build-logs
#   - nix develop .#devShell-html --print-build-logs
#   - nix develop .#devShell-epub --print-build-logs
#   - nix develop .#devShell-latex-pdf --print-build-logs
#   - nix develop .#devShell-sqlite --print-build-logs
#   - nix develop .#devShell-i18n --print-build-logs
#
# nix run .#default --print-build-logs
#
# nix develop --build .#default --print-build-logs
#
# nix-shell '<nixpkgs>' -A nix --pure
# "