shell.nix

{ pkgs ? import <nixpkgs> {} }:

with pkgs;

mkShell {
  buildInputs = [
    dart-sass
    minify
  ];
  shellHook = ''
    if ! command -v emacs >/dev/null; then
      echo 'Emacs not found in $PATH' >&2
      exit 1
    fi

    # Set up local Doom install, if one isn't already present
    if ! command -v doom >/dev/null; then
      git clone https://github.org/doomemacs/core ./.doom.d
      ./.doom.d/bin/doom install .
    fi
    if [[ -x ./.doom.d/bin/doom ]]; then
      export PATH="$PWD/.doom.d/bin:$PATH"
    fi

    export ROOT="$PWD"

    # TODO: Use make instead
    deps() {
      pushd "$ROOT" >/dev/null
      for name in doomemacs.org core modules modules-contrib; do
        if [[ -d "external/$name" ]]; then
          git -C external/$name pull --rebase
        else
          git clone --depth 1 https://github.com/doomemacs/$name external/
        fi
      done
      popd >/dev/null
    }

    publish() {
      pushd "$ROOT" >/dev/null
      deps
      doom publish external/doomemacs.org public/doomemacs.org
      doom publish . public -e assets=public/doomemacs.org
      doom publish external/core public/core/latest
      doom publish external/modules public/modules/latest
      doom publish external/modules-contrib public/modules-contrib/latest
      popd >/dev/null
    }

    clean() {
      pushd "$ROOT" >/dev/null
      rm -virf external/*/
      rm -virf public/*/
      popd >/dev/null
    }
  '';
}