install.sh

#!/usr/bin/env bash

set -x

DOTFILES=$(dirname $0)

bold="$(tput bold)"
unbold=$(tput sgr0)
section() {
  echo "👉 ${bold}$1${unbold}"
}

danger() {
  echo "❌ $(tput setaf 1)$1$(tput setaf 0)"
}

success() {
  echo "✅ $(tput setaf 2)$1$(tput setaf 0)"
}

info() {
  echo "ℹ️  $1"
}

IS_DARWIN=[ "$(uname)" = Darwin ]
IS_ARM64=[[ $(uname -a) = *"arm64"* ]]

if $IS_DARWIN; then
  if $IS_ARM64; then
    info "Detected Darwin (Intel) install."
  else
    info "Detected Darwin (arm64) install."
  fi
else
  info "Detected NixOS install."
fi

read \?"Welcome to @macalinao's dotfiles installer. Press [Enter] to begin."

if $IS_DARWIN; then
  section "Install Nix and create an unencrypted nix store volume"
  if [ ! -e /nix ]; then
    # Need /usr/sbin in path
    export PATH=/usr/sbin:$PATH
    bash <(curl -L https://nixos.org/nix/install) || {
      danger "Could not install Nix"
      exit 1
    }

    success "Nix installed"
  else
    info "Nix already installed; skipping..."
  fi
fi

if $IS_DARWIN; then
  section "Install Homebrew"
  if ! which brew; then
    bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
    success "Homebrew installed"
  else
    info "Homebrew already installed, skipping..."
  fi
fi

if [ $(whoami) = igm ]; then
  section "Install Keybase"
  if [ $IS_DARWIN && $IS_ARM64 ]; then
    if /usr/bin/pgrep oahd >/dev/null 2>&1; then
      echo "Rosetta is already installed and running. Nothing to do."
    else
      softwareupdate –-install-rosetta –-agree-to-license
    fi
    if ! $(brew list | grep keybase); then
      brew install keybase
      read \?"Please log in to Keybase so that we can install the private dotfiles. Press [Enter] when you're done."
    fi
  else
    keybase id || {
      echo "Please authenticate with Keybase."
      keybase login
      read \?"If you've logged in to Keybase, press [Enter]."
    }
  fi

  section "Set up private dotfiles"
  if [ ! -e ~/dotfiles-private ]; then
    git clone keybase://private/ianm/dotfiles-private ~/dotfiles-private
    success "Private dotfiles set up"
  else
    info "Private dotfiles already found. Updating..."
    cd ~/dotfiles-private && git frp
    success "Private dotfiles set up"
  fi
else
  info "User is not igm; skipping private repos setup."
fi

section "Setup temporary Cachix"
nix-env -iA cachix -f https://cachix.org/api/v1/install
nix-env --set-flag priority 100 cachix
cachix use igm

if $IS_DARWIN; then
  section "Install Nix configuration"

  DOTFILES_SYSTEM_ATTR=ian-mbp
  if $IS_ARM64; then
    DOTFILES_SYSTEM_ATTR=ian-mbp-m1
  fi

  nix build --extra-experimental-features nix-command --extra-experimental-features flakes $DOTFILES/private/flakes/darwin#darwinConfigurations.$DOTFILES_SYSTEM_ATTR.system
  ./result/sw/bin/darwin-rebuild switch --flake $DOTFILES/private/flakes/darwin
  success "nix-darwin installed"
else
  sudo nixos-rebuild switch --flake "$HOME/dotfiles/private/flakes/nixos#primary"
fi

info "Installation complete. Please restart your shell to contine."