bootstrap.sh

#!/usr/bin/env bash
set -euo pipefail

FLAKE="$HOME/.config"

xcode-select -p >/dev/null 2>&1 || {
    xcode-select --install
    echo "Install CLT."
    exit 1
}

if [ ! -e /nix/var/nix/profiles/default/bin/nix ]; then
    curl -sSfL https://artifacts.nixos.org/nix-installer | sh -s -- install --enable-flakes
fi

# shellcheck disable=SC1091
. /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh

for f in bashrc zprofile zshrc nix/nix.conf; do
    [ -e "/etc/$f" ] && [ ! -L "/etc/$f" ] && sudo mv "/etc/$f" "/etc/$f.before-nix-darwin"
done

if [ ! -f "$HOME/.config/nix/local.nix" ]; then
    printf '{\n  user = "%s";\n  gitName = "";\n  gitEmail = "";\n}\n' "$(whoami)" >"$HOME/.config/nix/local.nix"
    echo "Created nix/local.nix from whoami; fill in gitName/gitEmail and re-run."
    exit 1
fi

if grep -q '= ""' "$HOME/.config/nix/local.nix"; then
    echo "nix/local.nix has empty fields; fill in gitName/gitEmail and re-run."
    exit 1
fi

/nix/var/nix/profiles/default/bin/nix --extra-experimental-features "nix-command flakes" \
    build "$FLAKE#darwinConfigurations.darwin.system" --impure --out-link /tmp/bootstrap-system
sudo env HOME="$HOME" /tmp/bootstrap-system/sw/bin/darwin-rebuild switch --flake "$FLAKE#darwin" --impure

"/etc/profiles/per-user/$(whoami)/bin/mise" install