install-packages

#!/usr/bin/env bash

set -e
set -o pipefail
set -u

os="$(uname)"

expected_nix_files=(
    bin/black
    bin/clang-format
    bin/emacs
    bin/emacsclient
    bin/flake8
    bin/fzf
    bin/git
    bin/gpg
    bin/htop
    bin/jq
    bin/python3
    bin/rg
    bin/sd
    bin/sqlite3
    bin/tmux
    bin/vim
    bin/wget
    bin/zsh
)

nix_package_attrs=(
    nixpkgs.llvmPackages_9.clang-unwrapped  # for clang-format 9
    nixpkgs.fzf
    nixpkgs.gitAndTools.gitFull
    nixpkgs.gnupg
    nixpkgs.htop
    nixpkgs.jq
    nixpkgs.my-ninja
    nixpkgs.python3
    nixpkgs.python3Packages.black
    nixpkgs.python3Packages.flake8
    nixpkgs.ripgrep
    nixpkgs.sd
    nixpkgs.strager-emacs
    nixpkgs.strager-vim
    nixpkgs.sqlite-interactive
    nixpkgs.tmux
    nixpkgs.wget
    nixpkgs.zsh
    nixpkgs.zsh-completions
)

main() {
    install_packages
    verify_installed_packages
}

install_packages() {
    nix-env -iA -- "${nix_package_attrs[@]}"
}

verify_installed_packages() {
    local exit_code=0
    for expected_file in "${expected_nix_files[@]}"; do
        local expected_file_path="${HOME}/.nix-profile/${expected_file}"
        if ! [ -f "${expected_file_path}" ]; then
            printf 'error: file %s not found (searched %s)\n' "${expected_file}" "${expected_file_path}"
            exit_code=1
        fi
    done
    return "${exit_code}"
}

main