#!/bin/sh

# -e: exit on error
# -u: exit on unset variables
set -eu

dotfiles=dailybrain

tmpdir=$(mktemp -d -t chezmoi-XXXX)
trap 'rm -rf ${tmpdir}' EXIT


main() {

    echo "debug: $0 $@"
    echo "tmpdir: ${tmpdir}"
    
    install_chezmoi || exit 1
    run_chezmoi init --apply "${dotfiles}" || exit 1

}

install_chezmoi() {

    if is_command chezmoi; then
        return
    elif is_command curl; then
        sh -c "$(curl -fsLS git.io/chezmoi)" -- -b "${tmpdir}" || return 1
        return
    elif is_command wget; then
        sh -c "$(wget -qO- git.io/chezmoi)" -- -b "${tmpdir}" || return 1
        return
    else
        echo "can't find chezmoi, curl or wget :("
    fi

    return 1

}

run_chezmoi() {

    if is_command chezmoi; then
        chezmoi "$@" || return 1
        return
    else
        "${tmpdir}/chezmoi" "$@" || return 1
        return
    fi

    return 1

}

is_command() {
    command -v "$1" >/dev/null
}

main "$@"