installer

#!/usr/bin/env bash

set -euo pipefail

##? Setups the environment
##?
##? Usage:
##?    install

DOTLY_REPOSITORY=${DOTLY_REPOSITORY:-CodelyTV/dotly}
DOTLY_BRANCH=${DOTLY_BRANCH:-master}

red='\033[0;31m'
green='\033[0;32m'
purple='\033[0;35m'
normal='\033[0m'

_w() {
  local -r text="${1:-}"
  echo -e "$text"
}
_a() { _w " > $1"; }
_e() { _a "${red}$1${normal}"; }
_s() { _a "${green}$1${normal}"; }
_q() { read -rp "🤔 $1: " "$2"; }

current_timestamp() { date +%s; }

create_dotfiles_dir() {
  if [ -d "$1" ]; then
    local -r backup_path="$1.$(current_timestamp).back"

    _e "The path '$1' already exist"
    _s "Creating a backup in '$backup_path'"

    mv "$1" "$backup_path"
  else
    _a "Ok! dotfiles will be located in: ${purple}$DOTFILES_PATH${normal}"
  fi

  mkdir -p "$1"
}

command_exists() {
  type "$1" >/dev/null 2>&1
}

_w "  ┌────────────────────────────────────┐"
_w "~ │ 🚀 Welcome to the ${green}dotly${normal} installer! │ ~"
_w "  └────────────────────────────────────┘"
_w
_q "Where do you want your dotfiles to be located? (default ~/.dotfiles)" "DOTFILES_PATH"
DOTFILES_PATH="${DOTFILES_PATH:-$HOME/.dotfiles}"
DOTFILES_PATH="$(eval echo "$DOTFILES_PATH")"
export DOTFILES_PATH="$DOTFILES_PATH"

dotly_inner_path="modules/dotly"
export DOTLY_PATH="$DOTFILES_PATH/$dotly_inner_path"

create_dotfiles_dir "$DOTFILES_PATH"
cd "$DOTFILES_PATH"

if ! command_exists git; then
  _e "git not installed, trying to install"

  if command_exists apt; then
    _a "Installing using apt"
    sudo apt -y install git >/dev/null 2>&1
  elif command_exists dnf; then
    _a "Installing using dnf"
    sudo dnf -y install git >/dev/null 2>&1
  elif command_exists yum; then
    _a "Installing using yum"
    yes | sudo yum install git >/dev/null 2>&1
  elif command_exists brew; then
    _a "Installing using brew"
    yes | brew install git >/dev/null 2>&1
  else
    _e "Could not install git, no package provider found"
    exit 1
  fi
fi

_a "Initializing your dotfiles git repository"
git init >/dev/null

_a "Cloning dotly"
git submodule add -b "$DOTLY_BRANCH" "https://github.com/$DOTLY_REPOSITORY.git" "$dotly_inner_path" >/dev/null 2>&1

_a "Installing dotly dependencies"
git submodule update --init --recursive >/dev/null 2>&1
curl https://sh.rustup.rs -sSf | sh -s -- -y
cargo install docpars

cd "$DOTLY_PATH"

"$PWD/bin/dot" self install

git init >/dev/null

_a "🎉 dotly installed correctly! 🎉"