#!/usr/bin/env python3

"""
sudo pacman -Syu
nix-channel --update && nix-env -u
nvim '+PlugUpdate' '+PlugClean!' '+PlugUpdate' '+qall' > /dev/null 2>&1
aur sync -unr # requires interactivity
"""

import sys, os
import subprocess
from time import localtime, strftime


def log(message: str):
    print(f'[{strftime("%Y-%m-%d %H:%M:%S", localtime())}] {message}')


lock_file = 'update.lock'
if os.path.exists(lock_file):
    log('Update already running')
    sys.exit(0)

open(lock_file, 'a').close()

log('Starting pacman process...')
pacman_process = subprocess.Popen(['sudo', 'pacman', '-Syu', '--confirm'], stdout=subprocess.DEVNULL)

log('Starting nix process...')
nix_process = subprocess.Popen(['nix-channel', '--update'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)

log('Starting nvim process...')
nvim_process = subprocess.Popen(['nvim', '+PlugUpdate', '+PlugClean!', '+PlugUpdate!', '+qall'], stdout=subprocess.DEVNULL)

nix_process.wait()
log('nix process done. Calling nix-env...')
nix_env_process = subprocess.Popen(['nix-env', '-u'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)

pacman_process.wait()
log('pacman process done. Calling aur sync...')
subprocess.run(['aur', 'sync', '-unr'])

nix_env_process.wait()
log('Cleaning up...')
os.remove(lock_file)