import os
import re
import subprocess
import shutil

# Super cursed python script to update nebula and rewrite the cargo version so we can have Ultra Up-To-Date nebula versions

# clone the repository to /tmp/nebula-clone-checkout
#if os.path.exists('/tmp/nebula-clone-checkout'):
#    shutil.rmtree('/tmp/nebula-clone-checkout')

#subprocess.check_output(['git', 'clone', 'https://github.com/slackhq/nebula', '/tmp/nebula-clone-checkout', '--bare'])

describe = subprocess.check_output(['git', '-C', '/tmp/nebula-clone-checkout', 'describe']).decode('ascii').strip()

print(f'Repository version: {describe}')

on_tag_re = re.compile('v(\\d+.)+(\\d+)')
on_commit_re = re.compile('v(\d+.)+(\d+)-(\d+)-g[a-f0-9]+')

if on_commit_re.match(describe):
    print('Repository is on-commit (no tag on this commit)')
    split = describe.split('-')
    version_splits = len(split) - 2
    version = split[:version_splits][0].split('v')[1]

    commit = split[-1].split('g')[1]

    print('Base version:', version)
    print('Commit:', commit)
    print(f'Go package specifier: github.com/slackhq/nebula@{commit}')
    print(f'Cargo package version: {version}+{commit}')

    gopkg = f'github.com/slackhq/nebula@{commit}'
    cargo = f'{version}+{commit}'

    print('Updating gopkg')

    subprocess.check_output(['go', 'get', gopkg])

    print('Updating cargo (todo)')
elif on_tag_re.match(describe):
    print('Repository is on-tag (this commit is tagged)')