vim-config/util.py at master · thwyr/vim-config · GitHub

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#!/usr/bin/env python3
# PYTHON_ARGCOMPLETE_OK

#Copyright © 2015-2016 Thia Wyrod <thia@wyrod.ca>
#All rights reserved.
#Licensed under the 3-clause BSD License: see the included LICENSE file.

import argparse, argcomplete
import os, subprocess, shlex, shutil, re


def subprocess_exec(cmd):
    subprocess.call(shlex.split(cmd), stderr=subprocess.STDOUT)


def update_all():
    base_dir = os.getcwd()
    # We only wish to track remotes on our immediate repositories; they may
    # have their own submodules of specific commits
    subprocess_exec('git submodule update --init --remote')
    dir_list = [ d.path for d in os.scandir(os.path.join(base_dir, 'bundle'))
        if d.is_dir() ]
    for d in dir_list:
        if os.path.exists(os.path.join(d, '.gitmodules')):
            os.chdir(d)
            subprocess_exec('git submodule update --init --recursive')
    os.chdir(base_dir)


def rebuild_ycm(num_cores):
    c_dir = os.getcwd()
    os.chdir(os.path.join(c_dir, 'bundle/YouCompleteMe'))
    os.environ['YCM_CORES'] = num_cores
    build_cmd = './install.py --clang-completer --system-libclang --racer-completer'
    subprocess_exec(build_cmd)
    del os.environ['YCM_CORES']
    os.chdir(c_dir)


def rebuild_all():
    num_cores = subprocess.check_output(shlex.split('grep -c ^processor /proc/cpuinfo'))
    num_cores = str(num_cores.strip(b'\n').strip(), encoding='ascii')
    rebuild_ycm(num_cores)


def safe_gen_link(target, link):
    try:
        if os.path.exists(link):
            os.unlink(link)
        os.symlink(target, link)
    except:
        print('Failed symlink generation: {0} pointing at {1}'.format(link, target))


def install_all():
    os.makedirs('autoload', exist_ok=True)
    os.makedirs('.cache', exist_ok=True)
    pathogen_f = os.path.join(os.getcwd(), 'pathogen/autoload/pathogen.vim')
    safe_gen_link(pathogen_f, 'autoload/pathogen.vim')
    base_dir = os.path.join(os.getcwd(), 'dotfiles')
    for d in os.walk(base_dir):
        for f in d[2]:
            path = os.path.join(d[0], f)
            link_path = re.sub(base_dir, os.environ['HOME'], path)
            safe_gen_link(path, link_path)


kValidCmds = {
    'update': update_all,
    'rebuild': rebuild_all,
    'install': install_all,
}


def parse_argv():
    parser = argparse.ArgumentParser(
        description='Easily update git submodule-managed plugins'
    )
    parser.add_argument('cmds', action='store', default=None,
        nargs='+', choices=kValidCmds.keys(),
        help=''
    )
    argcomplete.autocomplete(parser)
    return parser.parse_args()


if __name__ == '__main__':
    argv = parse_argv()
    for cmd in argv.cmds:
        kValidCmds[cmd]()