Files
pre-commit/pre_commit/git.py
2014-03-18 21:40:08 -07:00

74 lines
1.8 KiB
Python

import functools
import os
import os.path
import pkg_resources
import re
import stat
from plumbum import local
from pre_commit.util import memoize_by_cwd
def _get_root_new():
path = os.getcwd()
while len(path) > 1:
if os.path.exists(os.path.join(path, '.git')):
return path
else:
path = os.path.normpath(os.path.join(path, '../'))
raise AssertionError('called from outside of the gits')
@memoize_by_cwd
def get_root():
return _get_root_new()
@memoize_by_cwd
def get_pre_commit_path():
return os.path.join(get_root(), '.git/hooks/pre-commit')
def create_pre_commit():
path = get_pre_commit_path()
pre_commit_file = pkg_resources.resource_filename('pre_commit', 'resources/pre-commit.sh')
local.path(path).write(local.path(pre_commit_file).read())
original_mode = os.stat(path).st_mode
os.chmod(path, original_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
def remove_pre_commit():
local.path(get_pre_commit_path()).delete()
def get_head_sha(git_repo_path):
with local.cwd(git_repo_path):
return local['git']['rev-parse', 'HEAD']().strip()
@memoize_by_cwd
def get_staged_files():
return local['git']['diff', '--staged', '--name-only']().splitlines()
@memoize_by_cwd
def get_all_files():
return local['git']['ls-files']().splitlines()
def get_files_matching(all_file_list_strategy):
@functools.wraps(all_file_list_strategy)
@memoize_by_cwd
def wrapper(expr):
regex = re.compile(expr)
return set(filter(os.path.exists, (
filename
for filename in all_file_list_strategy()
if regex.search(filename)
)))
return wrapper
get_staged_files_matching = get_files_matching(get_staged_files)
get_all_files_matching = get_files_matching(get_all_files)