mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-01-13 12:30:08 -06:00
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
import functools
|
|
import logging
|
|
import os
|
|
import os.path
|
|
import re
|
|
from plumbum import local
|
|
|
|
from pre_commit.util import memoize_by_cwd
|
|
|
|
|
|
logger = logging.getLogger('pre_commit')
|
|
|
|
|
|
@memoize_by_cwd
|
|
def get_root():
|
|
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')
|
|
|
|
|
|
def is_in_merge_conflict():
|
|
return os.path.exists(os.path.join('.git', 'MERGE_MSG'))
|
|
|
|
|
|
def parse_merge_msg_for_conflicts(merge_msg):
|
|
# Conflicted files start with tabs
|
|
return [
|
|
line.strip() for line in merge_msg.splitlines() if line.startswith('\t')
|
|
]
|
|
|
|
|
|
@memoize_by_cwd
|
|
def get_conflicted_files():
|
|
logger.info('Checking merge-conflict files only.')
|
|
# Need to get the conflicted files from the MERGE_MSG because they could
|
|
# have resolved the conflict by choosing one side or the other
|
|
merge_msg = open(os.path.join('.git', 'MERGE_MSG')).read()
|
|
merge_conflict_filenames = parse_merge_msg_for_conflicts(merge_msg)
|
|
|
|
# This will get the rest of the changes made after the merge.
|
|
# If they resolved the merge conflict by choosing a mesh of both sides
|
|
# this will also include the conflicted files
|
|
tree_hash = local['git']['write-tree']().strip()
|
|
merge_diff_filenames = local['git'][
|
|
'diff', '-m', tree_hash, 'HEAD', 'MERGE_HEAD', '--name-only',
|
|
]().splitlines()
|
|
return set(merge_conflict_filenames) | set(merge_diff_filenames)
|
|
|
|
|
|
@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(include_expr, exclude_expr):
|
|
include_regex = re.compile(include_expr)
|
|
exclude_regex = re.compile(exclude_expr)
|
|
return set(
|
|
filename
|
|
for filename in all_file_list_strategy()
|
|
if (
|
|
include_regex.search(filename) and
|
|
not exclude_regex.search(filename) and
|
|
os.path.exists(filename)
|
|
)
|
|
)
|
|
return wrapper
|
|
|
|
|
|
get_staged_files_matching = get_files_matching(get_staged_files)
|
|
get_all_files_matching = get_files_matching(get_all_files)
|
|
get_conflicted_files_matching = get_files_matching(get_conflicted_files)
|