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Make hook work properly on initial commit #25

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Make hook work properly on initial commit #25

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29 changes: 28 additions & 1 deletion git_pylint_commit_hook/commit_hook.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,42 @@
import re
import sys
import subprocess
import collections
import ConfigParser


ExecutionResult = collections.namedtuple(
'ExecutionResult',
'status, stdout, stderr'
)


def _execute(cmd):
process = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
stdout, stderr = process.communicate()
status = process.poll()
return ExecutionResult(status, stdout, stderr)


def _current_commit():
if _execute('git rev-parse --verify HEAD'.split()).status:
return '4b825dc642cb6eb9a060e54bf8d69288fbee4904'
else:
return 'HEAD'


def _get_list_of_committed_files():
""" Returns a list of files about to be commited. """
files = []
# pylint: disable=E1103
diff_index_cmd = 'git diff-index --cached %s' % _current_commit()
output = subprocess.check_output(
'git diff-index --cached HEAD'.split())
diff_index_cmd.split()
)
for result in output.split('\n'):
if result != '':
result = result.split()
Expand Down