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Fix #322 by only removing git environment variables while cloning

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This commit is contained in:
Anthony Sottile 2015-12-22 18:36:12 -08:00
parent c16479b94a
commit 495fefd316
6 changed files with 42 additions and 14 deletions
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14
pre_commit/util.py
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@ -71,6 +71,20 @@ def shell_escape(arg):
return "'" + arg.replace("'", "'\"'\"'".strip()) + "'"
def no_git_env():
# Too many bugs dealing with environment variables and GIT:
# https://github.com/pre-commit/pre-commit/issues/300
# In git 2.6.3 (maybe others), git exports GIT_WORK_TREE while running
# pre-commit hooks
# In git 1.9.1 (maybe others), git exports GIT_DIR and GIT_INDEX_FILE
# while running pre-commit hooks in submodules.
# GIT_DIR: Causes git clone to clone wrong thing
# GIT_INDEX_FILE: Causes 'error invalid object ...' during commit
return dict(
(k, v) for k, v in os.environ.items() if not k.startswith('GIT_')
)
@contextlib.contextmanager
def tarfile_open(*args, **kwargs):
"""Compatibility layer because python2.6"""