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fix for issue 246

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This commit is contained in:
Dmitriy Kunitskiy 2015-07-20 14:51:25 -07:00
parent 2c70476c63
commit 72b61a81f9
3 changed files with 20 additions and 1 deletions
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6
pre_commit/commands/install_uninstall.py
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@ -27,10 +27,14 @@ IDENTIFYING_HASH = '79f09a650522a87b0da915d0d983b2de'
def is_our_pre_commit(filename):
if not os.path.exists(filename):
return False
return IDENTIFYING_HASH in io.open(filename).read()
def is_previous_pre_commit(filename):
if not os.path.exists(filename):
return False
contents = io.open(filename).read()
return any(hash in contents for hash in PREVIOUS_IDENTIFYING_HASHES)
@ -53,7 +57,7 @@ def install(runner, overwrite=False, hooks=False, hook_type='pre-commit'):
# If we have an existing hook, move it to pre-commit.legacy
if (
os.path.exists(hook_path) and
os.path.lexists(hook_path) and
not is_our_pre_commit(hook_path) and
not is_previous_pre_commit(hook_path)
):