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Make ^C^C during install not cause subsequent runs to fail. Resolves #186.

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This commit is contained in:
Anthony Sottile
2015-02-07 15:39:50 -08:00
parent 901c50632f
commit 1996a4c8a1
2 changed files with 44 additions and 1 deletions
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14
pre_commit/repository.py
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@@ -1,5 +1,7 @@
from __future__ import unicode_literals
import shutil
from cached_property import cached_property
from pre_commit.languages.all import languages
@@ -64,11 +66,21 @@ class Repository(object):
language = languages[language_name]
if (
language.ENVIRONMENT_DIR is None or
self.cmd_runner.exists(language.ENVIRONMENT_DIR)
self.cmd_runner.exists(language.ENVIRONMENT_DIR, '.installed')
):
# The language is already installed
continue
# There's potentially incomplete cleanup from previous runs
# Clean it up!
if self.cmd_runner.exists(language.ENVIRONMENT_DIR):
shutil.rmtree(self.cmd_runner.path(language.ENVIRONMENT_DIR))
language.install_environment(self.cmd_runner, language_version)
# Touch the .installed file (atomic) to indicate we've installed
open(
self.cmd_runner.path(language.ENVIRONMENT_DIR, '.installed'),
'w',
).close()
def run_hook(self, hook, file_args):
"""Run a hook.