mirror of
https://github.com/pre-commit/pre-commit.git
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46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
from __future__ import unicode_literals
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import contextlib
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import sys
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from pre_commit.languages import helpers
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from pre_commit.util import clean_path_on_failure
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ENVIRONMENT_DIR = 'node_env'
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class NodeEnv(helpers.Environment):
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@property
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def env_prefix(self):
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return ". '{{prefix}}{0}/bin/activate' &&".format(ENVIRONMENT_DIR)
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@contextlib.contextmanager
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def in_env(repo_cmd_runner):
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yield NodeEnv(repo_cmd_runner)
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def install_environment(repo_cmd_runner, version='default'):
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assert repo_cmd_runner.exists('package.json')
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env_dir = repo_cmd_runner.path(ENVIRONMENT_DIR)
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with clean_path_on_failure(env_dir):
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cmd = [
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sys.executable, '-m', 'nodeenv', '--prebuilt',
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'{{prefix}}{0}'.format(ENVIRONMENT_DIR),
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]
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if version != 'default':
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cmd.extend(['-n', version])
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repo_cmd_runner.run(cmd)
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with in_env(repo_cmd_runner) as node_env:
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node_env.run("cd '{prefix}' && npm install -g")
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def run_hook(repo_cmd_runner, hook, file_args):
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with in_env(repo_cmd_runner) as env:
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return helpers.run_hook(env, hook, file_args)
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