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import contextlib
import os.path
import sys
from typing import Generator
from typing import Sequence
from typing import Tuple
import pre_commit.constants as C
from pre_commit import git
from pre_commit.envcontext import envcontext
from pre_commit.envcontext import PatchesT
from pre_commit.envcontext import Var
from pre_commit.hook import Hook
from pre_commit.languages import helpers
from pre_commit.prefix import Prefix
from pre_commit.util import clean_path_on_failure
from pre_commit.util import cmd_output
from pre_commit.util import cmd_output_b
from pre_commit.util import rmtree
ENVIRONMENT_DIR = 'golangenv'
get_default_version = helpers.basic_get_default_version
healthy = helpers.basic_healthy
def get_env_patch(venv: str) -> PatchesT:
return (
('PATH', (os.path.join(venv, 'bin'), os.pathsep, Var('PATH'))),
)
@contextlib.contextmanager
def in_env(prefix: Prefix) -> Generator[None, None, None]:
envdir = prefix.path(
helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT),
)
with envcontext(get_env_patch(envdir)):
yield
def guess_go_dir(remote_url: str) -> str:
if remote_url.endswith('.git'):
remote_url = remote_url[:-1 * len('.git')]
looks_like_url = (
not remote_url.startswith('file://') and
('//' in remote_url or '@' in remote_url)
)
remote_url = remote_url.replace(':', '/')
if looks_like_url:
_, _, remote_url = remote_url.rpartition('//')
_, _, remote_url = remote_url.rpartition('@')
return remote_url
else:
return 'unknown_src_dir'
def install_environment(
prefix: Prefix,
version: str,
additional_dependencies: Sequence[str],
) -> None:
helpers.assert_version_default('golang', version)
directory = prefix.path(
helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT),
)
with clean_path_on_failure(directory):
remote = git.get_remote_url(prefix.prefix_dir)
repo_src_dir = os.path.join(directory, 'src', guess_go_dir(remote))
# Clone into the goenv we'll create
cmd = ('git', 'clone', '--recursive', '.', repo_src_dir)
helpers.run_setup_cmd(prefix, cmd)
if sys.platform == 'cygwin': # pragma: no cover
_, gopath, _ = cmd_output('cygpath', '-w', directory)
gopath = gopath.strip()
else:
gopath = directory
env = dict(os.environ, GOPATH=gopath)
env.pop('GOBIN', None)
cmd_output_b('go', 'get', './...', cwd=repo_src_dir, env=env)
for dependency in additional_dependencies:
cmd_output_b('go', 'get', dependency, cwd=repo_src_dir, env=env)
# Same some disk space, we don't need these after installation
rmtree(prefix.path(directory, 'src'))
pkgdir = prefix.path(directory, 'pkg')
if os.path.exists(pkgdir): # pragma: no cover (go<1.10)
rmtree(pkgdir)
def run_hook(
hook: Hook,
file_args: Sequence[str],
color: bool,
) -> Tuple[int, bytes]:
with in_env(hook.prefix):
return helpers.run_xargs(hook, hook.cmd, file_args, color=color)
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