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import contextlib
import os
from typing import Generator
from typing import Sequence
from typing import Tuple
import pre_commit.constants as C
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_b
ENVIRONMENT_DIR = 'swift_env'
get_default_version = helpers.basic_get_default_version
healthy = helpers.basic_healthy
BUILD_DIR = '.build'
BUILD_CONFIG = 'release'
def get_env_patch(venv: str) -> PatchesT: # pragma: win32 no cover
bin_path = os.path.join(venv, BUILD_DIR, BUILD_CONFIG)
return (('PATH', (bin_path, os.pathsep, Var('PATH'))),)
@contextlib.contextmanager # pragma: win32 no cover
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 install_environment(
prefix: Prefix, version: str, additional_dependencies: Sequence[str],
) -> None: # pragma: win32 no cover
helpers.assert_version_default('swift', version)
helpers.assert_no_additional_deps('swift', additional_dependencies)
directory = prefix.path(
helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT),
)
# Build the swift package
with clean_path_on_failure(directory):
os.mkdir(directory)
cmd_output_b(
'swift', 'build',
'-C', prefix.prefix_dir,
'-c', BUILD_CONFIG,
'--build-path', os.path.join(directory, BUILD_DIR),
)
def run_hook(
hook: Hook,
file_args: Sequence[str],
color: bool,
) -> Tuple[int, bytes]: # pragma: win32 no cover
with in_env(hook.prefix):
return helpers.run_xargs(hook, hook.cmd, file_args, color=color)
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