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Merge pull request #2158 from mblayman/lua
Add Lua language support
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Original file line number | Diff line number | Diff line change |
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import contextlib | ||
import os | ||
import sys | ||
from typing import Generator | ||
from typing import Sequence | ||
from typing import Tuple | ||
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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 | ||
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ENVIRONMENT_DIR = 'lua_env' | ||
get_default_version = helpers.basic_get_default_version | ||
healthy = helpers.basic_healthy | ||
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def _get_lua_version() -> str: # pragma: win32 no cover | ||
"""Get the Lua version used in file paths.""" | ||
_, stdout, _ = cmd_output('luarocks', 'config', '--lua-ver') | ||
return stdout.strip() | ||
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def get_env_patch(d: str) -> PatchesT: # pragma: win32 no cover | ||
version = _get_lua_version() | ||
so_ext = 'dll' if sys.platform == 'win32' else 'so' | ||
return ( | ||
('PATH', (os.path.join(d, 'bin'), os.pathsep, Var('PATH'))), | ||
( | ||
'LUA_PATH', ( | ||
os.path.join(d, 'share', 'lua', version, '?.lua;'), | ||
os.path.join(d, 'share', 'lua', version, '?', 'init.lua;;'), | ||
), | ||
), | ||
( | ||
'LUA_CPATH', | ||
(os.path.join(d, 'lib', 'lua', version, f'?.{so_ext};;'),), | ||
), | ||
) | ||
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def _envdir(prefix: Prefix) -> str: # pragma: win32 no cover | ||
directory = helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT) | ||
return prefix.path(directory) | ||
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@contextlib.contextmanager # pragma: win32 no cover | ||
def in_env(prefix: Prefix) -> Generator[None, None, None]: | ||
with envcontext(get_env_patch(_envdir(prefix))): | ||
yield | ||
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def install_environment( | ||
prefix: Prefix, | ||
version: str, | ||
additional_dependencies: Sequence[str], | ||
) -> None: # pragma: win32 no cover | ||
helpers.assert_version_default('lua', version) | ||
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envdir = _envdir(prefix) | ||
with clean_path_on_failure(envdir): | ||
with in_env(prefix): | ||
# luarocks doesn't bootstrap a tree prior to installing | ||
# so ensure the directory exists. | ||
os.makedirs(envdir, exist_ok=True) | ||
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# Older luarocks (e.g., 2.4.2) expect the rockspec as an arg | ||
for rockspec in prefix.star('.rockspec'): | ||
make_cmd = ('luarocks', '--tree', envdir, 'make', rockspec) | ||
helpers.run_setup_cmd(prefix, make_cmd) | ||
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# luarocks can't install multiple packages at once | ||
# so install them individually. | ||
for dependency in additional_dependencies: | ||
cmd = ('luarocks', '--tree', envdir, 'install', dependency) | ||
helpers.run_setup_cmd(prefix, cmd) | ||
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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) |
12 changes: 12 additions & 0 deletions
12
pre_commit/resources/empty_template_pre-commit-package-dev-1.rockspec
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package = "pre-commit-package" | ||
version = "dev-1" | ||
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source = { | ||
url = "git+ssh://git@github.com/pre-commit/pre-commit.git" | ||
} | ||
description = {} | ||
dependencies = {} | ||
build = { | ||
type = "builtin", | ||
modules = {}, | ||
} |
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#!/usr/bin/env bash | ||
set -euo pipefail | ||
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# Install the runtime and package manager. | ||
sudo apt install lua5.3 liblua5.3-dev luarocks |
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- id: hello-world-lua | ||
name: hello world lua | ||
entry: hello-world-lua | ||
language: lua |
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#!/usr/bin/env lua | ||
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print('hello world') |
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package = "hello" | ||
version = "dev-1" | ||
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source = { | ||
url = "git+ssh://git@github.com/pre-commit/pre-commit.git" | ||
} | ||
description = {} | ||
dependencies = {} | ||
build = { | ||
type = "builtin", | ||
modules = {}, | ||
install = { | ||
bin = {"bin/hello-world-lua"} | ||
}, | ||
} |
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