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import os, subprocess
import argparse
import tempfile
from pathlib import Path
from . import build
from .mesonlib import MesonException, RealPathAction, is_windows, setup_vsenv
import typing as T
def add_arguments(parser: argparse.ArgumentParser) -> None:
parser.add_argument('-C', dest='wd', action=RealPathAction,
help='directory to cd into before running')
parser.add_argument('command', nargs=argparse.REMAINDER,
help='Command to run in developer environment (default: interactive shell)')
def get_windows_shell() -> str:
mesonbuild = Path(__file__).parent
script = mesonbuild / 'scripts' / 'cmd_or_ps.ps1'
command = ['powershell.exe', '-noprofile', '-executionpolicy', 'bypass', '-file', str(script)]
result = subprocess.check_output(command)
return result.decode().strip()
def get_env(b: build.Build, build_dir: str) -> T.Dict[str, str]:
env = os.environ.copy()
for i in b.devenv:
env = i.get_env(env)
extra_env = build.EnvironmentVariables()
extra_env.set('MESON_DEVENV', ['1'])
extra_env.set('MESON_PROJECT_NAME', [b.project_name])
meson_uninstalled = Path(build_dir) / 'meson-uninstalled'
if meson_uninstalled.is_dir():
extra_env.prepend('PKG_CONFIG_PATH', [str(meson_uninstalled)])
return extra_env.get_env(env)
def run(options: argparse.Namespace) -> int:
buildfile = Path(options.wd) / 'meson-private' / 'build.dat'
if not buildfile.is_file():
raise MesonException(f'Directory {options.wd!r} does not seem to be a Meson build directory.')
b = build.load(options.wd)
setup_vsenv(b.need_vsenv)
devenv = get_env(b, options.wd)
args = options.command
if not args:
prompt_prefix = f'[{b.project_name}]'
if is_windows():
shell = get_windows_shell()
if shell == 'powershell.exe':
args = ['powershell.exe']
args += ['-NoLogo', '-NoExit']
prompt = f'function global:prompt {{ "{prompt_prefix} PS " + $PWD + "> "}}'
args += ['-Command', prompt]
else:
args = [os.environ.get("COMSPEC", r"C:\WINDOWS\system32\cmd.exe")]
args += ['/k', f'prompt {prompt_prefix} $P$G']
else:
args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
if "bash" in args[0] and not os.environ.get("MESON_DISABLE_PS1_OVERRIDE"):
tmprc = tempfile.NamedTemporaryFile(mode='w')
bashrc = os.path.expanduser('~/.bashrc')
if os.path.exists(bashrc):
tmprc.write(f'. {bashrc}\n')
tmprc.write(f'export PS1="{prompt_prefix} $PS1"')
tmprc.flush()
# Let the GC remove the tmp file
args.append("--rcfile")
args.append(tmprc.name)
try:
return subprocess.call(args, close_fds=False,
env=devenv,
cwd=options.wd)
except subprocess.CalledProcessError as e:
return e.returncode
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