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fbdb46f5cb
Reviewed By: chadaustin Differential Revision: D17872966 fbshipit-source-id: cd60a364a2146f0dadbeca693b1d4a5d7c97ff63
80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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import errno
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import glob
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import os
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import subprocess
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from typing import List
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def find_buck_projects_in_repo(path: str) -> List[str]:
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# This is a largely Facebook specific way to discover the likely
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# buck project locations in our repos.
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# While fbsource has a top level buckconfig, we don't really use
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# it in our projects today. Instead, our projects tend to have
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# their own configuration files one level down. This glob()
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# finds those directories for us.
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buck_configs = glob.glob(f"{path}/*/.buckconfig")
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projects = [os.path.dirname(config) for config in buck_configs]
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if os.path.isfile(f"{path}/.buckconfig"):
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projects.append(path)
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return projects
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def is_buckd_running_for_path(path: str) -> bool:
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pid_file = os.path.join(path, ".buckd", "pid")
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try:
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with open(pid_file, "r") as f:
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buckd_pid = int(f.read().strip())
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except OSError as exc:
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if exc.errno == errno.ENOENT:
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return False
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raise
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# Test whether that pid is still alive
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try:
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os.kill(buckd_pid, 0)
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return True
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except OSError:
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return False
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def stop_buckd_for_path(path: str) -> None:
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print(f"Stopping buck in {path}...")
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subprocess.run(
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# Using BUCKVERSION=last here to avoid triggering a download
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# of a new version of buck just to kill off buck.
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# This is specific to Facebook's deployment of buck, and has
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# no impact on the behavior of the opensource buck executable.
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["env", "BUCKVERSION=last", "buck", "kill"],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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cwd=path,
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)
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def stop_buckd_for_repo(path: str) -> None:
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"""Stop the major buckd instances that are likely to be running for path"""
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for project in find_buck_projects_in_repo(path):
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if is_buckd_running_for_path(project):
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stop_buckd_for_path(project)
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def buck_clean_repo(path: str) -> None:
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for project in find_buck_projects_in_repo(path):
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print(f"Cleaning buck in {project}...")
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subprocess.run(
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# Using BUCKVERSION=last here to avoid triggering a download
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# of a new version of buck just to remove some dirs
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# This is specific to Facebook's deployment of buck, and has
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# no impact on the behavior of the opensource buck executable.
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["env", "NO_BUCKD=true", "BUCKVERSION=last", "buck", "clean"],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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cwd=project,
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)
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