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Merge pull request #8882 from xclaesse/msubprojects-parallel

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msubprojects: Run action on all subprojects in parallel
pull/8948/head
Jussi Pakkanen 3 years ago committed by GitHub
parent 563f4c7b9f 4aaccdb6ba
commit 6337e40115
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3 changed files with 440 additions and 338 deletions
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  1. 4
      docs/markdown/Commands.md
  2. 7
      docs/markdown/snippets/subprojects_command_parallel.md
  3. 445
      mesonbuild/msubprojects.py

4
docs/markdown/Commands.md
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@ -228,7 +228,9 @@ meson setup builddir
{{ subprojects_usage.inc }}
Manages subprojects of the Meson project.
Manages subprojects of the Meson project. *Since 0.59.0* commands are run on
multiple subprojects in parallel by default, use `--num-processes=1` if it is
not desired.
{{ subprojects_arguments.inc }}

7
docs/markdown/snippets/subprojects_command_parallel.md
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@ -0,0 +1,7 @@
## Parallelized `meson subprojects` commands
All `meson subprojects` commands are now run on each subproject in parallel by
default. The number of processes can be controlled with `--num-processes`
argument.
This speeds up considerably IO-bound operations such as downloads and git fetch.

445
mesonbuild/msubprojects.py
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@ -1,180 +1,248 @@
import os, subprocess
import argparse
import asyncio
import threading
import copy
import shutil
from concurrent.futures.thread import ThreadPoolExecutor
from pathlib import Path
import typing as T
from . import mlog
from .mesonlib import quiet_git, verbose_git, GitException, Popen_safe, MesonException, windows_proof_rmtree
from .mesonlib import quiet_git, GitException, Popen_safe, MesonException, windows_proof_rmtree
from .wrap.wrap import PackageDefinition, Resolver, WrapException, ALL_TYPES
from .wrap import wraptool
ALL_TYPES_STRING = ', '.join(ALL_TYPES)
def update_wrapdb_file(wrap):
class Logger:
def __init__(self, total_tasks: int) -> None:
self.lock = threading.Lock()
self.total_tasks = total_tasks
self.completed_tasks = 0
self.running_tasks = set()
self.should_erase_line = ''
def flush(self) -> None:
if self.should_erase_line:
print(self.should_erase_line, end='\r')
self.should_erase_line = ''
def print_progress(self) -> None:
line = f'Progress: {self.completed_tasks} / {self.total_tasks}'
max_len = shutil.get_terminal_size().columns - len(line)
running = ', '.join(self.running_tasks)
if len(running) + 3 > max_len:
running = running[:max_len - 6] + '...'
line = line + f' ({running})'
print(self.should_erase_line, line, sep='', end='\r')
self.should_erase_line = '\x1b[K'
def start(self, wrap_name: str) -> None:
with self.lock:
self.running_tasks.add(wrap_name)
self.print_progress()
def done(self, wrap_name: str, log_queue: T.List[T.Tuple[mlog.TV_LoggableList, T.Any]]) -> None:
with self.lock:
self.flush()
for args, kwargs in log_queue:
mlog.log(*args, **kwargs)
self.running_tasks.remove(wrap_name)
self.completed_tasks += 1
self.print_progress()
class Runner:
def __init__(self, logger: Logger, r: Resolver, wrap: PackageDefinition, repo_dir: str, options: argparse.Namespace) -> None:
# FIXME: Do a copy because Resolver.resolve() is stateful method that
# cannot be called from multiple threads.
self.wrap_resolver = copy.copy(r)
self.wrap = wrap
self.repo_dir = repo_dir
self.options = options
self.run_method = options.subprojects_func.__get__(self)
self.log_queue = []
self.logger = logger
def log(self, *args, **kwargs):
self.log_queue.append((args, kwargs))
def run(self):
self.logger.start(self.wrap.name)
result = self.run_method()
self.logger.done(self.wrap.name, self.log_queue)
return result
def update_wrapdb_file(self):
try:
patch_url = wrap.get('patch_url')
patch_url = self.wrap.get('patch_url')
branch, revision = wraptool.parse_patch_url(patch_url)
except WrapException:
return
new_branch, new_revision = wraptool.get_latest_version(wrap.name)
new_branch, new_revision = wraptool.get_latest_version(self.wrap.name)
if new_branch != branch or new_revision != revision:
wraptool.update_wrap_file(wrap.filename, wrap.name, new_branch, new_revision)
mlog.log(' -> New wrap file downloaded.')
wraptool.update_wrap_file(self.wrap.filename, self.wrap.name, new_branch, new_revision)
self.log(' -> New wrap file downloaded.')
def update_file(r, wrap, repo_dir, options):
update_wrapdb_file(wrap)
if not os.path.isdir(repo_dir):
def update_file(self):
self.update_wrapdb_file()
if not os.path.isdir(self.repo_dir):
# The subproject is not needed, or it is a tarball extracted in
# 'libfoo-1.0' directory and the version has been bumped and the new
# directory is 'libfoo-2.0'. In that case forcing a meson
# reconfigure will download and use the new tarball.
mlog.log(' -> Not used.')
self.log(' -> Not used.')
return True
elif options.reset:
elif self.options.reset:
# Delete existing directory and redownload. It is possible that nothing
# changed but we have no way to know. Hopefully tarballs are still
# cached.
windows_proof_rmtree(repo_dir)
windows_proof_rmtree(self.repo_dir)
try:
r.resolve(wrap.name, 'meson')
mlog.log(' -> New version extracted')
self.wrap_resolver.resolve(self.wrap.name, 'meson')
self.log(' -> New version extracted')
return True
except WrapException as e:
mlog.log(' ->', mlog.red(str(e)))
self.log(' ->', mlog.red(str(e)))
return False
else:
# The subproject has not changed, or the new source and/or patch
# tarballs should be extracted in the same directory than previous
# version.
mlog.log(' -> Subproject has not changed, or the new source/patch needs to be extracted on the same location.')
mlog.log(' Pass --reset option to delete directory and redownload.')
self.log(' -> Subproject has not changed, or the new source/patch needs to be extracted on the same location.')
self.log(' Pass --reset option to delete directory and redownload.')
return False
def git_output(cmd, workingdir):
return quiet_git(cmd, workingdir, check=True)[1]
def git_output(self, cmd):
return quiet_git(cmd, self.repo_dir, check=True)[1]
def git_stash(workingdir):
def git_verbose(self, cmd):
self.log(self.git_output(cmd))
def git_stash(self):
# That git command return 1 (failure) when there is something to stash.
# We don't want to stash when there is nothing to stash because that would
# print spurious "No local changes to save".
if not quiet_git(['diff', '--quiet', 'HEAD'], workingdir)[0]:
if not quiet_git(['diff', '--quiet', 'HEAD'], self.repo_dir)[0]:
# Don't pipe stdout here because we want the user to see their changes have
# been saved.
verbose_git(['stash'], workingdir, check=True)
self.git_verbose(['stash'])
def git_show(repo_dir):
commit_message = git_output(['show', '--quiet', '--pretty=format:%h%n%d%n%s%n[%an]'], repo_dir)
def git_show(self):
commit_message = self.git_output(['show', '--quiet', '--pretty=format:%h%n%d%n%s%n[%an]'])
parts = [s.strip() for s in commit_message.split('\n')]
mlog.log(' ->', mlog.yellow(parts[0]), mlog.red(parts[1]), parts[2], mlog.blue(parts[3]))
self.log(' ->', mlog.yellow(parts[0]), mlog.red(parts[1]), parts[2], mlog.blue(parts[3]))
def git_rebase(repo_dir, revision):
def git_rebase(self, revision):
try:
git_output(['-c', 'rebase.autoStash=true', 'rebase', 'FETCH_HEAD'], repo_dir)
self.git_output(['-c', 'rebase.autoStash=true', 'rebase', 'FETCH_HEAD'])
except GitException as e:
mlog.log(' -> Could not rebase', mlog.bold(repo_dir), 'onto', mlog.bold(revision))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Could not rebase', mlog.bold(self.repo_dir), 'onto', mlog.bold(revision))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
return True
def git_reset(repo_dir, revision):
def git_reset(self, revision):
try:
# Stash local changes, commits can always be found back in reflog, to
# avoid any data lost by mistake.
git_stash(repo_dir)
git_output(['reset', '--hard', 'FETCH_HEAD'], repo_dir)
self.git_stash()
self.git_output(['reset', '--hard', 'FETCH_HEAD'])
except GitException as e:
mlog.log(' -> Could not reset', mlog.bold(repo_dir), 'to', mlog.bold(revision))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Could not reset', mlog.bold(repo_dir), 'to', mlog.bold(revision))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
return True
def git_checkout(repo_dir, revision, create=False):
def git_checkout(self, revision, create=False):
cmd = ['checkout', '--ignore-other-worktrees', revision, '--']
if create:
cmd.insert('-b', 1)
try:
# Stash local changes, commits can always be found back in reflog, to
# avoid any data lost by mistake.
git_stash(repo_dir)
git_output(cmd, repo_dir)
self.git_stash()
self.git_output(cmd)
except GitException as e:
mlog.log(' -> Could not checkout', mlog.bold(revision), 'in', mlog.bold(repo_dir))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Could not checkout', mlog.bold(revision), 'in', mlog.bold(self.repo_dir))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
return True
def git_checkout_and_reset(repo_dir, revision):
def git_checkout_and_reset(self, revision):
# revision could be a branch that already exists but is outdated, so we still
# have to reset after the checkout.
success = git_checkout(repo_dir, revision)
success = self.git_checkout(revision)
if success:
success = git_reset(repo_dir, revision)
success = self.git_reset(revision)
return success
def git_checkout_and_rebase(repo_dir, revision):
def git_checkout_and_rebase(self, revision):
# revision could be a branch that already exists but is outdated, so we still
# have to rebase after the checkout.
success = git_checkout(repo_dir, revision)
success = self.git_checkout(revision)
if success:
success = git_rebase(repo_dir, revision)
success = self.git_rebase(revision)
return success
def update_git(r, wrap, repo_dir, options):
if not os.path.isdir(repo_dir):
mlog.log(' -> Not used.')
def update_git(self):
if not os.path.isdir(self.repo_dir):
self.log(' -> Not used.')
return True
if not os.path.exists(os.path.join(repo_dir, '.git')):
if options.reset:
if not os.path.exists(os.path.join(self.repo_dir, '.git')):
if self.options.reset:
# Delete existing directory and redownload
windows_proof_rmtree(repo_dir)
windows_proof_rmtree(self.repo_dir)
try:
r.resolve(wrap.name, 'meson')
update_git_done(repo_dir)
self.wrap_resolver.resolve(self.wrap.name, 'meson')
self.update_git_done()
return True
except WrapException as e:
mlog.log(' ->', mlog.red(str(e)))
self.log(' ->', mlog.red(str(e)))
return False
else:
mlog.log(' -> Not a git repository.')
mlog.log('Pass --reset option to delete directory and redownload.')
self.log(' -> Not a git repository.')
self.log('Pass --reset option to delete directory and redownload.')
return False
revision = wrap.values.get('revision')
url = wrap.values.get('url')
push_url = wrap.values.get('push-url')
revision = self.wrap.values.get('revision')
url = self.wrap.values.get('url')
push_url = self.wrap.values.get('push-url')
if not revision or not url:
# It could be a detached git submodule for example.
mlog.log(' -> No revision or URL specified.')
self.log(' -> No revision or URL specified.')
return True
try:
origin_url = git_output(['remote', 'get-url', 'origin'], repo_dir).strip()
origin_url = self.git_output(['remote', 'get-url', 'origin']).strip()
except GitException as e:
mlog.log(' -> Failed to determine current origin URL in', mlog.bold(repo_dir))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Failed to determine current origin URL in', mlog.bold(self.repo_dir))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
if options.reset:
if self.options.reset:
try:
git_output(['remote', 'set-url', 'origin', url], repo_dir)
self.git_output(['remote', 'set-url', 'origin', url])
if push_url:
git_output(['remote', 'set-url', '--push', 'origin', push_url], repo_dir)
self.git_output(['remote', 'set-url', '--push', 'origin', push_url])
except GitException as e:
mlog.log(' -> Failed to reset origin URL in', mlog.bold(repo_dir))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Failed to reset origin URL in', mlog.bold(self.repo_dir))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
elif url != origin_url:
mlog.log(f' -> URL changed from {origin_url!r} to {url!r}')
self.log(f' -> URL changed from {origin_url!r} to {url!r}')
return False
try:
# Same as `git branch --show-current` but compatible with older git version
branch = git_output(['rev-parse', '--abbrev-ref', 'HEAD'], repo_dir).strip()
branch = self.git_output(['rev-parse', '--abbrev-ref', 'HEAD']).strip()
branch = branch if branch != 'HEAD' else ''
except GitException as e:
mlog.log(' -> Failed to determine current branch in', mlog.bold(repo_dir))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Failed to determine current branch in', mlog.bold(self.repo_dir))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
try:
# Fetch only the revision we need, this avoids fetching useless branches.
@ -185,64 +253,64 @@ def update_git(r, wrap, repo_dir, options):
# https://github.com/mesonbuild/meson/pull/7723#discussion_r488816189.
heads_refmap = '+refs/heads/*:refs/remotes/origin/*'
tags_refmap = '+refs/tags/*:refs/tags/*'
git_output(['fetch', '--refmap', heads_refmap, '--refmap', tags_refmap, 'origin', revision], repo_dir)
self.git_output(['fetch', '--refmap', heads_refmap, '--refmap', tags_refmap, 'origin', revision])
except GitException as e:
mlog.log(' -> Could not fetch revision', mlog.bold(revision), 'in', mlog.bold(repo_dir))
mlog.log(mlog.red(e.output))
mlog.log(mlog.red(str(e)))
self.log(' -> Could not fetch revision', mlog.bold(revision), 'in', mlog.bold(self.repo_dir))
self.log(mlog.red(e.output))
self.log(mlog.red(str(e)))
return False
if branch == '':
# We are currently in detached mode
if options.reset:
success = git_checkout_and_reset(repo_dir, revision)
if self.options.reset:
success = self.git_checkout_and_reset(revision)
else:
success = git_checkout_and_rebase(repo_dir, revision)
success = self.git_checkout_and_rebase(revision)
elif branch == revision:
# We are in the same branch. A reset could still be needed in the case
# a force push happened on remote repository.
if options.reset:
success = git_reset(repo_dir, revision)
if self.options.reset:
success = self.git_reset(revision)
else:
success = git_rebase(repo_dir, revision)
success = self.git_rebase(revision)
else:
# We are in another branch, either the user created their own branch and
# we should rebase it, or revision changed in the wrap file and we need
# to checkout the new branch.
if options.reset:
success = git_checkout_and_reset(repo_dir, revision)
if self.options.reset:
success = self.git_checkout_and_reset(revision)
else:
success = git_rebase(repo_dir, revision)
success = self.git_rebase(revision)
if success:
update_git_done(repo_dir)
self.update_git_done()
return success
def update_git_done(repo_dir):
git_output(['submodule', 'update', '--checkout', '--recursive'], repo_dir)
git_show(repo_dir)
def update_git_done(self):
self.git_output(['submodule', 'update', '--checkout', '--recursive'])
self.git_show()
def update_hg(r, wrap, repo_dir, options):
if not os.path.isdir(repo_dir):
mlog.log(' -> Not used.')
def update_hg(self):
if not os.path.isdir(self.repo_dir):
self.log(' -> Not used.')
return True
revno = wrap.get('revision')
revno = self.wrap.get('revision')
if revno.lower() == 'tip':
# Failure to do pull is not a fatal error,
# because otherwise you can't develop without
# a working net connection.
subprocess.call(['hg', 'pull'], cwd=repo_dir)
subprocess.call(['hg', 'pull'], cwd=self.repo_dir)
else:
if subprocess.call(['hg', 'checkout', revno], cwd=repo_dir) != 0:
subprocess.check_call(['hg', 'pull'], cwd=repo_dir)
subprocess.check_call(['hg', 'checkout', revno], cwd=repo_dir)
if subprocess.call(['hg', 'checkout', revno], cwd=self.repo_dir) != 0:
subprocess.check_call(['hg', 'pull'], cwd=self.repo_dir)
subprocess.check_call(['hg', 'checkout', revno], cwd=self.repo_dir)
return True
def update_svn(r, wrap, repo_dir, options):
if not os.path.isdir(repo_dir):
mlog.log(' -> Not used.')
def update_svn(self):
if not os.path.isdir(self.repo_dir):
self.log(' -> Not used.')
return True
revno = wrap.get('revision')
p, out, _ = Popen_safe(['svn', 'info', '--show-item', 'revision', repo_dir])
revno = self.wrap.get('revision')
p, out, _ = Popen_safe(['svn', 'info', '--show-item', 'revision', self.repo_dir])
current_revno = out
if current_revno == revno:
return True
@ -250,131 +318,143 @@ def update_svn(r, wrap, repo_dir, options):
# Failure to do pull is not a fatal error,
# because otherwise you can't develop without
# a working net connection.
subprocess.call(['svn', 'update'], cwd=repo_dir)
subprocess.call(['svn', 'update'], cwd=self.repo_dir)
else:
subprocess.check_call(['svn', 'update', '-r', revno], cwd=repo_dir)
subprocess.check_call(['svn', 'update', '-r', revno], cwd=self.repo_dir)
return True
def update(r, wrap, repo_dir, options):
mlog.log(f'Updating {wrap.name}...')
if wrap.type == 'file':
return update_file(r, wrap, repo_dir, options)
elif wrap.type == 'git':
return update_git(r, wrap, repo_dir, options)
elif wrap.type == 'hg':
return update_hg(r, wrap, repo_dir, options)
elif wrap.type == 'svn':
return update_svn(r, wrap, repo_dir, options)
elif wrap.type is None:
mlog.log(' -> Cannot update subproject with no wrap file')
def update(self):
self.log(f'Updating {self.wrap.name}...')
if self.wrap.type == 'file':
return self.update_file()
elif self.wrap.type == 'git':
return self.update_git()
elif self.wrap.type == 'hg':
return self.update_hg()
elif self.wrap.type == 'svn':
return self.update_svn()
elif self.wrap.type is None:
self.log(' -> Cannot update subproject with no wrap file')
else:
mlog.log(' -> Cannot update', wrap.type, 'subproject')
self.log(' -> Cannot update', self.wrap.type, 'subproject')
return True
def checkout(r, wrap, repo_dir, options):
if wrap.type != 'git' or not os.path.isdir(repo_dir):
def checkout(self):
if self.wrap.type != 'git' or not os.path.isdir(self.repo_dir):
return True
branch_name = options.branch_name if options.branch_name else wrap.get('revision')
branch_name = self.options.branch_name if self.options.branch_name else self.wrap.get('revision')
if not branch_name:
# It could be a detached git submodule for example.
return True
mlog.log(f'Checkout {branch_name} in {wrap.name}...')
if git_checkout(repo_dir, branch_name, create=options.b):
git_show(repo_dir)
self.log(f'Checkout {branch_name} in {self.wrap.name}...')
if self.git_checkout(branch_name, create=self.options.b):
self.git_show()
return True
return False
def download(r, wrap, repo_dir, options):
mlog.log(f'Download {wrap.name}...')
if os.path.isdir(repo_dir):
mlog.log(' -> Already downloaded')
def download(self):
self.log(f'Download {self.wrap.name}...')
if os.path.isdir(self.repo_dir):
self.log(' -> Already downloaded')
return True
try:
r.resolve(wrap.name, 'meson')
mlog.log(' -> done')
self.wrap_resolver.resolve(self.wrap.name, 'meson')
self.log(' -> done')
except WrapException as e:
mlog.log(' ->', mlog.red(str(e)))
self.log(' ->', mlog.red(str(e)))
return False
return True
def foreach(r, wrap, repo_dir, options):
mlog.log(f'Executing command in {repo_dir}')
if not os.path.isdir(repo_dir):
mlog.log(' -> Not downloaded yet')
def foreach(self):
self.log(f'Executing command in {self.repo_dir}')
if not os.path.isdir(self.repo_dir):
self.log(' -> Not downloaded yet')
return True
cmd = [options.command] + options.args
p, out, _ = Popen_safe(cmd, stderr=subprocess.STDOUT, cwd=repo_dir)
cmd = [self.options.command] + self.options.args
p, out, _ = Popen_safe(cmd, stderr=subprocess.STDOUT, cwd=self.repo_dir)
if p.returncode != 0:
err_message = "Command '{}' returned non-zero exit status {}.".format(" ".join(cmd), p.returncode)
mlog.log(' -> ', mlog.red(err_message))
mlog.log(out, end='')
self.log(' -> ', mlog.red(err_message))
self.log(out, end='')
return False
mlog.log(out, end='')
self.log(out, end='')
return True
def purge(r: Resolver, wrap: PackageDefinition, repo_dir: str, options: argparse.Namespace) -> bool:
def purge(self) -> bool:
# if subproject is not wrap-based, then don't remove it
if not wrap.type:
if not self.wrap.type:
return True
if wrap.type == 'redirect':
redirect_file = Path(wrap.filename).resolve()
if options.confirm:
if self.wrap.type == 'redirect':
redirect_file = Path(self.wrap.filename).resolve()
if self.options.confirm:
redirect_file.unlink()
mlog.log(f'Deleting {redirect_file}')
self.log(f'Deleting {redirect_file}')
if options.include_cache:
packagecache = Path(r.cachedir).resolve()
if self.options.include_cache:
packagecache = Path(self.wrap_resolver.cachedir).resolve()
try:
subproject_cache_file = packagecache / wrap.get("source_filename")
subproject_cache_file = packagecache / self.wrap.get("source_filename")
if subproject_cache_file.is_file():
if options.confirm:
if self.options.confirm:
subproject_cache_file.unlink()
mlog.log(f'Deleting {subproject_cache_file}')
self.log(f'Deleting {subproject_cache_file}')
except WrapException:
pass
try:
subproject_patch_file = packagecache / wrap.get("patch_filename")
subproject_patch_file = packagecache / self.wrap.get("patch_filename")
if subproject_patch_file.is_file():
if options.confirm:
if self.options.confirm:
subproject_patch_file.unlink()
mlog.log(f'Deleting {subproject_patch_file}')
self.log(f'Deleting {subproject_patch_file}')
except WrapException:
pass
# Don't log that we will remove an empty directory
if packagecache.exists() and not any(packagecache.iterdir()):
# Don't log that we will remove an empty directory. Since purge is
# parallelized, another thread could have deleted it already.
try:
if not any(packagecache.iterdir()):
packagecache.rmdir()
except FileNotFoundError:
pass
subproject_source_dir = Path(repo_dir).resolve()
subproject_source_dir = Path(self.repo_dir).resolve()
# Don't follow symlink. This is covered by the next if statement, but why
# not be doubly sure.
if subproject_source_dir.is_symlink():
if options.confirm:
if self.options.confirm:
subproject_source_dir.unlink()
mlog.log(f'Deleting {subproject_source_dir}')
self.log(f'Deleting {subproject_source_dir}')
return True
if not subproject_source_dir.is_dir():
return True
try:
if options.confirm:
if self.options.confirm:
windows_proof_rmtree(str(subproject_source_dir))
mlog.log(f'Deleting {subproject_source_dir}')
self.log(f'Deleting {subproject_source_dir}')
except OSError as e:
mlog.error(f'Unable to remove: {subproject_source_dir}: {e}')
return False
return True
@staticmethod
def post_purge(options):
if not options.confirm:
mlog.log('')
mlog.log('Nothing has been deleted, run again with --confirm to apply.')
def add_common_arguments(p):
p.add_argument('--sourcedir', default='.',
help='Path to source directory')
p.add_argument('--types', default='',
help=f'Comma-separated list of subproject types. Supported types are: {ALL_TYPES_STRING} (default: all)')
p.add_argument('--num-processes', default=None, type=int,
help='How many parallel processes to use (Since 0.59.0).')
def add_subprojects_argument(p):
p.add_argument('subprojects', nargs='*',
@ -392,7 +472,7 @@ def add_arguments(parser):
help='Checkout wrap\'s revision and hard reset to that commit. (git only)')
add_common_arguments(p)
add_subprojects_argument(p)
p.set_defaults(subprojects_func=update)
p.set_defaults(subprojects_func=Runner.update)
p = subparsers.add_parser('checkout', help='Checkout a branch (git only)')
p.add_argument('-b', default=False, action='store_true',
@ -401,14 +481,14 @@ def add_arguments(parser):
help='Name of the branch to checkout or create (default: revision set in wrap file)')
add_common_arguments(p)
add_subprojects_argument(p)
p.set_defaults(subprojects_func=checkout)
p.set_defaults(subprojects_func=Runner.checkout)
p = subparsers.add_parser('download', help='Ensure subprojects are fetched, even if not in use. ' +
'Already downloaded subprojects are not modified. ' +
'This can be used to pre-fetch all subprojects and avoid downloads during configure.')
add_common_arguments(p)
add_subprojects_argument(p)
p.set_defaults(subprojects_func=download)
p.set_defaults(subprojects_func=Runner.download)
p = subparsers.add_parser('foreach', help='Execute a command in each subproject directory.')
p.add_argument('command', metavar='command ...',
@ -417,14 +497,15 @@ def add_arguments(parser):
help=argparse.SUPPRESS)
add_common_arguments(p)
p.set_defaults(subprojects=[])
p.set_defaults(subprojects_func=foreach)
p.set_defaults(subprojects_func=Runner.foreach)
p = subparsers.add_parser('purge', help='Remove all wrap-based subproject artifacts')
add_common_arguments(p)
add_subprojects_argument(p)
p.add_argument('--include-cache', action='store_true', default=False, help='Remove the package cache as well')
p.add_argument('--confirm', action='store_true', default=False, help='Confirm the removal of subproject artifacts')
p.set_defaults(subprojects_func=purge)
p.set_defaults(subprojects_func=Runner.purge)
p.set_defaults(post_func=Runner.post_purge)
def run(options):
src_dir = os.path.relpath(os.path.realpath(options.sourcedir))
@ -444,13 +525,25 @@ def run(options):
for t in types:
if t not in ALL_TYPES:
raise MesonException(f'Unknown subproject type {t!r}, supported types are: {ALL_TYPES_STRING}')
failures = []
tasks = []
task_names = []
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(options.num_processes)
if types:
wraps = [wrap for wrap in wraps if wrap.type in types]
logger = Logger(len(wraps))
for wrap in wraps:
if types and wrap.type not in types:
continue
dirname = Path(subprojects_dir, wrap.directory).as_posix()
if not options.subprojects_func(r, wrap, dirname, options):
failures.append(wrap.name)
runner = Runner(logger, r, wrap, dirname, options)
task = loop.run_in_executor(executor, runner.run)
tasks.append(task)
task_names.append(wrap.name)
results = loop.run_until_complete(asyncio.gather(*tasks))
logger.flush()
post_func = getattr(options, 'post_func', None)
if post_func:
post_func(options)
failures = [name for name, success in zip(task_names, results) if not success]
if failures:
m = 'Please check logs above as command failed in some subprojects which could have been left in conflict state: '
m += ', '.join(failures)

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