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, 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) 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 = self.wrap.get('patch_url') branch, revision = wraptool.parse_patch_url(patch_url) except WrapException: return new_branch, new_revision = wraptool.get_latest_version(self.wrap.name) if new_branch != branch or new_revision != revision: wraptool.update_wrap_file(self.wrap.filename, self.wrap.name, new_branch, new_revision) self.log(' -> New wrap file downloaded.') 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. self.log(' -> Not used.') return True 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(self.repo_dir) try: self.wrap_resolver.resolve(self.wrap.name, 'meson') self.log(' -> New version extracted') return True except WrapException as 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. 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(self, cmd): return quiet_git(cmd, self.repo_dir, check=True)[1] 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'], self.repo_dir)[0]: # Don't pipe stdout here because we want the user to see their changes have # been saved. self.git_verbose(['stash']) 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')] self.log(' ->', mlog.yellow(parts[0]), mlog.red(parts[1]), parts[2], mlog.blue(parts[3])) def git_rebase(self, revision): try: self.git_output(['-c', 'rebase.autoStash=true', 'rebase', 'FETCH_HEAD']) except GitException as 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(self, revision): try: # Stash local changes, commits can always be found back in reflog, to # avoid any data lost by mistake. self.git_stash() self.git_output(['reset', '--hard', 'FETCH_HEAD']) except GitException as 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(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. self.git_stash() self.git_output(cmd) except GitException as 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(self, revision): # revision could be a branch that already exists but is outdated, so we still # have to reset after the checkout. success = self.git_checkout(revision) if success: success = self.git_reset(revision) return success 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 = self.git_checkout(revision) if success: success = self.git_rebase(revision) return success 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(self.repo_dir, '.git')): if self.options.reset: # Delete existing directory and redownload windows_proof_rmtree(self.repo_dir) try: self.wrap_resolver.resolve(self.wrap.name, 'meson') self.update_git_done() return True except WrapException as e: self.log(' ->', mlog.red(str(e))) return False else: self.log(' -> Not a git repository.') self.log('Pass --reset option to delete directory and redownload.') return False 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. self.log(' -> No revision or URL specified.') return True try: origin_url = self.git_output(['remote', 'get-url', 'origin']).strip() except GitException as 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 self.options.reset: try: self.git_output(['remote', 'set-url', 'origin', url]) if push_url: self.git_output(['remote', 'set-url', '--push', 'origin', push_url]) except GitException as 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: 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 = self.git_output(['rev-parse', '--abbrev-ref', 'HEAD']).strip() branch = branch if branch != 'HEAD' else '' except GitException as 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. # revision can be either a branch, tag or commit id. In all cases we want # FETCH_HEAD to be set to the desired commit and "git checkout " # to to either switch to existing/new branch, or detach to tag/commit. # It is more complicated than it first appear, see discussion there: # https://github.com/mesonbuild/meson/pull/7723#discussion_r488816189. heads_refmap = '+refs/heads/*:refs/remotes/origin/*' tags_refmap = '+refs/tags/*:refs/tags/*' self.git_output(['fetch', '--refmap', heads_refmap, '--refmap', tags_refmap, 'origin', revision]) except GitException as 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 self.options.reset: success = self.git_checkout_and_reset(revision) else: 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 self.options.reset: success = self.git_reset(revision) else: 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 self.options.reset: success = self.git_checkout_and_reset(revision) else: success = self.git_rebase(revision) if success: self.update_git_done() return success def update_git_done(self): self.git_output(['submodule', 'update', '--checkout', '--recursive']) self.git_show() def update_hg(self): if not os.path.isdir(self.repo_dir): self.log(' -> Not used.') return True 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=self.repo_dir) else: 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(self): if not os.path.isdir(self.repo_dir): self.log(' -> Not used.') return True 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 if revno.lower() == 'head': # 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=self.repo_dir) else: subprocess.check_call(['svn', 'update', '-r', revno], cwd=self.repo_dir) return True 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: self.log(' -> Cannot update', self.wrap.type, 'subproject') return True def checkout(self): if self.wrap.type != 'git' or not os.path.isdir(self.repo_dir): return True 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 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(self): self.log(f'Download {self.wrap.name}...') if os.path.isdir(self.repo_dir): self.log(' -> Already downloaded') return True try: self.wrap_resolver.resolve(self.wrap.name, 'meson') self.log(' -> done') except WrapException as e: self.log(' ->', mlog.red(str(e))) return False return True 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 = [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) self.log(' -> ', mlog.red(err_message)) self.log(out, end='') return False self.log(out, end='') return True def purge(self) -> bool: # if subproject is not wrap-based, then don't remove it if not self.wrap.type: return True if self.wrap.redirected: redirect_file = Path(self.wrap.original_filename).resolve() if self.options.confirm: redirect_file.unlink() mlog.log(f'Deleting {redirect_file}') if self.wrap.type == 'redirect': redirect_file = Path(self.wrap.filename).resolve() if self.options.confirm: redirect_file.unlink() self.log(f'Deleting {redirect_file}') if self.options.include_cache: packagecache = Path(self.wrap_resolver.cachedir).resolve() try: subproject_cache_file = packagecache / self.wrap.get("source_filename") if subproject_cache_file.is_file(): if self.options.confirm: subproject_cache_file.unlink() self.log(f'Deleting {subproject_cache_file}') except WrapException: pass try: subproject_patch_file = packagecache / self.wrap.get("patch_filename") if subproject_patch_file.is_file(): if self.options.confirm: subproject_patch_file.unlink() self.log(f'Deleting {subproject_patch_file}') except WrapException: pass # 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()): windows_proof_rmtree(str(packagecache)) except FileNotFoundError: pass 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 self.options.confirm: subproject_source_dir.unlink() self.log(f'Deleting {subproject_source_dir}') return True if not subproject_source_dir.is_dir(): return True try: if self.options.confirm: windows_proof_rmtree(str(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='*', help='List of subprojects (default: all)') def add_arguments(parser): subparsers = parser.add_subparsers(title='Commands', dest='command') subparsers.required = True p = subparsers.add_parser('update', help='Update all subprojects from wrap files') p.add_argument('--rebase', default=True, action='store_true', help='Rebase your branch on top of wrap\'s revision. ' + \ 'Deprecated, it is now the default behaviour. (git only)') p.add_argument('--reset', default=False, action='store_true', 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=Runner.update) p = subparsers.add_parser('checkout', help='Checkout a branch (git only)') p.add_argument('-b', default=False, action='store_true', help='Create a new branch') p.add_argument('branch_name', nargs='?', 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=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=Runner.download) p = subparsers.add_parser('foreach', help='Execute a command in each subproject directory.') p.add_argument('command', metavar='command ...', help='Command to execute in each subproject directory') p.add_argument('args', nargs=argparse.REMAINDER, help=argparse.SUPPRESS) add_common_arguments(p) p.set_defaults(subprojects=[]) 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=Runner.purge) p.set_defaults(post_func=Runner.post_purge) def run(options): src_dir = os.path.relpath(os.path.realpath(options.sourcedir)) if not os.path.isfile(os.path.join(src_dir, 'meson.build')): mlog.error('Directory', mlog.bold(src_dir), 'does not seem to be a Meson source directory.') return 1 subprojects_dir = os.path.join(src_dir, 'subprojects') if not os.path.isdir(subprojects_dir): mlog.log('Directory', mlog.bold(src_dir), 'does not seem to have subprojects.') return 0 r = Resolver(src_dir, 'subprojects') if options.subprojects: wraps = [wrap for name, wrap in r.wraps.items() if name in options.subprojects] else: wraps = r.wraps.values() types = [t.strip() for t in options.types.split(',')] if options.types else [] for t in types: if t not in ALL_TYPES: raise MesonException(f'Unknown subproject type {t!r}, supported types are: {ALL_TYPES_STRING}') 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: dirname = Path(subprojects_dir, wrap.directory).as_posix() 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) mlog.warning(m) return len(failures)