import os, subprocess import argparse from pathlib import Path from . import mlog from .mesonlib import quiet_git, verbose_git, GitException, Popen_safe, MesonException, windows_proof_rmtree from .wrap.wrap import API_ROOT, Resolver, WrapException, ALL_TYPES from .wrap import wraptool ALL_TYPES_STRING = ', '.join(ALL_TYPES) def update_wrapdb_file(wrap, repo_dir, options): patch_url = wrap.get('patch_url') branch, revision = wraptool.parse_patch_url(patch_url) new_branch, new_revision = wraptool.get_latest_version(wrap.name) if new_branch == branch and new_revision == revision: mlog.log(' -> Up to date.') return True wraptool.update_wrap_file(wrap.filename, wrap.name, new_branch, new_revision) msg = [' -> New wrap file downloaded.'] # Meson reconfigure won't use the new wrap file as long as the source # directory exists. We don't delete it ourself to avoid data loss in case # user has changes in their copy. if os.path.isdir(repo_dir): msg += ['To use it, delete', mlog.bold(repo_dir), 'and run', mlog.bold('meson --reconfigure')] mlog.log(*msg) return True def update_file(r, wrap, repo_dir, options): patch_url = wrap.values.get('patch_url', '') if patch_url.startswith(API_ROOT): return update_wrapdb_file(wrap, repo_dir, options) elif not os.path.isdir(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(' -> Subproject has not been checked out. Run', mlog.bold('meson --reconfigure'), 'to fetch it if needed.') 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.\n' + ' In that case, delete', mlog.bold(repo_dir), 'and run', mlog.bold('meson --reconfigure')) return True def git_output(cmd, workingdir): return quiet_git(cmd, workingdir, check=True)[1] def git_stash(workingdir): # 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]: # Don't pipe stdout here because we want the user to see their changes have # been saved. verbose_git(['stash'], workingdir, check=True) def git_show(repo_dir): commit_message = git_output(['show', '--quiet', '--pretty=format:%h%n%d%n%s%n[%an]'], repo_dir) 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])) def git_rebase(repo_dir, revision): try: git_output(['-c', 'rebase.autoStash=true', 'rebase', 'FETCH_HEAD'], repo_dir) 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))) return False return True def git_reset(repo_dir, 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) 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))) return False return True def git_checkout(repo_dir, 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) 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))) return False return True def git_checkout_and_reset(repo_dir, 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) if success: success = git_reset(repo_dir, revision) return success def git_checkout_and_rebase(repo_dir, 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) if success: success = git_rebase(repo_dir, revision) return success def update_git(r, wrap, repo_dir, options): if not os.path.isdir(repo_dir): mlog.log(' -> Not used.') return True if not os.path.exists(os.path.join(repo_dir, '.git')): if options.reset: # Delete existing directory and redownload windows_proof_rmtree(repo_dir) try: r.resolve(wrap.name, 'meson') update_git_done(repo_dir) return True except WrapException as e: mlog.log(' ->', mlog.red(str(e))) return False else: mlog.log(' -> Not a git repository.') mlog.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') if not revision or not url: # It could be a detached git submodule for example. mlog.log(' -> No revision or URL specified.') return True try: origin_url = git_output(['remote', 'get-url', 'origin'], repo_dir).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))) return False if options.reset: try: git_output(['remote', 'set-url', 'origin', url], repo_dir) if push_url: git_output(['remote', 'set-url', '--push', 'origin', push_url], repo_dir) 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))) return False elif url != origin_url: mlog.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 = 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))) 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/*' git_output(['fetch', '--refmap', heads_refmap, '--refmap', tags_refmap, 'origin', revision], repo_dir) 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))) return False if branch == '': # We are currently in detached mode if options.reset: success = git_checkout_and_reset(repo_dir, revision) else: success = git_checkout_and_rebase(repo_dir, 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) else: success = git_rebase(repo_dir, 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) else: success = git_rebase(repo_dir, revision) if success: update_git_done(repo_dir) return success def update_git_done(repo_dir): git_output(['submodule', 'update', '--checkout', '--recursive'], repo_dir) git_show(repo_dir) def update_hg(r, wrap, repo_dir, options): if not os.path.isdir(repo_dir): mlog.log(' -> Not used.') return True revno = 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) 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) return True def update_svn(r, wrap, repo_dir, options): if not os.path.isdir(repo_dir): mlog.log(' -> Not used.') return True revno = wrap.get('revision') p, out, _ = Popen_safe(['svn', 'info', '--show-item', 'revision', 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=repo_dir) else: subprocess.check_call(['svn', 'update', '-r', revno], cwd=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) else: mlog.log(' -> Cannot update', wrap.type, 'subproject') return True def checkout(r, wrap, repo_dir, options): if wrap.type != 'git' or not os.path.isdir(repo_dir): return True branch_name = options.branch_name if options.branch_name else 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) 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') return True try: r.resolve(wrap.name, 'meson') mlog.log(' -> done') except WrapException as e: mlog.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') return True cmd = [options.command] + options.args p, out, _ = Popen_safe(cmd, stderr=subprocess.STDOUT, cwd=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='') return False mlog.log(out, end='') return True 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)') 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=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=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 = 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=foreach) 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}') failures = [] 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) 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)