The Meson Build System
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232 lines
8.7 KiB
232 lines
8.7 KiB
# Copyright 2017 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import gzip |
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import os |
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import sys |
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import shutil |
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import subprocess |
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import hashlib |
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import json |
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from glob import glob |
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from pathlib import Path |
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from mesonbuild.environment import detect_ninja |
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from mesonbuild.mesonlib import windows_proof_rmtree, MesonException |
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from mesonbuild import mlog, build |
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archive_choices = ['gztar', 'xztar', 'zip'] |
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archive_extension = {'gztar': '.tar.gz', |
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'xztar': '.tar.xz', |
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'zip': '.zip'} |
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def add_arguments(parser): |
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parser.add_argument('-C', default='.', dest='wd', |
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help='directory to cd into before running') |
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parser.add_argument('--formats', default='xztar', |
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help='Comma separated list of archive types to create.') |
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def create_hash(fname): |
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hashname = fname + '.sha256sum' |
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m = hashlib.sha256() |
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m.update(open(fname, 'rb').read()) |
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with open(hashname, 'w') as f: |
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f.write('%s %s\n' % (m.hexdigest(), os.path.basename(fname))) |
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def del_gitfiles(dirname): |
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for f in glob(os.path.join(dirname, '.git*')): |
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if os.path.isdir(f) and not os.path.islink(f): |
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windows_proof_rmtree(f) |
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else: |
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os.unlink(f) |
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def process_submodules(dirname): |
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module_file = os.path.join(dirname, '.gitmodules') |
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if not os.path.exists(module_file): |
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return |
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subprocess.check_call(['git', 'submodule', 'update', '--init', '--recursive'], cwd=dirname) |
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for line in open(module_file): |
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line = line.strip() |
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if '=' not in line: |
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continue |
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k, v = line.split('=', 1) |
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k = k.strip() |
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v = v.strip() |
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if k != 'path': |
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continue |
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del_gitfiles(os.path.join(dirname, v)) |
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def run_dist_scripts(dist_root, dist_scripts): |
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assert(os.path.isabs(dist_root)) |
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env = os.environ.copy() |
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env['MESON_DIST_ROOT'] = dist_root |
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for d in dist_scripts: |
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script = d['exe'] |
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args = d['args'] |
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name = ' '.join(script + args) |
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print('Running custom dist script {!r}'.format(name)) |
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try: |
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rc = subprocess.call(script + args, env=env) |
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if rc != 0: |
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sys.exit('Dist script errored out') |
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except OSError: |
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print('Failed to run dist script {!r}'.format(name)) |
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sys.exit(1) |
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def git_have_dirty_index(src_root): |
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'''Check whether there are uncommitted changes in git''' |
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ret = subprocess.call(['git', '-C', src_root, 'diff-index', '--quiet', 'HEAD']) |
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return ret == 1 |
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def create_dist_git(dist_name, archives, src_root, bld_root, dist_sub, dist_scripts): |
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if git_have_dirty_index(src_root): |
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mlog.warning('Repository has uncommitted changes that will not be included in the dist tarball') |
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distdir = os.path.join(dist_sub, dist_name) |
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if os.path.exists(distdir): |
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shutil.rmtree(distdir) |
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os.makedirs(distdir) |
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subprocess.check_call(['git', 'clone', '--shared', src_root, distdir]) |
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process_submodules(distdir) |
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del_gitfiles(distdir) |
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run_dist_scripts(distdir, dist_scripts) |
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output_names = [] |
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for a in archives: |
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compressed_name = distdir + archive_extension[a] |
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shutil.make_archive(distdir, a, root_dir=dist_sub, base_dir=dist_name) |
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output_names.append(compressed_name) |
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shutil.rmtree(distdir) |
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return output_names |
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def hg_have_dirty_index(src_root): |
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'''Check whether there are uncommitted changes in hg''' |
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out = subprocess.check_output(['hg', '-R', src_root, 'summary']) |
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return b'commit: (clean)' not in out |
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def create_dist_hg(dist_name, archives, src_root, bld_root, dist_sub, dist_scripts): |
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if hg_have_dirty_index(src_root): |
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mlog.warning('Repository has uncommitted changes that will not be included in the dist tarball') |
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os.makedirs(dist_sub, exist_ok=True) |
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tarname = os.path.join(dist_sub, dist_name + '.tar') |
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xzname = tarname + '.xz' |
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gzname = tarname + '.gz' |
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zipname = os.path.join(dist_sub, dist_name + '.zip') |
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subprocess.check_call(['hg', 'archive', '-R', src_root, '-S', '-t', 'tar', tarname]) |
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output_names = [] |
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if dist_scripts: |
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mlog.warning('dist scripts are not supported in Mercurial projects') |
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if 'xztar' in archives: |
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import lzma |
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with lzma.open(xzname, 'wb') as xf, open(tarname, 'rb') as tf: |
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shutil.copyfileobj(tf, xf) |
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output_names.append(xzname) |
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if 'gztar' in archives: |
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with gzip.open(gzname, 'wb') as zf, open(tarname, 'rb') as tf: |
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shutil.copyfileobj(tf, zf) |
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output_names.append(gzname) |
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os.unlink(tarname) |
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if 'zip' in archives: |
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subprocess.check_call(['hg', 'archive', '-R', src_root, '-S', '-t', 'zip', zipname]) |
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output_names.append(zipname) |
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return output_names |
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def check_dist(packagename, meson_command, bld_root, privdir): |
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print('Testing distribution package %s' % packagename) |
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unpackdir = os.path.join(privdir, 'dist-unpack') |
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builddir = os.path.join(privdir, 'dist-build') |
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installdir = os.path.join(privdir, 'dist-install') |
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for p in (unpackdir, builddir, installdir): |
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if os.path.exists(p): |
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shutil.rmtree(p) |
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os.mkdir(p) |
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ninja_bin = detect_ninja() |
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try: |
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shutil.unpack_archive(packagename, unpackdir) |
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unpacked_files = glob(os.path.join(unpackdir, '*')) |
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assert(len(unpacked_files) == 1) |
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unpacked_src_dir = unpacked_files[0] |
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with open(os.path.join(bld_root, 'meson-info', 'intro-buildoptions.json')) as boptions: |
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meson_command += ['-D{name}={value}'.format(**o) for o in json.load(boptions) |
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if o['name'] not in ['backend', 'install_umask']] |
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if subprocess.call(meson_command + ['--backend=ninja', unpacked_src_dir, builddir]) != 0: |
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print('Running Meson on distribution package failed') |
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return 1 |
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if subprocess.call([ninja_bin], cwd=builddir) != 0: |
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print('Compiling the distribution package failed') |
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return 1 |
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if subprocess.call([ninja_bin, 'test'], cwd=builddir) != 0: |
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print('Running unit tests on the distribution package failed') |
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return 1 |
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myenv = os.environ.copy() |
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myenv['DESTDIR'] = installdir |
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if subprocess.call([ninja_bin, 'install'], cwd=builddir, env=myenv) != 0: |
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print('Installing the distribution package failed') |
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return 1 |
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finally: |
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shutil.rmtree(unpackdir) |
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shutil.rmtree(builddir) |
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shutil.rmtree(installdir) |
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print('Distribution package %s tested' % packagename) |
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return 0 |
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def determine_archives_to_generate(options): |
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result = [] |
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for i in options.formats.split(','): |
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if i not in archive_choices: |
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sys.exit('Value "{}" not one of permitted values {}.'.format(i, archive_choices)) |
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result.append(i) |
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if len(i) == 0: |
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sys.exit('No archive types specified.') |
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return result |
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def run(options): |
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options.wd = os.path.abspath(options.wd) |
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buildfile = Path(options.wd) / 'meson-private' / 'build.dat' |
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if not buildfile.is_file(): |
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raise MesonException('Directory {!r} does not seem to be a Meson build directory.'.format(options.wd)) |
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b = build.load(options.wd) |
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# This import must be load delayed, otherwise it will get the default |
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# value of None. |
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from mesonbuild.mesonlib import meson_command |
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src_root = b.environment.source_dir |
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bld_root = b.environment.build_dir |
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priv_dir = os.path.join(bld_root, 'meson-private') |
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dist_sub = os.path.join(bld_root, 'meson-dist') |
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dist_name = b.project_name + '-' + b.project_version |
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archives = determine_archives_to_generate(options) |
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_git = os.path.join(src_root, '.git') |
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if os.path.isdir(_git) or os.path.isfile(_git): |
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names = create_dist_git(dist_name, archives, src_root, bld_root, dist_sub, b.dist_scripts) |
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elif os.path.isdir(os.path.join(src_root, '.hg')): |
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names = create_dist_hg(dist_name, archives, src_root, bld_root, dist_sub, b.dist_scripts) |
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else: |
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print('Dist currently only works with Git or Mercurial repos') |
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return 1 |
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if names is None: |
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return 1 |
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# Check only one. |
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rc = check_dist(names[0], meson_command, bld_root, priv_dir) |
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if rc == 0: |
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for name in names: |
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create_hash(name) |
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return rc
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