mirror of
https://github.com/dolphin-emu/dolphin.git
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156 lines
5.0 KiB
Python
Executable File
156 lines
5.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2017 The Glslang Authors. All rights reserved.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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"""Get source files for Glslang and its dependencies from public repositories.
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"""
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from __future__ import print_function
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import argparse
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import json
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import distutils.dir_util
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import os.path
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import subprocess
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import sys
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KNOWN_GOOD_FILE = 'known_good.json'
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SITE_TO_KNOWN_GOOD_FILE = { 'github' : 'known_good.json',
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'gitlab' : 'known_good_khr.json' }
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# Maps a site name to its hostname.
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SITE_TO_HOST = { 'github' : 'https://github.com/',
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'gitlab' : 'git@gitlab.khronos.org:' }
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VERBOSE = True
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def command_output(cmd, directory, fail_ok=False):
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"""Runs a command in a directory and returns its standard output stream.
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Captures the standard error stream.
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Raises a RuntimeError if the command fails to launch or otherwise fails.
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"""
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if VERBOSE:
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print('In {d}: {cmd}'.format(d=directory, cmd=cmd))
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p = subprocess.Popen(cmd,
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cwd=directory,
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stdout=subprocess.PIPE)
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(stdout, _) = p.communicate()
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if p.returncode != 0 and not fail_ok:
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raise RuntimeError('Failed to run {} in {}'.format(cmd, directory))
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if VERBOSE:
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print(stdout)
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return stdout
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def command_retval(cmd, directory):
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"""Runs a command in a directory and returns its return value.
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Captures the standard error stream.
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"""
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p = subprocess.Popen(cmd,
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cwd=directory,
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stdout=subprocess.PIPE)
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(stdout, _) = p.communicate()
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return p.returncode
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class GoodCommit(object):
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"""Represents a good commit for a repository."""
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def __init__(self, json):
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"""Initializes this good commit object.
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Args:
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'json': A fully populated JSON object describing the commit.
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"""
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self._json = json
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self.name = json['name']
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self.site = json['site']
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self.subrepo = json['subrepo']
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self.subdir = json['subdir'] if ('subdir' in json) else '.'
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self.commit = json['commit']
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def GetUrl(self):
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"""Returns the URL for the repository."""
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host = SITE_TO_HOST[self.site]
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return '{host}{subrepo}'.format(
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host=host,
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subrepo=self.subrepo)
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def AddRemote(self):
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"""Add the remote 'known-good' if it does not exist."""
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print('Ignore "fatal" errors for missing known-good remote:')
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if command_retval(['git', 'remote', 'show', 'known-good'], self.subdir) != 0:
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command_output(['git', 'remote', 'add', 'known-good', self.GetUrl()], self.subdir)
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def HasCommit(self):
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"""Check if the repository contains the known-good commit."""
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return 0 == subprocess.call(['git', 'rev-parse', '--verify', '--quiet',
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self.commit + "^{commit}"],
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cwd=self.subdir)
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def Clone(self):
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distutils.dir_util.mkpath(self.subdir)
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command_output(['git', 'clone', self.GetUrl(), '.'], self.subdir)
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def Fetch(self):
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command_output(['git', 'fetch', 'known-good'], self.subdir)
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def Checkout(self):
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if not os.path.exists(os.path.join(self.subdir,'.git')):
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self.Clone()
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self.AddRemote()
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if not self.HasCommit():
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self.Fetch()
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command_output(['git', 'checkout', self.commit], self.subdir)
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def GetGoodCommits(site):
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"""Returns the latest list of GoodCommit objects."""
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known_good_file = SITE_TO_KNOWN_GOOD_FILE[site]
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with open(known_good_file) as known_good:
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return [GoodCommit(c) for c in json.loads(known_good.read())['commits']]
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def main():
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parser = argparse.ArgumentParser(description='Get Glslang source dependencies at a known-good commit')
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parser.add_argument('--dir', dest='dir', default='.',
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help="Set target directory for Glslang source root. Default is \'.\'.")
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parser.add_argument('--site', dest='site', default='github',
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help="Set git server site. Default is github.")
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args = parser.parse_args()
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commits = GetGoodCommits(args.site)
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distutils.dir_util.mkpath(args.dir)
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print('Change directory to {d}'.format(d=args.dir))
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os.chdir(args.dir)
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# Create the subdirectories in sorted order so that parent git repositories
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# are created first.
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for c in sorted(commits, key=lambda x: x.subdir):
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print('Get {n}\n'.format(n=c.name))
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c.Checkout()
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sys.exit(0)
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if __name__ == '__main__':
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main()
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