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#!/usr/bin/env python3
# Copyright 2016 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ghwt - GitHub WrapTool
#
# An emergency wraptool(1) replacement downloader that downloads
# directly from GitHub in case wrapdb.mesonbuild.com is down.
import urllib.request, json, sys, os, shutil, subprocess
import configparser, hashlib
req_timeout = 600.0
private_repos = {'meson', 'wrapweb', 'meson-ci'}
spdir = 'subprojects'
def gh_get(url):
r = urllib.request.urlopen(url, timeout=req_timeout)
jd = json.loads(r.read().decode('utf-8'))
return jd
def list_projects():
jd = gh_get('https://api.github.com/orgs/mesonbuild/repos')
entries = [entry['name'] for entry in jd]
entries = [e for e in entries if e not in private_repos]
entries.sort()
for i in entries:
print(i)
return 0
def unpack(sproj, branch):
tmpdir = os.path.join(spdir, sproj + '_ghwt')
shutil.rmtree(tmpdir, ignore_errors=True)
subprocess.check_call(['git', 'clone', '-b', branch, 'https://github.com/mesonbuild/{}.git'.format(sproj), tmpdir])
usfile = os.path.join(tmpdir, 'upstream.wrap')
assert(os.path.isfile(usfile))
config = configparser.ConfigParser(interpolation=None)
config.read(usfile)
outdir = os.path.join(spdir, sproj)
if 'directory' in config['wrap-file']:
outdir = os.path.join(spdir, config['wrap-file']['directory'])
if os.path.isdir(outdir):
print('Subproject is already there. To update, nuke the {} dir and reinstall.'.format(outdir))
shutil.rmtree(tmpdir)
return 1
us_url = config['wrap-file']['source_url']
us = urllib.request.urlopen(us_url, timeout=req_timeout).read()
h = hashlib.sha256()
h.update(us)
dig = h.hexdigest()
should = config['wrap-file']['source_hash']
if dig != should:
print('Incorrect hash on download.')
print(' expected:', should)
print(' obtained:', dig)
return 1
ofilename = os.path.join(spdir, config['wrap-file']['source_filename'])
with open(ofilename, 'wb') as ofile:
ofile.write(us)
if 'lead_directory_missing' in config['wrap-file']:
os.mkdir(outdir)
shutil.unpack_archive(ofilename, outdir)
else:
shutil.unpack_archive(ofilename, spdir)
assert(os.path.isdir(outdir))
shutil.move(os.path.join(tmpdir, '.git'), outdir)
subprocess.check_call(['git', 'reset', '--hard'], cwd=outdir)
shutil.rmtree(tmpdir)
shutil.rmtree(os.path.join(outdir, '.git'))
os.unlink(ofilename)
def install(sproj, requested_branch=None):
if not os.path.isdir(spdir):
print('Run this in your source root and make sure there is a subprojects directory in it.')
return 1
blist = gh_get('https://api.github.com/repos/mesonbuild/{}/branches'.format(sproj))
blist = [b['name'] for b in blist]
blist = [b for b in blist if b != 'master']
blist.sort()
branch = blist[-1]
if requested_branch is not None:
if requested_branch in blist:
branch = requested_branch
else:
print('Could not find user-requested branch', requested_branch)
print('Available branches for', sproj, ':')
print(blist)
return 1
print('Using branch', branch)
return unpack(sproj, branch)
def print_help():
print('Usage:')
print(sys.argv[0], 'list')
print(sys.argv[0], 'install', 'package_name', '[branch_name]')
def run(args):
if not args or args[0] == '-h' or args[0] == '--help':
print_help()
return 1
command = args[0]
args = args[1:]
if command == 'list':
list_projects()
return 0
elif command == 'install':
if len(args) == 1:
return install(args[0])
elif len(args) == 2:
return install(args[0], args[1])
else:
print_help()
return 1
else:
print('Unknown command')
return 1
if __name__ == '__main__':
print('This is an emergency wrap downloader. Use only when wrapdb is down.')
sys.exit(run(sys.argv[1:]))
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