This is just the default, namely the environment from the global context. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
336 lines
12 KiB
Python
336 lines
12 KiB
Python
# kas - setup tool for bitbake based projects
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#
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# Copyright (c) Siemens AG, 2017
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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"""
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This module contains the Repo class.
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"""
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import os
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import asyncio
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import logging
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from urllib.parse import urlparse
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from .libkas import run_cmd_async, run_cmd
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__license__ = 'MIT'
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__copyright__ = 'Copyright (c) Siemens AG, 2017'
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class Repo:
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"""
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Represents a repository in the kas configuration.
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"""
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def __init__(self, url, path, refspec, layers, patches,
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disable_operations):
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# pylint: disable=too-many-arguments
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self.url = url
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self.path = path
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self.refspec = refspec
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self._layers = layers
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self._patches = patches
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self.name = os.path.basename(self.path)
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self.operations_disabled = disable_operations
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def __getattr__(self, item):
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# pylint: disable=no-else-return
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if item == 'layers':
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if not self._layers:
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return [self.path]
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return [self.path + '/' + l for l in self._layers]
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elif item == 'qualified_name':
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url = urlparse(self.url)
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return ('{url.netloc}{url.path}'
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.format(url=url)
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.replace('@', '.')
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.replace(':', '.')
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.replace('/', '.')
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.replace('*', '.'))
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# Default behaviour
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raise AttributeError
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def __str__(self):
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return '%s:%s %s %s' % (self.url, self.refspec,
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self.path, self._layers)
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@staticmethod
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def factory(name, repo_config, config):
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"""
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Return an instance Repo depending on params.
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"""
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ctx = config.context
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layers_dict = repo_config.get('layers', {})
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layers = list(filter(lambda x, laydict=layers_dict:
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str(laydict[x]).lower() not in
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['disabled', 'excluded', 'n', 'no', '0', 'false'],
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layers_dict))
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patches_dict = repo_config.get('patches', {})
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patches = list(
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{
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'id': p,
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'repo': patches_dict[p]['repo'],
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'path': patches_dict[p]['path'],
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}
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for p in sorted(patches_dict)
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if patches_dict[p])
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url = repo_config.get('url', None)
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name = repo_config.get('name', name)
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typ = repo_config.get('type', 'git')
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refspec = repo_config.get('refspec', None)
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path = repo_config.get('path', None)
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disable_operations = False
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if url is None:
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# No version control operation on repository
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if path is None:
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path = Repo.get_root_path(os.path.dirname(config.filename))
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logging.info('Using %s as root for repository %s', path,
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name)
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url = path
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disable_operations = True
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else:
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if path is None:
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path = os.path.join(ctx.kas_work_dir, name)
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else:
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if not os.path.isabs(path):
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# Relative pathes are assumed to start from work_dir
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path = os.path.join(ctx.kas_work_dir, path)
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if typ == 'git':
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return GitRepo(url, path, refspec, layers, patches,
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disable_operations)
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if typ == 'hg':
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return MercurialRepo(url, path, refspec, layers, patches,
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disable_operations)
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raise NotImplementedError('Repo typ "%s" not supported.' % typ)
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@staticmethod
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def get_root_path(path):
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"""
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Check if path is a version control repo and return its root path.
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"""
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(ret, output) = run_cmd(['git', 'rev-parse', '--show-toplevel'],
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cwd=path, fail=False, liveupdate=False)
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if ret == 0:
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return output.strip()
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(ret, output) = run_cmd(['hg', 'root'],
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cwd=path, fail=False, liveupdate=False)
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if ret == 0:
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return output.strip()
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return path
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class RepoImpl(Repo):
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"""
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Provides a generic implementation for a Repo.
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"""
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@asyncio.coroutine
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def fetch_async(self, ctx):
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"""
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Start asynchronous repository fetch.
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"""
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if self.operations_disabled:
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return 0
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if not os.path.exists(self.path):
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os.makedirs(os.path.dirname(self.path), exist_ok=True)
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sdir = os.path.join(ctx.kas_repo_ref_dir or '',
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self.qualified_name)
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logging.debug('Looking for repo ref dir in %s', sdir)
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(retc, _) = yield from run_cmd_async(self.clone_cmd(sdir, ctx),
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cwd=ctx.kas_work_dir)
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if retc == 0:
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logging.info('Repository %s cloned', self.name)
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return retc
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# take what came out of clone and stick to that forever
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if self.refspec is None:
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return 0
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# Does refspec exist in the current repository?
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(retc, output) = yield from run_cmd_async(self.contains_refspec_cmd(),
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cwd=self.path,
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fail=False,
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liveupdate=False)
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if retc == 0:
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logging.info('Repository %s already contains %s as %s',
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self.name, self.refspec, output.strip())
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return retc
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# No it is missing, try to fetch
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(retc, output) = yield from run_cmd_async(self.fetch_cmd(),
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cwd=self.path,
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fail=False)
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if retc:
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logging.warning('Could not update repository %s: %s',
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self.name, output)
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else:
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logging.info('Repository %s updated', self.name)
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return 0
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def checkout(self, _):
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"""
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Checks out the correct revision of the repo.
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"""
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if self.operations_disabled or self.refspec is None:
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return
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# Check if repos is dirty
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(_, output) = run_cmd(self.is_dirty_cmd(),
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cwd=self.path,
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fail=False)
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if output:
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logging.warning('Repo %s is dirty. no checkout', self.name)
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return
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# Check if current HEAD is what in the config file is defined.
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(_, output) = run_cmd(self.current_rev_cmd(),
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cwd=self.path)
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if output.strip() == self.refspec:
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logging.info('Repo %s has already checkout out correct '
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'refspec. nothing to do', self.name)
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return
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run_cmd(self.checkout_cmd(), cwd=self.path)
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@asyncio.coroutine
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def apply_patches_async(self, ctx):
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"""
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Applies patches to repository asynchronously.
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"""
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if self.operations_disabled:
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return 0
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for patch in self._patches:
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other_repo = ctx.config.repo_dict.get(patch['repo'], None)
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if not other_repo:
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logging.warning('Could not find referenced repo. '
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'(missing repo: %s, repo: %s, '
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'patch entry: %s)',
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patch['repo'],
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self.name,
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patch['id'])
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continue
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path = os.path.join(other_repo.path, patch['path'])
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cmd = []
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if os.path.isfile(path):
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cmd = self.apply_patches_file_cmd(path)
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elif os.path.isdir(path):
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cmd = self.apply_patches_quilt_cmd(path)
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else:
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logging.warning('Could not find patch. '
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'(patch path: %s, repo: %s, patch entry: %s)',
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path,
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self.name,
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patch['id'])
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continue
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(retc, output) = yield from run_cmd_async(cmd,
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cwd=self.path,
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fail=False)
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# pylint: disable=no-else-return
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if retc:
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logging.error('Could not apply patch. Please fix repos and '
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'patches. (patch path: %s, repo: %s, patch '
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'entry: %s, vcs output: %s)',
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path, self.name, patch['id'], output)
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return 1
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else:
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logging.info('Patch applied. '
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'(patch path: %s, repo: %s, patch entry: %s)',
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path, self.name, patch['id'])
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return 0
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class GitRepo(RepoImpl):
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"""
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Provides the git implementations for a Repo.
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"""
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# pylint: disable=no-self-use,missing-docstring
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def clone_cmd(self, gitsrcdir, ctx):
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cmd = ['git', 'clone', '-q', self.url, self.path]
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if ctx.kas_repo_ref_dir and os.path.exists(gitsrcdir):
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cmd.extend(['--reference', gitsrcdir])
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return cmd
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def contains_refspec_cmd(self):
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return ['git', 'cat-file', '-t', self.refspec]
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def fetch_cmd(self):
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return ['git', 'fetch', '--all']
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def is_dirty_cmd(self):
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return ['git', 'status', '-s']
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def current_rev_cmd(self):
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return ['git', 'rev-parse', '--verify', 'HEAD']
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def checkout_cmd(self):
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return ['git', 'checkout', '-q',
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'{refspec}'.format(refspec=self.refspec)]
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def apply_patches_file_cmd(self, path):
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return ['git', 'am', '-q', path]
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def apply_patches_quilt_cmd(self, path):
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return ['git', 'quiltimport', '--author', 'kas <kas@example.com>',
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'--patches', path]
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class MercurialRepo(RepoImpl):
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"""
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Provides the hg implementations for a Repo.
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"""
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# pylint: disable=no-self-use,missing-docstring,unused-argument
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def clone_cmd(self, gitsrcdir, config):
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return ['hg', 'clone', self.url, self.path]
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def contains_refspec_cmd(self):
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return ['hg', 'log', '-r', self.refspec]
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def fetch_cmd(self):
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return ['hg', 'pull']
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def is_dirty_cmd(self):
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return ['hg', 'diff']
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def current_rev_cmd(self):
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return ['hg', 'identify', '-i', '--debug']
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def checkout_cmd(self):
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return ['hg', 'checkout', '{refspec}'.format(refspec=self.refspec)]
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def apply_patches_file_cmd(self, path):
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raise NotImplementedError()
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def apply_patches_quilt_cmd(self, path):
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raise NotImplementedError()
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