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#!/usr/bin/python
# Copyright (C) 2011 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import cliapp
import json
import logging
import os
__version__ = '0.0'
class Lorry(cliapp.Application):
def add_settings(self):
self.settings.string(['working-area', 'w'],
'use DIR as the working area (for holding '
'intermediate git repositories, etc)',
metavar='DIR')
self.settings.string(['gitorious-base-url'],
'prefix project names with URL when constructing '
'the git URL on Gitorious (default: %default)',
metavar='URL',
default='git@gitorious.org:baserock-morphs')
self.settings.boolean(['pull-only'],
'only pull from upstreams, do not push to '
'gitorious')
self.settings.boolean(['verbose', 'v'],
'report what is going on to stdout')
def process_args(self, args):
for arg in args:
self.progress('Processing spec file %s' % arg)
with open(arg) as f:
specs = json.load(f)
for name in sorted(specs.keys()):
self.gitify(name, specs[name])
self.progress('Done')
def gitify(self, name, spec):
self.progress('Getting %s from %s' % (name, spec['url']))
table = {
'bzr': self.gitify_bzr,
'cvs': self.gitify_cvs,
'git': self.mirror_git,
'svn': self.gitify_svn,
}
vcstype = spec['type']
if vcstype not in table:
raise cliapp.AppException('Unknown VCS type %s' % vcstype)
dirname = self.dirname(name)
if not os.path.exists(dirname):
os.mkdir(dirname)
gitdir = os.path.join(dirname, 'git')
table[vcstype](dirname, gitdir, spec)
if not self.settings['pull-only']:
self.push_to_gitorious(name, gitdir)
def mirror_git(self, dirname, gitdir, spec):
if not os.path.exists(gitdir):
self.progress('.. doing initial clone')
self.run_program(['git', 'clone', spec['url'], gitdir])
else:
self.progress('.. updating existing clone')
self.run_program(['git', 'pull'], cwd=gitdir)
def gitify_bzr(self, dirname, gitdir, spec):
self.progress('.. fast-exporting from bzr')
export = os.path.join(dirname, 'fast-export')
self.run_program(['bzr', 'fast-export', '--quiet',
spec['url'], export])
if not os.path.exists(gitdir):
self.progress('.. creating git repo')
os.mkdir(gitdir)
self.run_program(['git', 'init', '.'], cwd=gitdir)
self.progress('.. reading fast-export data')
with open(export) as f:
data = f.read()
self.progress('.. fast-importing into git')
self.run_program(['git', 'fast-import'], stdin=data, cwd=gitdir)
def gitify_svn(self, dirname, gitdir, spec):
if not os.path.exists(gitdir):
self.progress('.. doing initial clone')
os.mkdir(gitdir)
self.run_program(['git', 'svn', 'clone', spec['url'], gitdir])
else:
self.progress('.. updating existing clone')
self.run_program(['git', 'svn', 'rebase'], cwd=gitdir)
def gitify_cvs(self, dirname, gitdir, spec):
self.run_program(['git', 'cvsimport', '-d', spec['url'],
'-C', gitdir, spec['module']])
def push_to_gitorious(self, project_name, gitdir):
out = self.run_program(['git', 'remote', 'show'], cwd=gitdir)
if 'gitorious' not in out.splitlines():
self.progress('.. adding gitorious as a remote')
url = ('%s/%s.git' %
(self.settings['gitorious-base-url'], project_name))
self.run_program(['git', 'remote', 'add', 'gitorious', url],
cwd=gitdir)
self.progress('.. pushing to gitorious')
self.run_program(['git', 'push', 'gitorious', 'master'], cwd=gitdir)
def run_program(self, argv, **kwargs):
exit, out, err = self.runcmd_unchecked(argv, **kwargs)
logging.debug('Command: %s\nExit: %s\nStdout:\n%sStderr:\n%s' %
(argv, exit, self.indent(out), self.indent(err)))
if exit != 0:
raise Exception('%s failed (exit code %s):\n%s' %
(' '.join(argv), exit, self.indent(err)))
return out
def indent(self, string):
return ''.join(' %s\n' % line for line in string.splitlines())
def dirname(self, project_name):
assert '/' not in project_name
assert '\0' not in project_name
return os.path.join(self.settings['working-area'], project_name)
def progress(self, msg):
logging.debug(msg)
if self.settings['verbose']:
self.output.write('%s\n' % msg)
if __name__ == '__main__':
Lorry(version=__version__).run()
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