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# Copyright (C) 2012 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 os
import morphlib
class BranchAndMergePlugin(cliapp.Plugin):
def enable(self):
self.app.add_subcommand('init', self.init, arg_synopsis='[DIR]')
self.app.add_subcommand('minedir', self.minedir, arg_synopsis='')
def disable(self):
pass
@staticmethod
def deduce_mine_directory():
dirname = os.getcwd()
while dirname != '/':
dot_morph = os.path.join(dirname, '.morph')
if os.path.isdir(dot_morph):
return dirname
dirname = os.path.dirname(dirname)
return None
def init(self, args):
'''Initialize a mine.'''
if not args:
args = ['.']
elif len(args) > 1:
raise cliapp.AppException('init must get at most one argument')
dirname = args[0]
if os.path.exists(dirname):
if os.listdir(dirname) != []:
raise cliapp.AppException('can only initialize empty '
'directory: %s' % dirname)
else:
raise cliapp.AppException('can only initialize an existing '
'empty directory: %s' % dirname)
os.mkdir(os.path.join(dirname, '.morph'))
def minedir(self, args):
'''Find morph mine directory from current working directory.'''
dirname = self.deduce_mine_directory()
if dirname is None:
raise cliapp.AppException("Can't find the mine directory")
self.app.output.write('%s\n' % dirname)
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