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# command_init.py
#
# Copyright (C) 2013 Tim Marston <tim@edm.am>
#
# This file is part of stdhome (hereafter referred to as "this program").
# See http://ed.am/dev/stdhome for more information.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import sys, os, re, getopt, shutil, subprocess
import the, deployment
from subprocess import Popen
class CommandInit:
def __init__( self ):
self.repo = None
def print_help( self ):
print "Usage: " + the.program.name + " init [URL] [--repo=REPO]"
print
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
print "Initialise a local repository."
print
print "If an URL is given, the local reposity is a checkout of it (i.e., you can"
print "receive updates from it and changes you commit will be sent to it). The URL"
print "can take the form of a simple hostname, such as \"example.com\", or it can be a"
print "fully-qualified bazaar URL. (Actually, in the first case, where it is a simple"
print "hostname, it is internally expanded to scp://HOSTNAME/~/.stdhome/REPO)."
print
print "Options:"
print " -r, --repo=REPO select the repo to check-out or create (defaults to 'home')"
print " --help display help and exit"
exit( 0 )
def parse_command_line( self ):
opts, args = getopt.gnu_getopt(
sys.argv[ 1: ], "r:v",
[ "repo=", "verbose", "help" ] )
for opt, optarg in opts:
if [ '--repo', '-r' ].count( opt ):
if not re.match( '^[-a-zA-z0-9.]+$', optarg ):
raise the.FatalError(
'invalid repository name: ' + optarg )
self.repo = optarg
elif [ '--verbose', '-v' ].count( opt ):
the.verbose = True
elif opt == "--help":
self.print_help()
# discard first argument (the command)
args.pop( 0 )
# URL argument
self.url = args[ 0 ].strip() if len( args ) else None
# remaining arguments
if len( args ) > 1:
raise the.program.UsageError( 'too many arguments' )
def run( self ):
the.set_repo( self.repo )
# repo dir must not already exist
the.repo.check_dir_exists( False )
# ensure our top-level directory exists
if not os.path.exists( the.expanded_dir ):
os.mkdir( the.expanded_dir )
if self.url:
# expand url if it's a simple hostname
if re.match( '^[0-9a-zA-z.]+$', self.url ):
self.url = 'sftp://%s/%s/%s' % \
( self.url, the.dir, the.repo.name )
# initialise deployment (with an empty repo)
deployment = Deployment( self.repo )
deployment.copy_in()
# perform bzr checkout
print "checking out %s" % the.repo.dir
p = Popen( [ 'bzr', 'co', self.url, the.repo.name ],
cwd = the.expanded_dir,
stdout = subprocess.PIPE, stderr = subprocess.STDOUT )
out = p.communicate()[ 0 ]
if p.returncode > 0:
# attempt to clean-up repo dir, and die
try:
shutil.rmtree( the.repo.expanded_dir )
except OSError as e:
pass
raise the.program.FatalError( 'checkout failed', out )
# perform deployment
deployment.copy_out()
else:
# perform bzr init
print 'creating %s' % the.repo.dir
p = Popen( [ 'bzr', 'init', the.repo.name ],
cwd = the.expanded_dir,
stdout = subprocess.PIPE, stderr = subprocess.STDOUT )
out = p.communicate()[ 0 ]
if p.returncode > 0:
# attempt to clean-up repo dir, and die
try:
shutil.rmtree( the.repo.expanded_dir )
except OSError as e:
pass
raise the.program.FatalError( 'init failed', out )
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