gistfile1.py

#!/usr/bin/env python
""" Make a Git checkout from an SVN repository """

import os
from optparse import OptionParser
from subprocess import Popen, PIPE

def run(cmd):
    return Popen(cmd, stdout=PIPE).communicate()[0]

parser = OptionParser(usage="usage: %prog svn_url [-a]")
parser.add_option('-a', '--all', help='fetch all history',
    action="store_true", dest='all_history', default=False)
parser.add_option('-r', '--revision', help='fetch specific revision',
    type="int", dest='revision', default=None)
(options, args) = parser.parse_args()

if len(args) != 1:
    parser.error('You must specify exactly one SVN URL')

url = args[0]
dirname = url.split('/')[-2 if url.endswith('/') else -1]

run(['mkdir', dirname])
os.chdir(dirname)

svn_output = run(['svn', 'log', url, '--limit=1'])
print svn_output
rev = svn_output.split('\n')[1].split(' ')[0][1:]

print run(['git', 'svn', 'init', url])

if options.all_history:
    print run(['git', 'svn', 'fetch'])
elif options.revision:
    print run(['git', 'svn', 'fetch', '-r', str(options.revision)])
else:
    print run(['git', 'svn', 'fetch', '-r', rev])

print run(['git', 'checkout'])

f = open('.git/info/exclude', 'a')
f.write("*.pyc\n*egg-info\n")
f.close()