Created
May 23, 2011 00:02
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Manage git subtrees
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#!/usr/bin/env python | |
# Copyright 2011 Michael Komitee. All rights reserved. | |
# | |
# Redistribution and use in source and binary forms, with or without modification, are | |
# permitted provided that the following conditions are met: | |
# | |
# 1. Redistributions of source code must retain the above copyright notice, this list of | |
# conditions and the following disclaimer. | |
# | |
# 2. Redistributions in binary form must reproduce the above copyright notice, this list | |
# of conditions and the following disclaimer in the documentation and/or other materials | |
# provided with the distribution. | |
# | |
# THIS SOFTWARE IS PROVIDED BY MICHAEL KOMITEE ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MICHAEl KOMITEE OR | |
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
# | |
# The views and conclusions contained in the software and documentation are those of the | |
# authors and should not be interpreted as representing official policies, either expressed | |
# or implied, of Michael Komitee. | |
import sys | |
import os | |
import re | |
import subprocess | |
import csv | |
class Subtree(object): | |
def __init__(self, data): | |
self.prefix = data[0] | |
self.repository = data[1] | |
m = re.search('/([^/]*)$', self.repository) | |
base = re.sub('.git$', '', m.group(1)) | |
if self.prefix == '': | |
self.path = base | |
else: | |
self.path = '%s/%s' % (self.prefix, base) | |
def __repr__(self): | |
return('''Subtree(path='%s', repository='%s')''' % (self.path, | |
self.repository)) | |
def is_deployed(self): | |
return(os.path.exists(self.path)) | |
def deploy(self): | |
command = ['git', 'subtree'] | |
if self.is_deployed(): | |
command.append('pull') | |
else: | |
command.append('add') | |
null = open('/dev/null', 'a') | |
out = open('/dev/stdout', 'a') | |
err = open('/dev/stdout', 'a') | |
command += ['--prefix', self.path, '--squash', self.repository, 'master'] | |
print(' '.join(command)) | |
try: | |
subprocess.check_call(command, stdin=null, stdout=out, stderr=err) | |
except subprocess.CalledProcessError: | |
sys.exit(1) | |
out.close() | |
err.close() | |
null.close() | |
def git_status(): | |
null = open('/dev/null', 'a') | |
command = ['git', 'status'] | |
try: | |
subprocess.check_call(command, stdin=null, stdout=null, stderr=null) | |
except subprocess.CalledProcessError: | |
sys.stderr.write("Problem checking git status\n") | |
sys.exit(1) | |
null.close() | |
def read_subtrees(config_file): | |
config = csv.reader(open(config_file), delimiter=',') | |
subtrees = [Subtree(line) for line in config] | |
return subtrees | |
if __name__ == '__main__': | |
git_status() | |
# repositories.csv should be a csv file with two fields per line. The | |
# first field is where in your repository (relative path) you want the | |
# subtree installed, and the second should be the git repositories url | |
# e.g: | |
# vim/bundle,git://github.com/vim-scripts/Gist.vim.git | |
for subtree in read_subtrees('repositories.csv'): | |
subtree.deploy() | |
# vim: set ft=python ts=4 sw=4 et: |
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