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#!/usr/bin/python
#
# commit-wrangler.py - basic script to commit patches, primarily for
# Metacity, might be useful for others. In early stages of
# development.
#
# Copyright (C) 2008 Thomas Thurman
# 
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

import time
import commands
import sys
import os
import posixpath
import ConfigParser

# FIXME: Needs tidying into separate functions.

# FIXME: Some of this is duplicated from release-wrangler.
# This should go in a common library when the dust has settled.

# FIXME: Some way of updating Bugzilla when we mention a bug,
# and including the revision number, would be really useful.

# FIXME: This should co-operate with patch-wrangler in that
# p-w should find out the name of a patch's submitter from bugzilla
# and store it in a dotfile, and then we can use it here.
# Also, it should find out and store the bug number, so we can
# write it as "(Bug #nnn)", which will make the previous paragraph's
# idea even more useful.

def get_up_to_date():
  "First step is always to get up to date."
  os.system("svn up")

def report_error(message):
  print message
  sys.exit(255)

def favourite_editor():
  e = os.environ
  if e.has_key('VISUAL'): return e['VISUAL']
  if e.has_key('EDITOR'): return e['EDITOR']
  if os.access('/usr/bin/nano', os.F_OK):
    return '/usr/bin/nano'
  report_error("I can't find an editor for you!")

def wordwrap(str, prefix=''):
  "Really simple wordwrap"

  # Ugly hack:
  # We know that all open brackets are preceded by spaces.
  # We don't want to split on these spaces. Therefore:
  str = str.replace(' (','(')

  result = ['']
  for word in str.split():

    if result[-1]=='':
      candidate = prefix + word
    else:
      candidate = '%s %s' % (result[-1], word)

    if len(candidate)>80:
      result.append(prefix+word)
    else:
      result[-1] = candidate

  return '\n'.join(result).replace('(',' (')

#####################

change_filename = 'ChangeLog'

get_up_to_date()

cp = ConfigParser.ConfigParser()
cp.read(os.environ['HOME']+'/.config/metacity/tools.ini')

os.environ['CHANGE_LOG_NAME'] = cp.get('commit-wrangler', 'name')
os.environ['CHANGE_LOG_EMAIL_ADDRESS'] = cp.get('commit-wrangler', 'address')

print commands.getoutput('moap cl prep')

time_before = os.stat(change_filename)[8]
os.system(favourite_editor()+' +6 %s ' % (change_filename))

if os.stat(change_filename)[8] == time_before:
    print 'No change; aborting:'
    print commands.getoutput('svn revert '+change_filename)
    sys.exit(0)

# Update the changelog

print commands.getoutput("moap cl ci")

#print
#print 'http://svn.gnome.org/viewvc/metacity?rev=%s&view=rev' % (checkin)