svn authors

svn_authors.rb

#  Koffeinfrei svn_authors.rb
#  Copyright (C) 2011  Alexis Reigel
#
#  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/>.

require 'optparse'
require 'active_support/inflector'

options = { :domain => 'DOMAIN' }
OptionParser.new do |opts|
    opts.banner = "Usage: #{$0} [options]"

    opts.on("-u", "--url URL", "Specify a svn repository url, unless you are inside a working copy.") do |url|
      options[:url] = url
    end
    opts.on("-r", "--revision REVISION", "Specify the revision range, e.g. 1234:HEAD") do |revision|
      options[:revision] = revision
    end
    opts.on("-g", "--git", "Output in git user format (for conversion to git)") do
        options[:git] = true
    end
	opts.on("--guess", "Guess the name and new email address") do
		options[:guess] = true
	end
	opts.on("-d", "--domain DOMAIN", "The domain for the new email addresses") do |domain|
		options[:domain] = domain
	end
    opts.on_tail("-h", "--help", "Show this message") do
      puts opts
      exit
    end
end.parse!

authors = `svn log #{options[:url]} -q#{' -r ' + options[:revision] if options[:revision]}`
            .split(/\n/)
            .select{ |x| x.include? "|" }
            .collect { |x| x.split("|")[1].strip }
            .uniq
            .sort

if (options[:git])
    puts authors.collect{ |x| options[:guess] ? "#{x} = #{x.sub('.', ' ').titleize} <#{x.downcase}@#{options[:domain]}>" : "#{x} = NAME <USER@#{options[:domain]}>" }
else
    puts authors
end