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# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'rexml/document'
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module SvnRepos
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class CommandFailed < StandardError #:nodoc:
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end
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class Base
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def initialize(url, root_url=nil, login=nil, password=nil)
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@url = url
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@login = login if login && !login.empty?
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@password = (password || "") if @login
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@root_url = root_url.blank? ? retrieve_root_url : root_url
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end
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def root_url
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@root_url
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end
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def url
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@url
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end
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# finds the root url of the svn repository
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def retrieve_root_url
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cmd = "svn info --xml #{target('')}"
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cmd << " --username #{@login} --password #{@password}" if @login
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root_url = nil
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shellout(cmd) do |io|
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begin
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doc = REXML::Document.new(io)
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root_url = doc.elements["info/entry/repository/root"].text
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rescue
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end
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end
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return nil if $? && $?.exitstatus != 0
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root_url
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rescue Errno::ENOENT => e
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return nil
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end
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# Returns the entry identified by path and revision identifier
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# or nil if entry doesn't exist in the repository
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def entry(path=nil, identifier=nil)
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e = entries(path, identifier)
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e ? e.first : nil
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end
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# Returns an Entries collection
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# or nil if the given path doesn't exist in the repository
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def entries(path=nil, identifier=nil)
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path ||= ''
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identifier = 'HEAD' unless identifier and identifier > 0
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entries = Entries.new
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cmd = "svn list --xml #{target(path)}@#{identifier}"
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cmd << " --username #{@login} --password #{@password}" if @login
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shellout(cmd) do |io|
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begin
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doc = REXML::Document.new(io)
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doc.elements.each("lists/list/entry") do |entry|
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entries << Entry.new({:name => entry.elements['name'].text,
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:path => ((path.empty? ? "" : "#{path}/") + entry.elements['name'].text),
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:kind => entry.attributes['kind'],
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:size => (entry.elements['size'] and entry.elements['size'].text).to_i,
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:lastrev => Revision.new({
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:identifier => entry.elements['commit'].attributes['revision'],
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:time => Time.parse(entry.elements['commit'].elements['date'].text),
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:author => (entry.elements['commit'].elements['author'] ? entry.elements['commit'].elements['author'].text : "anonymous")
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})
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})
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end
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rescue
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end
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end
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return nil if $? && $?.exitstatus != 0
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entries.sort_by_name
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
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path ||= ''
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identifier_from = 'HEAD' unless identifier_from and identifier_from.to_i > 0
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identifier_to = 1 unless identifier_to and identifier_to.to_i > 0
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revisions = Revisions.new
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cmd = "svn log --xml -r #{identifier_from}:#{identifier_to}"
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cmd << " --username #{@login} --password #{@password}" if @login
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cmd << " --verbose " if options[:with_paths]
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cmd << target(path)
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shellout(cmd) do |io|
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begin
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doc = REXML::Document.new(io)
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doc.elements.each("log/logentry") do |logentry|
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paths = []
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logentry.elements.each("paths/path") do |path|
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paths << {:action => path.attributes['action'],
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:path => path.text
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}
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end
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paths.sort! { |x,y| x[:path] <=> y[:path] }
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revisions << Revision.new({:identifier => logentry.attributes['revision'],
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:author => (logentry.elements['author'] ? logentry.elements['author'].text : "anonymous"),
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:time => Time.parse(logentry.elements['date'].text),
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:message => logentry.elements['msg'].text,
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:paths => paths
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})
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end
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rescue
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end
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end
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return nil if $? && $?.exitstatus != 0
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revisions
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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def diff(path, identifier_from, identifier_to=nil)
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path ||= ''
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if identifier_to and identifier_to.to_i > 0
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identifier_to = identifier_to.to_i
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else
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identifier_to = identifier_from.to_i - 1
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end
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cmd = "svn diff -r "
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cmd << "#{identifier_to}:"
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cmd << "#{identifier_from}"
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cmd << "#{target(path)}@#{identifier_from}"
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cmd << " --username #{@login} --password #{@password}" if @login
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diff = []
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shellout(cmd) do |io|
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io.each_line do |line|
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diff << line
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end
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end
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return nil if $? && $?.exitstatus != 0
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diff
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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def cat(path, identifier=nil)
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identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
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cmd = "svn cat #{target(path)}@#{identifier}"
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cmd << " --username #{@login} --password #{@password}" if @login
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cat = nil
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shellout(cmd) do |io|
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cat = io.read
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end
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return nil if $? && $?.exitstatus != 0
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cat
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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private
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def target(path)
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path ||= ""
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base = path.match(/^\//) ? root_url : url
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" \"" << "#{base}/#{path}".gsub(/["'?<>\*]/, '') << "\""
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end
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def logger
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RAILS_DEFAULT_LOGGER
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end
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def shellout(cmd, &block)
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logger.debug "Shelling out: #{cmd}" if logger && logger.debug?
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IO.popen(cmd, "r+") do |io|
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io.close_write
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block.call(io) if block_given?
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end
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end
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end
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class Entries < Array
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def sort_by_name
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sort {|x,y|
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if x.kind == y.kind
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x.name <=> y.name
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else
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x.kind <=> y.kind
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end
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}
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end
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def revisions
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revisions ||= Revisions.new(collect{|entry| entry.lastrev})
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end
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end
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class Entry
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attr_accessor :name, :path, :kind, :size, :lastrev
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def initialize(attributes={})
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self.name = attributes[:name] if attributes[:name]
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self.path = attributes[:path] if attributes[:path]
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self.kind = attributes[:kind] if attributes[:kind]
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self.size = attributes[:size].to_i if attributes[:size]
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self.lastrev = attributes[:lastrev]
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end
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def is_file?
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'file' == self.kind
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end
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def is_dir?
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'dir' == self.kind
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end
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end
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class Revisions < Array
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def latest
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sort {|x,y| x.time <=> y.time}.last
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end
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end
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class Revision
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attr_accessor :identifier, :author, :time, :message, :paths
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def initialize(attributes={})
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self.identifier = attributes[:identifier]
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self.author = attributes[:author]
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self.time = attributes[:time]
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self.message = attributes[:message] || ""
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self.paths = attributes[:paths]
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end
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end
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end
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