Redmine

changeset = 'This template must be used with --debug option\n'

changeset_quiet =  'This template must be used with --debug option\n'

changeset_verbose = 'This template must be used with --debug option\n'

changeset_debug = '<logentry revision="{rev}" node="{node|short}">\n<author>{author|escape}</author>\n<date>{date|isodate}</date>\n<paths>\n{files}{file_adds}{file_dels}{file_copies}</paths>\n<msg>{desc|escape}</msg>\n{tags}</logentry>\n\n'

file = '<path action="M">{file|escape}</path>\n'

file_add = '<path action="A">{file_add|escape}</path>\n'

file_del = '<path action="D">{file_del|escape}</path>\n'

file_copy = '<path-copied copyfrom-path="{source|escape}">{name|urlescape}</path-copied>\n'

tag = '<tag>{tag|escape}</tag>\n'

header='<?xml version="1.0" encoding="UTF-8" ?>\n<log>\n\n'

# footer="</log>"

changeset = 'This template must be used with --debug option\n'

changeset_quiet =  'This template must be used with --debug option\n'

changeset_verbose = 'This template must be used with --debug option\n'

changeset_debug = '<logentry revision="{rev}" node="{node|short}">\n<author>{author|escape}</author>\n<date>{date|isodate}</date>\n<paths>\n{file_mods}{file_adds}{file_dels}{file_copies}</paths>\n<msg>{desc|escape}</msg>\n{tags}</logentry>\n\n'

file_mod = '<path action="M">{file_mod|escape}</path>\n'

file_add = '<path action="A">{file_add|escape}</path>\n'

file_del = '<path action="D">{file_del|escape}</path>\n'

file_copy = '<path-copied copyfrom-path="{source|escape}">{name|urlescape}</path-copied>\n'

tag = '<tag>{tag|escape}</tag>\n'

header='<?xml version="1.0" encoding="UTF-8" ?>\n<log>\n\n'

# footer="</log>"

        def with_trailling_slash(path)

          path ||= ''

          (path[-1,1] == "/") ? path : "#{path}/"

        end

        TEMPLATES_DIR = "#{RAILS_ROOT}/extra/mercurial"

        TEMPLATE_NAME = "hg-template"

        TEMPLATE_EXTENSION = "tmpl"

                            :lastrev => revisions(nil,nil,nil,{:limit => 1}).last

                          })

          cmd = "#{HG_BIN} -R #{target('')} --cwd #{target('')} locate"

          cmd << " -r " + (identifier ? identifier.to_s : "tip")

          cmd << " " + shell_quote("path:#{path}") unless path.empty?

              # HG uses antislashs as separator on Windows

              line = line.gsub(/\\/, "/")

              if path.empty? or e = line.gsub!(%r{^#{with_trailling_slash(path)}},'')

                e ||= line

                e = e.chomp.split(%r{[\/\\]})

                entries << Entry.new({:name => e.first,

                                       :path => (path.nil? or path.empty? ? e.first : "#{with_trailling_slash(path)}#{e.first}"),

                                       :kind => (e.size > 1 ? 'dir' : 'file'),

                                       :lastrev => Revision.new

                                     }) unless entries.detect{|entry| entry.name == e.first}

              end

        # Fetch the revisions by using a template file that 

        # makes Mercurial produce a xml output.

        def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})  

          cmd = "#{HG_BIN} --debug --encoding utf8 -R #{target('')} log -C --style #{self.class.template_path}"

          if identifier_from && identifier_to

            cmd << " -r #{identifier_from.to_i}:#{identifier_to.to_i}"

          elsif identifier_from

            cmd << " -r #{identifier_from.to_i}:"

          end

          cmd << " --limit #{options[:limit].to_i}" if options[:limit]

          cmd << " #{path}" if path

          shellout(cmd) do |io|

            begin

              # HG doesn't close the XML Document...

              doc = REXML::Document.new(io.read << "</log>")

              doc.elements.each("log/logentry") do |logentry|

                paths = []

                copies = logentry.get_elements('paths/path-copied')

                logentry.elements.each("paths/path") do |path|

                  # Detect if the added file is a copy

                  if path.attributes['action'] == 'A' and c = copies.find{ |e| e.text == path.text }

                    from_path = c.attributes['copyfrom-path']

                    from_rev = logentry.attributes['revision']

                  end

                  paths << {:action => path.attributes['action'],

                    :path => "/#{path.text}",

                    :from_path => from_path ? "/#{from_path}" : nil,

                    :from_revision => from_rev ? from_rev : nil

                  }

                end

                paths.sort! { |x,y| x[:path] <=> y[:path] }

                revisions << Revision.new({:identifier => logentry.attributes['revision'],

                                            :scmid => logentry.attributes['node'],

                                            :author => (logentry.elements['author'] ? logentry.elements['author'].text : ""),

                                            :time => Time.parse(logentry.elements['date'].text).localtime,

                                            :message => logentry.elements['msg'].text,

                                            :paths => paths

                                          })

              end

            rescue

              logger.debug($!)

            end

          end

          return nil if $? && $?.exitstatus != 0

          revisions

        end

        def revisions_old(path=nil, identifier_from=nil, identifier_to=nil, options={})

          revisions = Revisions.new

          cmd << " -r " + (identifier ? identifier.to_s : "tip")

          cmd << " -r " + (identifier ? identifier.to_s : "tip")

        # The hg version version is exprimed either as a

        # release number (eg 0.9.5 or 1.0) or as a revision

        # id composed of 12 hexa characters.

        def self.hgversion

          @@hgversion ||= begin

                            theversion = self.hgversion_from_command_line

                            if theversion.match(/^\d+(\.\d+)+$/)

                              theversion.split(".").collect(&:to_i)

                              #            elsif match = theversion.match(/[[:xdigit:]]{12}/)

                              #               match[0]

                            else

                              "Unknown version"

                            end

                          end

        end

        def self.template_path

          if self.hgversion.is_a?(String) or (self.hgversion <=> [0,9,5]) > 0

            ver = "1.0"

          else

            ver = "0.9.5"

          end

          @@template ||= "#{TEMPLATES_DIR}/#{TEMPLATE_NAME}-#{ver}.#{TEMPLATE_EXTENSION}"

        end

          # Can't get changes for revision 0 with hg status

          changeset[:files].to_s.split.collect{|path| {:action => 'A', :path => "/#{path}"}} :

                         :scmid => changeset[:changeset].to_s.split(':').last,

                         :author => changeset[:user],

                         :time => Time.parse(changeset[:date]),

                         :message => changeset[:description],

                         :paths => paths

        def self.hgversion_from_command_line

          %x{#{HG_BIN} --version}.match(/\(version (.*)\)/)[1]

        end