463 lines
16 KiB
Ruby
463 lines
16 KiB
Ruby
# redMine - project management software
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# Copyright (C) 2006-2007 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 'redmine/scm/adapters/abstract_adapter'
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module Redmine
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module Scm
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module Adapters
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class CvsAdapter < AbstractAdapter
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# CVS executable name
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CVS_BIN = Redmine::Configuration['scm_cvs_command'] || "cvs"
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class << self
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def client_command
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@@bin ||= CVS_BIN
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end
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def sq_bin
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@@sq_bin ||= shell_quote_command
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end
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def client_version
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@@client_version ||= (scm_command_version || [])
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end
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def client_available
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client_version_above?([1, 12])
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end
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def scm_command_version
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scm_version = scm_version_from_command_line.dup
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if scm_version.respond_to?(:force_encoding)
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scm_version.force_encoding('ASCII-8BIT')
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end
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if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)}m)
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m[2].scan(%r{\d+}).collect(&:to_i)
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end
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end
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def scm_version_from_command_line
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shellout("#{sq_bin} --version") { |io| io.read }.to_s
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end
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end
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# Guidelines for the input:
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# url -> the project-path, relative to the cvsroot (eg. module name)
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# root_url -> the good old, sometimes damned, CVSROOT
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# login -> unnecessary
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# password -> unnecessary too
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def initialize(url, root_url=nil, login=nil, password=nil,
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path_encoding=nil)
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@path_encoding = path_encoding.blank? ? 'UTF-8' : path_encoding
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@url = url
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# TODO: better Exception here (IllegalArgumentException)
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raise CommandFailed if root_url.blank?
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@root_url = root_url
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# These are unused.
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@login = login if login && !login.empty?
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@password = (password || "") if @login
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end
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def path_encoding
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@path_encoding
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end
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def info
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logger.debug "<cvs> info"
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Info.new({:root_url => @root_url, :lastrev => nil})
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end
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def get_previous_revision(revision)
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CvsRevisionHelper.new(revision).prevRev
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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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# this method is used by the repository-browser (aka LIST)
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def entries(path=nil, identifier=nil, options={})
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logger.debug "<cvs> entries '#{path}' with identifier '#{identifier}'"
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path_locale = scm_iconv(@path_encoding, 'UTF-8', path)
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path_locale.force_encoding("ASCII-8BIT") if path_locale.respond_to?(:force_encoding)
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entries = Entries.new
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cmd_args = %w|-q rls -e|
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cmd_args << "-D" << time_to_cvstime_rlog(identifier) if identifier
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cmd_args << path_with_proj(path)
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scm_cmd(*cmd_args) do |io|
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io.each_line() do |line|
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fields = line.chop.split('/',-1)
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logger.debug(">>InspectLine #{fields.inspect}")
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if fields[0]!="D"
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time = nil
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# Thu Dec 13 16:27:22 2007
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time_l = fields[-3].split(' ')
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if time_l.size == 5 && time_l[4].length == 4
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begin
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time = Time.parse(
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"#{time_l[1]} #{time_l[2]} #{time_l[3]} GMT #{time_l[4]}")
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rescue
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end
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end
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entries << Entry.new(
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{
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:name => scm_iconv('UTF-8', @path_encoding, fields[-5]),
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#:path => fields[-4].include?(path)?fields[-4]:(path + "/"+ fields[-4]),
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:path => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[-5]}"),
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:kind => 'file',
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:size => nil,
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:lastrev => Revision.new(
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{
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:revision => fields[-4],
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:name => scm_iconv('UTF-8', @path_encoding, fields[-4]),
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:time => time,
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:author => ''
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})
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})
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else
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entries << Entry.new(
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{
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:name => scm_iconv('UTF-8', @path_encoding, fields[1]),
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:path => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[1]}"),
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:kind => 'dir',
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:size => nil,
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:lastrev => nil
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})
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end
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end
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end
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entries.sort_by_name
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rescue ScmCommandAborted
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nil
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end
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STARTLOG="----------------------------"
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ENDLOG ="============================================================================="
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# Returns all revisions found between identifier_from and identifier_to
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# in the repository. both identifier have to be dates or nil.
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# these method returns nothing but yield every result in block
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def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={}, &block)
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path_with_project_utf8 = path_with_proj(path)
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path_with_project_locale = scm_iconv(@path_encoding, 'UTF-8', path_with_project_utf8)
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logger.debug "<cvs> revisions path:" +
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"'#{path}',identifier_from #{identifier_from}, identifier_to #{identifier_to}"
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cmd_args = %w|-q rlog|
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cmd_args << "-d" << ">#{time_to_cvstime_rlog(identifier_from)}" if identifier_from
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cmd_args << path_with_project_utf8
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scm_cmd(*cmd_args) do |io|
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state = "entry_start"
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commit_log = String.new
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revision = nil
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date = nil
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author = nil
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entry_path = nil
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entry_name = nil
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file_state = nil
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branch_map = nil
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io.each_line() do |line|
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if state != "revision" && /^#{ENDLOG}/ =~ line
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commit_log = String.new
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revision = nil
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state = "entry_start"
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end
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if state == "entry_start"
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branch_map = Hash.new
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if /^RCS file: #{Regexp.escape(root_url_path)}\/#{Regexp.escape(path_with_project_locale)}(.+),v$/ =~ line
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entry_path = normalize_cvs_path($1)
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entry_name = normalize_path(File.basename($1))
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logger.debug("Path #{entry_path} <=> Name #{entry_name}")
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elsif /^head: (.+)$/ =~ line
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entry_headRev = $1 #unless entry.nil?
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elsif /^symbolic names:/ =~ line
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state = "symbolic" #unless entry.nil?
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elsif /^#{STARTLOG}/ =~ line
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commit_log = String.new
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state = "revision"
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end
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next
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elsif state == "symbolic"
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if /^(.*):\s(.*)/ =~ (line.strip)
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branch_map[$1] = $2
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else
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state = "tags"
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next
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end
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elsif state == "tags"
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if /^#{STARTLOG}/ =~ line
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commit_log = ""
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state = "revision"
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elsif /^#{ENDLOG}/ =~ line
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state = "head"
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end
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next
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elsif state == "revision"
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if /^#{ENDLOG}/ =~ line || /^#{STARTLOG}/ =~ line
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if revision
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revHelper = CvsRevisionHelper.new(revision)
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revBranch = "HEAD"
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branch_map.each() do |branch_name, branch_point|
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if revHelper.is_in_branch_with_symbol(branch_point)
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revBranch = branch_name
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end
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end
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logger.debug("********** YIELD Revision #{revision}::#{revBranch}")
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yield Revision.new({
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:time => date,
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:author => author,
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:message => commit_log.chomp,
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:paths => [{
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:revision => revision.dup,
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:branch => revBranch.dup,
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:path => scm_iconv('UTF-8', @path_encoding, entry_path),
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:name => scm_iconv('UTF-8', @path_encoding, entry_name),
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:kind => 'file',
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:action => file_state
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}]
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})
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end
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commit_log = String.new
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revision = nil
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if /^#{ENDLOG}/ =~ line
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state = "entry_start"
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end
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next
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end
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if /^branches: (.+)$/ =~ line
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# TODO: version.branch = $1
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elsif /^revision (\d+(?:\.\d+)+).*$/ =~ line
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revision = $1
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elsif /^date:\s+(\d+.\d+.\d+\s+\d+:\d+:\d+)/ =~ line
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date = Time.parse($1)
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line_utf8 = scm_iconv('UTF-8', options[:log_encoding], line)
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author_utf8 = /author: ([^;]+)/.match(line_utf8)[1]
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author = scm_iconv(options[:log_encoding], 'UTF-8', author_utf8)
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file_state = /state: ([^;]+)/.match(line)[1]
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# TODO:
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# linechanges only available in CVS....
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# maybe a feature our SVN implementation.
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# I'm sure, they are useful for stats or something else
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# linechanges =/lines: \+(\d+) -(\d+)/.match(line)
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# unless linechanges.nil?
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# version.line_plus = linechanges[1]
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# version.line_minus = linechanges[2]
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# else
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# version.line_plus = 0
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# version.line_minus = 0
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# end
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else
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commit_log << line unless line =~ /^\*\*\* empty log message \*\*\*/
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end
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end
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end
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end
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rescue ScmCommandAborted
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Revisions.new
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end
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def diff(path, identifier_from, identifier_to=nil)
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logger.debug "<cvs> diff path:'#{path}'" +
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",identifier_from #{identifier_from}, identifier_to #{identifier_to}"
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cmd_args = %w|rdiff -u|
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cmd_args << "-r#{identifier_to}"
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cmd_args << "-r#{identifier_from}"
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cmd_args << path_with_proj(path)
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diff = []
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scm_cmd(*cmd_args) 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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diff
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rescue ScmCommandAborted
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nil
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end
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def cat(path, identifier=nil)
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identifier = (identifier) ? identifier : "HEAD"
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logger.debug "<cvs> cat path:'#{path}',identifier #{identifier}"
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cmd_args = %w|-q co|
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cmd_args << "-D" << time_to_cvstime(identifier) if identifier
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cmd_args << "-p" << path_with_proj(path)
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cat = nil
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scm_cmd(*cmd_args) do |io|
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io.binmode
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cat = io.read
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end
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cat
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rescue ScmCommandAborted
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nil
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end
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def annotate(path, identifier=nil)
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identifier = (identifier) ? identifier : "HEAD"
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logger.debug "<cvs> annotate path:'#{path}',identifier #{identifier}"
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cmd_args = %w|rannotate|
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cmd_args << "-D" << time_to_cvstime(identifier) if identifier
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cmd_args << path_with_proj(path)
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blame = Annotate.new
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scm_cmd(*cmd_args) do |io|
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io.each_line do |line|
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next unless line =~ %r{^([\d\.]+)\s+\(([^\)]+)\s+[^\)]+\):\s(.*)$}
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blame.add_line(
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$3.rstrip,
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Revision.new(
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:revision => $1,
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:identifier => nil,
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:author => $2.strip
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))
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end
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end
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blame
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rescue ScmCommandAborted
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Annotate.new
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end
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private
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# Returns the root url without the connexion string
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# :pserver:anonymous@foo.bar:/path => /path
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# :ext:cvsservername:/path => /path
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def root_url_path
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root_url.to_s.gsub(%r{^:.+?(?=/)}, '')
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end
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# convert a date/time into the CVS-format
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def time_to_cvstime(time)
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return nil if time.nil?
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time = Time.now if time == 'HEAD'
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unless time.kind_of? Time
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time = Time.parse(time)
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end
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return time_to_cvstime_rlog(time)
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end
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def time_to_cvstime_rlog(time)
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return nil if time.nil?
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t1 = time.clone.localtime
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return t1.strftime("%Y-%m-%d %H:%M:%S")
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end
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def normalize_cvs_path(path)
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normalize_path(path.gsub(/Attic\//,''))
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end
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def normalize_path(path)
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path.sub(/^(\/)*(.*)/,'\2').sub(/(.*)(,v)+/,'\1')
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end
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def path_with_proj(path)
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"#{url}#{with_leading_slash(path)}"
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end
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private :path_with_proj
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class Revision < Redmine::Scm::Adapters::Revision
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# Returns the readable identifier
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def format_identifier
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revision.to_s
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end
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end
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def scm_cmd(*args, &block)
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full_args = ['-d', root_url]
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full_args += args
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full_args_locale = []
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full_args.map do |e|
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full_args_locale << scm_iconv(@path_encoding, 'UTF-8', e)
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end
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ret = shellout(
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self.class.sq_bin + ' ' + full_args_locale.map { |e| shell_quote e.to_s }.join(' '),
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&block
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)
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if $? && $?.exitstatus != 0
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raise ScmCommandAborted, "cvs exited with non-zero status: #{$?.exitstatus}"
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end
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ret
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end
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private :scm_cmd
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end
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class CvsRevisionHelper
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attr_accessor :complete_rev, :revision, :base, :branchid
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def initialize(complete_rev)
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@complete_rev = complete_rev
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parseRevision()
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end
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def branchPoint
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return @base
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end
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def branchVersion
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if isBranchRevision
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return @base+"."+@branchid
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end
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return @base
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end
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def isBranchRevision
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!@branchid.nil?
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end
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def prevRev
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unless @revision == 0
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return buildRevision( @revision - 1 )
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end
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return buildRevision( @revision )
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end
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def is_in_branch_with_symbol(branch_symbol)
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bpieces = branch_symbol.split(".")
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branch_start = "#{bpieces[0..-3].join(".")}.#{bpieces[-1]}"
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return ( branchVersion == branch_start )
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end
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private
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def buildRevision(rev)
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if rev == 0
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if @branchid.nil?
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@base + ".0"
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else
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@base
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end
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elsif @branchid.nil?
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@base + "." + rev.to_s
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else
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@base + "." + @branchid + "." + rev.to_s
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end
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end
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# Interpretiert die cvs revisionsnummern wie z.b. 1.14 oder 1.3.0.15
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def parseRevision()
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pieces = @complete_rev.split(".")
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@revision = pieces.last.to_i
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baseSize = 1
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baseSize += (pieces.size / 2)
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@base = pieces[0..-baseSize].join(".")
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if baseSize > 2
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@branchid = pieces[-2]
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end
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end
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end
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end
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end
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end
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