mirror of
				https://github.com/redmine/redmine.git
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	git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@1996 e93f8b46-1217-0410-a6f0-8f06a7374b81
		
			
				
	
	
		
			272 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			272 lines
		
	
	
		
			11 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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| 
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| require 'redmine/scm/adapters/abstract_adapter'
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| 
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| module Redmine
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|   module Scm
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|     module Adapters    
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|       class GitAdapter < AbstractAdapter
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|         
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|         # Git executable name
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|         GIT_BIN = "git"
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| 
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|         # Get the revision of a particuliar file
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|         def get_rev (rev,path)
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|         
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|           if rev != 'latest' && !rev.nil?
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|             cmd="#{GIT_BIN} --git-dir #{target('')} show --date=iso #{shell_quote rev} -- #{shell_quote path}" 
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|           else
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|             branch = shellout("#{GIT_BIN} --git-dir #{target('')} branch") { |io| io.grep(/\*/)[0].strip.match(/\* (.*)/)[1] }
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|             cmd="#{GIT_BIN} --git-dir #{target('')} log --date=iso -1 #{branch} -- #{shell_quote path}" 
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|           end
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|           rev=[]
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|           i=0
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|           shellout(cmd) do |io|
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|             files=[]
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|             changeset = {}
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|             parsing_descr = 0  #0: not parsing desc or files, 1: parsing desc, 2: parsing files
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| 
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|             io.each_line do |line|
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|               if line =~ /^commit ([0-9a-f]{40})$/
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|                 key = "commit"
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|                 value = $1
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|                 if (parsing_descr == 1 || parsing_descr == 2)
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|                   parsing_descr = 0
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|                   rev = Revision.new({:identifier => changeset[:commit],
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|                                       :scmid => changeset[:commit],
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|                                       :author => changeset[:author],
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|                                       :time => Time.parse(changeset[:date]),
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|                                       :message => changeset[:description],
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|                                       :paths => files
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|                                      })
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|                   changeset = {}
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|                   files = []
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|                 end
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|                 changeset[:commit] = $1
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|               elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
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|                 key = $1
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|                 value = $2
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|                 if key == "Author"
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|                   changeset[:author] = value
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|                 elsif key == "Date"
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|                   changeset[:date] = value
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|                 end
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|               elsif (parsing_descr == 0) && line.chomp.to_s == ""
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|                 parsing_descr = 1
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|                 changeset[:description] = ""
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|               elsif (parsing_descr == 1 || parsing_descr == 2) && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/
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|                 parsing_descr = 2
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|                 fileaction = $1
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|                 filepath = $2
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|                 files << {:action => fileaction, :path => filepath}
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|               elsif (parsing_descr == 1) && line.chomp.to_s == ""
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|                 parsing_descr = 2
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|               elsif (parsing_descr == 1)
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|                 changeset[:description] << line
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|               end
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|             end	
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|             rev = Revision.new({:identifier => changeset[:commit],
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|                                 :scmid => changeset[:commit],
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|                                 :author => changeset[:author],
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|                                 :time => (changeset[:date] ? Time.parse(changeset[:date]) : nil),
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|                                 :message => changeset[:description],
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|                                 :paths => files
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|                                })
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| 
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|           end
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| 
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|           get_rev('latest',path) if rev == []
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| 
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|           return nil if $? && $?.exitstatus != 0
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|           return rev
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|         end
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| 
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| 
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|         def info
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|           revs = revisions(url,nil,nil,{:limit => 1})
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|           if revs && revs.any?
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|             Info.new(:root_url => url, :lastrev => revs.first)
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|           else
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|             nil
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|           end
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|         rescue Errno::ENOENT => e
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|           return nil
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|         end
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|         
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|         def entries(path=nil, identifier=nil)
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|           path ||= ''
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|           entries = Entries.new
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} ls-tree -l "
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|           cmd << shell_quote("HEAD:" + path) if identifier.nil?
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|           cmd << shell_quote(identifier + ":" + path) if identifier
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|           shellout(cmd)  do |io|
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|             io.each_line do |line|
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|               e = line.chomp.to_s
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|               if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\s+(.+)$/
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|                 type = $1
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|                 sha = $2
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|                 size = $3
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|                 name = $4
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|                 entries << Entry.new({:name => name,
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|                                        :path => (path.empty? ? name : "#{path}/#{name}"),
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|                                        :kind => ((type == "tree") ? 'dir' : 'file'),
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|                                        :size => ((type == "tree") ? nil : size),
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|                                        :lastrev => get_rev(identifier,(path.empty? ? name : "#{path}/#{name}")) 
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|                                                                   
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|                                      }) unless entries.detect{|entry| entry.name == name}
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|               end
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|             end
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|           end
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|           return nil if $? && $?.exitstatus != 0
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|           entries.sort_by_name
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|         end
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|         
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|         def revisions(path, identifier_from, identifier_to, options={})
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|           revisions = Revisions.new
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} log --raw --date=iso"
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|           cmd << " --reverse" if options[:reverse]
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|           cmd << " -n #{options[:limit].to_i} " if (!options.nil?) && options[:limit]
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|           cmd << " #{shell_quote(identifier_from + '..')} " if identifier_from
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|           cmd << " #{shell_quote identifier_to} " if identifier_to
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|           shellout(cmd) do |io|
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|             files=[]
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|             changeset = {}
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|             parsing_descr = 0  #0: not parsing desc or files, 1: parsing desc, 2: parsing files
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|             revno = 1
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| 
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|             io.each_line do |line|
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|               if line =~ /^commit ([0-9a-f]{40})$/
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|                 key = "commit"
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|                 value = $1
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|                 if (parsing_descr == 1 || parsing_descr == 2)
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|                   parsing_descr = 0
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|                   revision = Revision.new({:identifier => changeset[:commit],
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|                                            :scmid => changeset[:commit],
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|                                            :author => changeset[:author],
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|                                            :time => Time.parse(changeset[:date]),
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|                                            :message => changeset[:description],
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|                                            :paths => files
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|                                           })
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|                   if block_given?
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|                     yield revision
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|                   else
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|                     revisions << revision
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|                   end
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|                   changeset = {}
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|                   files = []
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|                   revno = revno + 1
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|                 end
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|                 changeset[:commit] = $1
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|               elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
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|                 key = $1
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|                 value = $2
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|                 if key == "Author"
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|                   changeset[:author] = value
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|                 elsif key == "Date"
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|                   changeset[:date] = value
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|                 end
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|               elsif (parsing_descr == 0) && line.chomp.to_s == ""
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|                 parsing_descr = 1
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|                 changeset[:description] = ""
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|               elsif (parsing_descr == 1 || parsing_descr == 2) && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/
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|                 parsing_descr = 2
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|                 fileaction = $1
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|                 filepath = $2
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|                 files << {:action => fileaction, :path => filepath}
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|               elsif (parsing_descr == 1) && line.chomp.to_s == ""
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|                 parsing_descr = 2
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|               elsif (parsing_descr == 1)
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|                 changeset[:description] << line[4..-1]
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|               end
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|             end	
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| 
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|             if changeset[:commit]
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|               revision = Revision.new({:identifier => changeset[:commit],
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|                                        :scmid => changeset[:commit],
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|                                        :author => changeset[:author],
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|                                        :time => Time.parse(changeset[:date]),
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|                                        :message => changeset[:description],
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|                                        :paths => files
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|                                       })
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|               if block_given?
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|                 yield revision
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|               else
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|                 revisions << revision
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|               end
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|             end
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|           end
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| 
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|           return nil if $? && $?.exitstatus != 0
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|           revisions
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|         end
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|         
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|         def diff(path, identifier_from, identifier_to=nil)
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|           path ||= ''
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|           if !identifier_to
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|             identifier_to = nil
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|           end
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|           
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote identifier_from}" if identifier_to.nil?
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} diff #{shell_quote identifier_to} #{shell_quote identifier_from}" if !identifier_to.nil?
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|           cmd << " -- #{shell_quote path}" unless path.empty?
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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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|         end
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|         
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|         def annotate(path, identifier=nil)
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|           identifier = 'HEAD' if identifier.blank?
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} blame -l #{shell_quote identifier} -- #{shell_quote path}"
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|           blame = Annotate.new
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|           content = nil
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|           shellout(cmd) { |io| io.binmode; content = io.read }
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|           return nil if $? && $?.exitstatus != 0
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|           # git annotates binary files
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|           return nil if content.is_binary_data?
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|           content.split("\n").each do |line|
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|             next unless line =~ /([0-9a-f]{39,40})\s\((\w*)[^\)]*\)(.*)/
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|             blame.add_line($3.rstrip, Revision.new(:identifier => $1, :author => $2.strip))
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|           end
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|           blame
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|         end
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|         
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|         def cat(path, identifier=nil)
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|           if identifier.nil?
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|             identifier = 'HEAD'
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|           end
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|           cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote(identifier + ':' + path)}"
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|           cat = nil
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|           shellout(cmd) do |io|
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|             io.binmode
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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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|         end
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|       end
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|     end
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|   end
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| 
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| end
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| 
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