mirror of
				https://github.com/redmine/redmine.git
				synced 2025-11-03 20:06:24 +01:00 
			
		
		
		
	No needs to use localtime. If we use localtime, we should clone. See r4794 and r4802. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4823 e93f8b46-1217-0410-a6f0-8f06a7374b81
		
			
				
	
	
		
			292 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			292 lines
		
	
	
		
			10 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 GitAdapter < AbstractAdapter
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        # Git executable name
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        GIT_BIN = Redmine::Configuration['scm_git_command'] || "git"
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        class << self
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          def client_command
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            @@bin    ||= GIT_BIN
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          end
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          def sq_bin
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            @@sq_bin ||= shell_quote(GIT_BIN)
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          end
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          def client_available
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            !client_version.empty?
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          end
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        end
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        def info
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          begin
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            Info.new(:root_url => url, :lastrev => lastrev('',nil))
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          rescue
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            nil
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          end
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        end
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        def branches
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          return @branches if @branches
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          @branches = []
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          cmd = "#{self.class.sq_bin} --git-dir #{target('')} branch --no-color"
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          shellout(cmd) do |io|
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            io.each_line do |line|
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              @branches << line.match('\s*\*?\s*(.*)$')[1]
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            end
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          end
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          @branches.sort!
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        end
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        def tags
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          return @tags if @tags
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          cmd = "#{self.class.sq_bin} --git-dir #{target('')} tag"
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          shellout(cmd) do |io|
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            @tags = io.readlines.sort!.map{|t| t.strip}
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          end
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        end
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        def default_branch
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          branches.include?('master') ? 'master' : branches.first 
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        end
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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 = "#{self.class.sq_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-]+)\t(.+)$/
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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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                full_path = path.empty? ? name : "#{path}/#{name}"
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                entries << Entry.new({:name => name,
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                 :path => full_path,
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                 :kind => (type == "tree") ? 'dir' : 'file',
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                 :size => (type == "tree") ? nil : size,
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                 :lastrev => lastrev(full_path,identifier)
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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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        def lastrev(path,rev)
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          return nil if path.nil?
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          cmd = "#{self.class.sq_bin} --git-dir #{target('')} log --no-color --date=iso --pretty=fuller --no-merges -n 1 "
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          cmd << " #{shell_quote rev} " if rev 
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          cmd <<  "-- #{shell_quote path} " unless path.empty?
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          lines = []
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          shellout(cmd) { |io| lines = io.readlines }
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          return nil if $? && $?.exitstatus != 0
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          begin
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              id = lines[0].split[1]
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              author = lines[1].match('Author:\s+(.*)$')[1]
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              time = Time.parse(lines[4].match('CommitDate:\s+(.*)$')[1])
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              Revision.new({
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                :identifier => id,
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                :scmid => id,
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                :author => author, 
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                :time => time,
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                :message => nil, 
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                :paths => nil 
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              })
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          rescue NoMethodError => e
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              logger.error("The revision '#{path}' has a wrong format")
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              return nil
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          end
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        end
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        def revisions(path, identifier_from, identifier_to, options={})
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          revisions = Revisions.new
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          cmd = "#{self.class.sq_bin} --git-dir #{target('')} log --no-color --raw --date=iso --pretty=fuller "
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          cmd << " --reverse " if options[:reverse]
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          cmd << " --all " if options[:all]
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          cmd << " -n #{options[:limit].to_i} " if 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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          cmd << " --since=#{shell_quote(options[:since].strftime("%Y-%m-%d %H:%M:%S"))}" if options[:since]
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          cmd << " -- #{shell_quote path}" if path && !path.empty?
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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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            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({
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                    :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 = $2
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                if key == "Author"
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                  changeset[:author] = value
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                elsif key == "CommitDate"
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                  changeset[:date] = value
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                end
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              elsif (parsing_descr == 0) && line.chomp.to_s == ""
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                parsing_descr = 1
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                changeset[:description] = ""
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              elsif (parsing_descr == 1 || parsing_descr == 2) \
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              && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\t(.+)$/
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                parsing_descr = 2
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                fileaction = $1
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                filepath = $2
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                files << {:action => fileaction, :path => filepath}
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              elsif (parsing_descr == 1 || parsing_descr == 2) \
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              && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\t(.+)$/
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                parsing_descr = 2
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                fileaction = $1
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                filepath = $3
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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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            if changeset[:commit]
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              revision = Revision.new({
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                :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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          return nil if $? && $?.exitstatus != 0
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          revisions
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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
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            cmd = "#{self.class.sq_bin} --git-dir #{target('')} diff --no-color #{shell_quote identifier_to} #{shell_quote identifier_from}" 
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          else
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            cmd = "#{self.class.sq_bin} --git-dir #{target('')} show --no-color #{shell_quote identifier_from}"
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          end
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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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        def annotate(path, identifier=nil)
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          identifier = 'HEAD' if identifier.blank?
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          cmd = "#{self.class.sq_bin} --git-dir #{target('')} blame -p #{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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          identifier = ''
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          # git shows commit author on the first occurrence only
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          authors_by_commit = {}
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          content.split("\n").each do |line|
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            if line =~ /^([0-9a-f]{39,40})\s.*/
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              identifier = $1
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            elsif line =~ /^author (.+)/
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              authors_by_commit[identifier] = $1.strip
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            elsif line =~ /^\t(.*)/
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              blame.add_line($1, Revision.new(:identifier => identifier, :author => authors_by_commit[identifier]))
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              identifier = ''
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              author = ''
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            end
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          end
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          blame
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        end
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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 = "#{self.class.sq_bin} --git-dir #{target('')} show --no-color #{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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        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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            identifier[0,8]
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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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