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# 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 = "git"
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# Get the revision of a particuliar file
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def get_rev (rev,path)
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cmd="git --git-dir #{target('')} show #{shell_quote rev} -- #{shell_quote path}" if rev!='latest' and (! rev.nil?)
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cmd="git --git-dir #{target('')} log -1 master -- #{shell_quote path}" if
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rev=='latest' or rev.nil?
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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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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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end
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get_rev('latest',path) if rev == []
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return nil if $? && $?.exitstatus != 0
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return rev
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end
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def info
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revs = revisions(url,nil,nil,{:limit => 1})
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if revs && revs.any?
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Info.new(:root_url => url, :lastrev => revs.first)
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else
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nil
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end
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rescue Errno::ENOENT => e
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return nil
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end
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def entries(path=nil, identifier=nil)
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path ||= ''
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entries = Entries.new
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cmd = "#{GIT_BIN} --git-dir #{target('')} ls-tree -l "
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cmd << shell_quote("HEAD:" + path) if identifier.nil?
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cmd << shell_quote(identifier + ":" + path) if identifier
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shellout(cmd) do |io|
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io.each_line do |line|
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e = line.chomp.to_s
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if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\s+(.+)$/
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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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}) 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 entry(path=nil, identifier=nil)
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path ||= ''
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search_path = path.split('/')[0..-2].join('/')
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entry_name = path.split('/').last
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e = entries(search_path, identifier)
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e ? e.detect{|entry| entry.name == entry_name} : nil
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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 = "#{GIT_BIN} --git-dir #{target('')} log --raw "
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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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#cmd << " HEAD " 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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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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revisions << 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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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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revisions << 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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}) if changeset[:commit]
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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, type="inline")
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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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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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DiffTableList.new diff, type
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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 = "#{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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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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end
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