358 lines
12 KiB
Ruby
358 lines
12 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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SCM_GIT_REPORT_LAST_COMMIT = true
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# Git executable name
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GIT_BIN = Redmine::Configuration['scm_git_command'] || "git"
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# raised if scm command exited with error, e.g. unknown revision.
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class ScmCommandAborted < CommandFailed; end
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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_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.empty?
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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+)})
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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 --no-color") { |io| io.read }.to_s
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end
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end
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def initialize(url, root_url=nil, login=nil, password=nil, path_encoding=nil)
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super
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@path_encoding = path_encoding || 'UTF-8'
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@flag_report_last_commit = SCM_GIT_REPORT_LAST_COMMIT
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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_args = %w|branch --no-color|
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scm_cmd(*cmd_args) 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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rescue ScmCommandAborted
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nil
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end
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def tags
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return @tags if @tags
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cmd_args = %w|tag|
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scm_cmd(*cmd_args) do |io|
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@tags = io.readlines.sort!.map{|t| t.strip}
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end
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rescue ScmCommandAborted
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nil
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end
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def default_branch
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bras = self.branches
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return nil if bras.nil?
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bras.include?('master') ? 'master' : bras.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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p = scm_iconv(@path_encoding, 'UTF-8', path)
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entries = Entries.new
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cmd_args = %w|ls-tree -l|
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cmd_args << "HEAD:#{p}" if identifier.nil?
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cmd_args << "#{identifier}:#{p}" if identifier
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scm_cmd(*cmd_args) 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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if name.respond_to?(:force_encoding)
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name.force_encoding(@path_encoding)
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end
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full_path = p.empty? ? name : "#{p}/#{name}"
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n = scm_iconv('UTF-8', @path_encoding, name)
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full_p = scm_iconv('UTF-8', @path_encoding, full_path)
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entries << Entry.new({:name => n,
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:path => full_p,
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:kind => (type == "tree") ? 'dir' : 'file',
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:size => (type == "tree") ? nil : size,
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:lastrev => @flag_report_last_commit ? lastrev(full_path, identifier) : Revision.new
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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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entries.sort_by_name
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rescue ScmCommandAborted
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nil
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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_args = %w|log --no-color --encoding=UTF-8 --date=iso --pretty=fuller --no-merges -n 1|
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cmd_args << rev if rev
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cmd_args << "--" << path unless path.empty?
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lines = []
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scm_cmd(*cmd_args) { |io| lines = io.readlines }
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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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rescue ScmCommandAborted
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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_args = %w|log --no-color --encoding=UTF-8 --raw --date=iso --pretty=fuller|
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cmd_args << "--reverse" if options[:reverse]
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cmd_args << "--all" if options[:all]
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cmd_args << "-n" << "#{options[:limit].to_i}" if options[:limit]
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from_to = ""
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from_to << "#{identifier_from}.." if identifier_from
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from_to << "#{identifier_to}" if identifier_to
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cmd_args << from_to if !from_to.empty?
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cmd_args << "--since=#{options[:since].strftime("%Y-%m-%d %H:%M:%S")}" if options[:since]
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cmd_args << "--" << scm_iconv(@path_encoding, 'UTF-8', path) if path && !path.empty?
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scm_cmd *cmd_args 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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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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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 = $2
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p = scm_iconv('UTF-8', @path_encoding, filepath)
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files << {:action => fileaction, :path => p}
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elsif (parsing_descr == 1 || parsing_descr == 2) \
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&& line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\t(.+)$/
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parsing_descr = 2
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fileaction = $1
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filepath = $3
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p = scm_iconv('UTF-8', @path_encoding, filepath)
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files << {:action => fileaction, :path => p}
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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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revisions
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rescue ScmCommandAborted
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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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cmd_args = []
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if identifier_to
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cmd_args << "diff" << "--no-color" << identifier_to << identifier_from
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else
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cmd_args << "show" << "--no-color" << identifier_from
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end
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cmd_args << "--" << scm_iconv(@path_encoding, 'UTF-8', path) unless path.empty?
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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 annotate(path, identifier=nil)
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identifier = 'HEAD' if identifier.blank?
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cmd_args = %w|blame|
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cmd_args << "-p" << identifier << "--" << scm_iconv(@path_encoding, 'UTF-8', path)
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blame = Annotate.new
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content = nil
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scm_cmd(*cmd_args) { |io| io.binmode; content = io.read }
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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(
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:identifier => identifier,
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: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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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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if identifier.nil?
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identifier = 'HEAD'
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end
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cmd_args = %w|show --no-color|
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cmd_args << "#{identifier}:#{scm_iconv(@path_encoding, 'UTF-8', 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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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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def scm_cmd(*args, &block)
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repo_path = root_url || url
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full_args = [GIT_BIN, '--git-dir', repo_path]
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if self.class.client_version_above?([1, 7, 2])
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full_args << '-c' << 'core.quotepath=false'
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end
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full_args += args
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ret = shellout(full_args.map { |e| shell_quote e.to_s }.join(' '), &block)
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if $? && $?.exitstatus != 0
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raise ScmCommandAborted, "git exited with non-zero status: #{$?.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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end
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end
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end
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