# redMine - project management software # Copyright (C) 2006-2007 Jean-Philippe Lang # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. require 'redmine/scm/adapters/abstract_adapter' module Redmine module Scm module Adapters class GitAdapter < AbstractAdapter # Git executable name GIT_BIN = "git" def info begin Info.new(:root_url => url, :lastrev => lastrev('',nil)) rescue nil end end def branches return @branches if @branches @branches = [] cmd = "#{GIT_BIN} --git-dir #{target('')} branch" shellout(cmd) do |io| io.each_line do |line| @branches << line.match('\s*\*?\s*(.*)$')[1] end end @branches.sort! end def tags return @tags if @tags cmd = "#{GIT_BIN} --git-dir #{target('')} tag" shellout(cmd) do |io| @tags = io.readlines.sort!.map{|t| t.strip} end end def default_branch branches.include?('master') ? 'master' : branches.first end def entries(path=nil, identifier=nil) path ||= '' entries = Entries.new cmd = "#{GIT_BIN} --git-dir #{target('')} ls-tree -l " cmd << shell_quote("HEAD:" + path) if identifier.nil? cmd << shell_quote(identifier + ":" + path) if identifier shellout(cmd) do |io| io.each_line do |line| e = line.chomp.to_s if e =~ /^\d+\s+(\w+)\s+([0-9a-f]{40})\s+([0-9-]+)\s+(.+)$/ type = $1 sha = $2 size = $3 name = $4 full_path = path.empty? ? name : "#{path}/#{name}" entries << Entry.new({:name => name, :path => full_path, :kind => (type == "tree") ? 'dir' : 'file', :size => (type == "tree") ? nil : size, :lastrev => lastrev(full_path,identifier) }) unless entries.detect{|entry| entry.name == name} end end end return nil if $? && $?.exitstatus != 0 entries.sort_by_name end def lastrev(path,rev) return nil if path.nil? cmd = "#{GIT_BIN} --git-dir #{target('')} log --pretty=fuller --no-merges -n 1 " cmd << " #{shell_quote rev} " if rev cmd << "-- #{path} " unless path.empty? shellout(cmd) do |io| begin id = io.gets.split[1] author = io.gets.match('Author:\s+(.*)$')[1] 2.times { io.gets } time = io.gets.match('CommitDate:\s+(.*)$')[1] Revision.new({ :identifier => id, :scmid => id, :author => author, :time => time, :message => nil, :paths => nil }) rescue NoMethodError => e logger.error("The revision '#{path}' has a wrong format") return nil end end end def revisions(path, identifier_from, identifier_to, options={}) revisions = Revisions.new cmd = "#{GIT_BIN} --git-dir #{target('')} log --raw --date=iso --pretty=fuller" cmd << " --reverse" if options[:reverse] cmd << " --all" if options[:all] cmd << " -n #{options[:limit]} " if options[:limit] cmd << " #{shell_quote(identifier_from + '..')} " if identifier_from cmd << " #{shell_quote identifier_to} " if identifier_to cmd << " --since=#{shell_quote(options[:since].strftime("%Y-%m-%d %H:%M:%S"))}" if options[:since] cmd << " -- #{path}" if path && !path.empty? shellout(cmd) do |io| files=[] changeset = {} parsing_descr = 0 #0: not parsing desc or files, 1: parsing desc, 2: parsing files revno = 1 io.each_line do |line| if line =~ /^commit ([0-9a-f]{40})$/ key = "commit" value = $1 if (parsing_descr == 1 || parsing_descr == 2) parsing_descr = 0 revision = Revision.new({ :identifier => changeset[:commit], :scmid => changeset[:commit], :author => changeset[:author], :time => Time.parse(changeset[:date]), :message => changeset[:description], :paths => files }) if block_given? yield revision else revisions << revision end changeset = {} files = [] revno = revno + 1 end changeset[:commit] = $1 elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/ key = $1 value = $2 if key == "Author" changeset[:author] = value elsif key == "CommitDate" changeset[:date] = value end elsif (parsing_descr == 0) && line.chomp.to_s == "" parsing_descr = 1 changeset[:description] = "" elsif (parsing_descr == 1 || parsing_descr == 2) \ && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\s+(.+)$/ parsing_descr = 2 fileaction = $1 filepath = $2 files << {:action => fileaction, :path => filepath} elsif (parsing_descr == 1 || parsing_descr == 2) \ && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\s+(.+)$/ parsing_descr = 2 fileaction = $1 filepath = $3 files << {:action => fileaction, :path => filepath} elsif (parsing_descr == 1) && line.chomp.to_s == "" parsing_descr = 2 elsif (parsing_descr == 1) changeset[:description] << line[4..-1] end end if changeset[:commit] revision = Revision.new({ :identifier => changeset[:commit], :scmid => changeset[:commit], :author => changeset[:author], :time => Time.parse(changeset[:date]), :message => changeset[:description], :paths => files }) if block_given? yield revision else revisions << revision end end end return nil if $? && $?.exitstatus != 0 revisions end def diff(path, identifier_from, identifier_to=nil) path ||= '' if identifier_to cmd = "#{GIT_BIN} --git-dir #{target('')} diff #{shell_quote identifier_to} #{shell_quote identifier_from}" else cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote identifier_from}" end cmd << " -- #{shell_quote path}" unless path.empty? diff = [] shellout(cmd) do |io| io.each_line do |line| diff << line end end return nil if $? && $?.exitstatus != 0 diff end def annotate(path, identifier=nil) identifier = 'HEAD' if identifier.blank? cmd = "#{GIT_BIN} --git-dir #{target('')} blame -l #{shell_quote identifier} -- #{shell_quote path}" blame = Annotate.new content = nil shellout(cmd) { |io| io.binmode; content = io.read } return nil if $? && $?.exitstatus != 0 # git annotates binary files return nil if content.is_binary_data? content.split("\n").each do |line| next unless line =~ /([0-9a-f]{39,40})\s\((\w*)[^\)]*\)(.*)/ blame.add_line($3.rstrip, Revision.new(:identifier => $1, :author => $2.strip)) end blame end def cat(path, identifier=nil) if identifier.nil? identifier = 'HEAD' end cmd = "#{GIT_BIN} --git-dir #{target('')} show #{shell_quote(identifier + ':' + path)}" cat = nil shellout(cmd) do |io| io.binmode cat = io.read end return nil if $? && $?.exitstatus != 0 cat end end end end end