comparison .svn/pristine/a5/a5a2bdba2e1db7153d66f6307d6658c7a79bbbc2.svn-base @ 1298:4f746d8966dd redmine_2.3_integration

Merge from redmine-2.3 branch to create new branch redmine-2.3-integration

+# Redmine - project management software
+# Copyright (C) 2006-2013  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 = Redmine::Configuration['scm_git_command'] || "git"
+
+        class GitBranch < Branch 
+          attr_accessor :is_default
+        end
+
+        class << self
+          def client_command
+            @@bin    ||= GIT_BIN
+          end
+
+          def sq_bin
+            @@sq_bin ||= shell_quote_command
+          end
+
+          def client_version
+            @@client_version ||= (scm_command_version || [])
+          end
+
+          def client_available
+            !client_version.empty?
+          end
+
+          def scm_command_version
+            scm_version = scm_version_from_command_line.dup
+            if scm_version.respond_to?(:force_encoding)
+              scm_version.force_encoding('ASCII-8BIT')
+            end
+            if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)})
+              m[2].scan(%r{\d+}).collect(&:to_i)
+            end
+          end
+
+          def scm_version_from_command_line
+            shellout("#{sq_bin} --version --no-color") { |io| io.read }.to_s
+          end
+        end
+
+        def initialize(url, root_url=nil, login=nil, password=nil, path_encoding=nil)
+          super
+          @path_encoding = path_encoding.blank? ? 'UTF-8' : path_encoding
+        end
+
+        def path_encoding
+          @path_encoding
+        end
+
+        def info
+          begin
+            Info.new(:root_url => url, :lastrev => lastrev('',nil))
+          rescue
+            nil
+          end
+        end
+
+        def branches
+          return @branches if @branches
+          @branches = []
+          cmd_args = %w|branch --no-color --verbose --no-abbrev|
+          git_cmd(cmd_args) do |io|
+            io.each_line do |line|
+              branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')
+              bran = GitBranch.new(branch_rev[2])
+              bran.revision =  branch_rev[3]
+              bran.scmid    =  branch_rev[3]
+              bran.is_default = ( branch_rev[1] == '*' )
+              @branches << bran
+            end
+          end
+          @branches.sort!
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def tags
+          return @tags if @tags
+          cmd_args = %w|tag|
+          git_cmd(cmd_args) do |io|
+            @tags = io.readlines.sort!.map{|t| t.strip}
+          end
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def default_branch
+          bras = self.branches
+          return nil if bras.nil?
+          default_bras = bras.select{|x| x.is_default == true}
+          return default_bras.first.to_s if ! default_bras.empty?
+          master_bras = bras.select{|x| x.to_s == 'master'}
+          master_bras.empty? ? bras.first.to_s : 'master' 
+        end
+
+        def entry(path=nil, identifier=nil)
+          parts = path.to_s.split(%r{[\/\\]}).select {|n| !n.blank?}
+          search_path = parts[0..-2].join('/')
+          search_name = parts[-1]
+          if search_path.blank? && search_name.blank?
+            # Root entry
+            Entry.new(:path => '', :kind => 'dir')
+          else
+            # Search for the entry in the parent directory
+            es = entries(search_path, identifier,
+                         options = {:report_last_commit => false})
+            es ? es.detect {|e| e.name == search_name} : nil
+          end
+        end
+
+        def entries(path=nil, identifier=nil, options={})
+          path ||= ''
+          p = scm_iconv(@path_encoding, 'UTF-8', path)
+          entries = Entries.new
+          cmd_args = %w|ls-tree -l|
+          cmd_args << "HEAD:#{p}"          if identifier.nil?
+          cmd_args << "#{identifier}:#{p}" if identifier
+          git_cmd(cmd_args) 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-]+)\t(.+)$/
+                type = $1
+                sha  = $2
+                size = $3
+                name = $4
+                if name.respond_to?(:force_encoding)
+                  name.force_encoding(@path_encoding)
+                end
+                full_path = p.empty? ? name : "#{p}/#{name}"
+                n      = scm_iconv('UTF-8', @path_encoding, name)
+                full_p = scm_iconv('UTF-8', @path_encoding, full_path)
+                entries << Entry.new({:name => n,
+                 :path => full_p,
+                 :kind => (type == "tree") ? 'dir' : 'file',
+                 :size => (type == "tree") ? nil : size,
+                 :lastrev => options[:report_last_commit] ?
+                                 lastrev(full_path, identifier) : Revision.new
+                }) unless entries.detect{|entry| entry.name == name}
+              end
+            end
+          end
+          entries.sort_by_name
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def lastrev(path, rev)
+          return nil if path.nil?
+          cmd_args = %w|log --no-color --encoding=UTF-8 --date=iso --pretty=fuller --no-merges -n 1|
+          cmd_args << rev if rev
+          cmd_args << "--" << path unless path.empty?
+          lines = []
+          git_cmd(cmd_args) { |io| lines = io.readlines }
+          begin
+              id = lines[0].split[1]
+              author = lines[1].match('Author:\s+(.*)$')[1]
+              time = Time.parse(lines[4].match('CommitDate:\s+(.*)$')[1])
+
+              Revision.new({
+                :identifier => id,
+                :scmid      => id,
+                :author     => author,
+                :time       => time,
+                :message    => nil,
+                :paths      => nil
+                })
+          rescue NoMethodError => e
+              logger.error("The revision '#{path}' has a wrong format")
+              return nil
+          end
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def revisions(path, identifier_from, identifier_to, options={})
+          revs = Revisions.new
+          cmd_args = %w|log --no-color --encoding=UTF-8 --raw --date=iso --pretty=fuller --parents --stdin|
+          cmd_args << "--reverse" if options[:reverse]
+          cmd_args << "-n" << "#{options[:limit].to_i}" if options[:limit]
+          cmd_args << "--" << scm_iconv(@path_encoding, 'UTF-8', path) if path && !path.empty?
+          revisions = []
+          if identifier_from || identifier_to
+            revisions << ""
+            revisions[0] << "#{identifier_from}.." if identifier_from
+            revisions[0] << "#{identifier_to}" if identifier_to
+          else
+            unless options[:includes].blank?
+              revisions += options[:includes]
+            end
+            unless options[:excludes].blank?
+              revisions += options[:excludes].map{|r| "^#{r}"}
+            end
+          end
+
+          git_cmd(cmd_args, {:write_stdin => true}) do |io|
+            io.binmode
+            io.puts(revisions.join("\n"))
+            io.close_write
+            files=[]
+            changeset = {}
+            parsing_descr = 0  #0: not parsing desc or files, 1: parsing desc, 2: parsing files
+
+            io.each_line do |line|
+              if line =~ /^commit ([0-9a-f]{40})(( [0-9a-f]{40})*)$/
+                key = "commit"
+                value = $1
+                parents_str = $2
+                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,
+                    :parents    => changeset[:parents]
+                  })
+                  if block_given?
+                    yield revision
+                  else
+                    revs << revision
+                  end
+                  changeset = {}
+                  files = []
+                end
+                changeset[:commit] = $1
+                unless parents_str.nil? or parents_str == ""
+                  changeset[:parents] = parents_str.strip.split(' ')
+                end
+              elsif (parsing_descr == 0) && line =~ /^(\w+):\s*(.*)$/
+                key = $1
+                value = $2
+                if key == "Author"
+                  changeset[:author] = value
+                elsif key == "CommitDate"
+                  changeset[:date] = value
+                end
+              elsif (parsing_descr == 0) && line.chomp.to_s == ""
+                parsing_descr = 1
+                changeset[:description] = ""
+              elsif (parsing_descr == 1 || parsing_descr == 2) \
+                  && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\t(.+)$/
+                parsing_descr = 2
+                fileaction    = $1
+                filepath      = $2
+                p = scm_iconv('UTF-8', @path_encoding, filepath)
+                files << {:action => fileaction, :path => p}
+              elsif (parsing_descr == 1 || parsing_descr == 2) \
+                  && line =~ /^:\d+\s+\d+\s+[0-9a-f.]+\s+[0-9a-f.]+\s+(\w)\d+\s+(\S+)\t(.+)$/
+                parsing_descr = 2
+                fileaction    = $1
+                filepath      = $3
+                p = scm_iconv('UTF-8', @path_encoding, filepath)
+                files << {:action => fileaction, :path => p}
+              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,
+                :parents    => changeset[:parents]
+                 })
+              if block_given?
+                yield revision
+              else
+                revs << revision
+              end
+            end
+          end
+          revs
+        rescue ScmCommandAborted => e
+          err_msg = "git log error: #{e.message}"
+          logger.error(err_msg)
+          if block_given?
+            raise CommandFailed, err_msg
+          else
+            revs
+          end
+        end
+
+        def diff(path, identifier_from, identifier_to=nil)
+          path ||= ''
+          cmd_args = []
+          if identifier_to
+            cmd_args << "diff" << "--no-color" <<  identifier_to << identifier_from
+          else
+            cmd_args << "show" << "--no-color" << identifier_from
+          end
+          cmd_args << "--" <<  scm_iconv(@path_encoding, 'UTF-8', path) unless path.empty?
+          diff = []
+          git_cmd(cmd_args) do |io|
+            io.each_line do |line|
+              diff << line
+            end
+          end
+          diff
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def annotate(path, identifier=nil)
+          identifier = 'HEAD' if identifier.blank?
+          cmd_args = %w|blame|
+          cmd_args << "-p" << identifier << "--" <<  scm_iconv(@path_encoding, 'UTF-8', path)
+          blame = Annotate.new
+          content = nil
+          git_cmd(cmd_args) { |io| io.binmode; content = io.read }
+          # git annotates binary files
+          return nil if content.is_binary_data?
+          identifier = ''
+          # git shows commit author on the first occurrence only
+          authors_by_commit = {}
+          content.split("\n").each do |line|
+            if line =~ /^([0-9a-f]{39,40})\s.*/
+              identifier = $1
+            elsif line =~ /^author (.+)/
+              authors_by_commit[identifier] = $1.strip
+            elsif line =~ /^\t(.*)/
+              blame.add_line($1, Revision.new(
+                                    :identifier => identifier,
+                                    :revision   => identifier,
+                                    :scmid      => identifier,
+                                    :author     => authors_by_commit[identifier]
+                                    ))
+              identifier = ''
+              author = ''
+            end
+          end
+          blame
+        rescue ScmCommandAborted
+          nil
+        end
+
+        def cat(path, identifier=nil)
+          if identifier.nil?
+            identifier = 'HEAD'
+          end
+          cmd_args = %w|show --no-color|
+          cmd_args << "#{identifier}:#{scm_iconv(@path_encoding, 'UTF-8', path)}"
+          cat = nil
+          git_cmd(cmd_args) do |io|
+            io.binmode
+            cat = io.read
+          end
+          cat
+        rescue ScmCommandAborted
+          nil
+        end
+
+        class Revision < Redmine::Scm::Adapters::Revision
+          # Returns the readable identifier
+          def format_identifier
+            identifier[0,8]
+          end
+        end
+
+        def git_cmd(args, options = {}, &block)
+          repo_path = root_url || url
+          full_args = ['--git-dir', repo_path]
+          if self.class.client_version_above?([1, 7, 2])
+            full_args << '-c' << 'core.quotepath=false'
+            full_args << '-c' << 'log.decorate=no'
+          end
+          full_args += args
+          ret = shellout(
+                   self.class.sq_bin + ' ' + full_args.map { |e| shell_quote e.to_s }.join(' '),
+                   options,
+                   &block
+                   )
+          if $? && $?.exitstatus != 0
+            raise ScmCommandAborted, "git exited with non-zero status: #{$?.exitstatus}"
+          end
+          ret
+        end
+        private :git_cmd
+      end
+    end
+  end
+end